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Contents
# frozen_string_literal: true
require "declare_schema"
require "declare_schema/schema_change/all"
require "declare_schema/schema_change/column_remove"
require "generators/declare_schema/migration/migrator"
require "erb"
# This is a set of Rake tasks that can be used to generate migrations when using
# ActiveRecord, but not within a Rails application. If using Rails, you should
# use the built-in generators that come with the gem instead.
namespace :declare_schema do
desc 'Generate migrations for the database schema'
task :generate => 'db:load_config' do
up, down = Generators::DeclareSchema::Migration::Migrator.new(renames: {}).generate
if up.blank?
puts "Database and models match -- nothing to change"
return
end
puts "\n---------- Up Migration ----------"
puts up
puts "----------------------------------"
puts "\n---------- Down Migration --------"
puts down
puts "----------------------------------"
migration_root_directory = "db/migrate"
final_migration_name = Generators::DeclareSchema::Migration::Migrator.default_migration_name(Dir["#{migration_root_directory}/*declare_schema_migration*"])
migration_template = ERB.new(File.read(File.expand_path("../generators/declare_schema/migration/templates/migration.rb.erb", __dir__)))
@up = " #{up.strip.split("\n").join("\n ")}"
@down = " #{down.strip.split("\n").join("\n ")}"
@migration_class_name = final_migration_name.camelize
File.write("#{migration_root_directory}/#{Time.now.to_i}_#{final_migration_name.underscore}.rb", migration_template.result(binding))
end
end
Version data entries
49 entries across 49 versions & 1 rubygems