Add push notifications for chat participants

dbTools/chat.js

@@ -27,6 +27,13 @@ const chatDB = (DB) => {
         };
     };
 
+    DB.getChatParticipants = async () => {
+        return DB.chatMessagesCol.distinct("senderProfileId").catch((err) => {
+            console.log(err);
+            return [];
+        });
+    };
+
     DB.getRecentChatMessages = async (limit = 100) => {
         const safeLimit = Math.min(Math.max(parseInt(limit, 10) || 100, 1), 200);
         const messages = await DB.chatMessagesCol.find({})

notifications.js

@@ -489,6 +489,26 @@ const Notifications = {
     // sendWebNotification(requesterProfile.webSubscription, notifBody);
     DB.addNotification(requesterProfile, notifBody, null, null, groupProfile._id);
   },
+  async youGotANewChatMessage(senderProfileId, messageText) {
+    const DB = await DBGetter.getDB;
+    const participants = await DB.getChatParticipants();
+    const senderProfile = await DB.getProfileCache(senderProfileId);
+    
+    const tokens = [];
+    for (const participantProfileId of participants) {
+      if (participantProfileId.toString() === senderProfileId.toString()) continue;
+      
+      const participantProfile = await DB.getProfileCache(participantProfileId);
+      if (participantProfile && Array.isArray(participantProfile.token)) {
+        tokens.push(...participantProfile.token);
+      }
+    }
+
+    if (tokens.length > 0) {
+      const notifBody = `${senderProfile.profile.firstName}: ${messageText.substring(0, 100)}${messageText.length > 100 ? '...' : ''}`;
+      sendPushNotification(tokens, notifBody, { type: 'chat' });
+    }
+  },
   
 }
 

routes/chat.js

@@ -2,6 +2,7 @@ var express = require('express');
 var router = express.Router();
 
 const DB = require("../mongoDB.js");
+const Notifications = require("../notifications.js");
 const { getUserId, getProfileId } = require("../utils/sessionUtils.js");
 const { normalizeLanguageCode, translateText } = require("../utils/chatTranslation.js");
 
@@ -190,6 +191,8 @@ DB.getDB.then((DB) => {
                 return res.status(500).json({ status: "Could not save message" });
             }
 
+            Notifications.youGotANewChatMessage(profileId, text);
+
             activeUsers.set(profileId + "", {
                 profileId: profileId + "",
                 userId: userId + "",