251122:1700 Phase 4

backend/src/modules/drawing/entities/shop-drawing.entity.ts

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+import {
+  Entity,
+  PrimaryGeneratedColumn,
+  Column,
+  CreateDateColumn,
+  UpdateDateColumn,
+  DeleteDateColumn,
+  OneToMany,
+  ManyToOne,
+  JoinColumn,
+} from 'typeorm';
+import { ShopDrawingRevision } from './shop-drawing-revision.entity';
+import { Project } from '../../project/entities/project.entity';
+import { ShopDrawingMainCategory } from './shop-drawing-main-category.entity';
+import { ShopDrawingSubCategory } from './shop-drawing-sub-category.entity';
+
+@Entity('shop_drawings')
+export class ShopDrawing {
+  @PrimaryGeneratedColumn()
+  id!: number; // เติม !
+
+  @Column({ name: 'project_id' })
+  projectId!: number; // เติม !
+
+  @Column({ name: 'drawing_number', length: 100, unique: true })
+  drawingNumber!: string; // เติม !
+
+  @Column({ length: 500 })
+  title!: string; // เติม !
+
+  @Column({ name: 'main_category_id' })
+  mainCategoryId!: number; // เติม !
+
+  @Column({ name: 'sub_category_id' })
+  subCategoryId!: number; // เติม !
+
+  @CreateDateColumn({ name: 'created_at' })
+  createdAt!: Date; // เติม !
+
+  @UpdateDateColumn({ name: 'updated_at' })
+  updatedAt!: Date; // เติม !
+
+  @DeleteDateColumn({ name: 'deleted_at' })
+  deletedAt?: Date; // nullable
+
+  @Column({ name: 'updated_by', nullable: true })
+  updatedBy?: number; // nullable
+
+  // --- Relations ---
+
+  @ManyToOne(() => Project)
+  @JoinColumn({ name: 'project_id' })
+  project!: Project; // เติม ! (ตัวที่ error)
+
+  @ManyToOne(() => ShopDrawingMainCategory)
+  @JoinColumn({ name: 'main_category_id' })
+  mainCategory!: ShopDrawingMainCategory; // เติม !
+
+  @ManyToOne(() => ShopDrawingSubCategory)
+  @JoinColumn({ name: 'sub_category_id' })
+  subCategory!: ShopDrawingSubCategory; // เติม !
+
+  @OneToMany(() => ShopDrawingRevision, (revision) => revision.shopDrawing, {
+    cascade: true,
+  })
+  revisions!: ShopDrawingRevision[]; // เติม !
+}