foodsoft/app/models/order.rb

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class Order < ApplicationRecord
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attr_accessor :ignore_warnings, :transport_distribution
# Associations
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has_many :order_articles, :dependent => :destroy
has_many :articles, :through => :order_articles
has_many :group_orders, :dependent => :destroy
has_many :ordergroups, :through => :group_orders
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has_many :users_ordered, :through => :ordergroups, :source => :users
has_many :comments, -> { order('created_at') }, :class_name => "OrderComment"
has_many :stock_changes
belongs_to :invoice, optional: true
belongs_to :supplier, optional: true
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belongs_to :updated_by, :class_name => 'User', :foreign_key => 'updated_by_user_id'
belongs_to :created_by, :class_name => 'User', :foreign_key => 'created_by_user_id'
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enum end_action: { no_end_action: 0, auto_close: 1, auto_close_and_send: 2, auto_close_and_send_min_quantity: 3 }
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enum transport_distribution: [:skip, :ordergroup, :price, :articles]
# Validations
validates_presence_of :starts
validate :starts_before_ends, :include_articles
validate :keep_ordered_articles
# Callbacks
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after_save :save_order_articles, :update_price_of_group_orders!
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before_validation :distribute_transport
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# Finders
scope :started, -> { where('starts <= ?', Time.now) }
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scope :closed, -> { where(state: 'closed').order(ends: :desc) }
scope :stockit, -> { where(supplier_id: nil).order(ends: :desc) }
scope :recent, -> { order(starts: :desc).limit(10) }
scope :stock_group_order, -> { group_orders.where(ordergroup_id: nil).first }
scope :with_invoice, -> { where.not(invoice: nil) }
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# State related finders
# Diagram for `Order.state` looks like this:
# * -> open -> finished (-> received) -> closed
# So orders can
# 1. ...only transition in one direction (e.g. an order that has been `finished` currently cannot be reopened)
# 2. ...be set to `closed` when having the `finished` state. (`received` is optional)
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scope :open, -> { where(state: 'open').order(ends: :desc) }
scope :finished, -> { where(state: %w[finished received closed]).order(ends: :desc) }
scope :finished_not_closed, -> { where(state: %w[finished received]).order(ends: :desc) }
# Allow separate inputs for date and time
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# with workaround for https://github.com/einzige/date_time_attribute/issues/14
include DateTimeAttributeValidate
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date_time_attribute :starts, :boxfill, :ends
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def self.ransackable_attributes(auth_object = nil)
%w(id state supplier_id starts boxfill ends pickup)
end
def self.ransackable_associations(auth_object = nil)
%w(supplier articles order_articles)
end
def stockit?
supplier_id.nil?
end
def name
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stockit? ? I18n.t('orders.model.stock') : supplier.name
end
def articles_for_ordering
if stockit?
# make sure to include those articles which are no longer available
# but which have already been ordered in this stock order
StockArticle.available.includes(:article_category)
.order('article_categories.name', 'articles.name').reject { |a|
a.quantity_available <= 0 && !a.ordered_in_order?(self)
}.group_by { |a| a.article_category.name }
else
supplier.articles.available.group_by { |a| a.article_category.name }
end
end
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def supplier_articles
if stockit?
StockArticle.undeleted.reorder('articles.name')
else
supplier.articles.undeleted.reorder('articles.name')
end
end
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# Save ids, and create/delete order_articles after successfully saved the order
def article_ids=(ids)
@article_ids = ids
end
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def article_ids
@article_ids ||= order_articles.map { |a| a.article_id.to_s }
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end
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# Returns an array of article ids that lead to a validation error.
def erroneous_article_ids
@erroneous_article_ids ||= []
end
def open?
state == "open"
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end
def finished?
state == "finished" || state == "received"
end
def received?
state == "received"
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end
def closed?
state == "closed"
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end
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def boxfill?
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!!FoodsoftConfig[:use_boxfill] && open? && boxfill.present? && boxfill < Time.now
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end
def is_boxfill_useful?
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!!FoodsoftConfig[:use_boxfill] && !!supplier.try(:has_tolerance?)
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end
def expired?
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ends.present? && ends < Time.now
end
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# sets up first guess of dates when initializing a new object
# I guess `def initialize` would work, but it's tricky http://stackoverflow.com/questions/1186400
def init_dates
self.starts ||= Time.now
if FoodsoftConfig[:order_schedule]
# try to be smart when picking a reference day
last = (DateTime.parse(FoodsoftConfig[:order_schedule][:initial]) rescue nil)
last ||= Order.finished.reorder(:starts).first.try(:starts)
last ||= self.starts
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# adjust boxfill and end date
self.boxfill ||= FoodsoftDateUtil.next_occurrence last, self.starts, FoodsoftConfig[:order_schedule][:boxfill] if is_boxfill_useful?
self.ends ||= FoodsoftDateUtil.next_occurrence last, self.starts, FoodsoftConfig[:order_schedule][:ends]
end
self
end
# fetch current Order scope's records and map the current user's GroupOrders in (if any)
# (performance enhancement as opposed to fetching each GroupOrder separately from the view)
def self.ordergroup_group_orders_map(ordergroup)
orders = includes(:supplier)
group_orders = GroupOrder.where(ordergroup_id: ordergroup.id, order_id: orders.map(&:id))
group_orders_hash = Hash[group_orders.collect { |go| [go.order_id, go] }]
orders.map do |order|
{
order: order,
group_order: group_orders_hash[order.id]
}
end
end
# search GroupOrder of given Ordergroup
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def group_order(ordergroup)
group_orders.where(:ordergroup_id => ordergroup.id).first
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end
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def stock_group_order
group_orders.where(:ordergroup_id => nil).first
end
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# Returns OrderArticles in a nested Array, grouped by category and ordered by article name.
# The array has the following form:
# e.g: [["drugs",[teethpaste, toiletpaper]], ["fruits" => [apple, banana, lemon]]]
def articles_grouped_by_category
@articles_grouped_by_category ||= order_articles
.includes([:article_price, :group_order_articles, :article => :article_category])
.order('articles.name')
.group_by { |a| a.article.article_category.name }
.sort { |a, b| a[0] <=> b[0] }
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end
def articles_sort_by_category
order_articles.includes(:article).order('articles.name').sort do |a, b|
a.article.article_category.name <=> b.article.article_category.name
end
end
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# Returns the defecit/benefit for the foodcoop
# Requires a valid invoice, belonging to this order
# FIXME: Consider order.foodcoop_result
def profit(options = {})
markup = options[:without_markup] || false
if invoice
groups_sum = markup ? sum(:groups_without_markup) : sum(:groups)
groups_sum - invoice.net_amount
end
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end
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# Returns the all round price of a finished order
# :groups returns the sum of all GroupOrders
# :clear returns the price without tax, deposit and markup
# :gross includes tax and deposit. this amount should be equal to suppliers bill
# :fc, guess what...
def sum(type = :gross)
total = 0
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if type == :net || type == :gross || type == :fc
for oa in order_articles.ordered.includes(:article, :article_price)
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quantity = oa.units * oa.price.unit_quantity
case type
when :net
total += quantity * oa.price.price
when :gross
total += quantity * oa.price.gross_price
when :fc
total += quantity * oa.price.fc_price
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end
end
elsif type == :groups || type == :groups_without_markup
for go in group_orders.includes(group_order_articles: { order_article: [:article, :article_price] })
for goa in go.group_order_articles
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case type
when :groups
total += goa.result * goa.order_article.price.fc_price
when :groups_without_markup
total += goa.result * goa.order_article.price.gross_price
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end
end
end
end
total
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end
# Finishes this order. This will set the order state to "finish" and the end property to the current time.
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# Ignored if the order is already finished.
def finish!(user)
unless finished?
Order.transaction do
# set new order state (needed by notify_order_finished)
update_attributes!(:state => 'finished', :ends => Time.now, :updated_by => user)
# Update order_articles. Save the current article_price to keep price consistency
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# Also save results for each group_order_result
# Clean up
order_articles.includes(:article).each do |oa|
oa.update_attribute(:article_price, oa.article.article_prices.first)
oa.group_order_articles.each do |goa|
goa.save_results!
# Delete no longer required order-history (group_order_article_quantities) and
# TODO: Do we need articles, which aren't ordered? (units_to_order == 0 ?)
# A: Yes, we do - for redistributing articles when the number of articles
# delivered changes, and for statistics on popular articles. Records
# with both tolerance and quantity zero can be deleted.
# goa.group_order_article_quantities.clear
end
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end
# Update GroupOrder prices
group_orders.each(&:update_price!)
# Stats
ordergroups.each(&:update_stats!)
# Notifications
NotifyFinishedOrderJob.perform_later(self)
end
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end
end
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# Sets order.status to 'close' and updates all Ordergroup.account_balances
def close!(user, transaction_type = nil)
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raise I18n.t('orders.model.error_closed') if closed?
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update_price_of_group_orders!
transaction do # Start updating account balances
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charge_group_orders!(user, transaction_type)
if stockit? # Decreases the quantity of stock_articles
for oa in order_articles.includes(:article)
oa.update_results! # Update units_to_order of order_article
stock_changes.create! :stock_article => oa.article, :quantity => oa.units_to_order * -1
end
end
self.update_attributes! :state => 'closed', :updated_by => user, :foodcoop_result => profit
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end
end
# Close the order directly, without automaticly updating ordergroups account balances
def close_direct!(user)
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raise I18n.t('orders.model.error_closed') if closed?
comments.create(user: user, text: I18n.t('orders.model.close_direct_message')) unless FoodsoftConfig[:charge_members_manually]
update_attributes! state: 'closed', updated_by: user
end
def send_to_supplier!(user)
Mailer.deliver_now_with_default_locale do
Mailer.order_result_supplier(user, self)
end
update!(last_sent_mail: Time.now)
end
def do_end_action!
if auto_close?
finish!(created_by)
elsif auto_close_and_send?
finish!(created_by)
send_to_supplier!(created_by)
elsif auto_close_and_send_min_quantity?
finish!(created_by)
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send_to_supplier!(created_by) if sum >= supplier.min_order_quantity.to_r
end
end
def self.finish_ended!
orders = Order.where.not(end_action: Order.end_actions[:no_end_action]).where(state: 'open').where('ends <= ?', DateTime.now)
orders.each do |order|
begin
order.do_end_action!
rescue => error
ExceptionNotifier.notify_exception(error, data: { foodcoop: FoodsoftConfig.scope, order_id: order.id })
end
end
end
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protected
def starts_before_ends
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delta = Rails.env.test? ? 1 : 0 # since Rails 4.2 tests appear to have time differences, with this validation failing
errors.add(:ends, I18n.t('orders.model.error_starts_before_ends')) if ends && starts && ends <= (starts - delta)
errors.add(:ends, I18n.t('orders.model.error_boxfill_before_ends')) if ends && boxfill && ends <= (boxfill - delta)
errors.add(:boxfill, I18n.t('orders.model.error_starts_before_boxfill')) if boxfill && starts && boxfill <= (starts - delta)
end
def include_articles
errors.add(:articles, I18n.t('orders.model.error_nosel')) if article_ids.empty?
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end
def keep_ordered_articles
chosen_order_articles = order_articles.where(article_id: article_ids)
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to_be_removed = order_articles - chosen_order_articles
to_be_removed_but_ordered = to_be_removed.select { |a| a.quantity > 0 || a.tolerance > 0 }
unless to_be_removed_but_ordered.empty? || ignore_warnings
errors.add(:articles, I18n.t(stockit? ? 'orders.model.warning_ordered_stock' : 'orders.model.warning_ordered'))
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@erroneous_article_ids = to_be_removed_but_ordered.map { |a| a.article_id }
end
end
def save_order_articles
# fetch selected articles
articles_list = Article.find(article_ids)
# create new order_articles
(articles_list - articles).each { |article| order_articles.create(:article => article) }
# delete old order_articles
articles.reject { |article| articles_list.include?(article) }.each do |article|
order_articles.detect { |order_article| order_article.article_id == article.id }.destroy
end
end
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private
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def distribute_transport
return unless group_orders.any?
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case transport_distribution.try(&:to_i)
when Order.transport_distributions[:ordergroup] then
amount = transport / group_orders.size
group_orders.each do |go|
go.transport = amount.ceil(2)
end
when Order.transport_distributions[:price] then
amount = transport / group_orders.sum(:price)
group_orders.each do |go|
go.transport = (amount * go.price).ceil(2)
end
when Order.transport_distributions[:articles] then
amount = transport / group_orders.includes(:group_order_articles).sum(:result)
group_orders.each do |go|
go.transport = (amount * go.group_order_articles.sum(:result)).ceil(2)
end
end
end
# Updates the "price" attribute of GroupOrders or GroupOrderResults
# This will be either the maximum value of a current order or the actual order value of a finished order.
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def update_price_of_group_orders!
group_orders.each(&:update_price!)
end
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def charge_group_orders!(user, transaction_type = nil)
note = transaction_note
group_orders.includes(:ordergroup).each do |group_order|
if group_order.ordergroup
price = group_order.total * -1 # decrease! account balance
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group_order.ordergroup.add_financial_transaction!(price, note, user, transaction_type, nil, group_order)
end
end
end
def transaction_note
I18n.t('orders.model.notice_close', name: name, ends: ends.strftime(I18n.t('date.formats.default')))
end
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end