Change the column type of dojo_event_services.name to integer from string

Author: nalabjp

app/models/dojo_event_service.rb

@@ -1,3 +1,4 @@
 class DojoEventService < ApplicationRecord
   belongs_to :dojo
+  enum name: %i( connpass doorkeeper )
 end

db/migrate/20170820090605_change_column_type_dojo_event_services.rb

@@ -0,0 +1,9 @@
+class ChangeColumnTypeDojoEventServices < ActiveRecord::Migration[5.0]
+  def up
+    change_column :dojo_event_services, :name, :integer, null: false
+  end
+
+  def down
+    change_column :dojo_event_services, :name, :string, null: false
+  end
+end

db/schema.rb

@@ -10,11 +10,11 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20170820085052) do
+ActiveRecord::Schema.define(version: 20170820090605) do
 
   create_table "dojo_event_services", force: :cascade do |t|
     t.integer  "dojo_id",    null: false
-    t.string   "name",       null: false
+    t.integer  "name",       null: false
     t.string   "url"
     t.integer  "group_id",   null: false
     t.datetime "created_at", null: false

lib/statistics/aggregation.rb

@@ -2,8 +2,8 @@ module Statistics
   class Aggregation
     class << self
       def run(date:)
-        cnps_dojos = Dojo.joins(:dojo_event_service).where(dojo_event_services: { name: 'connpass' }).to_a
-        drkp_dojos = Dojo.joins(:dojo_event_service).where(dojo_event_services: { name: 'doorkeeper' }).to_a
+        cnps_dojos = Dojo.joins(:dojo_event_service).where(dojo_event_services: { name: :connpass }).to_a
+        drkp_dojos = Dojo.joins(:dojo_event_service).where(dojo_event_services: { name: :doorkeeper }).to_a
 
         Connpass.run(cnps_dojos, date)
         Doorkeeper.run(drkp_dojos, date)

spec/lib/statistics/aggregation_spec.rb

@@ -20,8 +20,8 @@
     before do
       d1 = Dojo.create(name: 'Dojo1', email: 'info@dojo1.com', description: 'CoderDojo1', tags: %w(CoderDojo1), url: 'https://dojo1.com')
       d2 = Dojo.create(name: 'Dojo2', email: 'info@dojo2.com', description: 'CoderDojo2', tags: %w(CoderDojo2), url: 'https://dojo2.com')
-      DojoEventService.create(dojo_id: d1.id, name: 'connpass', group_id: 9876)
-      DojoEventService.create(dojo_id: d2.id, name: 'doorkeeper', group_id: 5555)
+      DojoEventService.create(dojo_id: d1.id, name: :connpass, group_id: 9876)
+      DojoEventService.create(dojo_id: d2.id, name: :doorkeeper, group_id: 5555)
     end
 
     subject { Statistics::Aggregation.run(date: Time.current) }