couchrest_model/lib/couchrest.rb

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# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with this
# work for additional information regarding copyright ownership. The ASF
# licenses this file to you 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.
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require "rubygems"
require 'json'
require 'rest_client'
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$:.unshift File.dirname(__FILE__) unless
$:.include?(File.dirname(__FILE__)) ||
$:.include?(File.expand_path(File.dirname(__FILE__)))
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require 'couchrest/monkeypatches'
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module CouchRest
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autoload :Server, 'couchrest/core/server'
autoload :Database, 'couchrest/core/database'
autoload :Pager, 'couchrest/helper/pager'
autoload :FileManager, 'couchrest/helper/file_manager'
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
# some helpers for tasks like instantiating a new Database or Server instance.
class << self
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# todo, make this parse the url and instantiate a Server or Database instance
# depending on the specificity.
def new(*opts)
Server.new(*opts)
end
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# ensure that a database exists
# creates it if it isn't already there
# returns it after it's been created
def database! url
uri = URI.parse url
path = uri.path
uri.path = ''
cr = CouchRest.new(uri.to_s)
cr.database!(path)
end
def database url
uri = URI.parse url
path = uri.path
uri.path = ''
cr = CouchRest.new(uri.to_s)
cr.database(path)
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 paramify_url url, params = nil
if params
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
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end