class MigrateCiEmails < ActiveRecord::Migration[4.2] include Gitlab::Database::MigrationHelpers def up # This inserts a new service: BuildsEmailService # It "manually" constructs the properties (JSON-encoded) # Migrating all ci_projects e-mail related columns execute( 'INSERT INTO services (project_id, type, created_at, updated_at, active, push_events, issues_events, merge_requests_events, tag_push_events, note_events, build_events, properties) ' \ "SELECT projects.id, 'BuildsEmailService', ci_services.created_at, ci_services.updated_at, " \ "#{true_value}, #{false_value}, #{false_value}, #{false_value}, #{false_value}, #{false_value}, #{true_value}, " \ "CONCAT('{\"notify_only_broken_builds\":\"', #{convert_bool('ci_projects.email_only_broken_builds')}, " \ "'\",\"add_pusher\":\"', #{convert_bool('ci_projects.email_add_pusher')}, " \ "'\",\"recipients\":\"', #{escape_text('ci_projects.email_recipients')}, " \ "'\"}') " \ 'FROM ci_services ' \ 'JOIN ci_projects ON ci_services.project_id = ci_projects.id ' \ 'JOIN projects ON ci_projects.gitlab_id = projects.id ' \ "WHERE ci_services.type = 'Ci::MailService' AND ci_services.active" ) end def down end # This function escapes double-quotes and slash def escape_text(name) if Gitlab::Database.postgresql? "REPLACE(REPLACE(#{name}, '\\', '\\\\'), '\"', '\\\"')" else "REPLACE(REPLACE(#{name}, '\\\\', '\\\\\\\\'), '\\\"', '\\\\\\\"')" end end # This function returns 0 or 1 for column def convert_bool(name) if Gitlab::Database.postgresql? # PostgreSQL uses BOOLEAN type "CASE WHEN #{name} IS TRUE THEN '1' ELSE '0' END" else # MySQL uses TINYINT "#{name}" end end end