94 lines
2.6 KiB
JavaScript
94 lines
2.6 KiB
JavaScript
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(function() {
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var methodMap = {
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'create': 'POST',
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'update': 'PUT',
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'delete': 'DELETE',
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'read' : 'GET'
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};
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var getUrl = function(object) {
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if (!(object && object.url)) return null;
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return _.isFunction(object.url) ? object.url() : object.url;
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};
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var urlError = function() {
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throw new Error("A 'url' property or function must be specified");
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};
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Backbone.sync = function(method, model, options) {
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var type = methodMap[method];
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// Default JSON-request options.
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var params = _.extend({
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type: type,
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dataType: 'json',
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beforeSend: function( xhr ) {
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var token = $('meta[name="csrf-token"]').attr('content');
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if (token) xhr.setRequestHeader('X-CSRF-Token', token);
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}
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}, options);
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if (!params.url) {
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params.url = getUrl(model) || urlError();
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}
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// Ensure that we have the appropriate request data.
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if (!params.data && model && (method == 'create' || method == 'update')) {
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params.contentType = 'application/json';
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var data = {}
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if(model.paramRoot) {
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data[model.paramRoot] = model.toJSON();
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} else {
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data = model.toJSON();
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}
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if (typeof(FormData) != 'undefined') { // XHR2
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var formData = new FormData();
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var _buildParams = function(prefix, obj, fn) { // code grabbed from jquery
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if (jQuery.isArray(obj)) {
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jQuery.each(obj, function(i, v) {
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if (/\[\]$/.test(prefix)) { // rbracket
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fn(prefix, v);
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} else {
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_buildParams(prefix + "[" + ( typeof v === "object" || jQuery.isArray(v) ? i : "" ) + "]", v, fn);
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}
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});
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} else if (obj != null && typeof obj === "object" && !(obj instanceof File)) {
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for (var name in obj) {
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_buildParams(prefix + "[" + name + "]", obj[name], fn);
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}
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} else {
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fn(prefix, obj);
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}
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}
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for (var prefix in data) {
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_buildParams(prefix, data[prefix], function(key, value) {
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// console.log('append ' + key + ', ' + value);
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if (value != null)
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formData.append(key, value);
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});
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}
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params.data = formData;
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params.processData = false;
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params.contentType = false;
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} else {
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params.data = JSON.stringify(data);
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}
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}
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// Don't process data on a non-GET request.
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if (params.type !== 'GET') {
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params.processData = false;
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}
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// Make the request.
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return $.ajax(params);
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}
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}).call(this);
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