Renaming to CouchRest Model

Refactored basic directory structure.
Moved to ActiveSupport for Validations and Callbacks.
Cleaned up older code, and removed support for text property types.

lib/couchrest/model/document_queries.rb

@@ -0,0 +1,82 @@
+module CouchRest
+  module Model
+    module DocumentQueries
+      
+      def self.included(base)
+        base.extend(ClassMethods)
+      end
+      
+      module ClassMethods
+        
+        # Load all documents that have the "couchrest-type" field equal to the
+        # name of the current class. Take the standard set of
+        # CouchRest::Database#view options.
+        def all(opts = {}, &block)
+          view(:all, opts, &block)
+        end
+        
+        # Returns the number of documents that have the "couchrest-type" field
+        # equal to the name of the current class. Takes the standard set of 
+        # CouchRest::Database#view options
+        def count(opts = {}, &block)
+          all({:raw => true, :limit => 0}.merge(opts), &block)['total_rows']
+        end
+        
+        # Load the first document that have the "couchrest-type" field equal to
+        # the name of the current class.
+        #
+        # ==== Returns
+        # Object:: The first object instance available
+        # or
+        # Nil:: if no instances available
+        #
+        # ==== Parameters
+        # opts<Hash>::
+        # View options, see <tt>CouchRest::Database#view</tt> options for more info.
+        def first(opts = {})
+          first_instance = self.all(opts.merge!(:limit => 1))
+          first_instance.empty? ? nil : first_instance.first
+        end
+        
+        # Load a document from the database by id
+        # No exceptions will be raised if the document isn't found
+        #
+        # ==== Returns
+        # Object:: if the document was found
+        # or
+        # Nil::
+        # 
+        # === Parameters
+        # id<String, Integer>:: Document ID
+        # db<Database>:: optional option to pass a custom database to use
+        def get(id, db = database)
+          begin
+            get!(id, db)
+          rescue
+            nil
+          end
+        end
+        alias :find :get
+        
+        # Load a document from the database by id
+        # An exception will be raised if the document isn't found
+        #
+        # ==== Returns
+        # Object:: if the document was found
+        # or
+        # Exception
+        # 
+        # === Parameters
+        # id<String, Integer>:: Document ID
+        # db<Database>:: optional option to pass a custom database to use
+        def get!(id, db = database)
+          doc = db.get id
+          create_from_database(doc)
+        end
+        alias :find! :get!
+        
+      end
+      
+    end
+  end
+end