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utils/tagNotification.js

@@ -0,0 +1,36 @@
+const NotificationModel = require('../models/NotificationModel')
+const UserModel = require('../models/UserModel')
+
+const createTagNotifications = async ({ taggerId, taggedUserIds, postId }) => {
+  try {
+    if (!taggerId || !postId || !taggedUserIds?.length) return
+
+    const uniqueIds = [...new Set(taggedUserIds.map(String))].filter(
+      (id) => id !== String(taggerId)
+    )
+    if (!uniqueIds.length) return
+
+    const tagger = await UserModel.findById(taggerId).select('user_name')
+    const taggerUsername = tagger?.user_name || 'کاربر'
+    const message = `${taggerUsername} شما را در پستی نشانه‌گذاری کرد.`
+
+    await Promise.all(
+      uniqueIds.map((userId) =>
+        NotificationModel.create({
+          user_id: userId,
+          project_post_id: postId,
+          actor_id: taggerId,
+          type: 'post_tag',
+          title: message,
+          description: message
+        })
+      )
+    )
+  } catch (error) {
+    console.error('Error creating tag notifications:', error)
+  }
+}
+
+module.exports = {
+  createTagNotifications
+}