Merge pull request #142 from foodcoop-rostock/multiple-recurring-tasks

Great!

app/controllers/tasks_controller.rb

@@ -18,6 +18,9 @@ class TasksController < ApplicationController
   
   def create
     @task = Task.new(params[:task])
+    if params[:periodic]
+      @task.periodic_task_group = PeriodicTaskGroup.new
+    end
     if @task.save
       redirect_to tasks_url, :notice => I18n.t('tasks.create.notice')
     else
@@ -32,13 +35,20 @@ class TasksController < ApplicationController
   def edit
     @task = Task.find(params[:id])
     @task.current_user_id = current_user.id
+    if @task.periodic?
+      flash.now[:alert] = I18n.t('tasks.edit.warning_periodic').html_safe
+    end
   end
   
   def update
     @task = Task.find(params[:id])
+    was_periodic = @task.periodic?
     @task.attributes=(params[:task])
     if @task.errors.empty? && @task.save
       flash[:notice] = I18n.t('tasks.update.notice')
+      if was_periodic and not @task.periodic?
+        flash[:notice] = I18n.t('tasks.update.notice_converted')
+      end
       if @task.workgroup
         redirect_to workgroup_tasks_url(workgroup_id: @task.workgroup_id)
       else
@@ -53,7 +63,12 @@ class TasksController < ApplicationController
     task = Task.find(params[:id])
     # Save user_ids to update apple statistics after destroy
     user_ids = task.user_ids
-    task.destroy
+    if params[:periodic]
+      task.periodic_task_group.exclude_tasks_before(task)
+      task.periodic_task_group.destroy
+    else
+      task.destroy
+    end
     task.update_ordergroup_stats(user_ids)
 
     redirect_to tasks_url, :notice => I18n.t('tasks.destroy.notice')

app/models/periodic_task_group.rb

@@ -0,0 +1,29 @@
+class PeriodicTaskGroup < ActiveRecord::Base
+  has_many :tasks, dependent: :destroy
+
+  PeriodDays = 7
+  
+  def has_next_task?
+    return false if tasks.empty?
+    return false if tasks.first.due_date.nil?
+    return true
+  end
+
+  def create_next_task
+    template_task = tasks.first
+    self.next_task_date ||= template_task.due_date + PeriodDays
+    
+    next_task = template_task.dup
+    next_task.due_date = next_task_date    
+    next_task.save
+
+    self.next_task_date += PeriodDays
+    self.save
+  end
+
+  def exclude_tasks_before(task)
+    tasks.where("due_date < '#{task.due_date}'").each do |t|
+      t.update_attribute(:periodic_task_group, nil)
+    end
+  end
+end

app/models/task.rb

@@ -1,7 +1,9 @@
+# -*- coding: utf-8 -*-
 class Task < ActiveRecord::Base
   has_many :assignments, :dependent => :destroy
   has_many :users, :through => :assignments
   belongs_to :workgroup
+  belongs_to :periodic_task_group
 
   scope :non_group, where(workgroup_id: nil, done: false)
   scope :done, where(done: true)
@@ -16,7 +18,9 @@ class Task < ActiveRecord::Base
   validates :required_users, :presence => true
   validates_numericality_of :duration, :required_users, :only_integer => true, :greater_than => 0
   validates_length_of :description, maximum: 250
+  validates :done, exclusion: { in: [true] }, if: :periodic?, on: :create
 
+  before_save :exclude_from_periodic_task_group, if: :changed?, unless: :new_record?
   after_save :update_ordergroup_stats
 
   # Find all tasks, for which the current user should be responsible
@@ -46,6 +50,10 @@ class Task < ActiveRecord::Base
     end
   end
 
+  def periodic?
+    not periodic_task_group.nil?
+  end
+
   def is_assigned?(user)
     self.assignments.detect {|ass| ass.user_id == user.id }
   end
@@ -100,5 +108,10 @@ class Task < ActiveRecord::Base
   def update_ordergroup_stats(user_ids = self.user_ids)
     Ordergroup.joins(:users).where(users: {id: user_ids}).each(&:update_stats!)
   end
+
+  def exclude_from_periodic_task_group
+    self.periodic_task_group = nil
+    true
+  end
 end
 

app/models/workgroup.rb

@@ -6,51 +6,9 @@ class Workgroup < Group
   has_many :open_tasks, :class_name => 'Task', :conditions => ['done = ?', false], :order => 'due_date ASC'
 
   validates_uniqueness_of :name
-  validates_presence_of :task_name, :weekday, :task_required_users, :next_weekly_tasks_number,
-                        :if => :weekly_task
-  validates_numericality_of :next_weekly_tasks_number, :greater_than => 0, :less_than => 21, :only_integer => true,
-                            :if => :weekly_task
-  validates_length_of :task_description, maximum: 250
   validate :last_admin_on_earth, :on => :update
   before_destroy :check_last_admin_group
 
-  def self.weekdays
-    days = I18n.t('date.day_names')
-    (0..days.length-1).map {|i| [days[i], i.to_s]}
-  end
-
-  # Returns an Array with date-objects to represent the next weekly-tasks
-  def next_weekly_tasks
-    # our system starts from 0 (sunday) to 6 (saturday)
-    # get difference between groups weekday and now
-    diff = self.weekday - Time.now.wday 
-    if diff >= 0  
-      # weektask is in current week
-      nextTask = diff.day.from_now
-    else
-      # weektask is in the next week
-      nextTask = (diff + 7).day.from_now
-    end
-    # now generate the Array
-    nextTasks = Array.new
-    next_weekly_tasks_number.times do
-      nextTasks << nextTask.to_date
-      nextTask = 1.week.from_now(nextTask)
-    end
-    return nextTasks
-  end
-
-  def task_attributes(date)
-    {
-        :name => task_name,
-        :description => task_description,
-        :due_date => date,
-        :required_users => task_required_users,
-        :duration => task_duration,
-        :weekly => true
-    }
-  end
-
   protected
 
   # Check before destroy a group, if this is the last group with admin role

app/views/ordergroups/edit.html.haml

@@ -45,26 +45,6 @@
     = f.label :role_orders
     %br/
     = f.check_box :role_orders
-  %p
-    = f.label :weekly_task
-    %br/
-    = f.check_box :weekly_task
-  %p
-    = f.label :weekday
-    %br/
-    = f.text_field :weekday
-  %p
-    = f.label :task_name
-    %br/
-    = f.text_field :task_name
-  %p
-    = f.label :task_description
-    %br/
-    = f.text_field :task_description
-  %p
-    = f.label :task_required_users
-    %br/
-    = f.text_field :task_required_users
   %p
     = f.label :deleted_at
     %br/

app/views/ordergroups/index.html.haml

@@ -12,11 +12,6 @@
     %th Role Article Meta
     %th Role Finance
     %th Role Orders
-    %th Weekly Task
-    %th Weekday
-    %th Task Name
-    %th Task Description
-    %th Task Required Users
     %th Deleted At
     %th Contact Person
     %th Contact Phone
@@ -34,11 +29,6 @@
       %td= h ordergroup.role_article_meta
       %td= h ordergroup.role_finance
       %td= h ordergroup.role_orders
-      %td= h ordergroup.weekly_task
-      %td= h ordergroup.weekday
-      %td= h ordergroup.task_name
-      %td= h ordergroup.task_description
-      %td= h ordergroup.task_required_users
       %td= h ordergroup.deleted_at
       %td= h ordergroup.contact_person
       %td= h ordergroup.contact_phone

app/views/shared/_group.html.haml

@@ -13,13 +13,6 @@
     - members = group.users
     = "(#{members.size})"
     = members.collect(&:nick).join(", ")
-  - if group.is_a?(Workgroup)
-    %dt= t('.weekly_job') + ':'
-    %dd
-      - if group.weekly_task
-        =h "#{group.task_name} am #{weekday(group.weekday)}"
-      - else
-        = t '.no_weekly_job'
-  - else
+  - unless group.is_a?(Workgroup)
     %dt= t '.apple_limit'
     %dd= group.ignore_apple_restriction ? t('.deactivated') : t('.activated')

app/views/shared/_group_form_fields.html.haml

@@ -3,17 +3,6 @@
 
 = yield
 
-- if f.object.is_a?(Workgroup)
-  %h3= t '.title'
-  = f.input :weekly_task
-  #weekly_task_fields
-    = f.input :weekday, as: :select, collection: Workgroup.weekdays
-    = f.input :task_name
-    = f.input :task_required_users
-    = f.input :task_duration, :as => :select, :collection => (1..3)
-    = f.input :task_description, as: :text, input_html: {rows: 5}
-    = f.input :next_weekly_tasks_number
-
 = f.input :user_tokens, :as => :string,
   :input_html => { 'data-pre' => f.object.users.map { |u| u.token_attributes }.to_json }
 

app/views/tasks/_form.html.haml

@@ -25,5 +25,7 @@
   = f.input :due_date, as: :date_picker
   = f.input :done
   .form-actions
-    = f.submit class: 'btn'
+    = f.submit class: 'btn btn-primary'
+    - if @task.new_record?
+      = f.submit t('.submit.periodic'), name: 'periodic', class: 'btn'
     = link_to t('ui.or_cancel'), :back

app/views/tasks/_list.haml

@@ -2,6 +2,7 @@
   %thead
     %tr
       %th= t '.due_date'
+      %th
       %th= t '.task'
       %th{:colspan => '2'}
         = t '.who'
@@ -11,6 +12,9 @@
       - done = task.done ? " done" : ""
       %tr{:class => done }
         %td= format_date(task.due_date) unless task.due_date.nil?
+        %td
+          - if task.periodic?
+            %i.icon-repeat{title: t('tasks.repeated')}
         %td= link_to t('.task_format', name: task.name, duration: task.duration), task_path(task)
         %td
           = task_assignments task

app/views/tasks/show.haml

@@ -10,7 +10,10 @@
       %dd= simple_format(@task.description)
     - if @task.due_date.present?
       %dt= t '.due_date'
-      %dd= format_date(@task.due_date)
+      %dd 
+        = format_date(@task.due_date)
+        - if @task.periodic?
+          %i.icon-repeat{title: t('tasks.repeated')}
     %dt= t 'simple_form.labels.task.duration'
     %dd= t('.hours', count: @task.duration)
     %dt= t 'simple_form.labels.task.user_list'
@@ -29,3 +32,6 @@
   = link_to t('ui.edit'), edit_task_path(@task), class: 'btn'
   = link_to t('ui.delete'), task_path(@task), :method => :delete, :confirm => "Die Aufgabe wirklich löschen?",
     class: 'btn btn-danger'
+  - if @task.periodic?
+    = link_to t('.delete_group'), task_path(@task, periodic: true), method: :delete, 
+      confirm: t('.confirm_delete_group'), class: 'btn btn-danger'

app/views/tasks/workgroup.haml

@@ -1,16 +1,6 @@
 - title t('.title', workgroup: @group.name)
 = render 'nav'
 
-%section.well
-  %h3= t '.weekly.title'
-  - if @group.weekly_task
-    = t('.weekly.desc', weekday: weekday(@group.weekday), task: @group.task_name).html_safe
-  - else
-    = t('.weekly.empty').html_safe
-
-  - if @current_user.member_of?(@group) or @current_user.role_admin?
-    = link_to t('.weekly.edit'), edit_foodcoop_workgroup_path(@group), class: 'btn'
-
 %section
   %h3= t '.title_all'
   = render 'list', tasks: @group.open_tasks

app/views/workgroups/edit.html.haml

@@ -45,26 +45,6 @@
     = f.label :role_orders
     %br/
     = f.check_box :role_orders
-  %p
-    = f.label :weekly_task
-    %br/
-    = f.check_box :weekly_task
-  %p
-    = f.label :weekday
-    %br/
-    = f.text_field :weekday
-  %p
-    = f.label :task_name
-    %br/
-    = f.text_field :task_name
-  %p
-    = f.label :task_description
-    %br/
-    = f.text_field :task_description
-  %p
-    = f.label :task_required_users
-    %br/
-    = f.text_field :task_required_users
   %p
     = f.label :deleted_at
     %br/

app/views/workgroups/index.html.haml

@@ -12,11 +12,6 @@
     %th Role Article Meta
     %th Role Finance
     %th Role Orders
-    %th Weekly Task
-    %th Weekday
-    %th Task Name
-    %th Task Description
-    %th Task Required Users
     %th Deleted At
     %th Contact Person
     %th Contact Phone
@@ -34,11 +29,6 @@
       %td= h workgroup.role_article_meta
       %td= h workgroup.role_finance
       %td= h workgroup.role_orders
-      %td= h workgroup.weekly_task
-      %td= h workgroup.weekday
-      %td= h workgroup.task_name
-      %td= h workgroup.task_description
-      %td= h workgroup.task_required_users
       %td= h workgroup.deleted_at
       %td= h workgroup.contact_person
       %td= h workgroup.contact_phone

config/locales/de.yml

@@ -81,6 +81,11 @@ de:
         too_long: ist zu lang (nicht mehr als %{count} Zeichen)
         too_short: ist zu kurz (nicht weniger als %{count} Zeichen)
         wrong_length: hat die falsche Länge (muss genau %{count} Zeichen haben)
+      models:
+        task:
+          attributes:
+            done:
+              exclusion: erledigte Aufgaben können nicht wöchentlich wiederholt werden
       template:
         body: ! 'Bitte überprüfen Sie die folgenden Felder:'
         header:
@@ -1626,12 +1631,6 @@ de:
         role_finance: Finanzen
         role_orders: Bestellverwaltung
         role_suppliers: Lieferanten
-        task_description: Beschreibung
-        task_duration: Vor. Dauer in Stunden
-        task_name: Name für Job
-        task_required_users: Benötige Verantwortliche
-        weekday: Wochentag
-        weekly_task: Monatlichen Job definieren?
     'no': Nein
     required:
       mark: ! '*'
@@ -1756,12 +1755,15 @@ de:
       notice: Aufgabe wurde gelöscht
     edit:
       title: Aufgabe bearbeiten
+      warning_periodic: <strong>Warnung:</strong> Diese Aufgabe ist Teil einer Gruppe von <em>wöchentlichen Aufgaben</em>. Beim Speichern wird sie aus der Gruppe ausgeschlossen und in eine <em>gewöhnliche Aufgabe</em> umgewandelt.
     error_not_found: Keine Arbeitsgruppe gefunden
     form:
       search:
         hint: Nach Nutzerin suchen
         noresult: Keine Nutzerin gefunden
         placeholder: Suche ...
+      submit:
+        periodic: Wöchentliche Aufgabe speichern
     index:
       show_group_tasks: Gruppenaufgaben anzeigen
       title: Aufgaben
@@ -1785,10 +1787,13 @@ de:
       new_task: Neue Aufgabe erstellen
     new:
       title: Neue Aufgabe erstellen
+    repeated: Aufgabe wird wöchentlich wiederholt
     set_done:
       notice: Aufgabenstatus wurde aktualisiert
     show:
       accept_task: Aufgabe übernehmen
+      confirm_delete_group: Diese und alle folgenden wöchentlichen Aufgaben wirklich löschen?
+      delete_group: Aufgabe und folgende löschen
       due_date: Fälligkeitsdatum
       hours: ! '%{count}h'
       mark_done: Als erledigt markieren
@@ -1796,6 +1801,7 @@ de:
       title: Aufgabe anzeigen
     update:
       notice: Aufgabe wurde aktualisiert
+      notice_converted: Aufgabe wurde aktualisiert und in eine gewöhnliche Aufgabe umgewandelt
     user:
       more: Nichts zu tun? %{tasks_link} gibt es bestimmt Arbeit
       tasks_link: Hier
@@ -1805,11 +1811,6 @@ de:
     workgroup:
       title: Aufgaben für %{workgroup}
       title_all: Alle Aufgaben der Gruppe
-      weekly:
-        desc: ! '<p>Jeden <b>%{weekday}</b> hat diese Arbeitsgruppe folgenden Job: <b>%{task}</b></p> <p>Die Wochenaufgaben werden von der Foodsoft automatisch erstellt. Eintragen müsst Ihr Euch aber selber.</p>'
-        edit: Wöchentliche Aufgaben anpassen
-        empty: Noch keine Wochenaufgaben angelegt.
-        title: Wöchentliche Aufgaben
   time:
     am: vormittags
     formats:

config/locales/en.yml

@@ -81,6 +81,11 @@ en:
         too_long: is too long (no more than %{count} characters)
         too_short: is too short (use more than %{count} characters)
         wrong_length: is the wrong length (has to have exactly %{count} characters)
+      models:
+        task:
+          attributes:
+            done:
+              exclusion: finished tasks may not be repeated weekly
       template:
         body: ! 'Please check the following fields:'
         header:
@@ -1758,12 +1763,15 @@ en:
       notice: Task has been deleted
     edit:
       title: Edit task
+      warning_periodic: <strong>Warning:</strong> This task is part of a group of <em>weekly tasks</em>. When saving it will be excluded from the group and it will be converted to a <em>regular task</em>.
     error_not_found: No workgroup found
     form:
       search:
         hint: Search for user
         noresult: No user found
         placeholder: Search ...
+      submit:
+        periodic: Save weekly task
     index:
       show_group_tasks: Show group tasks
       title: Tasks
@@ -1787,10 +1795,13 @@ en:
       new_task: Create new task
     new:
       title: Create new tasks
+    repeated: Task is repeated weekly
     set_done:
       notice: The state of the task has been updated
     show:
       accept_task: Accept task
+      confirm_delete_group: Really delete this and all subsequent tasks?
+      delete_group: Delete task and subsequent
       due_date: Due date
       hours: ! '%{count}h'
       mark_done: Mark task as done
@@ -1798,6 +1809,7 @@ en:
       title: Show task
     update:
       notice: Task has been updated
+      notice_converted: Task has been updated and was converted to a regular task
     user:
       more: Nothing to do? %{tasks_link} are tasks for sure.
       tasks_link: Here

db/migrate/20130615073715_create_periodic_task_groups.rb

@@ -0,0 +1,13 @@
+class CreatePeriodicTaskGroups < ActiveRecord::Migration
+  def change
+    create_table :periodic_task_groups do |t|
+      t.date :next_task_date
+
+      t.timestamps
+    end
+
+    change_table :tasks do |t|
+      t.references :periodic_task_group
+    end
+  end
+end

db/migrate/20130622095040_move_weekly_tasks.rb

@@ -0,0 +1,60 @@
+class MoveWeeklyTasks < ActiveRecord::Migration
+  def up
+    Workgroup.where(weekly_task: true).each do |workgroup|
+      task_group = PeriodicTaskGroup.create
+      puts "Moving weekly task for workgroup #{workgroup.name} to group #{task_group.id}"
+      workgroup.tasks.undone.each do |task|
+        task.update_column(:periodic_task_group_id, task_group.id) if weekly_task?(workgroup, task)
+      end
+      tasks = task_group.tasks.order(:due_date)
+      task_group.next_task_date = tasks.last.due_date + PeriodicTaskGroup::PeriodDays unless tasks.empty?
+      task_group.save!
+      puts "Associated #{tasks.count} tasks with group and set next_task_date to #{task_group.next_task_date}"
+    end
+  end
+
+  def down
+    PeriodicTaskGroup.all.each do |task_group|
+      unless task_group.tasks.empty?
+        task = task_group.tasks.first
+        workgroup = task.workgroup
+        puts "Writing task data of group #{task_group.id} to workgroup #{workgroup.name}"
+        workgroup_attributes = {
+          weekly_task: true,
+          weekday: task.due_date.days_to_week_start(:sunday),
+          task_name: task.name,
+          task_description: task.description,
+          task_required_users: task.required_users,
+          task_duration: task.duration
+        }
+        workgroup.update_attributes workgroup_attributes
+        task_group.tasks.update_all weekly: true
+      end
+    end
+  end
+
+private
+  def weekly_task?(workgroup, task)
+    group_task = {
+      weekday: workgroup.weekday,
+      name: workgroup.task_name,
+      description: workgroup.task_description,
+      required_users: workgroup.task_required_users,
+      duration: workgroup.task_duration,
+      weekly: true,
+      done: false,
+      workgroup_id: workgroup.id
+    }
+    task_task = {
+      weekday: task.due_date.days_to_week_start(:sunday),
+      name: task.name,
+      description: task.description,
+      required_users: task.required_users,
+      duration: task.duration,
+      weekly: task.weekly,
+      done: task.done,
+      workgroup_id: task.workgroup_id
+    }
+    group_task == task_task
+  end
+end

db/migrate/20130624084223_remove_weekly_from_tasks.rb

@@ -0,0 +1,9 @@
+class RemoveWeeklyFromTasks < ActiveRecord::Migration
+  def up
+    remove_column :tasks, :weekly
+  end
+
+  def down
+    add_column :tasks, :weekly, :boolean
+  end
+end

db/migrate/20130624085246_remove_weekly_task_from_groups.rb

@@ -0,0 +1,19 @@
+class RemoveWeeklyTaskFromGroups < ActiveRecord::Migration
+  def up
+    remove_column :groups, :weekly_task
+    remove_column :groups, :weekday
+    remove_column :groups, :task_name
+    remove_column :groups, :task_description
+    remove_column :groups, :task_required_users
+    remove_column :groups, :task_duration
+  end
+
+  def down
+    add_column :groups, :task_duration, :integer
+    add_column :groups, :task_required_users, :integer
+    add_column :groups, :task_description, :string
+    add_column :groups, :task_name, :string
+    add_column :groups, :weekday, :integer
+    add_column :groups, :weekly_task, :boolean
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20121230142516) do
+ActiveRecord::Schema.define(:version => 20130624085246) do
 
   create_table "article_categories", :force => true do |t|
     t.string "name",        :default => "", :null => false
@@ -143,17 +143,11 @@ ActiveRecord::Schema.define(:version => 20121230142516) do
     t.boolean  "role_article_meta",                                      :default => false, :null => false
     t.boolean  "role_finance",                                           :default => false, :null => false
     t.boolean  "role_orders",                                            :default => false, :null => false
-    t.boolean  "weekly_task",                                            :default => false
-    t.integer  "weekday"
-    t.string   "task_name"
-    t.string   "task_description"
-    t.integer  "task_required_users",                                    :default => 1
     t.datetime "deleted_at"
     t.string   "contact_person"
     t.string   "contact_phone"
     t.string   "contact_address"
     t.text     "stats"
-    t.integer  "task_duration",                                          :default => 1
     t.integer  "next_weekly_tasks_number",                               :default => 8
     t.boolean  "ignore_apple_restriction",                               :default => false
   end
@@ -268,6 +262,12 @@ ActiveRecord::Schema.define(:version => 20121230142516) do
   add_index "pages", ["permalink"], :name => "index_pages_on_permalink"
   add_index "pages", ["title"], :name => "index_pages_on_title"
 
+  create_table "periodic_task_groups", :force => true do |t|
+    t.date     "next_task_date"
+    t.datetime "created_at",     :null => false
+    t.datetime "updated_at",     :null => false
+  end
+
   create_table "stock_changes", :force => true do |t|
     t.integer  "delivery_id"
     t.integer  "order_id"
@@ -308,16 +308,16 @@ ActiveRecord::Schema.define(:version => 20121230142516) do
   add_index "suppliers", ["name"], :name => "index_suppliers_on_name", :unique => true
 
   create_table "tasks", :force => true do |t|
-    t.string   "name",           :default => "",    :null => false
+    t.string   "name",                   :default => "",    :null => false
     t.string   "description"
     t.date     "due_date"
-    t.boolean  "done",           :default => false
+    t.boolean  "done",                   :default => false
     t.integer  "workgroup_id"
-    t.datetime "created_on",                        :null => false
-    t.datetime "updated_on",                        :null => false
-    t.integer  "required_users", :default => 1
-    t.boolean  "weekly"
-    t.integer  "duration",       :default => 1
+    t.datetime "created_on",                                :null => false
+    t.datetime "updated_on",                                :null => false
+    t.integer  "required_users",         :default => 1
+    t.integer  "duration",               :default => 1
+    t.integer  "periodic_task_group_id"
   end
 
   add_index "tasks", ["due_date"], :name => "index_tasks_on_due_date"

lib/tasks/foodsoft.rake

@@ -16,21 +16,6 @@ namespace :foodsoft do
     end
   end
 
-  desc "Create upcoming workgroups tasks (next 3 to 7 weeks)"
-  task :create_upcoming_weekly_tasks => :environment do
-    workgroups = Workgroup.where(weekly_task: true)
-    for workgroup in workgroups
-      puts "Create weekly tasks for #{workgroup.name}"
-      # Loop through next tasks weekly tasks method,
-      # skip the next 3 weeks, to allow manually deleting tasks
-      workgroup.next_weekly_tasks[3..-1].each do |date|
-        unless workgroup.tasks.exists?({:due_date => date, :weekly => true})
-          workgroup.tasks.create(workgroup.task_attributes(date))
-        end
-      end
-    end
-  end
-
   desc "Notify workgroup of upcoming weekly task"
   task :notify_users_of_weekly_task => :environment do
     for workgroup in Workgroup.all
@@ -50,4 +35,15 @@ namespace :foodsoft do
       end
     end
   end
+
+  desc "Create upcoming periodic tasks"
+  task :create_upcoming_periodic_tasks => :environment do
+    for tg in PeriodicTaskGroup.all
+      if tg.has_next_task?
+        while tg.next_task_date.nil? or tg.next_task_date < Date.today + 50
+          tg.create_next_task
+        end
+      end
+    end
+  end
 end