added new tag entity

libs/common/src/modules/tag/dtos/tag.dto.ts

@@ -0,0 +1,19 @@
+import { IsNotEmpty, IsUUID, IsString } from 'class-validator';
+
+export class NewTagDto {
+  @IsString()
+  @IsNotEmpty()
+  public uuid: string;
+
+  @IsString()
+  @IsNotEmpty()
+  name: string;
+
+  @IsUUID()
+  @IsNotEmpty()
+  productId: string;
+
+  @IsUUID()
+  @IsNotEmpty()
+  projectId: string;
+}

libs/common/src/modules/tag/entities/index.ts

@@ -0,0 +1 @@
+export * from './tag.entity';

libs/common/src/modules/tag/entities/tag.entity.ts

@@ -0,0 +1,36 @@
+import { Entity, Column, ManyToOne, Unique } from 'typeorm';
+import { ProductEntity } from '../../product/entities';
+import { ProjectEntity } from '../../project/entities';
+import { AbstractEntity } from '../../abstract/entities/abstract.entity';
+import { NewTagDto } from '../dtos/tag.dto';
+
+@Entity({ name: 'tag' })
+@Unique(['name', 'project'])
+export class NewTagEntity extends AbstractEntity<NewTagDto> {
+  @Column({
+    type: 'uuid',
+    default: () => 'gen_random_uuid()',
+    nullable: false,
+  })
+  public uuid: string;
+
+  @Column()
+  name: string;
+
+  @ManyToOne(() => ProductEntity, (product) => product.tags, {
+    nullable: false,
+    onDelete: 'CASCADE',
+  })
+  public product: ProductEntity;
+
+  @ManyToOne(() => ProjectEntity, (project) => project.tags, {
+    nullable: false,
+    onDelete: 'CASCADE',
+  })
+  public project: ProjectEntity;
+
+  constructor(partial: Partial<NewTagEntity>) {
+    super();
+    Object.assign(this, partial);
+  }
+}