chore: Campaign ID migration for existing accounts (#2189)

* chore: Campaign ID migration for existing accounts

* chore: update factory

* chore: minor fixes

* chore: fixes

db/migrate/20210430095748_add_camp_dp_id_seq_for_existing_accounts.rb

@@ -0,0 +1,20 @@
+class AddCampDpIdSeqForExistingAccounts < ActiveRecord::Migration[6.0]
+  def up
+    ::Account.find_in_batches do |accounts_batch|
+      Rails.logger.info "migrated till #{accounts_batch.first.id}\n"
+      accounts_batch.each do |account|
+        display_id = account.campaigns.count
+        ActiveRecord::Base.connection.exec_query("create sequence IF NOT EXISTS camp_dpid_seq_#{account.id} START #{display_id + 1}")
+      end
+    end
+  end
+
+  def down
+    ::Account.find_in_batches do |accounts_batch|
+      Rails.logger.info "migrated till #{accounts_batch.first.id}\n"
+      accounts_batch.each do |account|
+        ActiveRecord::Base.connection.exec_query("drop sequence IF EXISTS camp_dpid_seq_#{account.id}")
+      end
+    end
+  end
+end

db/migrate/20210430100138_rename_campaign_content_to_message.rb

@@ -0,0 +1,5 @@
+class RenameCampaignContentToMessage < ActiveRecord::Migration[6.0]
+  def change
+    rename_column :campaigns, :content, :message
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2021_04_28_151147) do
+ActiveRecord::Schema.define(version: 2021_04_30_100138) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_stat_statements"
@@ -117,7 +117,7 @@ ActiveRecord::Schema.define(version: 2021_04_28_151147) do
     t.integer "display_id", null: false
     t.string "title", null: false
     t.text "description"
-    t.text "content", null: false
+    t.text "message", null: false
     t.integer "sender_id"
     t.boolean "enabled", default: true
     t.bigint "account_id", null: false