139 lines
3.7 KiB
Ruby
139 lines
3.7 KiB
Ruby
# Copyright 2008 J. Chris Anderson
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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require "rubygems"
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require 'json'
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require 'rest_client'
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$:.unshift File.dirname(__FILE__) unless
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$:.include?(File.dirname(__FILE__)) ||
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$:.include?(File.expand_path(File.dirname(__FILE__)))
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require 'couchrest/monkeypatches'
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# = CouchDB, close to the metal
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module CouchRest
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VERSION = '0.12.4'
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autoload :Server, 'couchrest/core/server'
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autoload :Database, 'couchrest/core/database'
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autoload :Document, 'couchrest/core/document'
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autoload :Design, 'couchrest/core/design'
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autoload :View, 'couchrest/core/view'
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autoload :Model, 'couchrest/core/model'
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autoload :Pager, 'couchrest/helper/pager'
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autoload :FileManager, 'couchrest/helper/file_manager'
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autoload :Streamer, 'couchrest/helper/streamer'
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# The CouchRest module methods handle the basic JSON serialization
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# and deserialization, as well as query parameters. The module also includes
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# some helpers for tasks like instantiating a new Database or Server instance.
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class << self
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# todo, make this parse the url and instantiate a Server or Database instance
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# depending on the specificity.
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def new(*opts)
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Server.new(*opts)
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end
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def parse url
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case url
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when /^http:\/\/(.*)\/(.*)\/(.*)/
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host = $1
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db = $2
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docid = $3
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when /^http:\/\/(.*)\/(.*)/
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host = $1
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db = $2
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when /^http:\/\/(.*)/
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host = $1
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when /(.*)\/(.*)\/(.*)/
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host = $1
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db = $2
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docid = $3
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when /(.*)\/(.*)/
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host = $1
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db = $2
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else
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db = url
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end
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db = nil if db && db.empty?
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{
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:host => host || "127.0.0.1:5984",
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:database => db,
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:doc => docid
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}
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end
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# set proxy for RestClient to use
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def proxy url
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RestClient.proxy = url
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end
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# ensure that a database exists
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# creates it if it isn't already there
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# returns it after it's been created
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def database! url
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parsed = parse url
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cr = CouchRest.new(parsed[:host])
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cr.database!(parsed[:database])
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end
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def database url
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parsed = parse url
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cr = CouchRest.new(parsed[:host])
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cr.database(parsed[:database])
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end
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def put uri, doc = nil
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payload = doc.to_json if doc
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JSON.parse(RestClient.put(uri, payload))
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end
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def get uri
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JSON.parse(RestClient.get(uri), :max_nesting => false)
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end
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def post uri, doc = nil
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payload = doc.to_json if doc
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JSON.parse(RestClient.post(uri, payload))
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end
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def delete uri
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JSON.parse(RestClient.delete(uri))
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end
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def copy uri, destination
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JSON.parse(RestClient.copy(uri, {'Destination' => destination}))
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end
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def move uri, destination
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JSON.parse(RestClient.move(uri, {'Destination' => destination}))
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end
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def paramify_url url, params = {}
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if params && !params.empty?
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query = params.collect do |k,v|
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v = v.to_json if %w{key startkey endkey}.include?(k.to_s)
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"#{k}=#{CGI.escape(v.to_s)}"
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end.join("&")
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url = "#{url}?#{query}"
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end
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url
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end
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end # class << self
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end |