chore: rubocop

chore: fix api test conventions

chore: rubocop -A spec/

chore: more rubocop -A

fix failing test

rubocop fixes

removes helper methods that are in my opinion dead code

more rubocop fixes

rubocop -a --auto-gen-config

app/controllers/admin/bank_accounts_controller.rb

@@ -3,39 +3,39 @@ class Admin::BankAccountsController < Admin::BaseController
 
   def new
     @bank_account = BankAccount.new(params[:bank_account])
-    render :layout => false
+    render layout: false
+  end
+
+  def edit
+    @bank_account = BankAccount.find(params[:id])
+    render action: 'new', layout: false
   end
 
   def create
     @bank_account = BankAccount.new(params[:bank_account])
     if @bank_account.valid? && @bank_account.save
-      redirect_to update_bank_accounts_admin_finances_url, :status => 303
+      redirect_to update_bank_accounts_admin_finances_url, status: :see_other
     else
-      render :action => 'new', :layout => false
+      render action: 'new', layout: false
     end
   end
 
-  def edit
-    @bank_account = BankAccount.find(params[:id])
-    render :action => 'new', :layout => false
-  end
-
   def update
     @bank_account = BankAccount.find(params[:id])
 
     if @bank_account.update(params[:bank_account])
-      redirect_to update_bank_accounts_admin_finances_url, :status => 303
+      redirect_to update_bank_accounts_admin_finances_url, status: :see_other
     else
-      render :action => 'new', :layout => false
+      render action: 'new', layout: false
     end
   end
 
   def destroy
     @bank_account = BankAccount.find(params[:id])
     @bank_account.destroy
-    redirect_to update_bank_accounts_admin_finances_url, :status => 303
-  rescue => error
-    flash.now[:alert] = error.message
+    redirect_to update_bank_accounts_admin_finances_url, status: :see_other
+  rescue StandardError => e
+    flash.now[:alert] = e.message
     render template: 'shared/alert'
   end
 end

app/controllers/admin/bank_gateways_controller.rb

@@ -6,6 +6,11 @@ class Admin::BankGatewaysController < Admin::BaseController
     render layout: false
   end
 
+  def edit
+    @bank_gateway = BankGateway.find(params[:id])
+    render action: 'new', layout: false
+  end
+
   def create
     @bank_gateway = BankGateway.new(params[:bank_gateway])
     if @bank_gateway.valid? && @bank_gateway.save
@@ -15,11 +20,6 @@ class Admin::BankGatewaysController < Admin::BaseController
     end
   end
 
-  def edit
-    @bank_gateway = BankGateway.find(params[:id])
-    render action: 'new', layout: false
-  end
-
   def update
     @bank_gateway = BankGateway.find(params[:id])
 

app/controllers/admin/configs_controller.rb

@@ -1,5 +1,5 @@
 class Admin::ConfigsController < Admin::BaseController
-  before_action :get_tabs, only: [:show, :list]
+  before_action :get_tabs, only: %i[show list]
 
   def show
     @current_tab = @tabs.include?(params[:tab]) ? params[:tab] : @tabs.first
@@ -16,7 +16,7 @@ class Admin::ConfigsController < Admin::BaseController
   def update
     parse_recurring_selects! params[:config][:order_schedule]
     ActiveRecord::Base.transaction do
-      # TODO support nested configuration keys
+      # TODO: support nested configuration keys
       params[:config].each do |key, val|
         FoodsoftConfig[key] = convert_config_value val
       end
@@ -29,7 +29,7 @@ class Admin::ConfigsController < Admin::BaseController
 
   # Set configuration tab names as `@tabs`
   def get_tabs
-    @tabs = %w(foodcoop payment tasks messages layout language security others)
+    @tabs = %w[foodcoop payment tasks messages layout language security others]
     # allow engines to modify this list
     engines = Rails::Engine.subclasses.map(&:instance).select { |e| e.respond_to?(:configuration) }
     engines.each { |e| e.configuration(@tabs, self) }
@@ -38,16 +38,16 @@ class Admin::ConfigsController < Admin::BaseController
 
   # turn recurring rules into something palatable
   def parse_recurring_selects!(config)
-    if config
-      for k in [:pickup, :boxfill, :ends] do
-        if config[k]
-          # allow clearing it using dummy value '{}' ('' would break recurring_select)
-          if config[k][:recurr].present? && config[k][:recurr] != '{}'
-            config[k][:recurr] = ActiveSupport::JSON.decode(config[k][:recurr])
-            config[k][:recurr] = FoodsoftDateUtil.rule_from(config[k][:recurr]).to_ical if config[k][:recurr]
-          else
-            config[k] = nil
-          end
+    return unless config
+
+    for k in %i[pickup boxfill ends] do
+      if config[k]
+        # allow clearing it using dummy value '{}' ('' would break recurring_select)
+        if config[k][:recurr].present? && config[k][:recurr] != '{}'
+          config[k][:recurr] = ActiveSupport::JSON.decode(config[k][:recurr])
+          config[k][:recurr] = FoodsoftDateUtil.rule_from(config[k][:recurr]).to_ical if config[k][:recurr]
+        else
+          config[k] = nil
         end
       end
     end

app/controllers/admin/finances_controller.rb

@@ -10,21 +10,21 @@ class Admin::FinancesController < Admin::BaseController
 
   def update_bank_accounts
     @bank_accounts = BankAccount.order('name')
-    render :layout => false
+    render layout: false
   end
 
   def update_bank_gateways
     @bank_gateways = BankGateway.order('name')
-    render :layout => false
+    render layout: false
   end
 
   def update_transaction_types
     @financial_transaction_classes = FinancialTransactionClass.includes(:financial_transaction_types).order('name ASC')
-    render :layout => false
+    render layout: false
   end
 
   def update_supplier_categories
     @supplier_categories = SupplierCategory.order('name')
-    render :layout => false
+    render layout: false
   end
 end

app/controllers/admin/financial_transaction_classes_controller.rb

@@ -6,25 +6,25 @@ class Admin::FinancialTransactionClassesController < Admin::BaseController
     render layout: false
   end
 
-  def create
-    @financial_transaction_class = FinancialTransactionClass.new(params[:financial_transaction_class])
-    if @financial_transaction_class.save
-      redirect_to update_transaction_types_admin_finances_url, status: 303
-    else
-      render action: 'new', layout: false
-    end
-  end
-
   def edit
     @financial_transaction_class = FinancialTransactionClass.find(params[:id])
     render action: 'new', layout: false
   end
 
+  def create
+    @financial_transaction_class = FinancialTransactionClass.new(params[:financial_transaction_class])
+    if @financial_transaction_class.save
+      redirect_to update_transaction_types_admin_finances_url, status: :see_other
+    else
+      render action: 'new', layout: false
+    end
+  end
+
   def update
     @financial_transaction_class = FinancialTransactionClass.find(params[:id])
 
     if @financial_transaction_class.update(params[:financial_transaction_class])
-      redirect_to update_transaction_types_admin_finances_url, status: 303
+      redirect_to update_transaction_types_admin_finances_url, status: :see_other
     else
       render action: 'new', layout: false
     end
@@ -33,9 +33,9 @@ class Admin::FinancialTransactionClassesController < Admin::BaseController
   def destroy
     @financial_transaction_class = FinancialTransactionClass.find(params[:id])
     @financial_transaction_class.destroy!
-    redirect_to update_transaction_types_admin_finances_url, status: 303
-  rescue => error
-    flash.now[:alert] = error.message
+    redirect_to update_transaction_types_admin_finances_url, status: :see_other
+  rescue StandardError => e
+    flash.now[:alert] = e.message
     render template: 'shared/alert'
   end
 end

app/controllers/admin/financial_transaction_types_controller.rb

@@ -7,25 +7,25 @@ class Admin::FinancialTransactionTypesController < Admin::BaseController
     render layout: false
   end
 
-  def create
-    @financial_transaction_type = FinancialTransactionType.new(params[:financial_transaction_type])
-    if @financial_transaction_type.save
-      redirect_to update_transaction_types_admin_finances_url, status: 303
-    else
-      render action: 'new', layout: false
-    end
-  end
-
   def edit
     @financial_transaction_type = FinancialTransactionType.find(params[:id])
     render action: 'new', layout: false
   end
 
+  def create
+    @financial_transaction_type = FinancialTransactionType.new(params[:financial_transaction_type])
+    if @financial_transaction_type.save
+      redirect_to update_transaction_types_admin_finances_url, status: :see_other
+    else
+      render action: 'new', layout: false
+    end
+  end
+
   def update
     @financial_transaction_type = FinancialTransactionType.find(params[:id])
 
     if @financial_transaction_type.update(params[:financial_transaction_type])
-      redirect_to update_transaction_types_admin_finances_url, status: 303
+      redirect_to update_transaction_types_admin_finances_url, status: :see_other
     else
       render action: 'new', layout: false
     end
@@ -34,9 +34,9 @@ class Admin::FinancialTransactionTypesController < Admin::BaseController
   def destroy
     @financial_transaction_type = FinancialTransactionType.find(params[:id])
     @financial_transaction_type.destroy!
-    redirect_to update_transaction_types_admin_finances_url, status: 303
-  rescue => error
-    flash.now[:alert] = error.message
+    redirect_to update_transaction_types_admin_finances_url, status: :see_other
+  rescue StandardError => e
+    flash.now[:alert] = e.message
     render template: 'shared/alert'
   end
 end

app/controllers/admin/mail_delivery_status_controller.rb

@@ -3,28 +3,28 @@ class Admin::MailDeliveryStatusController < Admin::BaseController
 
   def index
     @maildeliverystatus = MailDeliveryStatus.order(created_at: :desc)
-    @maildeliverystatus = @maildeliverystatus.where(email: params[:email]) unless params[:email].blank?
+    @maildeliverystatus = @maildeliverystatus.where(email: params[:email]) if params[:email].present?
     @maildeliverystatus = @maildeliverystatus.page(params[:page]).per(@per_page)
   end
 
   def show
     @maildeliverystatus = MailDeliveryStatus.find(params[:id])
     filename = "maildeliverystatus_#{params[:id]}.#{MIME::Types[@maildeliverystatus.attachment_mime].first.preferred_extension}"
-    send_data(@maildeliverystatus.attachment_data, :filename => filename, :type => @maildeliverystatus.attachment_mime)
+    send_data(@maildeliverystatus.attachment_data, filename: filename, type: @maildeliverystatus.attachment_mime)
   end
 
   def destroy_all
     @maildeliverystatus = MailDeliveryStatus.delete_all
     redirect_to admin_mail_delivery_status_index_path, notice: t('.notice')
-  rescue => error
-    redirect_to admin_mail_delivery_status_index_path, alert: I18n.t('errors.general_msg', msg: error.message)
+  rescue StandardError => e
+    redirect_to admin_mail_delivery_status_index_path, alert: I18n.t('errors.general_msg', msg: e.message)
   end
 
   def destroy
     @maildeliverystatus = MailDeliveryStatus.find(params[:id])
     @maildeliverystatus.destroy
     redirect_to admin_mail_delivery_status_index_path, notice: t('.notice')
-  rescue => error
-    redirect_to admin_mail_delivery_status_index_path, alert: I18n.t('errors.general_msg', msg: error.message)
+  rescue StandardError => e
+    redirect_to admin_mail_delivery_status_index_path, alert: I18n.t('errors.general_msg', msg: e.message)
   end
 end

app/controllers/admin/ordergroups_controller.rb

@@ -2,16 +2,15 @@ class Admin::OrdergroupsController < Admin::BaseController
   inherit_resources
 
   def index
-    @ordergroups = Ordergroup.undeleted.sort_by_param(params["sort"])
+    @ordergroups = Ordergroup.undeleted.sort_by_param(params['sort'])
 
     if request.format.csv?
-      send_data OrdergroupsCsv.new(@ordergroups).to_csv, filename: 'ordergroups.csv', type: 'text/csv'
+      send_data OrdergroupsCsv.new(@ordergroups).to_csv, filename: 'ordergroups.csv',
+                                                         type: 'text/csv'
     end
 
     # if somebody uses the search field:
-    unless params[:query].blank?
-      @ordergroups = @ordergroups.where('name LIKE ?', "%#{params[:query]}%")
-    end
+    @ordergroups = @ordergroups.where('name LIKE ?', "%#{params[:query]}%") if params[:query].present?
 
     @ordergroups = @ordergroups.page(params[:page]).per(@per_page)
   end
@@ -19,8 +18,8 @@ class Admin::OrdergroupsController < Admin::BaseController
   def destroy
     @ordergroup = Ordergroup.find(params[:id])
     @ordergroup.mark_as_deleted
-    redirect_to admin_ordergroups_url, notice: t('admin.ordergroups.destroy.notice')
-  rescue => error
-    redirect_to admin_ordergroups_url, alert: t('admin.ordergroups.destroy.error')
+    redirect_to admin_ordergroups_url, notice: t('.notice')
+  rescue StandardError => e
+    redirect_to admin_ordergroups_url, alert: t('.error')
   end
 end

app/controllers/admin/supplier_categories_controller.rb

@@ -6,6 +6,11 @@ class Admin::SupplierCategoriesController < Admin::BaseController
     render layout: false
   end
 
+  def edit
+    @supplier_category = SupplierCategory.find(params[:id])
+    render action: 'new', layout: false
+  end
+
   def create
     @supplier_category = SupplierCategory.new(params[:supplier_category])
     if @supplier_category.valid? && @supplier_category.save
@@ -15,11 +20,6 @@ class Admin::SupplierCategoriesController < Admin::BaseController
     end
   end
 
-  def edit
-    @supplier_category = SupplierCategory.find(params[:id])
-    render action: 'new', layout: false
-  end
-
   def update
     @supplier_category = SupplierCategory.find(params[:id])
 

app/controllers/admin/users_controller.rb

@@ -3,16 +3,14 @@ class Admin::UsersController < Admin::BaseController
 
   def index
     @users = params[:show_deleted] ? User.deleted : User.undeleted
-    @users = @users.sort_by_param(params["sort"])
+    @users = @users.sort_by_param(params['sort'])
 
     @users = @users.includes(:mail_delivery_status)
 
-    if request.format.csv?
-      send_data UsersCsv.new(@users).to_csv, filename: 'users.csv', type: 'text/csv'
-    end
+    send_data UsersCsv.new(@users).to_csv, filename: 'users.csv', type: 'text/csv' if request.format.csv?
 
     # if somebody uses the search field:
-    @users = @users.natural_search(params[:user_name]) unless params[:user_name].blank?
+    @users = @users.natural_search(params[:user_name]) if params[:user_name].present?
 
     @users = @users.page(params[:page]).per(@per_page)
   end
@@ -20,17 +18,17 @@ class Admin::UsersController < Admin::BaseController
   def destroy
     @user = User.find(params[:id])
     @user.mark_as_deleted
-    redirect_to admin_users_url, notice: t('admin.users.destroy.notice')
-  rescue => error
-    redirect_to admin_users_url, alert: t('admin.users.destroy.error', error: error.message)
+    redirect_to admin_users_url, notice: t('.notice')
+  rescue StandardError => e
+    redirect_to admin_users_url, alert: t('.error', error: e.message)
   end
 
   def restore
     @user = User.find(params[:id])
     @user.restore
-    redirect_to admin_users_url, notice: t('admin.users.restore.notice')
-  rescue => error
-    redirect_to admin_users_url, alert: t('admin.users.restore.error', error: error.message)
+    redirect_to admin_users_url, notice: t('.notice')
+  rescue StandardError => e
+    redirect_to admin_users_url, alert: t('.error', error: e.message)
   end
 
   def sudo

app/controllers/admin/workgroups_controller.rb

@@ -4,7 +4,7 @@ class Admin::WorkgroupsController < Admin::BaseController
   def index
     @workgroups = Workgroup.order('name ASC')
     # if somebody uses the search field:
-    @workgroups = @workgroups.where('name LIKE ?', "%#{params[:query]}%") unless params[:query].blank?
+    @workgroups = @workgroups.where('name LIKE ?', "%#{params[:query]}%") if params[:query].present?
 
     @workgroups = @workgroups.page(params[:page]).per(@per_page)
   end
@@ -12,8 +12,8 @@ class Admin::WorkgroupsController < Admin::BaseController
   def destroy
     @workgroup = Workgroup.find(params[:id])
     @workgroup.destroy
-    redirect_to admin_workgroups_url, notice: t('admin.workgroups.destroy.notice')
-  rescue => error
-    redirect_to admin_workgroups_url, alert: t('admin.workgroups.destroy.error', error: error.message)
+    redirect_to admin_workgroups_url, notice: t('.notice')
+  rescue StandardError => e
+    redirect_to admin_workgroups_url, alert: t('.error', error: e.message)
   end
 end

app/controllers/api/v1/base_controller.rb

@@ -20,29 +20,30 @@ class Api::V1::BaseController < ApplicationController
 
   def require_ordergroup
     authenticate
-    unless current_ordergroup.present?
-      raise Api::Errors::PermissionRequired.new('Forbidden, must be in an ordergroup')
-    end
+    return if current_ordergroup.present?
+
+    raise Api::Errors::PermissionRequired, 'Forbidden, must be in an ordergroup'
   end
 
   def require_minimum_balance
     minimum_balance = FoodsoftConfig[:minimum_balance] or return
-    if current_ordergroup.account_balance < minimum_balance
-      raise Api::Errors::PermissionRequired.new(t('application.controller.error_minimum_balance', min: minimum_balance))
-    end
+    return unless current_ordergroup.account_balance < minimum_balance
+
+    raise Api::Errors::PermissionRequired, t('application.controller.error_minimum_balance', min: minimum_balance)
   end
 
   def require_enough_apples
-    if current_ordergroup.not_enough_apples?
-      s = t('group_orders.messages.not_enough_apples', apples: current_ordergroup.apples, stop_ordering_under: FoodsoftConfig[:stop_ordering_under])
-      raise Api::Errors::PermissionRequired.new(s)
-    end
+    return unless current_ordergroup.not_enough_apples?
+
+    s = t('group_orders.messages.not_enough_apples', apples: current_ordergroup.apples,
+                                                     stop_ordering_under: FoodsoftConfig[:stop_ordering_under])
+    raise Api::Errors::PermissionRequired, s
   end
 
   def require_config_enabled(config)
-    unless FoodsoftConfig[config]
-      raise Api::Errors::PermissionRequired.new(t('application.controller.error_not_enabled', config: config))
-    end
+    return if FoodsoftConfig[config]
+
+    raise Api::Errors::PermissionRequired, t('application.controller.error_not_enabled', config: config)
   end
 
   def skip_session
@@ -52,12 +53,12 @@ class Api::V1::BaseController < ApplicationController
   def not_found_handler(e)
     # remove where-clauses from error message (not suitable for end-users)
     msg = e.message.try { |m| m.sub(/\s*\[.*?\]\s*$/, '') } || 'Not found'
-    render status: 404, json: { error: 'not_found', error_description: msg }
+    render status: :not_found, json: { error: 'not_found', error_description: msg }
   end
 
   def not_acceptable_handler(e)
     msg = e.message || 'Data not acceptable'
-    render status: 422, json: { error: 'not_acceptable', error_description: msg }
+    render status: :unprocessable_entity, json: { error: 'not_acceptable', error_description: msg }
   end
 
   def doorkeeper_unauthorized_render_options(error:)
@@ -70,11 +71,11 @@ class Api::V1::BaseController < ApplicationController
 
   def permission_required_handler(e)
     msg = e.message || 'Forbidden, user has no access'
-    render status: 403, json: { error: 'forbidden', error_description: msg }
+    render status: :forbidden, json: { error: 'forbidden', error_description: msg }
   end
 
   # @todo something with ApplicationHelper#show_user
-  def show_user(user = current_user, **options)
+  def show_user(user = current_user, **_options)
     user.display
   end
 end

app/controllers/api/v1/user/financial_transactions_controller.rb

@@ -16,7 +16,8 @@ class Api::V1::User::FinancialTransactionsController < Api::V1::BaseController
 
   def create
     transaction_type = FinancialTransactionType.find(create_params[:financial_transaction_type_id])
-    ft = current_ordergroup.add_financial_transaction!(create_params[:amount], create_params[:note], current_user, transaction_type)
+    ft = current_ordergroup.add_financial_transaction!(create_params[:amount], create_params[:note], current_user,
+                                                       transaction_type)
     render json: ft
   end
 

app/controllers/api/v1/user/group_order_articles_controller.rb

@@ -4,8 +4,8 @@ class Api::V1::User::GroupOrderArticlesController < Api::V1::BaseController
   before_action -> { doorkeeper_authorize! 'group_orders:user' }
 
   before_action :require_ordergroup
-  before_action :require_minimum_balance, only: [:create, :update] # destroy is ok
-  before_action :require_enough_apples, only: [:create, :update] # destroy is ok
+  before_action :require_minimum_balance, only: %i[create update] # destroy is ok
+  before_action :require_enough_apples, only: %i[create update] # destroy is ok
   # @todo allow decreasing amounts when minimum balance isn't met
 
   def index
@@ -35,7 +35,8 @@ class Api::V1::User::GroupOrderArticlesController < Api::V1::BaseController
     goa = nil
     GroupOrderArticle.transaction do
       goa = scope_for_update.includes(:group_order_article_quantities).find(params.require(:id))
-      goa.update_quantities((update_params[:quantity] || goa.quantity).to_i, (update_params[:tolerance] || goa.tolerance).to_i)
+      goa.update_quantities((update_params[:quantity] || goa.quantity).to_i,
+                            (update_params[:tolerance] || goa.tolerance).to_i)
       goa.order_article.update_results!
       goa.group_order.update_price!
       goa.group_order.update!(updated_by: current_user)

app/controllers/api/v1/user/ordergroup_controller.rb

@@ -8,13 +8,13 @@ class Api::V1::User::OrdergroupController < Api::V1::BaseController
       financial_overview: {
         account_balance: ordergroup.account_balance.to_f,
         available_funds: ordergroup.get_available_funds.to_f,
-        financial_transaction_class_sums: FinancialTransactionClass.sorted.map { |c|
+        financial_transaction_class_sums: FinancialTransactionClass.sorted.map do |c|
           {
             id: c.id,
             name: c.display,
             amount: ordergroup["sum_of_class_#{c.id}"].to_f
           }
-        }
+        end
       }
     }
   end

app/controllers/application_controller.rb

@@ -19,10 +19,10 @@ class ApplicationController < ActionController::Base
   private
 
   def set_user_last_activity
-    if current_user && (session[:last_activity] == nil || session[:last_activity] < 1.minutes.ago)
-      current_user.update_attribute(:last_activity, Time.now)
-      session[:last_activity] = Time.now
-    end
+    return unless current_user && (session[:last_activity].nil? || session[:last_activity] < 1.minute.ago)
+
+    current_user.update_attribute(:last_activity, Time.now)
+    session[:last_activity] = Time.now
   end
 
   # Many plugins can be turned on and off on the fly with a `use_` configuration option.
@@ -64,11 +64,11 @@ class ApplicationController < ActionController::Base
   end
 
   def items_per_page
-    if params[:per_page] && params[:per_page].to_i > 0 && params[:per_page].to_i <= 500
-      @per_page = params[:per_page].to_i
-    else
-      @per_page = 20
-    end
+    @per_page = if params[:per_page] && params[:per_page].to_i > 0 && params[:per_page].to_i <= 500
+                  params[:per_page].to_i
+                else
+                  20
+                end
   end
 
   # Set timezone according to foodcoop preference.

app/controllers/article_categories_controller.rb

@@ -4,17 +4,17 @@ class ArticleCategoriesController < ApplicationController
   before_action :authenticate_article_meta
 
   def create
-    create!(:notice => I18n.t('article_categories.create.notice')) { article_categories_path }
+    create!(notice: I18n.t('article_categories.create.notice')) { article_categories_path }
   end
 
   def update
-    update!(:notice => I18n.t('article_categories.update.notice')) { article_categories_path }
+    update!(notice: I18n.t('article_categories.update.notice')) { article_categories_path }
   end
 
   def destroy
     destroy!
-  rescue => error
-    redirect_to article_categories_path, alert: I18n.t('article_categories.destroy.error', message: error.message)
+  rescue StandardError => e
+    redirect_to article_categories_path, alert: I18n.t('article_categories.destroy.error', message: e.message)
   end
 
   protected

app/controllers/articles_controller.rb

@@ -2,24 +2,24 @@ class ArticlesController < ApplicationController
   before_action :authenticate_article_meta, :find_supplier
 
   def index
-    if params['sort']
-      sort = case params['sort']
-             when "name" then "articles.name"
-             when "unit" then "articles.unit"
-             when "article_category" then "article_categories.name"
-             when "note" then "articles.note"
-             when "availability" then "articles.availability"
-             when "name_reverse" then "articles.name DESC"
-             when "unit_reverse" then "articles.unit DESC"
-             when "article_category_reverse" then "article_categories.name DESC"
-             when "note_reverse" then "articles.note DESC"
-             when "availability_reverse" then "articles.availability DESC"
+    sort = if params['sort']
+             case params['sort']
+             when 'name' then 'articles.name'
+             when 'unit' then 'articles.unit'
+             when 'article_category' then 'article_categories.name'
+             when 'note' then 'articles.note'
+             when 'availability' then 'articles.availability'
+             when 'name_reverse' then 'articles.name DESC'
+             when 'unit_reverse' then 'articles.unit DESC'
+             when 'article_category_reverse' then 'article_categories.name DESC'
+             when 'note_reverse' then 'articles.note DESC'
+             when 'availability_reverse' then 'articles.availability DESC'
              end
-    else
-      sort = "article_categories.name, articles.name"
-    end
+           else
+             'article_categories.name, articles.name'
+           end
 
-    @articles = Article.undeleted.where(supplier_id: @supplier, :type => nil).includes(:article_category).order(sort)
+    @articles = Article.undeleted.where(supplier_id: @supplier, type: nil).includes(:article_category).order(sort)
 
     if request.format.csv?
       send_data ArticlesCsv.new(@articles, encoding: 'utf-8').to_csv, filename: 'articles.csv', type: 'text/csv'
@@ -32,42 +32,42 @@ class ArticlesController < ApplicationController
 
     respond_to do |format|
       format.html
-      format.js { render :layout => false }
+      format.js { render layout: false }
     end
   end
 
   def new
-    @article = @supplier.articles.build(:tax => FoodsoftConfig[:tax_default])
-    render :layout => false
+    @article = @supplier.articles.build(tax: FoodsoftConfig[:tax_default])
+    render layout: false
   end
 
   def copy
     @article = @supplier.articles.find(params[:article_id]).dup
-    render :layout => false
+    render layout: false
+  end
+
+  def edit
+    @article = Article.find(params[:id])
+    render action: 'new', layout: false
   end
 
   def create
     @article = Article.new(params[:article])
     if @article.valid? && @article.save
-      render :layout => false
+      render layout: false
     else
-      render :action => 'new', :layout => false
+      render action: 'new', layout: false
     end
   end
 
-  def edit
-    @article = Article.find(params[:id])
-    render :action => 'new', :layout => false
-  end
-
   # Updates one Article and highlights the line if succeded
   def update
     @article = Article.find(params[:id])
 
     if @article.update(params[:article])
-      render :layout => false
+      render layout: false
     else
-      render :action => 'new', :layout => false
+      render action: 'new', layout: false
     end
   end
 
@@ -75,7 +75,7 @@ class ArticlesController < ApplicationController
   def destroy
     @article = Article.find(params[:id])
     @article.mark_as_deleted unless @order = @article.in_open_order # If article is in an active Order, the Order will be returned
-    render :layout => false
+    render layout: false
   end
 
   # Renders a form for editing all articles from a supplier
@@ -87,19 +87,17 @@ class ArticlesController < ApplicationController
   def update_all
     invalid_articles = false
 
-    begin
-      Article.transaction do
-        unless params[:articles].blank?
-          # Update other article attributes...
-          @articles = Article.find(params[:articles].keys)
-          @articles.each do |article|
-            unless article.update(params[:articles][article.id.to_s])
-              invalid_articles = true unless invalid_articles # Remember that there are validation errors
-            end
+    Article.transaction do
+      if params[:articles].present?
+        # Update other article attributes...
+        @articles = Article.find(params[:articles].keys)
+        @articles.each do |article|
+          unless article.update(params[:articles][article.id.to_s])
+            invalid_articles ||= true # Remember that there are validation errors
           end
-
-          raise ActiveRecord::Rollback if invalid_articles # Rollback all changes
         end
+
+        raise ActiveRecord::Rollback if invalid_articles # Rollback all changes
       end
     end
 
@@ -134,16 +132,15 @@ class ArticlesController < ApplicationController
       end
     end
     # action succeded
-    redirect_to supplier_articles_url(@supplier, :per_page => params[:per_page])
-  rescue => error
-    redirect_to supplier_articles_url(@supplier, :per_page => params[:per_page]),
-                :alert => I18n.t('errors.general_msg', :msg => error)
+    redirect_to supplier_articles_url(@supplier, per_page: params[:per_page])
+  rescue StandardError => e
+    redirect_to supplier_articles_url(@supplier, per_page: params[:per_page]),
+                alert: I18n.t('errors.general_msg', msg: e)
   end
 
   # lets start with parsing articles from uploaded file, yeah
   # Renders the upload form
-  def upload
-  end
+  def upload; end
 
   # Update articles from a spreadsheet
   def parse_upload
@@ -151,13 +148,15 @@ class ArticlesController < ApplicationController
     options = { filename: uploaded_file.original_filename }
     options[:outlist_absent] = (params[:articles]['outlist_absent'] == '1')
     options[:convert_units] = (params[:articles]['convert_units'] == '1')
-    @updated_article_pairs, @outlisted_articles, @new_articles = @supplier.sync_from_file uploaded_file.tempfile, options
+    @updated_article_pairs, @outlisted_articles, @new_articles = @supplier.sync_from_file uploaded_file.tempfile,
+                                                                                          options
     if @updated_article_pairs.empty? && @outlisted_articles.empty? && @new_articles.empty?
-      redirect_to supplier_articles_path(@supplier), :notice => I18n.t('articles.controller.parse_upload.notice')
+      redirect_to supplier_articles_path(@supplier),
+                  notice: I18n.t('articles.controller.parse_upload.notice')
     end
     @ignored_article_count = 0
-  rescue => error
-    redirect_to upload_supplier_articles_path(@supplier), :alert => I18n.t('errors.general_msg', :msg => error.message)
+  rescue StandardError => e
+    redirect_to upload_supplier_articles_path(@supplier), alert: I18n.t('errors.general_msg', msg: e.message)
   end
 
   # sync all articles with the external database
@@ -165,13 +164,14 @@ class ArticlesController < ApplicationController
   def sync
     # check if there is an shared_supplier
     unless @supplier.shared_supplier
-      redirect_to supplier_articles_url(@supplier), :alert => I18n.t('articles.controller.sync.shared_alert', :supplier => @supplier.name)
+      redirect_to supplier_articles_url(@supplier),
+                  alert: I18n.t('articles.controller.sync.shared_alert', supplier: @supplier.name)
     end
     # sync articles against external database
     @updated_article_pairs, @outlisted_articles, @new_articles = @supplier.sync_all
-    if @updated_article_pairs.empty? && @outlisted_articles.empty? && @new_articles.empty?
-      redirect_to supplier_articles_path(@supplier), :notice => I18n.t('articles.controller.sync.notice')
-    end
+    return unless @updated_article_pairs.empty? && @outlisted_articles.empty? && @new_articles.empty?
+
+    redirect_to supplier_articles_path(@supplier), notice: I18n.t('articles.controller.sync.notice')
   end
 
   # Updates, deletes articles when upload or sync form is submitted
@@ -186,7 +186,7 @@ class ArticlesController < ApplicationController
       # delete articles
       begin
         @outlisted_articles.each(&:mark_as_deleted)
-      rescue
+      rescue StandardError
         # raises an exception when used in current order
         has_error = true
       end
@@ -198,15 +198,15 @@ class ArticlesController < ApplicationController
       raise ActiveRecord::Rollback if has_error
     end
 
-    if !has_error
-      redirect_to supplier_articles_path(@supplier), notice: I18n.t('articles.controller.update_sync.notice')
-    else
+    if has_error
       @updated_article_pairs = @updated_articles.map do |article|
         orig_article = Article.find(article.id)
         [article, orig_article.unequal_attributes(article)]
       end
       flash.now.alert = I18n.t('articles.controller.error_invalid')
       render params[:from_action] == 'sync' ? :sync : :parse_upload
+    else
+      redirect_to supplier_articles_path(@supplier), notice: I18n.t('articles.controller.update_sync.notice')
     end
   end
 
@@ -218,18 +218,18 @@ class ArticlesController < ApplicationController
     q[:name_cont_all] = params.fetch(:name_cont_all_joined, '').split(' ')
     search = @supplier.shared_supplier.shared_articles.ransack(q)
     @articles = search.result.page(params[:page]).per(10)
-    render :layout => false
+    render layout: false
   end
 
   # fills a form whith values of the selected shared_article
   # when the direct parameter is set and the article is valid, it is imported directly
   def import
     @article = SharedArticle.find(params[:shared_article_id]).build_new_article(@supplier)
-    @article.article_category_id = params[:article_category_id] unless params[:article_category_id].blank?
-    if params[:direct] && !params[:article_category_id].blank? && @article.valid? && @article.save
-      render :action => 'create', :layout => false
+    @article.article_category_id = params[:article_category_id] if params[:article_category_id].present?
+    if params[:direct] && params[:article_category_id].present? && @article.valid? && @article.save
+      render action: 'create', layout: false
     else
-      render :action => 'new', :layout => false
+      render action: 'new', layout: false
     end
   end
 

app/controllers/concerns/auth.rb

@@ -9,15 +9,19 @@ module Concerns::Auth
 
   def current_user
     # check if there is a valid session and return the logged-in user (its object)
-    if session[:user_id] && params[:foodcoop]
-      # for shared-host installations. check if the cookie-subdomain fits to request.
-      @current_user ||= User.undeleted.find_by_id(session[:user_id]) if session[:scope] == FoodsoftConfig.scope
-    end
+    return unless session[:user_id] && params[:foodcoop]
+
+    # for shared-host installations. check if the cookie-subdomain fits to request.
+    @current_user ||= User.undeleted.find_by_id(session[:user_id]) if session[:scope] == FoodsoftConfig.scope
   end
 
   def deny_access
     session[:return_to] = request.original_url
-    redirect_to root_url, alert: I18n.t('application.controller.error_denied', sign_in: ActionController::Base.helpers.link_to(t('application.controller.error_denied_sign_in'), login_path))
+    redirect_to root_url,
+                alert: I18n.t('application.controller.error_denied',
+                              sign_in: ActionController::Base.helpers.link_to(
+                                t('application.controller.error_denied_sign_in'), login_path
+                              ))
   end
 
   private
@@ -47,12 +51,7 @@ module Concerns::Auth
 
   def authenticate(role = 'any')
     # Attempt to retrieve authenticated user from controller instance or session...
-    if !current_user
-      # No user at all: redirect to login page.
-      logout
-      session[:return_to] = request.original_url
-      redirect_to_login :alert => I18n.t('application.controller.error_authn')
-    else
+    if current_user
       # We have an authenticated user, now check role...
       # Roles gets the user through his memberships.
       hasRole = case role
@@ -73,6 +72,11 @@ module Concerns::Auth
       else
         deny_access
       end
+    else
+      # No user at all: redirect to login page.
+      logout
+      session[:return_to] = request.original_url
+      redirect_to_login alert: I18n.t('application.controller.error_authn')
     end
   end
 
@@ -116,13 +120,13 @@ module Concerns::Auth
   # if fails the user will redirected to startpage
   def authenticate_membership_or_admin(group_id = params[:id])
     @group = Group.find(group_id)
-    unless @group.member?(@current_user) || @current_user.role_admin?
-      redirect_to root_path, alert: I18n.t('application.controller.error_members_only')
-    end
+    return if @group.member?(@current_user) || @current_user.role_admin?
+
+    redirect_to root_path, alert: I18n.t('application.controller.error_members_only')
   end
 
   def authenticate_or_token(prefix, role = 'any')
-    if not params[:token].blank?
+    if params[:token].present?
       begin
         TokenVerifier.new(prefix).verify(params[:token])
       rescue ActiveSupport::MessageVerifier::InvalidSignature

app/controllers/concerns/auth_api.rb

@@ -36,9 +36,9 @@ module Concerns::AuthApi
   # Make sure that at least one the given OAuth scopes is valid for the current user's permissions.
   # @raise Api::Errors::PermissionsRequired
   def doorkeeper_authorize_roles!(*scopes)
-    unless scopes.any? { |scope| doorkeeper_scope_permitted?(scope) }
-      raise Api::Errors::PermissionRequired.new('Forbidden, no permission')
-    end
+    return if scopes.any? { |scope| doorkeeper_scope_permitted?(scope) }
+
+    raise Api::Errors::PermissionRequired, 'Forbidden, no permission'
   end
 
   # Check whether a given OAuth scope is permitted for the current user.
@@ -48,9 +48,7 @@ module Concerns::AuthApi
   def doorkeeper_scope_permitted?(scope)
     scope_parts = scope.split(':')
     # user sub-scopes like +config:user+ are always permitted
-    if scope_parts.last == 'user'
-      return true
-    end
+    return true if scope_parts.last == 'user'
 
     case scope_parts.first
     when 'user'           then return true # access to the current user's own profile
@@ -64,8 +62,8 @@ module Concerns::AuthApi
     end
 
     case scope
-    when 'orders:read'    then return true
-    when 'orders:write'   then return current_user.role_orders?
+    when 'orders:read'    then true
+    when 'orders:write'   then current_user.role_orders?
     end
   end
 end

app/controllers/concerns/foodcoop_scope.rb

@@ -24,12 +24,12 @@ module Concerns::FoodcoopScope
     elsif FoodsoftConfig.allowed_foodcoop? foodcoop
       FoodsoftConfig.select_foodcoop foodcoop
     else
-      raise ActionController::RoutingError.new 'Foodcoop Not Found'
+      raise ActionController::RoutingError, 'Foodcoop Not Found'
     end
   end
 
   # Always stay in foodcoop url scope
-  def default_url_options(options = {})
+  def default_url_options(_options = {})
     super().merge({ foodcoop: FoodsoftConfig.scope })
   end
 end

app/controllers/concerns/locale.rb

@@ -18,7 +18,7 @@ module Concerns::Locale
   end
 
   def browser_language
-    request.env['HTTP_ACCEPT_LANGUAGE'] ? request.env['HTTP_ACCEPT_LANGUAGE'].scan(/^[a-z]{2}/).first : nil
+    request.env['HTTP_ACCEPT_LANGUAGE']&.scan(/^[a-z]{2}/)&.first
   end
 
   def default_language
@@ -30,7 +30,7 @@ module Concerns::Locale
   def select_language_according_to_priority
     language = explicitly_requested_language || session_language || user_settings_language
     language ||= browser_language unless FoodsoftConfig[:ignore_browser_locale]
-    language.presence&.to_sym unless language.blank?
+    language.presence&.to_sym if language.present?
   end
 
   def available_locales
@@ -38,11 +38,11 @@ module Concerns::Locale
   end
 
   def set_locale
-    if available_locales.include?(select_language_according_to_priority)
-      ::I18n.locale = select_language_according_to_priority
-    else
-      ::I18n.locale = default_language
-    end
+    ::I18n.locale = if available_locales.include?(select_language_according_to_priority)
+                      select_language_according_to_priority
+                    else
+                      default_language
+                    end
 
     locale = session[:locale] = ::I18n.locale
     logger.info("Set locale to #{locale}")

app/controllers/concerns/send_order_pdf.rb

@@ -3,7 +3,7 @@ module Concerns::SendOrderPdf
 
   protected
 
-  def send_order_pdf order, document
+  def send_order_pdf(order, document)
     klass = case document
             when 'groups'   then OrderByGroups
             when 'articles' then OrderByArticles

app/controllers/deliveries_controller.rb

@@ -1,5 +1,5 @@
 class DeliveriesController < ApplicationController
-  before_action :find_supplier, :exclude => :fill_new_stock_article_form
+  before_action :find_supplier, exclude: :fill_new_stock_article_form
 
   def index
     @deliveries = @supplier.deliveries.order('date DESC')
@@ -15,6 +15,10 @@ class DeliveriesController < ApplicationController
     @delivery.date = Date.today # TODO: move to model/database
   end
 
+  def edit
+    @delivery = Delivery.find(params[:id])
+  end
+
   def create
     @delivery = Delivery.new(params[:delivery])
 
@@ -22,14 +26,10 @@ class DeliveriesController < ApplicationController
       flash[:notice] = I18n.t('deliveries.create.notice')
       redirect_to [@supplier, @delivery]
     else
-      render :action => "new"
+      render action: 'new'
     end
   end
 
-  def edit
-    @delivery = Delivery.find(params[:id])
-  end
-
   def update
     @delivery = Delivery.find(params[:id])
 
@@ -37,7 +37,7 @@ class DeliveriesController < ApplicationController
       flash[:notice] = I18n.t('deliveries.update.notice')
       redirect_to [@supplier, @delivery]
     else
-      render :action => "edit"
+      render action: 'edit'
     end
   end
 
@@ -52,18 +52,18 @@ class DeliveriesController < ApplicationController
   def add_stock_change
     @stock_change = StockChange.new
     @stock_change.stock_article = StockArticle.find(params[:stock_article_id])
-    render :layout => false
+    render layout: false
   end
 
   def form_on_stock_article_create # See publish/subscribe design pattern in /doc.
     @stock_article = StockArticle.find(params[:id])
 
-    render :layout => false
+    render layout: false
   end
 
   def form_on_stock_article_update # See publish/subscribe design pattern in /doc.
     @stock_article = StockArticle.find(params[:id])
 
-    render :layout => false
+    render layout: false
   end
 end

app/controllers/feedback_controller.rb

@@ -1,13 +1,12 @@
 class FeedbackController < ApplicationController
-  def new
-  end
+  def new; end
 
   def create
     if params[:message].present?
       Mailer.feedback(current_user, params[:message]).deliver_now
-      redirect_to root_url, notice: t('feedback.create.notice')
+      redirect_to root_url, notice: t('.notice')
     else
-      render :action => 'new'
+      render action: 'new'
     end
   end
 end

app/controllers/finance/balancing_controller.rb

@@ -5,7 +5,7 @@ class Finance::BalancingController < Finance::BaseController
 
   def new
     @order = Order.find(params[:order_id])
-    flash.now.alert = t('finance.balancing.new.alert') if @order.closed?
+    flash.now.alert = t('.alert') if @order.closed?
     @comments = @order.comments
 
     @articles = @order.order_articles.ordered_or_member.includes(:article, :article_price,
@@ -13,13 +13,13 @@ class Finance::BalancingController < Finance::BaseController
 
     sort_param = params['sort'] || 'name'
     @articles = case sort_param
-                when 'name' then
+                when 'name'
                   @articles.order('articles.name ASC')
-                when 'name_reverse' then
+                when 'name_reverse'
                   @articles.order('articles.name DESC')
-                when 'order_number' then
+                when 'order_number'
                   @articles.order('articles.order_number ASC')
-                when 'order_number_reverse' then
+                when 'order_number_reverse'
                   @articles.order('articles.order_number DESC')
                 else
                   @articles
@@ -31,13 +31,13 @@ class Finance::BalancingController < Finance::BaseController
   def new_on_order_article_create # See publish/subscribe design pattern in /doc.
     @order_article = OrderArticle.find(params[:order_article_id])
 
-    render :layout => false
+    render layout: false
   end
 
   def new_on_order_article_update # See publish/subscribe design pattern in /doc.
     @order_article = OrderArticle.find(params[:order_article_id])
 
-    render :layout => false
+    render layout: false
   end
 
   def update_summary
@@ -46,29 +46,29 @@ class Finance::BalancingController < Finance::BaseController
 
   def edit_note
     @order = Order.find(params[:id])
-    render :layout => false
+    render layout: false
   end
 
   def update_note
     @order = Order.find(params[:id])
     if @order.update(params[:order])
-      render :layout => false
+      render layout: false
     else
-      render :action => :edit_note, :layout => false
+      render action: :edit_note, layout: false
     end
   end
 
   def edit_transport
     @order = Order.find(params[:id])
-    render :layout => false
+    render layout: false
   end
 
   def update_transport
     @order = Order.find(params[:id])
     @order.update!(params[:order])
     redirect_to new_finance_order_path(order_id: @order.id)
-  rescue => error
-    redirect_to new_finance_order_path(order_id: @order.id), alert: t('errors.general_msg', msg: error.message)
+  rescue StandardError => e
+    redirect_to new_finance_order_path(order_id: @order.id), alert: t('errors.general_msg', msg: e.message)
   end
 
   # before the order will booked, a view lists all Ordergroups and its order_prices
@@ -81,18 +81,18 @@ class Finance::BalancingController < Finance::BaseController
     @order = Order.find(params[:id])
     @type = FinancialTransactionType.find_by_id(params.permit(:type)[:type])
     @order.close!(@current_user, @type)
-    redirect_to finance_order_index_url, notice: t('finance.balancing.close.notice')
-  rescue => error
-    redirect_to new_finance_order_url(order_id: @order.id), alert: t('finance.balancing.close.alert', message: error.message)
+    redirect_to finance_order_index_url, notice: t('.notice')
+  rescue StandardError => e
+    redirect_to new_finance_order_url(order_id: @order.id), alert: t('.alert', message: e.message)
   end
 
   # Close the order directly, without automaticly updating ordergroups account balances
   def close_direct
     @order = Order.find(params[:id])
     @order.close_direct!(@current_user)
-    redirect_to finance_order_index_url, notice: t('finance.balancing.close_direct.notice')
-  rescue => error
-    redirect_to finance_order_index_url, alert: t('finance.balancing.close_direct.alert', message: error.message)
+    redirect_to finance_order_index_url, notice: t('.notice')
+  rescue StandardError => e
+    redirect_to finance_order_index_url, alert: t('.alert', message: e.message)
   end
 
   def close_all_direct_with_invoice
@@ -103,8 +103,8 @@ class Finance::BalancingController < Finance::BaseController
         count += 1
       end
     end
-    redirect_to finance_order_index_url, notice: t('finance.balancing.close_all_direct_with_invoice.notice', count: count)
-  rescue => error
-    redirect_to finance_order_index_url, alert: t('errors.general_msg', msg: error.message)
+    redirect_to finance_order_index_url, notice: t('.notice', count: count)
+  rescue StandardError => e
+    redirect_to finance_order_index_url, alert: t('errors.general_msg', msg: e.message)
   end
 end

app/controllers/finance/bank_accounts_controller.rb

@@ -8,8 +8,8 @@ class Finance::BankAccountsController < Finance::BaseController
     @bank_account = BankAccount.find(params[:id])
     count = @bank_account.assign_unlinked_transactions
     redirect_to finance_bank_account_transactions_url(@bank_account), notice: t('.notice', count: count)
-  rescue => error
-    redirect_to finance_bank_account_transactions_url(@bank_account), alert: t('errors.general_msg', msg: error.message)
+  rescue StandardError => e
+    redirect_to finance_bank_account_transactions_url(@bank_account), alert: t('errors.general_msg', msg: e.message)
   end
 
   def import
@@ -33,8 +33,8 @@ class Finance::BankAccountsController < Finance::BaseController
     end
 
     needs_redirect = ok
-  rescue => error
-    flash.alert = t('errors.general_msg', msg: error.message)
+  rescue StandardError => e
+    flash.alert = t('errors.general_msg', msg: e.message)
     needs_redirect = true
   ensure
     return unless needs_redirect

app/controllers/finance/bank_transactions_controller.rb

@@ -3,26 +3,30 @@ class Finance::BankTransactionsController < ApplicationController
   inherit_resources
 
   def index
-    if params["sort"]
-      sort = case params["sort"]
-             when "date" then "date"
-             when "amount" then "amount"
-             when "financial_link" then "financial_link_id"
-             when "date_reverse" then "date DESC"
-             when "amount_reverse" then "amount DESC"
-             when "financial_link_reverse" then "financial_link_id DESC"
+    sort = if params['sort']
+             case params['sort']
+             when 'date' then 'date'
+             when 'amount' then 'amount'
+             when 'financial_link' then 'financial_link_id'
+             when 'date_reverse' then 'date DESC'
+             when 'amount_reverse' then 'amount DESC'
+             when 'financial_link_reverse' then 'financial_link_id DESC'
              end
-    else
-      sort = "date DESC"
-    end
+           else
+             'date DESC'
+           end
 
     @bank_account = BankAccount.find(params[:bank_account_id])
     @bank_transactions_all = @bank_account.bank_transactions.order(sort).includes(:financial_link)
-    @bank_transactions_all = @bank_transactions_all.where('reference LIKE ? OR text LIKE ?', "%#{params[:query]}%", "%#{params[:query]}%") unless params[:query].nil?
+    unless params[:query].nil?
+      @bank_transactions_all = @bank_transactions_all.where('reference LIKE ? OR text LIKE ?', "%#{params[:query]}%",
+                                                            "%#{params[:query]}%")
+    end
     @bank_transactions = @bank_transactions_all.page(params[:page]).per(@per_page)
 
     respond_to do |format|
-      format.js; format.html { render }
+      format.js
+      format.html { render }
       format.csv do
         send_data BankTransactionsCsv.new(@bank_transactions_all).to_csv, filename: 'transactions.csv', type: 'text/csv'
       end

app/controllers/finance/financial_links_controller.rb

@@ -1,5 +1,5 @@
 class Finance::FinancialLinksController < Finance::BaseController
-  before_action :find_financial_link, except: [:create, :incomplete]
+  before_action :find_financial_link, except: %i[create incomplete]
 
   def show
     @items = @financial_link.bank_transactions.map do |bt|
@@ -37,7 +37,7 @@ class Finance::FinancialLinksController < Finance::BaseController
 
   def create
     @financial_link = FinancialLink.first_unused_or_create
-    if params[:bank_transaction] then
+    if params[:bank_transaction]
       bank_transaction = BankTransaction.find(params[:bank_transaction])
       bank_transaction.update_attribute :financial_link, @financial_link
     end
@@ -72,14 +72,16 @@ class Finance::FinancialLinksController < Finance::BaseController
 
   def create_financial_transaction
     financial_transaction = FinancialTransaction.new(financial_transaction_params)
-    financial_transaction.ordergroup.add_financial_transaction! financial_transaction.amount, financial_transaction.note, current_user, financial_transaction.financial_transaction_type, @financial_link
+    financial_transaction.ordergroup.add_financial_transaction! financial_transaction.amount,
+                                                                financial_transaction.note, current_user, financial_transaction.financial_transaction_type, @financial_link
     redirect_to finance_link_url(@financial_link), notice: t('.notice')
-  rescue => error
-    redirect_to finance_link_url(@financial_link), alert: t('errors.general_msg', msg: error)
+  rescue StandardError => e
+    redirect_to finance_link_url(@financial_link), alert: t('errors.general_msg', msg: e)
   end
 
   def index_financial_transaction
-    @financial_transactions = FinancialTransaction.without_financial_link.includes(:financial_transaction_type, :ordergroup)
+    @financial_transactions = FinancialTransaction.without_financial_link.includes(:financial_transaction_type,
+                                                                                   :ordergroup)
   end
 
   def add_financial_transaction
@@ -123,7 +125,7 @@ class Finance::FinancialLinksController < Finance::BaseController
   end
 
   def find_best_fitting_ordergroup_id_for_financial_link(financial_link_id)
-    FinancialTransaction.joins(<<-SQL).order(created_on: :desc).pluck(:ordergroup_id).first
+    FinancialTransaction.joins(<<-SQL).order(created_on: :desc).pick(:ordergroup_id)
       JOIN bank_transactions a ON financial_transactions.financial_link_id = a.financial_link_id
       JOIN bank_transactions b ON a.iban = b.iban AND b.financial_link_id = #{financial_link_id.to_i}
     SQL

app/controllers/finance/financial_transactions_controller.rb

@@ -1,22 +1,22 @@
 class Finance::FinancialTransactionsController < ApplicationController
   before_action :authenticate_finance
-  before_action :find_ordergroup, :except => [:new_collection, :create_collection, :index_collection]
+  before_action :find_ordergroup, except: %i[new_collection create_collection index_collection]
   inherit_resources
   #  belongs_to :ordergroup
 
   def index
-    if params['sort']
-      sort = case params['sort']
-             when "date" then "created_on"
-             when "note"   then "note"
-             when "amount" then "amount"
-             when "date_reverse" then "created_on DESC"
-             when "note_reverse" then "note DESC"
-             when "amount_reverse" then "amount DESC"
+    sort = if params['sort']
+             case params['sort']
+             when 'date' then 'created_on'
+             when 'note'   then 'note'
+             when 'amount' then 'amount'
+             when 'date_reverse' then 'created_on DESC'
+             when 'note_reverse' then 'note DESC'
+             when 'amount_reverse' then 'amount DESC'
              end
-    else
-      sort = "created_on DESC"
-    end
+           else
+             'created_on DESC'
+           end
 
     @q = FinancialTransaction.ransack(params[:q])
     @financial_transactions_all = @q.result(distinct: true).includes(:user).order(sort)
@@ -26,9 +26,11 @@ class Finance::FinancialTransactionsController < ApplicationController
     @financial_transactions = @financial_transactions_all.page(params[:page]).per(@per_page)
 
     respond_to do |format|
-      format.js; format.html { render }
+      format.js
+      format.html { render }
       format.csv do
-        send_data FinancialTransactionsCsv.new(@financial_transactions_all).to_csv, filename: 'transactions.csv', type: 'text/csv'
+        send_data FinancialTransactionsCsv.new(@financial_transactions_all).to_csv, filename: 'transactions.csv',
+                                                                                    type: 'text/csv'
       end
     end
   end
@@ -38,11 +40,11 @@ class Finance::FinancialTransactionsController < ApplicationController
   end
 
   def new
-    if @ordergroup
-      @financial_transaction = @ordergroup.financial_transactions.build
-    else
-      @financial_transaction = FinancialTransaction.new
-    end
+    @financial_transaction = if @ordergroup
+                               @ordergroup.financial_transactions.build
+                             else
+                               FinancialTransaction.new
+                             end
   end
 
   def create
@@ -53,16 +55,18 @@ class Finance::FinancialTransactionsController < ApplicationController
     else
       @financial_transaction.save!
     end
-    redirect_to finance_group_transactions_path(@ordergroup), notice: I18n.t('finance.financial_transactions.controller.create.notice')
-  rescue ActiveRecord::RecordInvalid => error
-    flash.now[:alert] = error.message
-    render :action => :new
+    redirect_to finance_group_transactions_path(@ordergroup),
+                notice: I18n.t('finance.financial_transactions.controller.create.notice')
+  rescue ActiveRecord::RecordInvalid => e
+    flash.now[:alert] = e.message
+    render action: :new
   end
 
   def destroy
     transaction = FinancialTransaction.find(params[:id])
     transaction.revert!(current_user)
-    redirect_to finance_group_transactions_path(transaction.ordergroup), notice: t('finance.financial_transactions.controller.destroy.notice')
+    redirect_to finance_group_transactions_path(transaction.ordergroup),
+                notice: t('finance.financial_transactions.controller.destroy.notice')
   end
 
   def new_collection
@@ -88,17 +92,17 @@ class Finance::FinancialTransactionsController < ApplicationController
 
       params[:financial_transactions].each do |trans|
         # ignore empty amount fields ...
-        unless trans[:amount].blank?
-          amount = LocalizeInput.parse(trans[:amount]).to_f
-          note = params[:note]
-          ordergroup = Ordergroup.find(trans[:ordergroup_id])
-          if params[:set_balance]
-            note += " (#{amount})"
-            amount -= ordergroup.financial_transaction_class_balance(type.financial_transaction_class)
-          end
-          ordergroup.add_financial_transaction!(amount, note, @current_user, type, financial_link)
-          foodcoop_amount -= amount
+        next if trans[:amount].blank?
+
+        amount = LocalizeInput.parse(trans[:amount]).to_f
+        note = params[:note]
+        ordergroup = Ordergroup.find(trans[:ordergroup_id])
+        if params[:set_balance]
+          note += " (#{amount})"
+          amount -= ordergroup.financial_transaction_class_balance(type.financial_transaction_class)
         end
+        ordergroup.add_financial_transaction!(amount, note, @current_user, type, financial_link)
+        foodcoop_amount -= amount
       end
 
       if params[:create_foodcoop_transaction]
@@ -107,7 +111,7 @@ class Finance::FinancialTransactionsController < ApplicationController
                                         user: @current_user,
                                         amount: foodcoop_amount,
                                         note: params[:note],
-                                        financial_link: financial_link,
+                                        financial_link: financial_link
                                       })
         ft.save!
       end
@@ -117,8 +121,8 @@ class Finance::FinancialTransactionsController < ApplicationController
 
     url = financial_link ? finance_link_url(financial_link.id) : finance_ordergroups_url
     redirect_to url, notice: I18n.t('finance.financial_transactions.controller.create_collection.notice')
-  rescue => error
-    flash.now[:alert] = error.message
+  rescue StandardError => e
+    flash.now[:alert] = e.message
     render action: :new_collection
   end
 

app/controllers/finance/invoices_controller.rb

@@ -1,15 +1,16 @@
 class Finance::InvoicesController < ApplicationController
   before_action :authenticate_finance_or_invoices
 
-  before_action :find_invoice, only: [:show, :edit, :update, :destroy]
-  before_action :ensure_can_edit, only: [:edit, :update, :destroy]
+  before_action :find_invoice, only: %i[show edit update destroy]
+  before_action :ensure_can_edit, only: %i[edit update destroy]
 
   def index
     @invoices_all = Invoice.includes(:supplier, :deliveries, :orders).order('date DESC')
     @invoices = @invoices_all.page(params[:page]).per(@per_page)
 
     respond_to do |format|
-      format.js; format.html { render }
+      format.js
+      format.html { render }
       format.csv do
         send_data InvoicesCsv.new(@invoices_all).to_csv, filename: 'invoices.csv', type: 'text/csv'
       end
@@ -20,11 +21,10 @@ class Finance::InvoicesController < ApplicationController
     @suppliers = Supplier.includes(:invoices).where('invoices.paid_on IS NULL').references(:invoices)
   end
 
-  def show
-  end
+  def show; end
 
   def new
-    @invoice = Invoice.new :supplier_id => params[:supplier_id]
+    @invoice = Invoice.new supplier_id: params[:supplier_id]
     @invoice.deliveries << Delivery.find_by_id(params[:delivery_id]) if params[:delivery_id]
     @invoice.orders << Order.find_by_id(params[:order_id]) if params[:order_id]
     fill_deliveries_and_orders_collection @invoice.id, @invoice.supplier_id
@@ -36,12 +36,14 @@ class Finance::InvoicesController < ApplicationController
 
   def form_on_supplier_id_change
     fill_deliveries_and_orders_collection params[:invoice_id], params[:supplier_id]
-    render :layout => false
+    render layout: false
   end
 
   def fill_deliveries_and_orders_collection(invoice_id, supplier_id)
-    @deliveries_collection = Delivery.where('invoice_id = ? OR (invoice_id IS NULL AND supplier_id = ?)', invoice_id, supplier_id).order(date: :desc).limit(25)
-    @orders_collection = Order.where('invoice_id = ? OR (invoice_id IS NULL AND supplier_id = ?)', invoice_id, supplier_id).order(ends: :desc).limit(25)
+    @deliveries_collection = Delivery.where('invoice_id = ? OR (invoice_id IS NULL AND supplier_id = ?)', invoice_id,
+                                            supplier_id).order(date: :desc).limit(25)
+    @orders_collection = Order.where('invoice_id = ? OR (invoice_id IS NULL AND supplier_id = ?)', invoice_id,
+                                     supplier_id).order(ends: :desc).limit(25)
   end
 
   def create
@@ -58,7 +60,7 @@ class Finance::InvoicesController < ApplicationController
       end
     else
       fill_deliveries_and_orders_collection @invoice.id, @invoice.supplier_id
-      render :action => "new"
+      render action: 'new'
     end
   end
 
@@ -81,7 +83,7 @@ class Finance::InvoicesController < ApplicationController
     @invoice = Invoice.find(params[:invoice_id])
     type = MIME::Types[@invoice.attachment_mime].first
     filename = "invoice_#{@invoice.id}_attachment.#{type.preferred_extension}"
-    send_data(@invoice.attachment_data, :filename => filename, :type => type)
+    send_data(@invoice.attachment_data, filename: filename, type: type)
   end
 
   private
@@ -92,8 +94,8 @@ class Finance::InvoicesController < ApplicationController
 
   # Returns true if @current_user can edit the invoice..
   def ensure_can_edit
-    unless @invoice.user_can_edit?(current_user)
-      deny_access
-    end
+    return if @invoice.user_can_edit?(current_user)
+
+    deny_access
   end
 end

app/controllers/finance/ordergroups_controller.rb

@@ -1,11 +1,11 @@
 class Finance::OrdergroupsController < Finance::BaseController
   def index
-    m = /^(?<col>name|sum_of_class_\d+)(?<reverse>_reverse)?$/.match params["sort"]
+    m = /^(?<col>name|sum_of_class_\d+)(?<reverse>_reverse)?$/.match params['sort']
     if m
       sort = m[:col]
       sort += ' DESC' if m[:reverse]
     else
-      sort = "name"
+      sort = 'name'
     end
 
     @ordergroups = Ordergroup.undeleted.order(sort)

app/controllers/foodcoop/ordergroups_controller.rb

@@ -1,20 +1,16 @@
 class Foodcoop::OrdergroupsController < ApplicationController
   def index
-    @ordergroups = Ordergroup.undeleted.sort_by_param(params["sort"])
+    @ordergroups = Ordergroup.undeleted.sort_by_param(params['sort'])
 
-    unless params[:name].blank? # Search by name
-      @ordergroups = @ordergroups.where('name LIKE ?', "%#{params[:name]}%")
-    end
+    @ordergroups = @ordergroups.where('name LIKE ?', "%#{params[:name]}%") if params[:name].present? # Search by name
 
-    if params[:only_active] # Select only active groups
-      @ordergroups = @ordergroups.active
-    end
+    @ordergroups = @ordergroups.active if params[:only_active] # Select only active groups
 
     @ordergroups = @ordergroups.page(params[:page]).per(@per_page)
 
     respond_to do |format|
       format.html # index.html.erb
-      format.js { render :layout => false }
+      format.js { render layout: false }
     end
   end
 end

app/controllers/foodcoop/users_controller.rb

@@ -1,19 +1,20 @@
 class Foodcoop::UsersController < ApplicationController
   def index
-    @users = User.undeleted.sort_by_param(params["sort"])
+    @users = User.undeleted.sort_by_param(params['sort'])
 
     # if somebody uses the search field:
-    @users = @users.natural_search(params[:user_name]) unless params[:user_name].blank?
+    @users = @users.natural_search(params[:user_name]) if params[:user_name].present?
 
     if params[:ordergroup_name]
-      @users = @users.joins(:groups).where("groups.type = 'Ordergroup' AND groups.name LIKE ?", "%#{params[:ordergroup_name]}%")
+      @users = @users.joins(:groups).where("groups.type = 'Ordergroup' AND groups.name LIKE ?",
+                                           "%#{params[:ordergroup_name]}%")
     end
 
     @users = @users.page(params[:page]).per(@per_page)
 
     respond_to do |format|
       format.html # index.html.haml
-      format.js { render :layout => false } # index.js.erb
+      format.js { render layout: false } # index.js.erb
     end
   end
 end

app/controllers/foodcoop/workgroups_controller.rb

@@ -1,9 +1,9 @@
 class Foodcoop::WorkgroupsController < ApplicationController
   before_action :authenticate_membership_or_admin,
-                :except => [:index]
+                except: [:index]
 
   def index
-    @workgroups = Workgroup.order("name")
+    @workgroups = Workgroup.order('name')
   end
 
   def edit
@@ -13,9 +13,9 @@ class Foodcoop::WorkgroupsController < ApplicationController
   def update
     @workgroup = Workgroup.find(params[:id])
     if @workgroup.update(params[:workgroup])
-      redirect_to foodcoop_workgroups_url, :notice => I18n.t('workgroups.update.notice')
+      redirect_to foodcoop_workgroups_url, notice: I18n.t('workgroups.update.notice')
     else
-      render :action => 'edit'
+      render action: 'edit'
     end
   end
 end

app/controllers/group_order_articles_controller.rb

@@ -1,6 +1,6 @@
 class GroupOrderArticlesController < ApplicationController
   before_action :authenticate_finance
-  before_action :find_group_order_article, except: [:new, :create]
+  before_action :find_group_order_article, except: %i[new create]
 
   layout false  # We only use this controller to server js snippets, no need for layout rendering
 

app/controllers/group_orders_controller.rb

@@ -3,9 +3,9 @@
 class GroupOrdersController < ApplicationController
   # Security
   before_action :ensure_ordergroup_member
-  before_action :ensure_open_order, :only => [:new, :create, :edit, :update, :order, :stock_order, :saveOrder]
-  before_action :ensure_my_group_order, only: [:show, :edit, :update]
-  before_action :enough_apples?, only: [:new, :create]
+  before_action :ensure_open_order, only: %i[new create edit update order stock_order saveOrder]
+  before_action :ensure_my_group_order, only: %i[show edit update]
+  before_action :enough_apples?, only: %i[new create]
 
   # Index page.
   def index
@@ -13,9 +13,17 @@ class GroupOrdersController < ApplicationController
     @finished_not_closed_orders_including_group_order = Order.finished_not_closed.ordergroup_group_orders_map(@ordergroup)
   end
 
+  def show
+    @order = @group_order.order
+  end
+
   def new
     ordergroup = params[:stock_order] ? nil : @ordergroup
-    @group_order = @order.group_orders.build(:ordergroup => ordergroup, :updated_by => current_user)
+    @group_order = @order.group_orders.build(ordergroup: ordergroup, updated_by: current_user)
+    @ordering_data = @group_order.load_data
+  end
+
+  def edit
     @ordering_data = @group_order.load_data
   end
 
@@ -23,34 +31,26 @@ class GroupOrdersController < ApplicationController
     @group_order = GroupOrder.new(params[:group_order])
     begin
       @group_order.save_ordering!
-      redirect_to group_order_url(@group_order), :notice => I18n.t('group_orders.create.notice')
+      redirect_to group_order_url(@group_order), notice: I18n.t('group_orders.create.notice')
     rescue ActiveRecord::StaleObjectError
-      redirect_to group_orders_url, :alert => I18n.t('group_orders.create.error_stale')
-    rescue => exception
-      logger.error('Failed to update order: ' + exception.message)
-      redirect_to group_orders_url, :alert => I18n.t('group_orders.create.error_general')
+      redirect_to group_orders_url, alert: I18n.t('group_orders.create.error_stale')
+    rescue StandardError => e
+      logger.error('Failed to update order: ' + e.message)
+      redirect_to group_orders_url, alert: I18n.t('group_orders.create.error_general')
     end
   end
 
-  def show
-    @order = @group_order.order
-  end
-
-  def edit
-    @ordering_data = @group_order.load_data
-  end
-
   def update
     @group_order.attributes = params[:group_order]
     @group_order.updated_by = current_user
     begin
       @group_order.save_ordering!
-      redirect_to group_order_url(@group_order), :notice => I18n.t('group_orders.update.notice')
+      redirect_to group_order_url(@group_order), notice: I18n.t('group_orders.update.notice')
     rescue ActiveRecord::StaleObjectError
-      redirect_to group_orders_url, :alert => I18n.t('group_orders.update.error_stale')
-    rescue => exception
-      logger.error('Failed to update order: ' + exception.message)
-      redirect_to group_orders_url, :alert => I18n.t('group_orders.update.error_general')
+      redirect_to group_orders_url, alert: I18n.t('group_orders.update.error_stale')
+    rescue StandardError => e
+      logger.error('Failed to update order: ' + e.message)
+      redirect_to group_orders_url, alert: I18n.t('group_orders.update.error_general')
     end
   end
 
@@ -74,16 +74,16 @@ class GroupOrdersController < ApplicationController
   # Used as a :before_action by OrdersController.
   def ensure_ordergroup_member
     @ordergroup = @current_user.ordergroup
-    if @ordergroup.nil?
-      redirect_to root_url, :alert => I18n.t('group_orders.errors.no_member')
-    end
+    return unless @ordergroup.nil?
+
+    redirect_to root_url, alert: I18n.t('group_orders.errors.no_member')
   end
 
   def ensure_open_order
-    @order = Order.includes([:supplier, :order_articles]).find(order_id_param)
+    @order = Order.includes(%i[supplier order_articles]).find(order_id_param)
     unless @order.open?
       flash[:notice] = I18n.t('group_orders.errors.closed')
-      redirect_to :action => 'index'
+      redirect_to action: 'index'
     end
   rescue ActiveRecord::RecordNotFound
     redirect_to group_orders_url, alert: I18n.t('group_orders.errors.notfound')
@@ -91,17 +91,17 @@ class GroupOrdersController < ApplicationController
 
   def ensure_my_group_order
     @group_order = GroupOrder.find(params[:id])
-    if @group_order.ordergroup != @ordergroup && (@group_order.ordergroup || !current_user.role_orders?)
-      redirect_to group_orders_url, alert: I18n.t('group_orders.errors.notfound')
-    end
+    return unless @group_order.ordergroup != @ordergroup && (@group_order.ordergroup || !current_user.role_orders?)
+
+    redirect_to group_orders_url, alert: I18n.t('group_orders.errors.notfound')
   end
 
   def enough_apples?
-    if @ordergroup.not_enough_apples?
-      redirect_to group_orders_url,
-                  alert: t('not_enough_apples', scope: 'group_orders.messages', apples: @ordergroup.apples,
-                                                stop_ordering_under: FoodsoftConfig[:stop_ordering_under])
-    end
+    return unless @ordergroup.not_enough_apples?
+
+    redirect_to group_orders_url,
+                alert: t('not_enough_apples', scope: 'group_orders.messages', apples: @ordergroup.apples,
+                                              stop_ordering_under: FoodsoftConfig[:stop_ordering_under])
   end
 
   def order_id_param

app/controllers/home_controller.rb

@@ -9,8 +9,7 @@ class HomeController < ApplicationController
     @unassigned_tasks = Task.order(:due_date).next_unassigned_tasks_for(current_user)
   end
 
-  def profile
-  end
+  def profile; end
 
   def reference_calculator
     if current_user.ordergroup
@@ -36,40 +35,43 @@ class HomeController < ApplicationController
     @user = @current_user
     @ordergroup = @user.ordergroup
 
-    unless @ordergroup.nil?
+    if @ordergroup.nil?
+      redirect_to root_path, alert: I18n.t('home.no_ordergroups')
+    else
 
       @ordergroup = Ordergroup.include_transaction_class_sum.find(@ordergroup.id)
 
-      if params['sort']
-        sort = case params['sort']
-               when "date" then "created_on"
-               when "note"   then "note"
-               when "amount" then "amount"
-               when "date_reverse" then "created_on DESC"
-               when "note_reverse" then "note DESC"
-               when "amount_reverse" then "amount DESC"
+      sort = if params['sort']
+               case params['sort']
+               when 'date' then 'created_on'
+               when 'note'   then 'note'
+               when 'amount' then 'amount'
+               when 'date_reverse' then 'created_on DESC'
+               when 'note_reverse' then 'note DESC'
+               when 'amount_reverse' then 'amount DESC'
                end
-      else
-        sort = "created_on DESC"
-      end
+             else
+               'created_on DESC'
+             end
 
       @financial_transactions = @ordergroup.financial_transactions.visible.page(params[:page]).per(@per_page).order(sort)
-      @financial_transactions = @financial_transactions.where('financial_transactions.note LIKE ?', "%#{params[:query]}%") if params[:query].present?
+      if params[:query].present?
+        @financial_transactions = @financial_transactions.where('financial_transactions.note LIKE ?',
+                                                                "%#{params[:query]}%")
+      end
 
-    else
-      redirect_to root_path, alert: I18n.t('home.no_ordergroups')
     end
   end
 
   # cancel personal memberships direct from the myProfile-page
   def cancel_membership
-    if params[:membership_id]
-      membership = @current_user.memberships.find(params[:membership_id])
-    else
-      membership = @current_user.memberships.find_by_group_id!(params[:group_id])
-    end
+    membership = if params[:membership_id]
+                   @current_user.memberships.find(params[:membership_id])
+                 else
+                   @current_user.memberships.find_by_group_id!(params[:group_id])
+                 end
     membership.destroy
-    redirect_to my_profile_path, notice: I18n.t('home.ordergroup_cancelled', :group => membership.group.name)
+    redirect_to my_profile_path, notice: I18n.t('home.ordergroup_cancelled', group: membership.group.name)
   end
 
   protected
@@ -82,8 +84,8 @@ class HomeController < ApplicationController
   end
 
   def ordergroup_params
-    if params[:user][:ordergroup]
-      params.require(:user).require(:ordergroup).permit(:contact_address)
-    end
+    return unless params[:user][:ordergroup]
+
+    params.require(:user).require(:ordergroup).permit(:contact_address)
   end
 end

app/controllers/invites_controller.rb

@@ -3,7 +3,7 @@ class InvitesController < ApplicationController
   before_action -> { require_config_disabled :disable_invite }
 
   def new
-    @invite = Invite.new(:user => @current_user, :group => @group)
+    @invite = Invite.new(user: @current_user, group: @group)
   end
 
   def create
@@ -27,6 +27,10 @@ class InvitesController < ApplicationController
   protected
 
   def authenticate_membership_or_admin_for_invites
-    authenticate_membership_or_admin((params[:invite][:group_id] rescue params[:id]))
+    authenticate_membership_or_admin(begin
+      params[:invite][:group_id]
+    rescue StandardError
+      params[:id]
+    end)
   end
 end

app/controllers/login_controller.rb

@@ -1,6 +1,6 @@
 class LoginController < ApplicationController
   skip_before_action :authenticate # no authentication since this is the login page
-  before_action :validate_token, :only => [:new_password, :update_password]
+  before_action :validate_token, only: %i[new_password update_password]
 
   # Display the form to enter an email address requesting a token to set a new password.
   def forgot_password
@@ -9,20 +9,17 @@ class LoginController < ApplicationController
 
   # Sends an email to a user with the token that allows setting a new password through action "password".
   def reset_password
-    if request.get? || params[:user].nil? # Catch for get request and give better error message.
-      redirect_to forgot_password_url, alert: I18n.t('errors.general_again') and return
-    end
+    redirect_to forgot_password_url, alert: I18n.t('errors.general_again') and return if request.get? || params[:user].nil? # Catch for get request and give better error message.
 
     if (user = User.undeleted.find_by_email(params[:user][:email]))
       user.request_password_reset!
     end
-    redirect_to login_url, :notice => I18n.t('login.controller.reset_password.notice')
+    redirect_to login_url, notice: I18n.t('login.controller.reset_password.notice')
   end
 
   # Set a new password with a token from the password reminder email.
   # Called with params :id => User.id and :token => User.reset_password_token to specify a new password.
-  def new_password
-  end
+  def new_password; end
 
   # Sets a new password.
   # Called with params :id => User.id and :token => User.reset_password_token to specify a new password.
@@ -32,7 +29,7 @@ class LoginController < ApplicationController
       @user.reset_password_token = nil
       @user.reset_password_expires = nil
       @user.save
-      redirect_to login_url, :notice => I18n.t('login.controller.update_password.notice')
+      redirect_to login_url, notice: I18n.t('login.controller.update_password.notice')
     else
       render :new_password
     end
@@ -50,14 +47,14 @@ class LoginController < ApplicationController
         @user = User.new(params[:user])
         @user.email = @invite.email
         if @user.save
-          Membership.new(:user => @user, :group => @invite.group).save!
+          Membership.new(user: @user, group: @invite.group).save!
           @invite.destroy
           session[:locale] = @user.locale
           redirect_to login_url, notice: I18n.t('login.controller.accept_invitation.notice')
         end
       end
     else
-      @user = User.new(:email => @invite.email)
+      @user = User.new(email: @invite.email)
     end
   end
 
@@ -65,8 +62,8 @@ class LoginController < ApplicationController
 
   def validate_token
     @user = User.find_by_id_and_reset_password_token(params[:id], params[:token])
-    if (@user.nil? || @user.reset_password_expires < Time.now)
-      redirect_to forgot_password_url, alert: I18n.t('login.controller.error_token_invalid')
-    end
+    return unless @user.nil? || @user.reset_password_expires < Time.now
+
+    redirect_to forgot_password_url, alert: I18n.t('login.controller.error_token_invalid')
   end
 end

app/controllers/order_articles_controller.rb

@@ -1,7 +1,7 @@
 class OrderArticlesController < ApplicationController
   before_action :fetch_order, except: :destroy
-  before_action :authenticate_finance_or_invoices, except: [:new, :create]
-  before_action :authenticate_finance_orders_or_pickup, except: [:edit, :update, :destroy]
+  before_action :authenticate_finance_or_invoices, except: %i[new create]
+  before_action :authenticate_finance_orders_or_pickup, except: %i[edit update destroy]
 
   layout false  # We only use this controller to serve js snippets, no need for layout rendering
 
@@ -9,28 +9,26 @@ class OrderArticlesController < ApplicationController
     @order_article = @order.order_articles.build(params[:order_article])
   end
 
+  def edit
+    @order_article = OrderArticle.find(params[:id])
+  end
+
   def create
     # The article may be ordered with zero units - in that case do not complain.
     #   If order_article is ordered and a new order_article is created, an error message will be
     #   given mentioning that the article already exists, which is desired.
-    @order_article = @order.order_articles.where(:article_id => params[:order_article][:article_id]).first
-    unless @order_article && @order_article.units_to_order == 0
-      @order_article = @order.order_articles.build(params[:order_article])
-    end
+    @order_article = @order.order_articles.where(article_id: params[:order_article][:article_id]).first
+    @order_article = @order.order_articles.build(params[:order_article]) unless @order_article && @order_article.units_to_order == 0
     @order_article.save!
-  rescue
+  rescue StandardError
     render action: :new
   end
 
-  def edit
-    @order_article = OrderArticle.find(params[:id])
-  end
-
   def update
     @order_article = OrderArticle.find(params[:id])
     begin
       @order_article.update_article_and_price!(params[:order_article], params[:article], params[:article_price])
-    rescue
+    rescue StandardError
       render action: :edit
     end
   end

app/controllers/order_comments_controller.rb

@@ -1,15 +1,15 @@
 class OrderCommentsController < ApplicationController
   def new
     @order = Order.find(params[:order_id])
-    @order_comment = @order.comments.build(:user => current_user)
+    @order_comment = @order.comments.build(user: current_user)
   end
 
   def create
     @order_comment = OrderComment.new(params[:order_comment])
     if @order_comment.save
-      render :layout => false
+      render layout: false
     else
-      render :action => :new, :layout => false
+      render action: :new, layout: false
     end
   end
 end

app/controllers/orders_controller.rb

@@ -5,25 +5,26 @@ class OrdersController < ApplicationController
   include Concerns::SendOrderPdf
 
   before_action :authenticate_pickups_or_orders
-  before_action :authenticate_orders, except: [:receive, :receive_on_order_article_create, :receive_on_order_article_update, :show]
-  before_action :remove_empty_article, only: [:create, :update]
+  before_action :authenticate_orders,
+                except: %i[receive receive_on_order_article_create receive_on_order_article_update show]
+  before_action :remove_empty_article, only: %i[create update]
 
   # List orders
   def index
     @open_orders = Order.open.includes(:supplier)
     @finished_orders = Order.finished_not_closed.includes(:supplier)
     @per_page = 15
-    if params['sort']
-      sort = case params['sort']
-             when "supplier"         then "suppliers.name, ends DESC"
-             when "pickup"           then "pickup DESC"
-             when "ends"             then "ends DESC"
-             when "supplier_reverse" then "suppliers.name DESC"
-             when "ends_reverse"     then "ends"
+    sort = if params['sort']
+             case params['sort']
+             when 'supplier'         then 'suppliers.name, ends DESC'
+             when 'pickup'           then 'pickup DESC'
+             when 'ends'             then 'ends DESC'
+             when 'supplier_reverse' then 'suppliers.name DESC'
+             when 'ends_reverse'     then 'ends'
              end
-    else
-      sort = "ends DESC"
-    end
+           else
+             'ends DESC'
+           end
     @suppliers = Supplier.having_articles.order('suppliers.name')
     @orders = Order.closed.includes(:supplier).reorder(sort).page(params[:page]).per(@per_page)
   end
@@ -43,7 +44,7 @@ class OrdersController < ApplicationController
     respond_to do |format|
       format.html
       format.js do
-        render :layout => false
+        render layout: false
       end
       format.pdf do
         send_order_pdf @order, params[:document]
@@ -66,8 +67,14 @@ class OrdersController < ApplicationController
     else
       @order = Order.new(supplier_id: params[:supplier_id]).init_dates
     end
-  rescue => error
-    redirect_to orders_url, alert: t('errors.general_msg', msg: error.message)
+  rescue StandardError => e
+    redirect_to orders_url, alert: t('errors.general_msg', msg: e.message)
+  end
+
+  # Page to edit an exsiting order.
+  # editing finished orders is done in FinanceController
+  def edit
+    @order = Order.includes(:articles).find(params[:id])
   end
 
   # Save a new order.
@@ -81,31 +88,25 @@ class OrdersController < ApplicationController
       redirect_to @order
     else
       logger.debug "[debug] order errors: #{@order.errors.messages}"
-      render :action => 'new'
+      render action: 'new'
     end
   end
 
-  # Page to edit an exsiting order.
-  # editing finished orders is done in FinanceController
-  def edit
-    @order = Order.includes(:articles).find(params[:id])
-  end
-
   # Update an existing order.
   def update
     @order = Order.find params[:id]
     if @order.update(params[:order].merge(updated_by: current_user))
       flash[:notice] = I18n.t('orders.update.notice')
-      redirect_to :action => 'show', :id => @order
+      redirect_to action: 'show', id: @order
     else
-      render :action => 'edit'
+      render action: 'edit'
     end
   end
 
   # Delete an order.
   def destroy
     Order.find(params[:id]).destroy
-    redirect_to :action => 'index'
+    redirect_to action: 'index'
   end
 
   # Finish a current order.
@@ -113,8 +114,8 @@ class OrdersController < ApplicationController
     order = Order.find(params[:id])
     order.finish!(@current_user)
     redirect_to order, notice: I18n.t('orders.finish.notice')
-  rescue => error
-    redirect_to orders_url, alert: I18n.t('errors.general_msg', :msg => error.message)
+  rescue StandardError => e
+    redirect_to orders_url, alert: I18n.t('errors.general_msg', msg: e.message)
   end
 
   # Send a order to the supplier.
@@ -122,20 +123,18 @@ class OrdersController < ApplicationController
     order = Order.find(params[:id])
     order.send_to_supplier!(@current_user)
     redirect_to order, notice: I18n.t('orders.send_to_supplier.notice')
-  rescue => error
-    redirect_to order, alert: I18n.t('errors.general_msg', :msg => error.message)
+  rescue StandardError => e
+    redirect_to order, alert: I18n.t('errors.general_msg', msg: e.message)
   end
 
   def receive
     @order = Order.find(params[:id])
-    unless request.post?
-      @order_articles = @order.order_articles.ordered_or_member.includes(:article).order('articles.order_number, articles.name')
-    else
+    if request.post?
       Order.transaction do
         s = update_order_amounts
         @order.update_attribute(:state, 'received') if @order.state != 'received'
 
-        flash[:notice] = (s ? I18n.t('orders.receive.notice', :msg => s) : I18n.t('orders.receive.notice_none'))
+        flash[:notice] = (s ? I18n.t('orders.receive.notice', msg: s) : I18n.t('orders.receive.notice_none'))
       end
       NotifyReceivedOrderJob.perform_later(@order)
       if current_user.role_orders? || current_user.role_finance?
@@ -145,23 +144,25 @@ class OrdersController < ApplicationController
       else
         redirect_to receive_order_path(@order)
       end
+    else
+      @order_articles = @order.order_articles.ordered_or_member.includes(:article).order('articles.order_number, articles.name')
     end
   end
 
   def receive_on_order_article_create # See publish/subscribe design pattern in /doc.
     @order_article = OrderArticle.find(params[:order_article_id])
-    render :layout => false
+    render layout: false
   end
 
   def receive_on_order_article_update # See publish/subscribe design pattern in /doc.
     @order_article = OrderArticle.find(params[:order_article_id])
-    render :layout => false
+    render layout: false
   end
 
   protected
 
   def update_order_amounts
-    return if not params[:order_articles]
+    return unless params[:order_articles]
 
     # where to leave remainder during redistribution
     rest_to = []
@@ -176,35 +177,42 @@ class OrdersController < ApplicationController
     # "MySQL lock timeout exceeded" errors. It's ok to do
     # this article-by-article anway.
     params[:order_articles].each do |oa_id, oa_params|
-      unless oa_params.blank?
-        oa = OrderArticle.find(oa_id)
-        # update attributes; don't use update_attribute because it calls save
-        # which makes received_changed? not work anymore
-        oa.attributes = oa_params
-        if oa.units_received_changed?
-          counts[0] += 1
-          unless oa.units_received.blank?
-            cunits[0] += oa.units_received * oa.article.unit_quantity
-            oacounts = oa.redistribute oa.units_received * oa.price.unit_quantity, rest_to
-            oacounts.each_with_index { |c, i| cunits[i + 1] += c; counts[i + 1] += 1 if c > 0 }
+      next if oa_params.blank?
+
+      oa = OrderArticle.find(oa_id)
+      # update attributes; don't use update_attribute because it calls save
+      # which makes received_changed? not work anymore
+      oa.attributes = oa_params
+      if oa.units_received_changed?
+        counts[0] += 1
+        if oa.units_received.present?
+          cunits[0] += oa.units_received * oa.article.unit_quantity
+          oacounts = oa.redistribute oa.units_received * oa.price.unit_quantity, rest_to
+          oacounts.each_with_index do |c, i|
+            cunits[i + 1] += c
+            counts[i + 1] += 1 if c > 0
           end
         end
-        oa.save!
       end
+      oa.save!
     end
     return nil if counts[0] == 0
 
     notice = []
     notice << I18n.t('orders.update_order_amounts.msg1', count: counts[0], units: cunits[0])
-    notice << I18n.t('orders.update_order_amounts.msg2', count: counts[1], units: cunits[1]) if params[:rest_to_tolerance]
+    if params[:rest_to_tolerance]
+      notice << I18n.t('orders.update_order_amounts.msg2', count: counts[1],
+                                                           units: cunits[1])
+    end
     notice << I18n.t('orders.update_order_amounts.msg3', count: counts[2], units: cunits[2]) if params[:rest_to_stock]
     if counts[3] > 0 || cunits[3] > 0
-      notice << I18n.t('orders.update_order_amounts.msg4', count: counts[3], units: cunits[3])
+      notice << I18n.t('orders.update_order_amounts.msg4', count: counts[3],
+                                                           units: cunits[3])
     end
     notice.join(', ')
   end
 
   def remove_empty_article
-    params[:order][:article_ids].reject!(&:blank?) if params[:order] && params[:order][:article_ids]
+    params[:order][:article_ids].compact_blank! if params[:order] && params[:order][:article_ids]
   end
 end

app/controllers/sessions_controller.rb

@@ -12,10 +12,10 @@ class SessionsController < ApplicationController
     user = User.authenticate(params[:nick], params[:password])
     if user
       user.update_attribute(:last_login, Time.now)
-      login_and_redirect_to_return_to user, :notice => I18n.t('sessions.logged_in')
+      login_and_redirect_to_return_to user, notice: I18n.t('sessions.logged_in')
     else
       flash.now.alert = I18n.t(FoodsoftConfig[:use_nick] ? 'sessions.login_invalid_nick' : 'sessions.login_invalid_email')
-      render "new"
+      render 'new'
     end
   end
 
@@ -24,7 +24,7 @@ class SessionsController < ApplicationController
     if FoodsoftConfig[:logout_redirect_url].present?
       redirect_to FoodsoftConfig[:logout_redirect_url]
     else
-      redirect_to login_url, :notice => I18n.t('sessions.logged_out')
+      redirect_to login_url, notice: I18n.t('sessions.logged_out')
     end
   end
 

app/controllers/stock_takings_controller.rb

@@ -7,21 +7,21 @@ class StockTakingsController < ApplicationController
 
   def new
     @stock_taking = StockTaking.new
-    StockArticle.undeleted.each { |a| @stock_taking.stock_changes.build(:stock_article => a) }
+    StockArticle.undeleted.each { |a| @stock_taking.stock_changes.build(stock_article: a) }
   end
 
   def new_on_stock_article_create # See publish/subscribe design pattern in /doc.
     stock_article = StockArticle.find(params[:stock_article_id])
-    @stock_change = StockChange.new(:stock_article => stock_article)
+    @stock_change = StockChange.new(stock_article: stock_article)
 
-    render :layout => false
+    render layout: false
   end
 
   def create
-    create!(:notice => I18n.t('stock_takings.create.notice'))
+    create!(notice: I18n.t('stock_takings.create.notice'))
   end
 
   def update
-    update!(:notice => I18n.t('stock_takings.update.notice'))
+    update!(notice: I18n.t('stock_takings.update.notice'))
   end
 end

app/controllers/stockit_controller.rb

@@ -7,57 +7,13 @@ class StockitController < ApplicationController
   def index_on_stock_article_create # See publish/subscribe design pattern in /doc.
     @stock_article = StockArticle.find(params[:id])
 
-    render :layout => false
+    render layout: false
   end
 
   def index_on_stock_article_update # See publish/subscribe design pattern in /doc.
     @stock_article = StockArticle.find(params[:id])
 
-    render :layout => false
-  end
-
-  # three possibilites to fill a new_stock_article form
-  # (1) start from blank or use params
-  def new
-    @stock_article = StockArticle.new(params[:stock_article])
-
-    render :layout => false
-  end
-
-  # (2) StockArticle as template
-  def copy
-    @stock_article = StockArticle.find(params[:stock_article_id]).dup
-
-    render :layout => false
-  end
-
-  # (3) non-stock Article as template
-  def derive
-    @stock_article = Article.find(params[:old_article_id]).becomes(StockArticle).dup
-
-    render :layout => false
-  end
-
-  def create
-    @stock_article = StockArticle.new({ quantity: 0 }.merge(params[:stock_article]))
-    @stock_article.save!
-    render :layout => false
-  rescue ActiveRecord::RecordInvalid
-    render :action => 'new', :layout => false
-  end
-
-  def edit
-    @stock_article = StockArticle.find(params[:id])
-
-    render :layout => false
-  end
-
-  def update
-    @stock_article = StockArticle.find(params[:id])
-    @stock_article.update!(params[:stock_article])
-    render :layout => false
-  rescue ActiveRecord::RecordInvalid
-    render :action => 'edit', :layout => false
+    render layout: false
   end
 
   def show
@@ -65,24 +21,68 @@ class StockitController < ApplicationController
     @stock_changes = @stock_article.stock_changes.order('stock_changes.created_at DESC')
   end
 
+  # three possibilites to fill a new_stock_article form
+  # (1) start from blank or use params
+  def new
+    @stock_article = StockArticle.new(params[:stock_article])
+
+    render layout: false
+  end
+
+  # (2) StockArticle as template
+  def copy
+    @stock_article = StockArticle.find(params[:stock_article_id]).dup
+
+    render layout: false
+  end
+
+  # (3) non-stock Article as template
+  def derive
+    @stock_article = Article.find(params[:old_article_id]).becomes(StockArticle).dup
+
+    render layout: false
+  end
+
+  def edit
+    @stock_article = StockArticle.find(params[:id])
+
+    render layout: false
+  end
+
+  def create
+    @stock_article = StockArticle.new({ quantity: 0 }.merge(params[:stock_article]))
+    @stock_article.save!
+    render layout: false
+  rescue ActiveRecord::RecordInvalid
+    render action: 'new', layout: false
+  end
+
+  def update
+    @stock_article = StockArticle.find(params[:id])
+    @stock_article.update!(params[:stock_article])
+    render layout: false
+  rescue ActiveRecord::RecordInvalid
+    render action: 'edit', layout: false
+  end
+
   def show_on_stock_article_update # See publish/subscribe design pattern in /doc.
     @stock_article = StockArticle.find(params[:id])
 
-    render :layout => false
+    render layout: false
   end
 
   def destroy
     @stock_article = StockArticle.find(params[:id])
     @stock_article.mark_as_deleted
-    render :layout => false
-  rescue => error
-    render :partial => "destroy_fail", :layout => false,
-           :locals => { :fail_msg => I18n.t('errors.general_msg', :msg => error.message) }
+    render layout: false
+  rescue StandardError => e
+    render partial: 'destroy_fail', layout: false,
+           locals: { fail_msg: I18n.t('errors.general_msg', msg: e.message) }
   end
 
   # TODO: Fix this!!
   def articles_search
     @articles = Article.not_in_stock.limit(8).where('name LIKE ?', "%#{params[:term]}%")
-    render :json => @articles.map(&:name)
+    render json: @articles.map(&:name)
   end
 end

app/controllers/styles_controller.rb

@@ -9,7 +9,7 @@ class StylesController < ApplicationController
   def foodcoop
     css = FoodsoftConfig[:custom_css]
     if css.blank?
-      render body: nil, content_type: 'text/css', status: 404
+      render body: nil, content_type: 'text/css', status: :not_found
     else
       expires_in 1.week, public: true if params[:md5].present?
       render body: css, content_type: 'text/css'

app/controllers/suppliers_controller.rb

@@ -1,5 +1,5 @@
 class SuppliersController < ApplicationController
-  before_action :authenticate_suppliers, :except => [:index, :list]
+  before_action :authenticate_suppliers, except: %i[index list]
   helper :deliveries
 
   def index
@@ -24,6 +24,10 @@ class SuppliersController < ApplicationController
     end
   end
 
+  def edit
+    @supplier = Supplier.find(params[:id])
+  end
+
   def create
     @supplier = Supplier.new(supplier_params)
     @supplier.supplier_category ||= SupplierCategory.first
@@ -31,21 +35,17 @@ class SuppliersController < ApplicationController
       flash[:notice] = I18n.t('suppliers.create.notice')
       redirect_to suppliers_path
     else
-      render :action => 'new'
+      render action: 'new'
     end
   end
 
-  def edit
-    @supplier = Supplier.find(params[:id])
-  end
-
   def update
     @supplier = Supplier.find(params[:id])
     if @supplier.update(supplier_params)
       flash[:notice] = I18n.t('suppliers.update.notice')
       redirect_to @supplier
     else
-      render :action => 'edit'
+      render action: 'edit'
     end
   end
 
@@ -54,8 +54,8 @@ class SuppliersController < ApplicationController
     @supplier.mark_as_deleted
     flash[:notice] = I18n.t('suppliers.destroy.notice')
     redirect_to suppliers_path
-  rescue => e
-    flash[:error] = I18n.t('errors.general_msg', :msg => e.message)
+  rescue StandardError => e
+    flash[:error] = I18n.t('errors.general_msg', msg: e.message)
     redirect_to @supplier
   end
 

app/controllers/tasks_controller.rb

@@ -11,35 +11,33 @@ class TasksController < ApplicationController
     @accepted_tasks = Task.accepted_tasks_for(current_user)
   end
 
-  def new
-    @task = Task.new(current_user_id: current_user.id)
-  end
-
-  def create
-    @task = Task.new(current_user_id: current_user.id)
-    @task.created_by = current_user
-    @task.attributes = (task_params)
-    if params[:periodic]
-      @task.periodic_task_group = PeriodicTaskGroup.new
-    end
-    if @task.save
-      @task.periodic_task_group.create_tasks_for_upfront_days if params[:periodic]
-      redirect_to tasks_url, :notice => I18n.t('tasks.create.notice')
-    else
-      render :template => "tasks/new"
-    end
-  end
-
   def show
     @task = Task.find(params[:id])
   end
 
+  def new
+    @task = Task.new(current_user_id: current_user.id)
+  end
+
   def edit
     @task = Task.find(params[:id])
     @periodic = !!params[:periodic]
     @task.current_user_id = current_user.id
   end
 
+  def create
+    @task = Task.new(current_user_id: current_user.id)
+    @task.created_by = current_user
+    @task.attributes = (task_params)
+    @task.periodic_task_group = PeriodicTaskGroup.new if params[:periodic]
+    if @task.save
+      @task.periodic_task_group.create_tasks_for_upfront_days if params[:periodic]
+      redirect_to tasks_url, notice: I18n.t('tasks.create.notice')
+    else
+      render template: 'tasks/new'
+    end
+  end
+
   def update
     @task = Task.find(params[:id])
     task_group = @task.periodic_task_group
@@ -50,16 +48,14 @@ class TasksController < ApplicationController
     if @task.errors.empty? && @task.save
       task_group.update_tasks_including(@task, prev_due_date) if params[:periodic]
       flash[:notice] = I18n.t('tasks.update.notice')
-      if was_periodic && !@task.periodic?
-        flash[:notice] = I18n.t('tasks.update.notice_converted')
-      end
+      flash[:notice] = I18n.t('tasks.update.notice_converted') if was_periodic && !@task.periodic?
       if @task.workgroup
         redirect_to workgroup_tasks_url(workgroup_id: @task.workgroup_id)
       else
         redirect_to tasks_url
       end
     else
-      render :template => "tasks/edit"
+      render template: 'tasks/edit'
     end
   end
 
@@ -75,7 +71,7 @@ class TasksController < ApplicationController
     end
     task.update_ordergroup_stats(user_ids)
 
-    redirect_to tasks_url, :notice => I18n.t('tasks.destroy.notice')
+    redirect_to tasks_url, notice: I18n.t('tasks.destroy.notice')
   end
 
   # assign current_user to the task and set the assignment to "accepted"
@@ -85,20 +81,20 @@ class TasksController < ApplicationController
     if ass = task.is_assigned?(current_user)
       ass.update_attribute(:accepted, true)
     else
-      task.assignments.create(:user => current_user, :accepted => true)
+      task.assignments.create(user: current_user, accepted: true)
     end
-    redirect_to user_tasks_path, :notice => I18n.t('tasks.accept.notice')
+    redirect_to user_tasks_path, notice: I18n.t('tasks.accept.notice')
   end
 
   # deletes assignment between current_user and given taskcurrent_user_id: current_user.id
   def reject
     Task.find(params[:id]).users.delete(current_user)
-    redirect_to :action => "index"
+    redirect_to action: 'index'
   end
 
   def set_done
     Task.find(params[:id]).update_attribute :done, true
-    redirect_to tasks_url, :notice => I18n.t('tasks.set_done.notice')
+    redirect_to tasks_url, notice: I18n.t('tasks.set_done.notice')
   end
 
   # Shows all tasks, which are already done
@@ -109,9 +105,9 @@ class TasksController < ApplicationController
   # shows workgroup (normal group) to edit weekly_tasks_template
   def workgroup
     @group = Group.find(params[:workgroup_id])
-    if @group.is_a? Ordergroup
-      redirect_to tasks_url, :alert => I18n.t('tasks.error_not_found')
-    end
+    return unless @group.is_a? Ordergroup
+
+    redirect_to tasks_url, alert: I18n.t('tasks.error_not_found')
   end
 
   private

app/controllers/users_controller.rb

@@ -3,7 +3,7 @@ class UsersController < ApplicationController
   def index
     @users = User.undeleted.natural_search(params[:q])
     respond_to do |format|
-      format.json { render :json => @users.map(&:token_attributes).to_json }
+      format.json { render json: @users.map(&:token_attributes).to_json }
     end
   end
 end