define(['app/bb-todo/models/task'], function (Task) {
// Task Collection
// ---------------
var TaskList = Backbone.Collection.extend({
// Reference to this collection's model.
model: Task,
initialize: function() {
if(app.todo.params.storage === 'local'){
// Save all of the task items under the `"todos-backbone"` namespace.
this.localStorage = new Backbone.LocalStorage("todos-backbone");
}
if(app.todo.params.storage === 'server'){
// Collection's url
this.url = app.todo.params.serverStorage.urlRoot;
this.localStorage = null;
}
},
// Filter down the list of all task items that are finished.
done: function () {
return this.filter(function (task) {
return task.get('done');
});
},
// Filter down the list to only todo items that are still not finished.
remaining: function () {
return this.without.apply(this, this.done());
},
// We keep the TaskList in sequential order, despite being saved by unordered
// GUID in the database. This generates the next order number for new items.
nextOrder: function () {
if (!this.length) {
return 1;
}
return this.last().get('task_order') + 1;
},
// TaskList are sorted by their original insertion order.
comparator: function (task) {
return task.get('task_order');
},
// Create model
createModel: function (attributes, options) {
var opts = options || {};
var defaults = {
wait: true,
emulateHTTP: _.isUndefined(app.todo.params.serverStorage.emulateHTTP) ? false : app.todo.params.serverStorage.emulateHTTP,
success: function (collection, response, options) {
},
error: function (collection, xhr, options) {
app.sys.onFailure(xhr);
}
};
this.create(attributes, _.extend(defaults, opts));
},
// Fetch models
fetchModels: function (options) {
var opts = options || {};
var defaults = {
success: function (collection, response, options) {
},
error: function (collection, xhr, options) {
app.sys.onFailure(xhr);
}
};
this.fetch(_.extend(defaults, opts));
}
});
return TaskList;
});
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