Module: CouchPotato

Defined in:
lib/couch_potato.rb,
lib/couch_potato/railtie.rb,
lib/couch_potato/version.rb,
lib/couch_potato/database.rb,
lib/couch_potato/validation.rb,
lib/couch_potato/view/lists.rb,
lib/couch_potato/persistence.rb,
lib/couch_potato/rspec/matchers.rb,
lib/couch_potato/view/view_query.rb,
lib/couch_potato/persistence/json.rb,
lib/couch_potato/view/custom_views.rb,
lib/couch_potato/view/raw_view_spec.rb,
lib/couch_potato/view/base_view_spec.rb,
lib/couch_potato/view/model_view_spec.rb,
lib/couch_potato/persistence/callbacks.rb,
lib/couch_potato/view/custom_view_spec.rb,
lib/couch_potato/persistence/properties.rb,
lib/couch_potato/persistence/attachments.rb,
lib/couch_potato/persistence/type_caster.rb,
lib/couch_potato/view/properties_view_spec.rb,
lib/couch_potato/persistence/simple_property.rb,
lib/couch_potato/persistence/dirty_attributes.rb,
lib/couch_potato/persistence/ghost_attributes.rb,
lib/couch_potato/persistence/magic_timestamps.rb,
lib/couch_potato/rspec/matchers/map_to_matcher.rb,
lib/couch_potato/rspec/matchers/list_as_matcher.rb,
lib/couch_potato/forbidden_attributes_protection.rb,
lib/couch_potato/rspec/matchers/reduce_to_matcher.rb,
lib/couch_potato/persistence/deep_dirty_attributes.rb,
lib/couch_potato/persistence/deep_tracked_property.rb,
lib/couch_potato/persistence/active_model_compliance.rb,
lib/couch_potato/rspec/matchers/map_reduce_to_matcher.rb

Defined Under Namespace

Modules: Attachments, ForbiddenAttributesProtection, GhostAttributes, MagicTimestamps, Persistence, RSpec, Validation, View Classes: Conflict, Database, NotFound, Railtie

Constant Summary collapse

Config = 
Struct.new(:database_host, :database_name, :split_design_documents_per_view, :default_language).new
VERSION = 
"1.3.0"

Class Method Summary collapse

Class Method Details

.couchrest_database ⇒ Object

Returns the underlying CouchRest database object if you want low level access to your CouchDB. You have to set the CouchPotato::Config.database_name before this works.



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# File 'lib/couch_potato.rb', line 30

def self.couchrest_database
  @@__couchrest_database ||= CouchRest.database(full_url_to_database(CouchPotato::Config.database_name, CouchPotato::Config.database_host))
end

.couchrest_database_for_name(database_name) ⇒ Object

Returns a CouchRest-Database for directly accessing that functionality.



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# File 'lib/couch_potato.rb', line 55

def self.couchrest_database_for_name(database_name)
  CouchRest.database(full_url_to_database(database_name, CouchPotato::Config.database_host))
end

.couchrest_database_for_name!(database_name) ⇒ Object

Creates a CouchRest-Database for directly accessing that functionality.



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# File 'lib/couch_potato.rb', line 60

def self.couchrest_database_for_name!(database_name)
  CouchRest.database!(full_url_to_database(database_name))
end

.database ⇒ Object

Returns a database instance which you can then use to create objects and query views. You have to set the CouchPotato::Config.database_name before this works.



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# File 'lib/couch_potato.rb', line 25

def self.database
  @@__database ||= Database.new(self.couchrest_database)
end

.models ⇒ Object

returns all the classes that include the CouchPotato::Persistence module



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# File 'lib/couch_potato.rb', line 19

def self.models
  @models ||= []
  @models
end

.rails_init ⇒ Object 



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# File 'lib/couch_potato/railtie.rb', line 5

def self.rails_init
  path = Rails.root.join('config/couchdb.yml')
  if File.exist?(path)
    config = YAML::load(ERB.new(File.read(path)).result)[Rails.env]
    if config.is_a?(String)
      CouchPotato::Config.database_name = config
    else
      CouchPotato::Config.database_name = config['database']
      CouchPotato::Config.split_design_documents_per_view = config['split_design_documents_per_view'] if config['split_design_documents_per_view']
      CouchPotato::Config.default_language = config['default_language'] if config['default_language']
    end
  else
    Rails.logger.warn "Rails.root/config/couchdb.yml does not exist. Not configuring a database."
  end
end

.use(database_name) ⇒ Object

Returns a specific database instance



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

def self.use(database_name)
  @@__databases ||= {}
  @@__databases["#{database_name}"] = Database.new(couchrest_database_for_name!(database_name)) unless @@__databases["#{database_name}"]
  @@__databases["#{database_name}"]
end

.with_database(database_name) {|| ... } ⇒ Object

Executes a block of code and yields a datbase with the given name.

example:

CouchPotato.with_database('couch_customer') do |couch|
  couch.save @customer
end

Yields:

  • () 


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# File 'lib/couch_potato.rb', line 48

def self.with_database(database_name)
  @@__databases ||= {}
  @@__databases["#{database_name}"] = Database.new(couchrest_database_for_name(database_name)) unless @@__databases["#{database_name}"]
  yield(@@__databases["#{database_name}"])
end