feat: added complaintAttachment entity

src/attachment/entities/attachment.entity.ts

@@ -1,6 +1,7 @@
 import { BaseEntity } from "src/common/entities/base.entity";
-import { Column, Entity } from "typeorm";
+import { Column, Entity, OneToOne } from "typeorm";
 import { AttachmentType } from "../enums/attachment-type.enum";
+import { ComplaintAttachment } from "src/complaint/entities/complaint-attachment.entity";
 
 @Entity('attachments')
 export class Attachment extends BaseEntity{
@@ -20,4 +21,7 @@ export class Attachment extends BaseEntity{
         type: 'text'
     })
     filepath: string;
+
+    @OneToOne(() => ComplaintAttachment, (ca) => ca.attachment)
+    complaint: ComplaintAttachment;
 }

src/complaint/complaint.module.ts

@@ -4,9 +4,10 @@ import { ComplaintController } from './complaint.controller';
 import { TypeOrmModule } from '@nestjs/typeorm';
 import { Complaint } from './entities/complaint.entity';
 import { ComplaintRepository } from './repositories/complaint.repository';
+import { ComplaintAttachment } from './entities/complaint-attachment.entity';
 
 @Module({
-  imports: [TypeOrmModule.forFeature([Complaint])],
+  imports: [TypeOrmModule.forFeature([Complaint, ComplaintAttachment])],
   controllers: [ComplaintController],
   providers: [ComplaintService, ComplaintRepository],
 })

src/complaint/entities/complaint-attachment.entity.ts

@@ -0,0 +1,18 @@
+import { BaseEntity } from "src/common/entities/base.entity";
+import { Entity, JoinColumn, ManyToOne, OneToOne, Unique } from "typeorm";
+import { Complaint } from "./complaint.entity";
+import { Attachment } from "src/attachment/entities/attachment.entity";
+
+@Entity('complaint_attachments')
+@Unique(['attachment'])
+export class ComplaintAttachment extends BaseEntity {
+    @ManyToOne(() => Complaint, (complaint) => complaint.attachments)
+    complaint: Complaint;
+
+    @OneToOne(() => Attachment, (a) => a.complaint, {
+        cascade: true,
+        onDelete: 'CASCADE'
+    })
+    @JoinColumn()
+    attachment: Attachment;
+}

src/complaint/entities/complaint.entity.ts

@@ -1,8 +1,9 @@
-import { Column, Entity, JoinColumn, ManyToOne, OneToOne } from 'typeorm';
+import { Column, Entity, JoinColumn, ManyToOne, OneToMany, OneToOne } from 'typeorm';
 import { ComplaintStatus } from '../enums/complaint.enum';
 import { User } from 'src/users/entities/user.entity';
 import { Organ } from 'src/organ/entities/organ.entity';
 import { BaseEntity } from 'src/common/entities/base.entity';
+import { ComplaintAttachment } from './complaint-attachment.entity';
 
 @Entity('complaints')
 export class Complaint extends BaseEntity {
@@ -41,4 +42,7 @@ export class Complaint extends BaseEntity {
     name: 'organId'
   })
   organ: Organ;
+
+  @OneToMany(() => ComplaintAttachment, (ca) => ca.complaint)
+  attachments: ComplaintAttachment[];
 }