Class: ActiveWrapper::Db
- Inherits:
-
Object
show all
- Defined in:
- lib/active_wrapper/db.rb
Instance Attribute Summary collapse
Instance Method Summary
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Constructor Details
#initialize(options) ⇒ Db
Returns a new instance of Db.
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# File 'lib/active_wrapper/db.rb', line 6
def initialize(options)
@base = options[:base]
if File.exists?(path = "#{base}/config/database.yml")
@config = YAML::load(File.open(path))
end
@env = options[:env].to_s
end
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Dynamic Method Handling
This class handles dynamic methods through the method_missing method
#method_missing(method, *args) ⇒ Object
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# File 'lib/active_wrapper/db.rb', line 86
def method_missing(method, *args)
ActiveRecord::Base.connection.send(method, *args)
end
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Instance Attribute Details
#base ⇒ Object
Returns the value of attribute base.
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# File 'lib/active_wrapper/db.rb', line 4
def base
@base
end
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#config ⇒ Object
Returns the value of attribute config.
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# File 'lib/active_wrapper/db.rb', line 4
def config
@config
end
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#env ⇒ Object
Returns the value of attribute env.
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# File 'lib/active_wrapper/db.rb', line 4
def env
@env
end
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Instance Method Details
#connected? ⇒ Boolean
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# File 'lib/active_wrapper/db.rb', line 14
def connected?
ActiveRecord::Base.connected?
end
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#create_db ⇒ Object
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# File 'lib/active_wrapper/db.rb', line 18
def create_db
establish_connection('database' => nil)
ActiveRecord::Base.connection.create_database config[env]['database']
establish_connection({})
end
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#drop_db ⇒ Object
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# File 'lib/active_wrapper/db.rb', line 24
def drop_db
establish_connection('database' => nil)
ActiveRecord::Base.connection.drop_database config[env]['database']
end
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#establish_connection(options = nil) ⇒ Object
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# File 'lib/active_wrapper/db.rb', line 29
def establish_connection(options=nil)
if !connected? || options
config_clone = Marshal.load(Marshal.dump(config))
config_clone[env].merge!(options || {})
ActiveRecord::Base.configurations = config_clone
ActiveRecord::Base.establish_connection(env)
end
end
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#generate_migration(name = nil) ⇒ Object
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# File 'lib/active_wrapper/db.rb', line 51
def generate_migration(name=nil)
redirect_stdout do
raise "Please specify desired migration name with NAME=my_migration_name" unless name
migration_name = name.strip.chomp
migrations_path = "#{base}/db/migrate"
migrations_template = File.expand_path("#{File.dirname(__FILE__)}/../../resources/migration.template")
if (existing_migrations = Dir[File.join(migrations_path, '*.rb')]).length > 0
version = File.basename(existing_migrations.sort.reverse.first)[/^(\d+)_/,1].to_i + 1
else
version = 1
end
migrations_template = File.read(migrations_template)
migration_content = migrations_template.gsub('__migration_name__', migration_name.camelize)
migration_content = migration_content.gsub('__migration_table__', migration_name)
migration_filename = "#{"%03d" % version}_#{migration_name}.rb"
File.open(File.join(migrations_path, migration_filename), "w+") do |migration|
migration.puts migration_content
end
puts "Successfully created migration #{migration_filename}"
end
end
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#migrate(version = nil) ⇒ Object
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# File 'lib/active_wrapper/db.rb', line 38
def migrate(version=nil)
redirect_stdout do
ActiveRecord::Migrator.migrate("#{base}/db/migrate", version)
end
end
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#migrate_reset ⇒ Object
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# File 'lib/active_wrapper/db.rb', line 44
def migrate_reset
redirect_stdout do
migrate(0)
migrate
end
end
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#redirect_stdout(&block) ⇒ Object
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# File 'lib/active_wrapper/db.rb', line 90
def redirect_stdout(&block)
if env == 'test'
stdout = $stdout
$stdout = File.new('/dev/null', 'w')
end
yield
if env == 'test'
$stdout = stdout
end
end
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