Module: Picasa::Album::ClassMethods

Includes:
Util
Defined in:
lib/picasa/album.rb

Overview

Class methods to be added to the class that will include this module.

Instance Method Summary collapse

Methods included from Util

#define_dependent_class_method, #define_dependent_class_methods, #define_static_dependent_class_method, #extract_auth_token, #raise_exception?

Instance Method Details

#belongs_to_picasa_user(params) ⇒ Object

Sets the user class configured so it can be used later.



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# File 'lib/picasa/album.rb', line 15

def belongs_to_picasa_user params
  unless params[:class_name] and params[:class_name].class == String
    raise Exception, 'You should pass the string of the class name that includes Picasa::User.'
  end
  
  define_dependent_class_methods :user_class, params[:class_name]
end

#has_many_picasa_photos(params) ⇒ Object

Method used to tell the gem what is the class that implements the Picasa::Photo module.



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# File 'lib/picasa/album.rb', line 26

def has_many_picasa_photos params
  unless params[:class_name] and params[:class_name].class == String
    raise Exception, 'You should pass the string of the class name that includes Picasa::Album.'
  end

  define_dependent_class_methods :photo_class, params[:class_name]      
end

#picasa_find(user_id, album_id, auth_token) ⇒ Object

Find an album by user_id and album_id. It’s mandatory to inform the authentication token. If no album is found, then an exception is raised.



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# File 'lib/picasa/album.rb', line 37

def picasa_find user_id, album_id, auth_token
  resp, data = Picasa::HTTP::Album.get_album user_id, album_id, auth_token
  
  if resp.code != "200" or resp.message != "OK"
    return nil
  end
  
  album = new
  album.send(:populate_attributes_from_xml, data)
  album.user = create_user user_id, auth_token
  album
end

#picasa_find_all(user_id, auth_token) ⇒ Object

Find an album by user_id and album_id. It’s mandatory to inform the authentication token. If no album is found, then an exception is raised.



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# File 'lib/picasa/album.rb', line 53

def picasa_find_all user_id, auth_token
  albums = []
  resp, data = Picasa::HTTP::Album.get_albums user_id, auth_token
  
  if resp.code != "200" or resp.message != "OK"
    return nil
  end
  
  doc = Nokogiri::XML(data)
  doc.css('entry').each do |entry|
    album = new
    album.send(:populate_attributes, entry)
    album.user = create_user user_id, auth_token
    albums << album
  end
  albums
end