feat(notifications): add minimal notification entity and service

src/notifications/entities/notification.entity.ts

@@ -1,22 +1,9 @@
-import {
-  Entity,
-  PrimaryGeneratedColumn,
-  Column,
-  CreateDateColumn,
-  UpdateDateColumn,
-  ManyToOne,
-  JoinColumn,
-  Index,
-} from 'typeorm';
-import { User } from 'src/auth/entities/user.entity';
+import { Entity, PrimaryGeneratedColumn, Column, CreateDateColumn, UpdateDateColumn, Index } from 'typeorm';
+
 export enum NotificationType {
-  JOB_APPLICATION = 'job_application',
-  MESSAGE = 'message',
-  JOB_MATCH = 'job_match',
-  PAYMENT = 'payment',
-  SYSTEM = 'system',
   GENERAL = 'general',
-  JOB_STATUS_UPDATE = 'JOB_STATUS_UPDATE',
+  ALERT = 'alert',
+  INFO = 'info',
 }
 
 @Entity('notifications')
@@ -26,41 +13,18 @@ export class Notification {
   @PrimaryGeneratedColumn('uuid')
   id: string;
 
-  @Column({ type: 'varchar', length: 255 })
-  title: string;
+  @Column({ type: 'uuid' })
+  userId: string;
 
   @Column({ type: 'text' })
   message: string;
 
-  @Column({
-    type: 'enum',
-    enum: NotificationType,
-    default: NotificationType.GENERAL,
-  })
+  @Column({ type: 'enum', enum: NotificationType, default: NotificationType.GENERAL })
   type: NotificationType;
 
   @Column({ type: 'boolean', default: false })
   isRead: boolean;
 
-  @Column({ type: 'uuid' })
-  userId: string;
-
-  @ManyToOne(() => User, (user) => user.notifications, {
-    onDelete: 'CASCADE',
-    eager: false,
-  })
-  @JoinColumn({ name: 'userId' })
-  user: User;
-
-  @Column({ type: 'uuid', nullable: true })
-  relatedEntityId: string;
-
-  @Column({ type: 'varchar', length: 100, nullable: true })
-  relatedEntityType: string;
-
-  @Column({ type: 'json', nullable: true })
-  metadata: Record<string, any>;
-
   @CreateDateColumn()
   createdAt: Date;
 

src/notifications/notifications.module.ts

@@ -1,19 +1,10 @@
-import { Module, forwardRef } from '@nestjs/common';
+import { Module } from '@nestjs/common';
 import { TypeOrmModule } from '@nestjs/typeorm';
-import { NotificationsController } from './notifications.controller';
 import { NotificationsService } from './notifications.service';
 import { Notification } from './entities/notification.entity';
-import { AuthModule } from '../auth/auth.module';
-import { FeedModule } from 'src/feed/feed.module';
-import { ApplicationsModule } from 'src/applications/applications.module';
 
 @Module({
-  imports: [
-    ApplicationsModule,
-    TypeOrmModule.forFeature([Notification]),
-    forwardRef(() => AuthModule),
-  ],
-  controllers: [NotificationsController],
+  imports: [TypeOrmModule.forFeature([Notification])],
   providers: [NotificationsService],
   exports: [NotificationsService],
 })

src/notifications/notifications.service.ts

@@ -215,4 +215,17 @@ export class NotificationsService {
       where: { userId, isRead: false },
     });
   }
+
+  async createNotification(userId: string, message: string, type: NotificationType = NotificationType.GENERAL): Promise<Notification> {
+    const notification = this.notificationRepository.create({ userId, message, type });
+    return this.notificationRepository.save(notification);
+  }
+
+  async getUserNotifications(userId: string, limit = 20): Promise<Notification[]> {
+    return this.notificationRepository.find({
+      where: { userId },
+      order: { createdAt: 'DESC' },
+      take: limit,
+    });
+  }
 }