From f0a7f3c59b4b73dac7c433a33429137a0aa3a0f8 Mon Sep 17 00:00:00 2001
From: Ana <anamma06@gmail.com>
Date: Mon, 15 Aug 2016 16:08:02 +0200
Subject: [PATCH] Validation in EventSchedule

Validation to avoid scheduling the same event twice for the same schedule.
---
 app/models/event_schedule.rb                             | 1 +
 db/migrate/20160815140302_add_index_to_event_schedule.rb | 5 +++++
 db/schema.rb                                             | 3 ++-
 3 files changed, 8 insertions(+), 1 deletion(-)
 create mode 100644 db/migrate/20160815140302_add_index_to_event_schedule.rb

diff --git a/app/models/event_schedule.rb b/app/models/event_schedule.rb
index dd69aec9..4f5e4940 100644
--- a/app/models/event_schedule.rb
+++ b/app/models/event_schedule.rb
@@ -7,6 +7,7 @@ class EventSchedule < ActiveRecord::Base
   validates :event, presence: true
   validates :room, presence: true
   validates :start_time, presence: true
+  validates :event, uniqueness: { scope: :schedule }
 
   scope :confirmed, -> { joins(:event).where('state = ?', 'confirmed') }
   scope :canceled, -> { joins(:event).where('state = ?', 'canceled') }
diff --git a/db/migrate/20160815140302_add_index_to_event_schedule.rb b/db/migrate/20160815140302_add_index_to_event_schedule.rb
new file mode 100644
index 00000000..51ee51d4
--- /dev/null
+++ b/db/migrate/20160815140302_add_index_to_event_schedule.rb
@@ -0,0 +1,5 @@
+class AddIndexToEventSchedule < ActiveRecord::Migration
+  def change
+    add_index :event_schedules, [:event_id, :schedule_id], unique: true
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 8494999a..b734a594 100644
--- a/db/schema.rb
+++ b/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: 20160704092023) do
+ActiveRecord::Schema.define(version: 20160815140302) do
 
   create_table "ahoy_events", force: :cascade do |t|
     t.uuid     "visit_id",   limit: 16
@@ -185,6 +185,7 @@ ActiveRecord::Schema.define(version: 20160704092023) do
     t.datetime "updated_at",  null: false
   end
 
+  add_index "event_schedules", ["event_id", "schedule_id"], name: "index_event_schedules_on_event_id_and_schedule_id", unique: true
   add_index "event_schedules", ["event_id"], name: "index_event_schedules_on_event_id"
   add_index "event_schedules", ["room_id"], name: "index_event_schedules_on_room_id"
   add_index "event_schedules", ["schedule_id"], name: "index_event_schedules_on_schedule_id"