class CouchRest attr_accessor :uri, :uuid_batch_count def initialize server = 'http://localhost:5984', uuid_batch_count = 1000 @uri = server @uuid_batch_count = uuid_batch_count end # ensure that a database exists # creates it if it isn't already there # returns it after it's been created def self.database! url uri = URI.parse url path = uri.path uri.path = '' cr = CouchRest.new(uri.to_s) cr.database!(path) end def self.database url uri = URI.parse url path = uri.path uri.path = '' cr = CouchRest.new(uri.to_s) cr.database(path) end # list all databases on the server def databases CouchRest.get "#{@uri}/_all_dbs" end def database name CouchRest::Database.new(self, name) end # creates the database if it doesn't exist def database! name create_db(path) rescue nil database name end # get the welcome message def info CouchRest.get "#{@uri}/" end # create a database def create_db name CouchRest.put "#{@uri}/#{name}" database name end # restart the couchdb instance def restart! CouchRest.post "#{@uri}/_restart" end def next_uuid count = @uuid_batch_count @uuids ||= [] if @uuids.empty? @uuids = CouchRest.post("#{@uri}/_uuids?count=#{count}")["uuids"] end @uuids.pop end class << self 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 end