AngularJS API Service

api.coffee

PlanApp.factory 'api', ($http) ->
  ###
	# Factory for handling api resources
	###
	
	class APIBuilder
		url: "#{window.location.protocol}//#{window.location.host}/api/v0/"

		registerModel: (name, extensions) =>
			if @[name]?
				throw new Error "Cannot create a model with that name"

			model = new BaseModel name

			for value, key in extensions 
				model[key] = value

			@[name] = model
	
	API = new APIBuilder()

	class BaseModel
		constructor: (name) ->
			@name = name	
			@cache =
				all:
					data: false
					stale: 0

		getAll: (cb, skipCache = false) ->
			if not @cache.all.data or Date.now() - @cache.all.stale > (1000 * 60 * 10) or skipCache
				$http.get("/api/v0/#{@name}")
				.success (data, status, headers, config) =>
					@cache.all.data = data
					@cache.all.stale = Date.now()

					cb?(false, data)

				.error (data, status, headers, config) ->
					cb?(data)
			else
				console.log "get from #{@name} cache", @cache.all.data
				cb?(false, @cache.all.data)

		get: (id, cb, skipCache = false) ->
			if not @cache[id]? or Date.now() - @cache[id].stale > (1000 * 60 * 10) or skipCache
				$http.get("/api/v0/#{@name}/#{id}")
				.success (data, status, headers, config) =>

					if not @cache[id]
						@cache[id] = {}

					@cache[id].data = data
					@cache[id].stale = Date.now()

					cb?(false, data)

				.error (data, status, headers, config) ->
					cb?(data)
			else
				cb?(false, @cache[id].data)

		create: (data, cb) ->
			$http.post("/api/v0/#{@name}", data)
			.success (data, status, headers, config) ->
				cb?(false, data)
			.error (data, status, headers, config) ->
				cb?(data)
	
	API = new APIBuilder()