Merge pull request #160 from streamdevs/152-gitlab-mr-merged-to-route

feat: 'MergeRequestOpened' and 'MergeRequestMerged'

Author: orestes

src/reactions/gitlab/index.ts

@@ -0,0 +1,16 @@
+import { TwitchChat } from '../../services/TwitchChat';
+import { StreamLabs } from '../../services/StreamLabs';
+import { MergeRequestMerged } from './merge-request-merged';
+import { MergeRequestPayload } from '../../schemas/gitlab/merge-request-payload';
+import { MergeRequestOpened } from './merge-request-opened';
+import { Reaction } from '../github/reaction';
+
+export const buildGitLabReactions = (
+	twitchChat: TwitchChat,
+	streamlabs: StreamLabs,
+): Reaction<MergeRequestPayload>[] => {
+	return [
+		new MergeRequestMerged(twitchChat, streamlabs),
+		new MergeRequestOpened(twitchChat, streamlabs),
+	];
+};

src/routes/gitlab/index.ts

@@ -1,7 +1,12 @@
 import { ServerRoute, ResponseObject, Request, ResponseToolkit } from '@hapi/hapi';
 import { gitlabHeader } from '../../schemas/gitlab/joi/gitlab-headers-schema';
+import { buildGitLabReactions } from '../../reactions/gitlab';
+import { TwitchChat } from '../../services/TwitchChat';
+import { Config } from '../../config';
+import { StreamLabs } from '../../services/StreamLabs';
+import { MergeRequestPayload } from '../../schemas/gitlab/merge-request-payload';
 
-export const routes = (): ServerRoute[] => {
+export const routes = (config: Config): ServerRoute[] => {
 	return [
 		{
 			method: 'POST',
@@ -11,9 +16,31 @@ export const routes = (): ServerRoute[] => {
 				},
 			},
 			handler: async (request: Request, h: ResponseToolkit): Promise<ResponseObject> => {
-				const { headers } = request;
+				const { headers, payload } = (request as unknown) as {
+					headers: { 'x-gitlab-event': string };
+					payload: MergeRequestPayload;
+				};
 				const event = headers['x-gitlab-event'];
 
+				const twitchChat = new TwitchChat({
+					botName: config?.TWITCH_BOT_NAME || '',
+					botToken: config?.TWITCH_BOT_TOKEN || '',
+					channel: config?.TWITCH_BOT_CHANNEL || '',
+				});
+				const streamlabs = new StreamLabs({ token: config?.STREAMLABS_TOKEN || '' });
+
+				const reactions = buildGitLabReactions(twitchChat, streamlabs).filter((reaction) =>
+					reaction.canHandle({ event, payload, config }),
+				);
+
+				if (reactions.length > 0) {
+					const messages = await Promise.all(
+						reactions.map((reaction) => reaction.handle({ payload })),
+					);
+
+					return h.response({ messages }).code(200);
+				}
+
 				return h.response({ message: `Ignoring event: '${event}'` }).code(200);
 			},
 			path: '/gitlab',

src/routes/index.ts

@@ -4,5 +4,5 @@ import { routes as github } from './github';
 import { Config } from '../config';
 
 export const routes = (config: Config): ServerRoute[] => {
-	return [...github(config), ...gitlab()];
+	return [...github(config), ...gitlab(config)];
 };

test/routes/gitlab/merge-request-hook.spec.ts

@@ -0,0 +1,70 @@
+import { getConfig } from '../../../src/config';
+import { initServer } from '../../../src/server';
+import { StreamLabs } from '../../../src/services/StreamLabs';
+import { TwitchChat } from '../../../src/services/TwitchChat';
+import { MergeRequestPayloadBuilder } from '../../builders/payload/gitlab/merge-request-payload-builder';
+
+describe('POST /gitlab', () => {
+	let streamLabsSpy: jest.SpyInstance<Promise<void>>;
+	let twitchChatSpy: jest.SpyInstance<Promise<void>>;
+
+	beforeEach(() => {
+		streamLabsSpy = jest.spyOn(StreamLabs.prototype, 'alert');
+		streamLabsSpy.mockImplementationOnce(jest.fn());
+
+		twitchChatSpy = jest.spyOn(TwitchChat.prototype, 'send');
+		twitchChatSpy.mockImplementationOnce(jest.fn());
+	});
+
+	describe('Merge Request Hook', () => {
+		it('handles merge request merged event', async () => {
+			const subject = await initServer(getConfig());
+			const payload = new MergeRequestPayloadBuilder()
+				.with({ object_attributes: { state: 'merged' } })
+				.getInstance();
+
+			const { result } = await subject.inject({
+				method: 'POST',
+				url: '/gitlab',
+				payload,
+				headers: { 'x-gitlab-event': 'Merge Request Hook' },
+			});
+
+			expect(result).toEqual(
+				expect.objectContaining({
+					messages: [
+						expect.objectContaining({
+							twitchChat: expect.anything(),
+							streamlabs: expect.anything(),
+						}),
+					],
+				}),
+			);
+		});
+
+		it('handles merge request opened event', async () => {
+			const subject = await initServer(getConfig());
+			const payload = new MergeRequestPayloadBuilder()
+				.with({ object_attributes: { state: 'opened' } })
+				.getInstance();
+
+			const { result } = await subject.inject({
+				method: 'POST',
+				url: '/gitlab',
+				payload,
+				headers: { 'x-gitlab-event': 'Merge Request Hook' },
+			});
+
+			expect(result).toEqual(
+				expect.objectContaining({
+					messages: [
+						expect.objectContaining({
+							twitchChat: expect.anything(),
+							streamlabs: expect.anything(),
+						}),
+					],
+				}),
+			);
+		});
+	});
+});