couchrest_model/lib/couchrest.rb
Matt Aimonetti d6665e55ca Started on the ExtendedDocument class with features moved to mixins.
Properties got added, they define getters, setters and aliases.
They will also be the base of the new validation system.
2009-01-29 18:45:01 -08:00

143 lines
3.9 KiB
Ruby

# Copyright 2008 J. Chris Anderson
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
require "rubygems"
require 'json'
require 'rest_client'
$:.unshift File.dirname(__FILE__) unless
$:.include?(File.dirname(__FILE__)) ||
$:.include?(File.expand_path(File.dirname(__FILE__)))
require 'couchrest/monkeypatches'
# = CouchDB, close to the metal
module CouchRest
VERSION = '0.12.6'
autoload :Server, 'couchrest/core/server'
autoload :Database, 'couchrest/core/database'
autoload :Document, 'couchrest/core/document'
autoload :Design, 'couchrest/core/design'
autoload :View, 'couchrest/core/view'
autoload :Model, 'couchrest/core/model'
autoload :Pager, 'couchrest/helper/pager'
autoload :FileManager, 'couchrest/helper/file_manager'
autoload :Streamer, 'couchrest/helper/streamer'
autoload :ExtendedDocument, 'couchrest/more/extended_document'
require File.join(File.dirname(__FILE__), 'couchrest', 'mixins')
# The CouchRest module methods handle the basic JSON serialization
# and deserialization, as well as query parameters. The module also includes
# some helpers for tasks like instantiating a new Database or Server instance.
class << self
# todo, make this parse the url and instantiate a Server or Database instance
# depending on the specificity.
def new(*opts)
Server.new(*opts)
end
def parse url
case url
when /^http:\/\/(.*)\/(.*)\/(.*)/
host = $1
db = $2
docid = $3
when /^http:\/\/(.*)\/(.*)/
host = $1
db = $2
when /^http:\/\/(.*)/
host = $1
when /(.*)\/(.*)\/(.*)/
host = $1
db = $2
docid = $3
when /(.*)\/(.*)/
host = $1
db = $2
else
db = url
end
db = nil if db && db.empty?
{
:host => host || "127.0.0.1:5984",
:database => db,
:doc => docid
}
end
# set proxy for RestClient to use
def proxy url
RestClient.proxy = url
end
# ensure that a database exists
# creates it if it isn't already there
# returns it after it's been created
def database! url
parsed = parse url
cr = CouchRest.new(parsed[:host])
cr.database!(parsed[:database])
end
def database url
parsed = parse url
cr = CouchRest.new(parsed[:host])
cr.database(parsed[:database])
end
def put uri, doc = nil
payload = doc.to_json if doc
JSON.parse(RestClient.put(uri, payload))
end
def get uri
JSON.parse(RestClient.get(uri), :max_nesting => false)
end
def post uri, doc = nil
payload = doc.to_json if doc
JSON.parse(RestClient.post(uri, payload))
end
def delete uri
JSON.parse(RestClient.delete(uri))
end
def copy uri, destination
JSON.parse(RestClient.copy(uri, {'Destination' => destination}))
end
def move uri, destination
JSON.parse(RestClient.move(uri, {'Destination' => destination}))
end
def paramify_url url, params = {}
if params && !params.empty?
query = params.collect do |k,v|
v = v.to_json if %w{key startkey endkey}.include?(k.to_s)
"#{k}=#{CGI.escape(v.to_s)}"
end.join("&")
url = "#{url}?#{query}"
end
url
end
end # class << self
end