From f7f09cd9e5111417212ab8d0f8e0ba82f0f5864e Mon Sep 17 00:00:00 2001
From: MartinBraquet <martin.braquet@gmail.com>
Date: Sun, 28 Sep 2025 21:09:11 +0200
Subject: [PATCH] Send message to Discord when reaching 50, 100, ..., users

---
 backend/api/src/create-user.ts | 30 ++++++++++++++++++++++++++++--
 common/src/discord/core.ts     | 11 ++++++-----
 common/src/secrets.ts          |  3 ++-
 3 files changed, 36 insertions(+), 8 deletions(-)

diff --git a/backend/api/src/create-user.ts b/backend/api/src/create-user.ts
index bde7c0e6..44d60105 100644
--- a/backend/api/src/create-user.ts
+++ b/backend/api/src/create-user.ts
@@ -13,7 +13,7 @@ import {createSupabaseDirectClient} from 'shared/supabase/init'
 import {insert} from 'shared/supabase/utils'
 import {convertPrivateUser, convertUser} from 'common/supabase/users'
 import {getBucket} from "shared/firebase-utils";
-import {sendDiscordNewUser} from "common/discord/core";
+import {sendDiscordMessage} from "common/discord/core";
 
 export const createUser: APIHandler<'create-user'> = async (
   props,
@@ -130,10 +130,36 @@ export const createUser: APIHandler<'create-user'> = async (
       console.log('Failed to track create profile', e)
     }
     try {
-      await sendDiscordNewUser(user)
+      await sendDiscordMessage(
+        `**${user.name}** just created a profile at https://www.compassmeet.com/${user.username}`,
+        'members',
+      )
     } catch (e) {
       console.log('Failed to send discord new user', e)
     }
+    try {
+      const nProfiles = await pg.one<number>(
+        `SELECT count(*) FROM users`,
+        [],
+        (r) => Number(r.count)
+      )
+
+      const isMilestone = (n: number) => {
+        return (
+          [15, 20, 30, 40].includes(n) || // early milestones
+          n % 50 === 0
+        )
+      }
+      if (isMilestone(nProfiles)) {
+        await sendDiscordMessage(
+          `We just reached **${nProfiles}** total profiles! 🎉`,
+          'general',
+          )
+      }
+
+    } catch (e) {
+      console.log('Failed to send discord user milestone', e)
+    }
   }
 
   return {
diff --git a/common/src/discord/core.ts b/common/src/discord/core.ts
index 1d00cbbc..02dea8fc 100644
--- a/common/src/discord/core.ts
+++ b/common/src/discord/core.ts
@@ -1,14 +1,15 @@
-import {User} from "common/user";
-
-export const sendDiscordNewUser = async (user: User) => {
-  const webhookUrl = process.env.DISCORD_WEBHOOK_NEW_USERS
+export const sendDiscordMessage = async (content: string, channel: string) => {
+  const webhookUrl = {
+    members: process.env.DISCORD_WEBHOOK_MEMBERS,
+    general: process.env.DISCORD_WEBHOOK_GENERAL,
+  }[channel]
 
   if (!webhookUrl) return
 
   const response = await fetch(webhookUrl!, {
     method: 'POST',
     headers: {'Content-Type': 'application/json'},
-    body: JSON.stringify({content: `**${user.name}** just created a profile at https://www.compassmeet.com/${user.username}`}),
+    body: JSON.stringify({content}),
   })
 
   if (!response.ok) {
diff --git a/common/src/secrets.ts b/common/src/secrets.ts
index 06f4c1ae..fcdc22df 100644
--- a/common/src/secrets.ts
+++ b/common/src/secrets.ts
@@ -18,7 +18,8 @@ export const secrets = (
     'RESEND_KEY',
     'COMPASS_API_KEY',
     'NEXT_PUBLIC_FIREBASE_API_KEY',
-    'DISCORD_WEBHOOK_NEW_USERS',
+    'DISCORD_WEBHOOK_MEMBERS',
+    'DISCORD_WEBHOOK_GENERAL',
     // Some typescript voodoo to keep the string literal types while being not readonly.
   ] as const
 ).concat()