Implemented notifications.

src/database/database.js

@@ -1,6 +1,7 @@
 import config from '../config.js';
 import { fileModel } from './schemas/management/file.schema.js';
 import _ from 'lodash';
+import log4js from 'log4js';
 import {
   deleteAuditLog,
   distributeDelete,
@@ -8,9 +9,6 @@ import {
   modelHasRef,
   getFieldsByRef,
   getQueryToCacheKey,
-} from '../utils.js';
-import log4js from 'log4js';
-import {
   editAuditLog,
   distributeUpdate,
   newAuditLog,
@@ -19,6 +17,8 @@ import {
   distributeChildDelete,
   distributeChildNew,
   distributeStats,
+  editNotification,
+  deleteNotification,
 } from '../utils.js';
 import { getAllModels } from '../services/misc/model.js';
 import { redisServer } from './redis.js';
@@ -802,6 +802,20 @@ export const editObject = async ({ model, id, updateData, user, populate, recalc
       parentType,
       user
     );
+
+    if (
+      parentType !== 'notification' &&
+      parentType !== 'auditLog' &&
+      parentType !== 'userNotifier'
+    ) {
+      await editNotification(
+        previousExpandedObject,
+        { ...previousExpandedObject, ...updateData },
+        id,
+        parentType,
+        user
+      );
+    }
     // Distribute update
     await distributeUpdate(updateData, id, parentType);
     // Call childUpdate event for any child objects
@@ -878,6 +892,7 @@ export const newObject = async ({ model, newData, user = null }, distributeChang
     const created = expandObjectIds(result.toObject());
 
     await newAuditLog(newData, created._id, parentType, user);
+
     if (distributeChanges == true) {
       await distributeNew(created, parentType);
     }
@@ -922,7 +937,15 @@ export const deleteObject = async ({ model, id, user = null }, distributeChanges
 
     const deleted = expandObjectIds(result.toObject());
     // Audit log the deletion
-    await deleteAuditLog(deleted, id, parentType, user, 'delete');
+    await deleteAuditLog(deleted, id, parentType, user);
+
+    if (
+      parentType !== 'notification' &&
+      parentType !== 'auditLog' &&
+      parentType !== 'userNotifier'
+    ) {
+      await deleteNotification(deleted, id, parentType, user);
+    }
 
     if (distributeChanges == true) {
       await distributeDelete(deleted, parentType);

src/database/schemas/misc/notification.schema.js

@@ -0,0 +1,51 @@
+import mongoose from 'mongoose';
+import { generateId } from '../../utils.js';
+const { Schema } = mongoose;
+
+const notificationSchema = new mongoose.Schema({
+  _reference: { type: String, default: () => generateId()() },
+  user: {
+    type: Schema.Types.ObjectId,
+    ref: 'user',
+    required: true,
+  },
+  title: {
+    type: String,
+    required: true,
+  },
+  message: {
+    type: String,
+    required: true,
+  },
+  type: {
+    type: String,
+    required: true,
+    default: 'info',
+  },
+  read: {
+    type: Boolean,
+    default: false,
+  },
+  metadata: {
+    type: Object,
+    required: false,
+  },
+  createdAt: {
+    type: Date,
+    required: true,
+    default: Date.now,
+  },
+  updatedAt: {
+    type: Date,
+    required: true,
+    default: Date.now,
+  },
+});
+
+notificationSchema.virtual('id').get(function () {
+  return this._id;
+});
+
+notificationSchema.set('toJSON', { virtuals: true });
+
+export const notificationModel = mongoose.model('notification', notificationSchema);

src/database/schemas/misc/usernotifier.schema.js

@@ -0,0 +1,44 @@
+import mongoose from 'mongoose';
+import { generateId } from '../../utils.js';
+const { Schema } = mongoose;
+
+const userNotifierSchema = new mongoose.Schema({
+  _reference: { type: String, default: () => generateId()() },
+  user: {
+    type: Schema.Types.ObjectId,
+    ref: 'user',
+    required: true,
+  },
+  email: {
+    type: Boolean,
+    required: true,
+    default: false,
+  },
+  object: {
+    type: Schema.Types.ObjectId,
+    refPath: 'objectType',
+    required: true,
+  },
+  objectType: {
+    type: String,
+    required: true,
+  },
+  createdAt: {
+    type: Date,
+    required: true,
+    default: Date.now,
+  },
+  updatedAt: {
+    type: Date,
+    required: true,
+    default: Date.now,
+  },
+});
+
+userNotifierSchema.virtual('id').get(function () {
+  return this._id;
+});
+
+userNotifierSchema.set('toJSON', { virtuals: true });
+
+export const userNotifierModel = mongoose.model('userNotifier', userNotifierSchema);

src/database/schemas/models.js

@@ -16,6 +16,8 @@ import { auditLogModel } from './management/auditlog.schema.js';
 import { userModel } from './management/user.schema.js';
 import { noteTypeModel } from './management/notetype.schema.js';
 import { noteModel } from './misc/note.schema.js';
+import { notificationModel } from './misc/notification.schema.js';
+import { userNotifierModel } from './misc/usernotifier.schema.js';
 import { documentSizeModel } from './management/documentsize.schema.js';
 import { documentTemplateModel } from './management/documenttemplate.schema.js';
 import { hostModel } from './management/host.schema.js';
@@ -33,77 +35,243 @@ import { salesOrderModel } from './sales/salesorder.schema.js';
 
 // Map prefixes to models and id fields
 export const models = {
-  PRN: { model: printerModel, idField: '_id', type: 'printer', referenceField: '_reference' },
-  FIL: { model: filamentModel, idField: '_id', type: 'filament', referenceField: '_reference' },
-  GCF: { model: gcodeFileModel, idField: '_id', type: 'gcodeFile', referenceField: '_reference' },
-  JOB: { model: jobModel, idField: '_id', type: 'job', referenceField: '_reference' },
-  PRT: { model: partModel, idField: '_id', type: 'part', referenceField: '_reference' },
-  PRD: { model: productModel, idField: '_id', type: 'product', referenceField: '_reference' },
-  VEN: { model: vendorModel, idField: '_id', type: 'vendor', referenceField: '_reference' },
-  SJB: { model: subJobModel, idField: '_id', type: 'subJob', referenceField: '_reference' },
+  PRN: {
+    model: printerModel,
+    idField: '_id',
+    type: 'printer',
+    referenceField: '_reference',
+    label: 'Printer',
+  },
+  FIL: {
+    model: filamentModel,
+    idField: '_id',
+    type: 'filament',
+    referenceField: '_reference',
+    label: 'Filament',
+  },
+  GCF: {
+    model: gcodeFileModel,
+    idField: '_id',
+    type: 'gcodeFile',
+    referenceField: '_reference',
+    label: 'G-Code File',
+  },
+  JOB: { model: jobModel, idField: '_id', type: 'job', referenceField: '_reference', label: 'Job' },
+  PRT: {
+    model: partModel,
+    idField: '_id',
+    type: 'part',
+    referenceField: '_reference',
+    label: 'Part',
+  },
+  PRD: {
+    model: productModel,
+    idField: '_id',
+    type: 'product',
+    referenceField: '_reference',
+    label: 'Product',
+  },
+  VEN: {
+    model: vendorModel,
+    idField: '_id',
+    type: 'vendor',
+    referenceField: '_reference',
+    label: 'Vendor',
+  },
+  SJB: {
+    model: subJobModel,
+    idField: '_id',
+    type: 'subJob',
+    referenceField: '_reference',
+    label: 'Sub Job',
+  },
   FLS: {
     model: filamentStockModel,
     idField: '_id',
     type: 'filamentStock',
     referenceField: '_reference',
+    label: 'Filament Stock',
+  },
+  SEV: {
+    model: stockEventModel,
+    idField: '_id',
+    type: 'stockEvent',
+    referenceField: '_reference',
+    label: 'Stock Event',
+  },
+  SAU: {
+    model: stockAuditModel,
+    idField: '_id',
+    type: 'stockAudit',
+    referenceField: '_reference',
+    label: 'Stock Audit',
+  },
+  PTS: {
+    model: partStockModel,
+    idField: '_id',
+    type: 'partStock',
+    referenceField: '_reference',
+    label: 'Part Stock',
+  },
+  PDS: {
+    model: null,
+    idField: '_id',
+    type: 'productStock',
+    referenceField: '_reference',
+    label: 'Product Stock',
+  }, // No productStockModel found
+  ADL: {
+    model: auditLogModel,
+    idField: '_id',
+    type: 'auditLog',
+    referenceField: '_reference',
+    label: 'Audit Log',
+  },
+  USR: {
+    model: userModel,
+    idField: '_id',
+    type: 'user',
+    referenceField: '_reference',
+    label: 'User',
+  },
+  NTY: {
+    model: noteTypeModel,
+    idField: '_id',
+    type: 'noteType',
+    referenceField: '_reference',
+    label: 'Note Type',
+  },
+  NTE: {
+    model: noteModel,
+    idField: '_id',
+    type: 'note',
+    referenceField: '_reference',
+    label: 'Note',
+  },
+  NTF: {
+    model: notificationModel,
+    idField: '_id',
+    type: 'notification',
+    label: 'Notification',
+    referenceField: '_reference',
+  },
+  ONF: {
+    model: userNotifierModel,
+    idField: '_id',
+    type: 'userNotifier',
+    label: 'User Notifier',
+    referenceField: '_reference',
   },
-  SEV: { model: stockEventModel, idField: '_id', type: 'stockEvent', referenceField: '_reference' },
-  SAU: { model: stockAuditModel, idField: '_id', type: 'stockAudit', referenceField: '_reference' },
-  PTS: { model: partStockModel, idField: '_id', type: 'partStock', referenceField: '_reference' },
-  PDS: { model: null, idField: '_id', type: 'productStock', referenceField: '_reference' }, // No productStockModel found
-  ADL: { model: auditLogModel, idField: '_id', type: 'auditLog', referenceField: '_reference' },
-  USR: { model: userModel, idField: '_id', type: 'user', referenceField: '_reference' },
-  NTY: { model: noteTypeModel, idField: '_id', type: 'noteType', referenceField: '_reference' },
-  NTE: { model: noteModel, idField: '_id', type: 'note', referenceField: '_reference' },
   DSZ: {
     model: documentSizeModel,
     idField: '_id',
     type: 'documentSize',
+    label: 'Document Size',
     referenceField: '_reference',
   },
   DTP: {
     model: documentTemplateModel,
     idField: '_id',
     type: 'documentTemplate',
+    label: 'Document Template',
     referenceField: '_reference',
   },
   DPR: {
     model: documentPrinterModel,
     idField: '_id',
     type: 'documentPrinter',
+    label: 'Document Printer',
     referenceField: '_reference',
   },
   DJB: {
     model: documentJobModel,
     idField: '_id',
     type: 'documentJob',
+    label: 'Document Job',
     referenceField: '_reference',
   },
-  HST: { model: hostModel, idField: '_id', type: 'host', referenceField: '_reference' },
-  FLE: { model: fileModel, idField: '_id', type: 'file', referenceField: '_reference' },
+  HST: {
+    model: hostModel,
+    idField: '_id',
+    type: 'host',
+    referenceField: '_reference',
+    label: 'Host',
+  },
+  FLE: {
+    model: fileModel,
+    idField: '_id',
+    type: 'file',
+    referenceField: '_reference',
+    label: 'File',
+  },
   POR: {
     model: purchaseOrderModel,
     idField: '_id',
     type: 'purchaseOrder',
+    label: 'Purchase Order',
     referenceField: '_reference',
   },
   ODI: {
     model: orderItemModel,
     idField: '_id',
     type: 'orderItem',
+    label: 'Order Item',
     referenceField: '_reference',
   },
   COS: {
     model: courierServiceModel,
     idField: '_id',
     type: 'courierService',
+    label: 'Courier Service',
+    referenceField: '_reference',
+  },
+  COR: {
+    model: courierModel,
+    idField: '_id',
+    type: 'courier',
+    label: 'Courier',
+    referenceField: '_reference',
+  },
+  TXR: {
+    model: taxRateModel,
+    idField: '_id',
+    type: 'taxRate',
+    label: 'Tax Rate',
+    referenceField: '_reference',
+  },
+  TXD: {
+    model: taxRecordModel,
+    idField: '_id',
+    type: 'taxRecord',
+    label: 'Tax Record',
+    referenceField: '_reference',
+  },
+  SHP: {
+    model: shipmentModel,
+    idField: '_id',
+    type: 'shipment',
+    label: 'Shipment',
+    referenceField: '_reference',
+  },
+  INV: {
+    model: invoiceModel,
+    idField: '_id',
+    type: 'invoice',
+    label: 'Invoice',
+    referenceField: '_reference',
+  },
+  CLI: {
+    model: clientModel,
+    idField: '_id',
+    type: 'client',
+    label: 'Client',
+    referenceField: '_reference',
+  },
+  SOR: {
+    model: salesOrderModel,
+    idField: '_id',
+    type: 'salesOrder',
+    label: 'Sales Order',
     referenceField: '_reference',
   },
-  COR: { model: courierModel, idField: '_id', type: 'courier', referenceField: '_reference' },
-  TXR: { model: taxRateModel, idField: '_id', type: 'taxRate', referenceField: '_reference' },
-  TXD: { model: taxRecordModel, idField: '_id', type: 'taxRecord', referenceField: '_reference' },
-  SHP: { model: shipmentModel, idField: '_id', type: 'shipment', referenceField: '_reference' },
-  INV: { model: invoiceModel, idField: '_id', type: 'invoice', referenceField: '_reference' },
-  CLI: { model: clientModel, idField: '_id', type: 'client', referenceField: '_reference' },
-  SOR: { model: salesOrderModel, idField: '_id', type: 'salesOrder', referenceField: '_reference' },
 };

src/index.js

@@ -41,6 +41,8 @@ import {
   paymentRoutes,
   clientRoutes,
   salesOrderRoutes,
+  userNotifierRoutes,
+  notificationRoutes,
 } from './routes/index.js';
 import path from 'path';
 import * as fs from 'fs';
@@ -148,6 +150,8 @@ app.use('/payments', paymentRoutes);
 app.use('/clients', clientRoutes);
 app.use('/salesorders', salesOrderRoutes);
 app.use('/notes', noteRoutes);
+app.use('/usernotifiers', userNotifierRoutes);
+app.use('/notifications', notificationRoutes);
 
 // Start the application
 if (process.env.NODE_ENV !== 'test') {

src/routes/index.js

@@ -34,6 +34,8 @@ import paymentRoutes from './finance/payments.js';
 import clientRoutes from './sales/clients.js';
 import salesOrderRoutes from './sales/salesorders.js';
 import noteRoutes from './misc/notes.js';
+import userNotifierRoutes from './misc/usernotifiers.js';
+import notificationRoutes from './misc/notifications.js';
 
 export {
   userRoutes,
@@ -72,4 +74,6 @@ export {
   paymentRoutes,
   clientRoutes,
   salesOrderRoutes,
+  userNotifierRoutes,
+  notificationRoutes,
 };

src/routes/misc/notifications.js

@@ -0,0 +1,37 @@
+import express from 'express';
+import { isAuthenticated } from '../../keycloak.js';
+import {
+  listNotificationsRouteHandler,
+  markNotificationAsReadRouteHandler,
+  markAllNotificationsAsReadRouteHandler,
+  deleteNotificationRouteHandler,
+  deleteAllNotificationsRouteHandler,
+} from '../../services/misc/notifications.js';
+import { getFilter } from '../../utils.js';
+
+const router = express.Router();
+
+router.get('/', isAuthenticated, (req, res) => {
+  const { page = 1, limit = 50, sort = 'createdAt', order = 'descend' } = req.query;
+  const allowedFilters = ['user'];
+  const filter = getFilter(req.query, allowedFilters);
+  listNotificationsRouteHandler(req, res, page, limit, filter, sort, order);
+});
+
+router.put('/read-all', isAuthenticated, (req, res) => {
+  markAllNotificationsAsReadRouteHandler(req, res);
+});
+
+router.put('/:id/read', isAuthenticated, (req, res) => {
+  markNotificationAsReadRouteHandler(req, res);
+});
+
+router.delete('/', isAuthenticated, (req, res) => {
+  deleteAllNotificationsRouteHandler(req, res);
+});
+
+router.delete('/:id', isAuthenticated, (req, res) => {
+  deleteNotificationRouteHandler(req, res);
+});
+
+export default router;

src/routes/misc/usernotifiers.js

@@ -0,0 +1,37 @@
+import express from 'express';
+import { isAuthenticated } from '../../keycloak.js';
+import {
+  listUserNotifiersRouteHandler,
+  getUserNotifierRouteHandler,
+  newUserNotifierRouteHandler,
+  deleteUserNotifierRouteHandler,
+  editUserNotifierRouteHandler,
+} from '../../services/misc/usernotifiers.js';
+import { getFilter } from '../../utils.js';
+
+const router = express.Router();
+
+router.get('/', isAuthenticated, (req, res) => {
+  const { page, limit, property, search, sort, order } = req.query;
+  const allowedFilters = ['user', 'object', 'objectType'];
+  const filter = getFilter(req.query, allowedFilters);
+  listUserNotifiersRouteHandler(req, res, page, limit, property, filter, search, sort, order);
+});
+
+router.post('/', isAuthenticated, (req, res) => {
+  newUserNotifierRouteHandler(req, res);
+});
+
+router.get('/:id', isAuthenticated, (req, res) => {
+  getUserNotifierRouteHandler(req, res);
+});
+
+router.put('/:id', isAuthenticated, (req, res) => {
+  editUserNotifierRouteHandler(req, res);
+});
+
+router.delete('/:id', isAuthenticated, (req, res) => {
+  deleteUserNotifierRouteHandler(req, res);
+});
+
+export default router;

src/services/misc/notifications.js

@@ -0,0 +1,105 @@
+import config from '../../config.js';
+import { notificationModel } from '../../database/schemas/misc/notification.schema.js';
+import log4js from 'log4js';
+import { listObjects, editObject } from '../../database/database.js';
+
+const logger = log4js.getLogger('Notifications');
+logger.level = config.server.logLevel;
+
+export const listNotificationsRouteHandler = async (
+  req,
+  res,
+  page = 1,
+  limit = 50,
+  filter = {},
+  sort = 'createdAt',
+  order = 'descend'
+) => {
+  const userFilter = { ...filter, user: req.user._id };
+  const result = await listObjects({
+    model: notificationModel,
+    page,
+    limit,
+    filter: userFilter,
+    sort,
+    order,
+    populate: [],
+  });
+
+  if (result?.error) {
+    logger.error('Error listing notifications.');
+    res.status(result.code || 500).send(result);
+    return;
+  }
+
+  logger.debug(`List of notifications (Page ${page}, Limit ${limit}). Count: ${result.length}`);
+  res.send(result);
+};
+
+export const markNotificationAsReadRouteHandler = async (req, res) => {
+  const id = req.params.id;
+
+  const existing = await notificationModel.findById(id).lean();
+  if (!existing) {
+    return res.status(404).send({ error: 'Notification not found' });
+  }
+  if (String(existing.user) !== String(req.user._id)) {
+    return res.status(403).send({ error: 'Forbidden: you can only update your own notifications' });
+  }
+
+  const result = await editObject({
+    model: notificationModel,
+    id,
+    updateData: { read: true, updatedAt: new Date() },
+    user: req.user,
+  });
+
+  if (result?.error) {
+    logger.error('Error marking notification as read:', result.error);
+    return res.status(result.code || 500).send(result);
+  }
+
+  logger.debug(`Marked notification as read: ${id}`);
+  res.send(result);
+};
+
+export const markAllNotificationsAsReadRouteHandler = async (req, res) => {
+  try {
+    await notificationModel.updateMany(
+      { user: req.user._id, read: false },
+      { $set: { read: true, updatedAt: new Date() } }
+    );
+    logger.debug('Marked all notifications as read');
+    res.send({ status: 'ok' });
+  } catch (err) {
+    logger.error('Error marking all notifications as read:', err);
+    res.status(500).send({ error: 'Failed to mark all as read' });
+  }
+};
+
+export const deleteNotificationRouteHandler = async (req, res) => {
+  const id = req.params.id;
+
+  const existing = await notificationModel.findById(id).lean();
+  if (!existing) {
+    return res.status(404).send({ error: 'Notification not found' });
+  }
+  if (String(existing.user._id) !== String(req.user._id)) {
+    return res.status(403).send({ error: 'Forbidden: you can only delete your own notifications' });
+  }
+
+  await notificationModel.findByIdAndDelete(id);
+  logger.debug('Deleted notification:', id);
+  res.send({ status: 'ok' });
+};
+
+export const deleteAllNotificationsRouteHandler = async (req, res) => {
+  try {
+    await notificationModel.deleteMany({ user: req.user._id });
+    logger.debug('Deleted all notifications');
+    res.send({ status: 'ok' });
+  } catch (err) {
+    logger.error('Error deleting all notifications:', err);
+    res.status(500).send({ error: 'Failed to delete all notifications' });
+  }
+};

src/services/misc/usernotifiers.js

@@ -0,0 +1,146 @@
+import config from '../../config.js';
+import { userNotifierModel } from '../../database/schemas/misc/usernotifier.schema.js';
+import log4js from 'log4js';
+import {
+  deleteObject,
+  editObject,
+  getObject,
+  listObjects,
+  newObject,
+} from '../../database/database.js';
+
+const logger = log4js.getLogger('UserNotifiers');
+logger.level = config.server.logLevel;
+
+export const listUserNotifiersRouteHandler = async (
+  req,
+  res,
+  page = 1,
+  limit = 25,
+  property = '',
+  filter = {},
+  search = '',
+  sort = '',
+  order = 'ascend'
+) => {
+  const result = await listObjects({
+    model: userNotifierModel,
+    page,
+    limit,
+    property,
+    filter,
+    search,
+    sort,
+    order,
+    populate: ['user', 'object'],
+  });
+
+  if (result?.error) {
+    logger.error('Error listing user notifiers.');
+    res.status(result.code).send(result);
+    return;
+  }
+
+  logger.debug(`List of user notifiers (Page ${page}, Limit ${limit}). Count: ${result.length}`);
+  res.send(result);
+};
+
+export const getUserNotifierRouteHandler = async (req, res) => {
+  const id = req.params.id;
+  const result = await getObject({
+    model: userNotifierModel,
+    id,
+    populate: ['user', 'object'],
+  });
+  if (result?.error) {
+    logger.warn(`User notifier not found with supplied id.`);
+    return res.status(result.code).send(result);
+  }
+  logger.debug(`Retrieved user notifier with ID: ${id}`);
+  res.send(result);
+};
+
+export const newUserNotifierRouteHandler = async (req, res) => {
+  const newData = {
+    user: req.user._id,
+    object: req.body.object,
+    objectType: req.body.objectType,
+  };
+  const result = await newObject({
+    model: userNotifierModel,
+    newData,
+    user: req.user,
+  });
+  if (result.error) {
+    logger.error('No user notifier created:', result.error);
+    return res.status(result.code).send(result);
+  }
+
+  logger.debug(`New user notifier with ID: ${result._id}`);
+  res.send(result);
+};
+
+export const editUserNotifierRouteHandler = async (req, res) => {
+  const id = req.params.id;
+
+  const existing = await getObject({
+    model: userNotifierModel,
+    id,
+  });
+  if (existing?.error) {
+    return res.status(existing.code).send(existing);
+  }
+  if (String(existing.user._id) !== String(req.user._id)) {
+    return res.status(403).send({ error: 'Forbidden: you can only edit your own notifiers' });
+  }
+
+  const updateData = {
+    updatedAt: new Date(),
+    email: req.body.email,
+  };
+  const result = await editObject({
+    model: userNotifierModel,
+    id,
+    updateData,
+    user: req.user,
+  });
+
+  if (result.error) {
+    logger.error('Error editing user notifier:', result.error);
+    return res.status(result.code).send(result);
+  }
+
+  logger.debug(`Edited user notifier with ID: ${id}`);
+  res.send(result);
+};
+
+export const deleteUserNotifierRouteHandler = async (req, res) => {
+  const id = req.params.id;
+
+  const existing = await getObject({
+    model: userNotifierModel,
+    id,
+  });
+  if (existing?.error) {
+    return res.status(existing.code).send(existing);
+  }
+  if (String(existing.user._id) !== String(req.user._id)) {
+    return res.status(403).send({ error: 'Forbidden: you can only delete your own notifiers' });
+  }
+
+  const result = await deleteObject({
+    model: userNotifierModel,
+    id,
+    user: req.user,
+  });
+
+  if (result?.error) {
+    logger.error('No user notifier deleted:', result.error);
+    return res.status(result.code).send(result);
+  }
+
+  logger.info(`Successfully deleted user notifier ${id}`);
+  res.send({
+    status: 'ok',
+  });
+};

src/utils.js

@@ -1,11 +1,14 @@
 import { mongoose } from 'mongoose';
 import { auditLogModel } from './database/schemas/management/auditlog.schema.js';
+import { notificationModel } from './database/schemas/misc/notification.schema.js';
+import { userNotifierModel } from './database/schemas/misc/usernotifier.schema.js';
 import exifr from 'exifr';
 import { natsServer } from './database/nats.js';
 import log4js from 'log4js';
 import config from './config.js';
 import crypto from 'crypto';
 import canonicalize from 'canonical-json';
+import { getModelByName } from './services/misc/model.js';
 
 const logger = log4js.getLogger('Utils');
 logger.level = config.server.logLevel;
@@ -350,7 +353,11 @@ function getChangedValues(oldObj, newObj, old = false) {
   return changes;
 }
 
+const AUDIT_EXCLUDED_MODELS = ['notification', 'userNotifier'];
+
 async function newAuditLog(newValue, parentId, parentType, user) {
+  if (AUDIT_EXCLUDED_MODELS.includes(parentType)) return;
+
   // Filter out createdAt and updatedAt from newValue
   const filteredNewValue = { ...newValue };
   delete filteredNewValue.createdAt;
@@ -372,6 +379,8 @@ async function newAuditLog(newValue, parentId, parentType, user) {
 }
 
 async function editAuditLog(oldValue, newValue, parentId, parentType, user) {
+  if (AUDIT_EXCLUDED_MODELS.includes(parentType)) return;
+
   // Get only the changed values
   const changedOldValues = getChangedValues(oldValue, newValue, true);
   const changedNewValues = getChangedValues(oldValue, newValue, false);
@@ -398,7 +407,35 @@ async function editAuditLog(oldValue, newValue, parentId, parentType, user) {
   await distributeNew(auditLog._id, 'auditLog');
 }
 
+async function editNotification(oldValue, newValue, parentId, parentType, user) {
+  const model = getModelByName(parentType);
+  const objectName = oldValue?.name ?? newValue?.name ?? model?.label ?? parentType;
+  const changedOldValues = getChangedValues(oldValue, newValue, true);
+  const changedNewValues = getChangedValues(oldValue, newValue, false);
+
+  if (Object.keys(changedOldValues).length === 0 || Object.keys(changedNewValues).length === 0) {
+    return;
+  }
+
+  await notfiyObjectUserNotifiers(
+    parentId,
+    parentType,
+    `${objectName} edited by ${user?.firstName ?? 'unknown'} ${user?.lastName ?? ''}`,
+    `The ${parentType} ${parentId} has been updated.`,
+    'editObject',
+    {
+      old: changedOldValues,
+      new: changedNewValues,
+      objectType: parentType,
+      object: { _id: parentId },
+      user: { _id: user._id, firstName: user.firstName, lastName: user.lastName },
+    }
+  );
+}
+
 async function deleteAuditLog(deleteValue, parentId, parentType, user) {
+  if (AUDIT_EXCLUDED_MODELS.includes(parentType)) return;
+
   const auditLog = new auditLogModel({
     changes: {
       old: deleteValue,
@@ -415,6 +452,24 @@ async function deleteAuditLog(deleteValue, parentId, parentType, user) {
   await distributeNew(auditLog._id, 'auditLog');
 }
 
+async function deleteNotification(object, parentId, parentType, user) {
+  const model = getModelByName(parentType);
+  const objectName = oldValue?.name ?? newValue?.name ?? model?.label ?? parentType;
+  await notfiyObjectUserNotifiers(
+    parentId,
+    parentType,
+    `${objectName} deleted by ${user?.firstName ?? 'unknown'} ${user?.lastName ?? ''}`,
+    `The ${parentType} ${parentId} has been deleted.`,
+    'deleteObject',
+    {
+      object: object,
+      objectType: parentType,
+      object: { _id: parentId },
+      user: { _id: user._id, firstName: user.firstName, lastName: user.lastName },
+    }
+  );
+}
+
 async function getAuditLogs(idOrIds) {
   if (Array.isArray(idOrIds)) {
     return auditLogModel.find({ parent: { $in: idOrIds } }).populate('owner');
@@ -493,6 +548,27 @@ async function distributeChildNew(value, id, model) {
   }
 }
 
+async function notfiyObjectUserNotifiers(id, objectType, title, message, type = 'info', metadata) {
+  const userNotifiers = await userNotifierModel.find({ object: id, objectType: objectType });
+  for (const userNotifier of userNotifiers) {
+    await createNotification(userNotifier.user._id, title, message, type, metadata);
+  }
+}
+
+async function createNotification(user, title, message, type = 'info', metadata) {
+  const notification = new notificationModel({
+    user,
+    title,
+    message,
+    type,
+    metadata,
+  });
+  await notification.save();
+  const value = notification.toJSON ? notification.toJSON() : notification;
+  await natsServer.publish(`notifications.${user._id}`, value);
+  return notification;
+}
+
 function flatternObjectIds(object) {
   if (!object || typeof object !== 'object') {
     return object;
@@ -707,6 +783,8 @@ export {
   parseFilter,
   convertToCamelCase,
   newAuditLog,
+  editNotification,
+  deleteNotification,
   editAuditLog,
   deleteAuditLog,
   getAuditLogs,
@@ -719,6 +797,7 @@ export {
   distributeChildUpdate,
   distributeChildDelete,
   distributeChildNew,
+  notfiyObjectUserNotifiers,
   getFilter, // <-- add here
   convertPropertiesString,
   getFileMeta,