database migration to event price category

config/locales/en.yml

@@ -315,4 +315,9 @@ en:
     type: "Type"
     revenue: "Revenue"
     male: "Man"
-    female: "Woman"
+    female: "Woman"
+
+  price_category:
+    # initial price's category for events, created to replace the old "reduced amount" property
+    reduced_fare: "Reduced fare"
+    reduced_fare_if_you_are_under_25_student_or_unemployed: "Reduced fare if you are under 25, student or unemployed."

config/locales/fr.yml

@@ -315,4 +315,9 @@ fr:
     type: "Type"
     revenue: "Chiffre d'affaires"
     male: "Homme"
-    female: "Femme"
+    female: "Femme"
+
+  price_category:
+    # catégorie initiale de prix pour les évènements, en remplacement de l'ancienne propriété "montant réduit"
+    reduced_fare: "Tarif réduit"
+    reduced_fare_if_you_are_under_25_student_or_unemployed: "Tarif réduit si vous avez moins de 25 ans, que vous êtes étudiant ou demandeur d'emploi."

db/migrate/20160830154719_migrate_event_reduced_amount_to_price_category.rb

@@ -0,0 +1,29 @@
+class MigrateEventReducedAmountToPriceCategory < ActiveRecord::Migration
+  def change
+    pc = PriceCategory.new(
+        name: I18n.t('price_category.reduced_fare'),
+        conditions: I18n.t('price_category.reduced_fare_if_you_are_under_25_student_or_unemployed')
+    )
+    pc.save!
+
+    Event.where.not(reduced_amount: nil).each do |event|
+      unless event.reduced_amount == 0 and event.amount == 0
+        epc = EventPriceCategory.new(
+            event: event,
+            price_category: pc,
+            amount: event.reduced_amount
+        )
+        epc.save!
+
+        Reservation.where(reservable_type: 'Event', reservable_id: event.id).where('nb_reserve_reduced_places > 0').each do |r|
+          t = Ticket.new(
+              reservation: r,
+              event_price_category: epc,
+              booked: r.nb_reserve_reduced_places
+          )
+          t.save!
+        end
+      end
+    end
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20160825141326) do
+ActiveRecord::Schema.define(version: 20160830154719) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"