85 lines
2.7 KiB
Ruby
85 lines
2.7 KiB
Ruby
require "active_record"
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require 'yaml'
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namespace :db do
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namespace :jam_ruby do
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raise 'Set RAILS_ENV environment variable' if ENV['RAILS_ENV'].blank?
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db_config = YAML::load(File.open('config/database.yml'))[ENV['RAILS_ENV']]
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db_config_admin = db_config.merge({'database' => 'postgres', 'schema_search_path' => 'public'})
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desc "Create the database"
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task :create do
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ActiveRecord::Base.establish_connection(db_config_admin)
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ActiveRecord::Base.connection.create_database(db_config["database"])
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puts "#{ENV['RAILS_ENV']} database created."
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end
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desc "Migrate the database"
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task :migrate do
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version = ARGV[1]
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if !version.nil?
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version = version.to_i
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end
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ActiveRecord::Base.establish_connection(db_config)
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migrate_dir = JamRuby::DbUtil.migrations_path
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ActiveRecord::Migrator.migrate(migrate_dir, version)
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puts "#{ENV['RAILS_ENV']} database migrated."
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end
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desc "Rollback the database"
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task :rollback do
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steps = (ARGV[1] || "1").to_i
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ActiveRecord::Base.establish_connection(db_config)
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migrate_dir = JamRuby::DbUtil.migrations_path
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ActiveRecord::Migrator.rollback(migrate_dir, steps)
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puts "#{ENV['RAILS_ENV']} database migrated."
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end
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desc "Drop the database"
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task :drop do
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raise "can not drop production database" if ENV['RAILS_ENV'] == 'production'
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ActiveRecord::Base.establish_connection(db_config_admin)
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ActiveRecord::Base.connection.drop_database(db_config["database"])
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puts "#{ENV['RAILS_ENV']} database deleted."
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end
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desc "Reset the database"
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task :reset => [:drop, :create, :migrate]
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desc 'Create a db/schema.rb file that is portable against any DB supported by AR'
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task :schema do
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ActiveRecord::Base.establish_connection(db_config)
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require 'active_record/schema_dumper'
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filename = "db/schema.rb"
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File.open(filename, "w:utf-8") do |file|
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ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.connection, file)
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end
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end
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end
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namespace :g do
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desc "Generate migration"
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task :migration do
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name = ARGV[1] || raise("Specify name: rake db:g:migration your_migration")
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timestamp = Time.now.strftime("%Y%m%d%H%M%S")
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path = File.expand_path("../../../../../db/migrate/#{timestamp}_#{name}.rb", __FILE__)
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migration_class = name.split("_").map(&:capitalize).join
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File.open(path, 'w') do |file|
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file.write <<-EOF
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class #{migration_class} < ActiveRecord::Migration
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def self.up
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end
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def self.down
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end
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end
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EOF
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end
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puts "Migration #{path} created"
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abort # needed stop other tasks
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end
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end
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end |