Class: Sequel::RakeTasks

Inherits:
Rake::TaskLib
  • Object
show all
Includes:
Rake::DSL
Defined in:
lib/sequel_rake_tasks.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ RakeTasks

Returns a new instance of RakeTasks.



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# File 'lib/sequel_rake_tasks.rb', line 20

def initialize(options)
  @connection        = options[:connection]
  @connection_config = options[:connection_config]
  @migrator_klass    = options[:migrator]
  @migrations_dir    = options[:migrations_dir]
  @schema_file       = options[:schema_file]
  @seed_file         = options[:seed_file]
  @structure_file    = options[:structure_file]
  define_tasks
end

Instance Attribute Details

#connection ⇒ Object (readonly)

Returns the value of attribute connection.



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# File 'lib/sequel_rake_tasks.rb', line 12

def connection
  @connection
end

#connection_config ⇒ Object (readonly)

Returns the value of attribute connection_config.



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# File 'lib/sequel_rake_tasks.rb', line 12

def connection_config
  @connection_config
end

#migrations_dir ⇒ Object (readonly)

Returns the value of attribute migrations_dir.



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# File 'lib/sequel_rake_tasks.rb', line 12

def migrations_dir
  @migrations_dir
end

#migrator_klass ⇒ Object (readonly)

Returns the value of attribute migrator_klass.



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# File 'lib/sequel_rake_tasks.rb', line 12

def migrator_klass
  @migrator_klass
end

#schema_file ⇒ Object (readonly)

Returns the value of attribute schema_file.



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# File 'lib/sequel_rake_tasks.rb', line 12

def schema_file
  @schema_file
end

#seed_file ⇒ Object (readonly)

Returns the value of attribute seed_file.



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# File 'lib/sequel_rake_tasks.rb', line 12

def seed_file
  @seed_file
end

#structure_file ⇒ Object (readonly)

Returns the value of attribute structure_file.



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# File 'lib/sequel_rake_tasks.rb', line 12

def structure_file
  @structure_file
end

Instance Method Details

#db_commands ⇒ Object 



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# File 'lib/sequel_rake_tasks.rb', line 31

def db_commands
  @db_commands ||= MysqlDbCommands.new(connection_config)
end

#define_tasks ⇒ Object 



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# File 'lib/sequel_rake_tasks.rb', line 39

def define_tasks
  namespace :db do

    desc 'Setup the database.'
    task :setup => [:create, :migrate]

    desc 'Reset the database.'
    task :reset => [:drop, :setup]

    desc 'Create the database.'
    task :create do |t, args|
      db_commands.create_database
    end

    desc 'Drop the database.'
    task :drop do
      db_commands.drop_database
    end

    desc 'Load the seeds'
    task :seed do
      load(seed_file)
    end

    desc 'Migrate the database.'
    task :migrate do
      migrator.run
      Rake::Task['db:schema:dump'].invoke
    end

    namespace :schema do

      desc 'Dump the current database schema as a migration.'
      task :dump do
        connection.extension :schema_dumper
        text = connection.dump_schema_migration(same_db: false)
        text = text.gsub(/ +$/, '') # remove trailing whitespace
        File.open(schema_file, 'w') { |f| f.write(text) }
      end
    end

    namespace :structure do

      desc 'Load the database structure file'
      task :load do
        raise '`structure_file` option not defined!' unless structure_file
        db_commands.load_sql_file(structure_file)
      end

    end

  end
end

#migrator ⇒ Object 



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# File 'lib/sequel_rake_tasks.rb', line 35

def migrator
  @migrator ||= migrator_klass.new(connection, migrations_dir)
end