Created
August 30, 2011 09:25
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Custom Resource.js
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'use strict'; | |
angular.service('$FUEL', function($resource,$xhr){ | |
function Route(template, defaults) { | |
this.template = template = template + '#'; | |
this.defaults = defaults || {}; | |
var urlParams = this.urlParams = {}; | |
forEach(template.split(/\W/), function(param){ | |
if (param && template.match(new RegExp(":" + param + "\\W"))) { | |
urlParams[param] = true; | |
} | |
}); | |
} | |
Route.prototype = { | |
url: function(params) { | |
var self = this, | |
url = this.template, | |
encodedVal; | |
params = params || {}; | |
forEach(this.urlParams, function(_, urlParam){ | |
encodedVal = encodeUriSegment(params[urlParam] || self.defaults[urlParam] || ""); | |
url = url.replace(new RegExp(":" + urlParam + "(\\W)"), encodedVal + "$1"); | |
}); | |
url = url.replace(/\/?#$/, ''); | |
var query = []; | |
forEachSorted(params, function(value, key){ | |
if (!self.urlParams[key]) { | |
query.push(encodeUriQuery(key) + '=' + encodeUriQuery(value)); | |
} | |
}); | |
url = url.replace(/\/*$/, ''); | |
return url + (query.length ? '?' + query.join('&') : ''); | |
} | |
}; | |
function ResourceFactory(xhr) { | |
this.xhr = xhr; | |
} | |
ResourceFactory.DEFAULT_ACTIONS = { | |
'get': { | |
method:'GET' | |
}, | |
'save': { | |
method:'POST' | |
}, | |
'query': { | |
method:'GET', | |
isArray:true | |
}, | |
'remove': { | |
method:'DELETE' | |
}, | |
'delete': { | |
method:'DELETE' | |
} | |
}; | |
ResourceFactory.prototype = { | |
route: function(url, paramDefaults, actions){ | |
var self = this; | |
var route = new Route(url); | |
actions = extend({}, ResourceFactory.DEFAULT_ACTIONS, actions); | |
function extractParams(data){ | |
var ids = {}; | |
forEach(paramDefaults || {}, function(value, key){ | |
ids[key] = value.charAt && value.charAt(0) == '@' ? getter(data, value.substr(1)) : value; | |
}); | |
return ids; | |
} | |
function Resource(value){ | |
copy(value || {}, this); | |
} | |
forEach(actions, function(action, name){ | |
var isPostOrPut = action.method == 'POST' || action.method == 'PUT'; | |
Resource[name] = function (a1, a2, a3, a4) { | |
var params = {}; | |
var data; | |
var success = noop; | |
var error = null; | |
switch(arguments.length) { | |
case 4: | |
error = a4; | |
success = a3; | |
//fallthrough | |
case 3: | |
case 2: | |
if (isFunction(a2)) { | |
if (isFunction(a1)) { | |
success = a1; | |
error = a2; | |
break; | |
} | |
success = a2; | |
error = a3; | |
//fallthrough | |
} else { | |
params = a1; | |
data = a2; | |
success = a3; | |
break; | |
} | |
case 1: | |
if (isFunction(a1)) success = a1; | |
else if (isPostOrPut) data = a1; | |
else params = a1; | |
break; | |
case 0: | |
break; | |
default: | |
throw "Expected between 0-4 arguments [params, data, success, error], got " + | |
arguments.length + " arguments."; | |
} | |
var value = this instanceof Resource ? this : (action.isArray ? [] : new Resource(data)); | |
self.xhr( | |
action.method, | |
route.url(extend({}, action.params || {}, extractParams(data), params)), | |
data, | |
function(status, response) { | |
if (response) { | |
// by MA | |
console.log('$FUEL status,response',status,response); | |
// eo by MA | |
if (action.isArray) { | |
value.length = 0; | |
forEach(response, function(item) { | |
value.push(new Resource(item)); | |
}); | |
} else { | |
copy(response, value); | |
} | |
} | |
(success||noop)(value); | |
}, | |
error || action.verifyCache, | |
action.verifyCache); | |
return value; | |
}; | |
Resource.bind = function(additionalParamDefaults){ | |
return self.route(url, extend({}, paramDefaults, additionalParamDefaults), actions); | |
}; | |
Resource.prototype['$' + name] = function(a1, a2, a3) { | |
var params = extractParams(this), | |
success = noop, | |
error; | |
switch(arguments.length) { | |
case 3: | |
params = a1; | |
success = a2; | |
error = a3; | |
break; | |
case 2: | |
case 1: | |
if (isFunction(a1)) { | |
success = a1; | |
error = a2; | |
} else { | |
params = a1; | |
success = a2 || noop; | |
} | |
case 0: | |
break; | |
default: | |
throw "Expected between 1-3 arguments [params, success, error], got " + | |
arguments.length + " arguments."; | |
} | |
var data = isPostOrPut ? this : undefined; | |
Resource[name].call(this, params, data, success, error); | |
}; | |
}); | |
return Resource; | |
} | |
}; | |
/*angularServiceInject('$resource', function($xhr){ | |
var resource = new ResourceFactory($xhr); | |
return bind(resource, resource.route); | |
}, ['$xhr.cache']);*/ | |
var resource = new ResourceFactory($xhr); | |
return bind(resource, resource.route); | |
}); |
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