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@nakajijapan
Created September 28, 2012 11:40
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backbone-rails backbone_rails_sync.js
(function() {
var methodMap = {
'create': 'POST',
'update': 'PUT',
'delete': 'DELETE',
'read' : 'GET'
};
var getUrl = function(object) {
if (!(object && object.url)) return null;
return _.isFunction(object.url) ? object.url() : object.url;
};
var urlError = function() {
throw new Error("A 'url' property or function must be specified");
};
Backbone.sync = function(method, model, options) {
var type = methodMap[method];
// Default JSON-request options.
var params = _.extend({
type: type,
dataType: 'json',
beforeSend: function( xhr ) {
var token = $('meta[name="csrf-token"]').attr('content');
if (token) xhr.setRequestHeader('X-CSRF-Token', token);
model.trigger('sync:start');
}
}, options);
if (!params.url) {
params.url = getUrl(model) || urlError();
}
// Ensure that we have the appropriate request data.
if (!params.data && model && (method == 'create' || method == 'update')) {
params.contentType = 'application/json';
var data = {}
if(model.paramRoot) {
data[model.paramRoot] = model.toJSON();
} else {
data = model.toJSON();
}
params.data = JSON.stringify(data)
}
// Don't process data on a non-GET request.
if (params.type !== 'GET') {
params.processData = false;
}
// Trigger the sync end event
var complete = options.complete;
params.complete = function(jqXHR, textStatus) {
model.trigger('sync:end');
if (complete) complete(jqXHR, textStatus);
};
// Make the request.
return $.ajax(params);
}
}).call(this);
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