Add "complete" callback support for updateShare

Signed-off-by: Daniel Calviño Sánchez <danxuliu@gmail.com>

core/js/shareitemmodel.js

@@ -208,6 +208,10 @@
 				url: this._getUrl('shares/' + encodeURIComponent(shareId)),
 				data: attrs,
 				dataType: 'json'
+			}).always(function() {
+				if (_.isFunction(options.complete)) {
+					options.complete(self);
+				}
 			}).done(function() {
 				self.fetch({
 					success: function() {

core/js/tests/specs/shareitemmodelSpec.js

@@ -737,6 +737,29 @@ describe('OC.Share.ShareItemModel', function() {
 				permissions: '' + (OC.PERMISSION_READ | OC.PERMISSION_SHARE)
 			});
 		});
+		it('calls complete handler before refreshing the model', function() {
+			var completeStub = sinon.stub();
+			model.updateShare(123, {
+				permissions: OC.PERMISSION_READ | OC.PERMISSION_SHARE
+			}, {
+				complete: completeStub
+			});
+
+			expect(fakeServer.requests.length).toEqual(1);
+			fakeServer.requests[0].respond(
+				200,
+				{ 'Content-Type': 'application/json' },
+				JSON.stringify({ })
+			);
+
+			expect(completeStub.calledOnce).toEqual(true);
+			expect(completeStub.lastCall.args[0]).toEqual(model);
+
+			fetchReshareDeferred.resolve(makeOcsResponse([]));
+			fetchSharesDeferred.resolve(makeOcsResponse([]));
+
+			expect(completeStub.calledOnce).toEqual(true);
+		});
 		it('calls success handler after refreshing the model', function() {
 			var successStub = sinon.stub();
 			model.updateShare(123, {
@@ -760,6 +783,34 @@ describe('OC.Share.ShareItemModel', function() {
 			expect(successStub.calledOnce).toEqual(true);
 			expect(successStub.lastCall.args[0]).toEqual(model);
 		});
+		it('calls complete handler before error handler', function() {
+			var completeStub = sinon.stub();
+			var errorStub = sinon.stub();
+			model.updateShare(123, {
+				permissions: OC.PERMISSION_READ | OC.PERMISSION_SHARE
+			}, {
+				complete: completeStub,
+				error: errorStub
+			});
+
+			expect(fakeServer.requests.length).toEqual(1);
+			fakeServer.requests[0].respond(
+				400,
+				{ 'Content-Type': 'application/json' },
+				JSON.stringify({
+					ocs: {
+						meta: {
+							message: 'Some error message'
+						}
+					}
+				})
+			);
+
+			expect(completeStub.calledOnce).toEqual(true);
+			expect(completeStub.lastCall.args[0]).toEqual(model);
+			expect(errorStub.calledOnce).toEqual(true);
+			expect(completeStub.calledBefore(errorStub)).toEqual(true);
+		});
 		it('calls error handler with error message', function() {
 			var errorStub = sinon.stub();
 			model.updateShare(123, {