module CouchRest module Mixins module ClassProxy def self.included(base) base.extend(ClassMethods) end module ClassMethods # Return a proxy object which represents a model class on a # chosen database instance. This allows you to DRY operations # where a database is chosen dynamically. # # ==== Example: # # db = CouchRest::Database.new(...) # articles = Article.on(db) # # articles.all { ... } # articles.by_title { ... } # # u = articles.get("someid") # # u = articles.new(:title => "I like plankton") # u.save # saved on the correct database def on(database) Proxy.new(self, database) end end class Proxy #:nodoc: def initialize(klass, database) @klass = klass @database = database end # ExtendedDocument def new(*args) doc = @klass.new(*args) doc.database = @database doc end def method_missing(m, *args, &block) if has_view?(m) query = args.shift || {} view(m, query, *args, &block) else super end end # Mixins::DocumentQueries def all(opts = {}, &block) @klass.all({:database => @database}.merge(opts), &block) end def first(opts = {}) @klass.first({:database => @database}.merge(opts)) end def get(id) @klass.get(id, @database) end # Mixins::Views def has_view?(view) @klass.has_view?(view) end def view(name, query={}, &block) @klass.view(name, {:database => @database}.merge(query), &block) end def all_design_doc_versions @klass.all_design_doc_versions(@database) end def cleanup_design_docs! @klass.cleanup_design_docs!(@database) end # Mixins::DesignDoc def design_doc @klass.design_doc end def design_doc_fresh @klass.design_doc_fresh end def refresh_design_doc @klass.refresh_design_doc end def save_design_doc @klass.save_design_doc_on(@database) end end end end end