Merge pull request 'webhooks/integrations' (#142) from webhooks/integrations into main

Reviewed-on: #142

api/.env.example

@@ -21,7 +21,10 @@ CLIENT_URL= # This is whatever URL the client web app is served on
 CLIENT_DOMAIN= #whatever.com
 APPLICATION_VERSION= # Should match release tag
 APPLICATION_ENVIRONMENT= # dev / prod
-CONFIG_ID= # configures 
+CONFIG_ID= # config version 
+
+# webhooks/integrations
+DISCORD_APPLICATIONS_WEBHOOK=
 
 # Logger
 LOG_DEPTH= # normal / verbose / profiling

api/src/index.ts

@@ -83,6 +83,11 @@ const sessionOptions: session.SessionOptions = {
   cookie: cookieOptions
 }
 
+import { initializeDiscordIntegrations } from './services/integrations/discord';
+
+//event bus setup
+initializeDiscordIntegrations();
+
 app.use(session(sessionOptions));
 app.use(passport.authenticate('session'));
 

api/src/routes/applications.ts

@@ -12,6 +12,7 @@ import { Request, response, Response } from 'express';
 import { getUserRoles } from '../services/db/rolesService';
 import { requireLogin, requireRole } from '../middleware/auth';
 import { logger } from '../services/logging/logger';
+import { bus } from '../services/events/eventBus';
 
 //get CoC
 router.get('/coc', async (req: Request, res: Response) => {
@@ -45,36 +46,24 @@ router.get('/coc', async (req: Request, res: Response) => {
 
 
 // POST /application
-router.post('/', [requireLogin], async (req, res) => {
+router.post('/', [requireLogin], async (req: Request, res: Response) => {
   const memberID = req.user.id;
   const App = req.body?.App || {};
   const appVersion = 1;
 
   try {
-    req.profiler?.start('createApplication');
-    await createApplication(memberID, appVersion, JSON.stringify(App));
-    req.profiler?.end('createApplication');
+    let appID = await createApplication(memberID, appVersion, JSON.stringify(App));
 
-    req.profiler?.start('setUserState');
     await setUserState(memberID, MemberState.Applicant);
-    req.profiler?.end('setUserState');
 
     res.sendStatus(201);
 
-    // Log full route profiling
-    const summary = req.profiler?.summary();
-    if (summary) {
-      logger.info(
-        'profiling',
-        'POST /application completed',
-        {
-          memberID,
-          appVersion,
-          ...summary,
-        },
-        'profiling'
-      );
-    }
+    bus.emit("application.create", { application: appID, member_name: req.user.name, member_discord_id: req.user.discord_id || null })
+
+    logger.info('app', 'Application Posted', {
+      user: memberID,
+      app: appID
+    })
   } catch (err) {
     logger.error(
       'app',

api/src/routes/auth.ts

@@ -200,7 +200,7 @@ passport.deserializeUser(function (user, cb) {
 
             t = performance.now();
             const userResults = await con.query(
-                `SELECT id, name FROM members WHERE id = ?;`,
+                `SELECT id, name, discord_id FROM members WHERE id = ?;`,
                 [memberID]
             );
             timings.memberQuery = performance.now() - t;
@@ -210,6 +210,7 @@ passport.deserializeUser(function (user, cb) {
                 name: string;
                 roles: Role[];
                 state: MemberState;
+                discord_id?: string;
             } = userResults[0];
 
             t = performance.now();
@@ -259,6 +260,7 @@ declare global {
             user: {
                 id: number;
                 name: string;
+                discord_id: string;
                 roles: Role[];
                 state: MemberState;
             };

api/src/services/db/applicationService.ts

@@ -2,10 +2,19 @@ import { ApplicationListRow, ApplicationRow, CommentRow } from "@app/shared/type
 import pool from "../../db";
 import { error } from "console";
 
-export async function createApplication(memberID: number, appVersion: number, app: string) {
+/**
+ * Create an application in the db
+ * @param memberID 
+ * @param appVersion 
+ * @param app 
+ * @returns ID of the created application
+ */
+export async function createApplication(memberID: number, appVersion: number, app: string): Promise<number> {
   const sql = `INSERT INTO applications (member_id, app_version, app_data) VALUES (?, ?, ?);`;
   const params = [memberID, appVersion, JSON.stringify(app)]
-  return await pool.query(sql, params);
+
+  let result = await pool.query(sql, params);
+  return Number(result.insertId);
 }
 
 export async function getMemberApplication(memberID: number): Promise<ApplicationRow> {

api/src/services/events/eventBus.ts

@@ -0,0 +1,56 @@
+import { randomUUID } from "crypto";
+import { logger } from "../logging/logger";
+
+interface Event {
+    id: string
+    type: string
+    occurredAt: string
+    payload?: Record<string, any>
+}
+
+type EventHandler = (event: Event) => void | Promise<void>;
+
+class EventBus {
+    private handlers: Map<string, EventHandler[]> = new Map();
+
+    /**
+     * Register event listener
+     * @param type 
+     * @param handler 
+     */
+    on(type: string, handler: EventHandler) {
+        const handlers = this.handlers.get(type) ?? [];
+        handlers.push(handler);
+        this.handlers.set(type, handlers);
+    }
+
+    /**
+     * Emit event of given type
+     * @param type
+     * @param payload 
+     */
+    async emit(type: string, payload?: Record<string, any>) {
+        const event: Event = {
+            id: randomUUID(),
+            type,
+            occurredAt: new Date().toISOString(),
+            payload
+        }
+
+        const handlers = this.handlers.get(type) ?? []
+
+        for (const h of handlers) {
+            try {
+                await h(event)
+            } catch (error) {
+                logger.error('app', 'Event handler failed', {
+                    type: event.type,
+                    id: event.id,
+                    error: error instanceof Error ? error.message : String(error),
+                })
+            }
+        }
+    }
+}
+
+export const bus = new EventBus();

api/src/services/integrations/discord.ts

@@ -0,0 +1,32 @@
+import { bus } from "../events/eventBus";
+
+export function initializeDiscordIntegrations() {
+    bus.on('application.create', async (event) => {
+        let applicantName = event.payload.member_discord_id || event.payload.member_name;
+        if (event.payload.member_discord_id) {
+            applicantName = `<@${event.payload.member_discord_id}>`;
+        }
+        const link = `${process.env.CLIENT_URL}/administration/applications/${event.payload.application}`;
+
+        const embed = {
+            title: "Application Posted",
+            description: `[View Application](${link})`,
+            color: 0x00ff00, // optional: green color
+            timestamp: new Date().toISOString(), // <-- Discord expects ISO8601
+            fields: [
+                {
+                    name: "Submitted By",
+                    value: applicantName,
+                    inline: false,
+                },
+            ],
+        };
+
+        // send to Discord webhook
+        await fetch(process.env.DISCORD_APPLICATIONS_WEBHOOK!, {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({ embeds: [embed] }),
+        });
+    });
+}