Add space DTO, entity, repository, and module

libs/common/src/modules/space/dtos/index.ts

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+export * from './space.dto';

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

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+import { IsNotEmpty, IsString } from 'class-validator';
+
+export class SpaceDto {
+  @IsString()
+  @IsNotEmpty()
+  public uuid: string;
+
+  @IsString()
+  @IsNotEmpty()
+  public parentUuid: string;
+
+  @IsString()
+  @IsNotEmpty()
+  public spaceName: string;
+
+  @IsString()
+  @IsNotEmpty()
+  public spaceTypeUuid: string;
+}

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

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+export * from './space.entity';

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

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+import { Column, Entity, ManyToOne, OneToMany } from 'typeorm';
+import { SpaceDto } from '../dtos';
+import { AbstractEntity } from '../../abstract/entities/abstract.entity';
+import { SpaceTypeEntity } from '../../space-type/entities';
+
+@Entity({ name: 'space' })
+export class SpaceEntity extends AbstractEntity<SpaceDto> {
+  @Column({
+    type: 'uuid',
+    default: () => 'gen_random_uuid()', // Use gen_random_uuid() for default value
+    nullable: false,
+  })
+  public uuid: string;
+
+  @Column({
+    nullable: false,
+  })
+  parentUuid: string;
+
+  @Column({
+    nullable: false,
+  })
+  public spaceName: string;
+  @ManyToOne(() => SpaceEntity, (space) => space.children, { nullable: true })
+  parent: SpaceEntity;
+
+  @OneToMany(() => SpaceEntity, (space) => space.parent)
+  children: SpaceEntity[];
+  @ManyToOne(() => SpaceTypeEntity, (spaceType) => spaceType.spaces)
+  spaceType: SpaceTypeEntity;
+
+  constructor(partial: Partial<SpaceEntity>) {
+    super();
+    Object.assign(this, partial);
+  }
+}

libs/common/src/modules/space/repositories/index.ts

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+export * from './space.repository';

libs/common/src/modules/space/repositories/space.repository.ts

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+import { DataSource, Repository } from 'typeorm';
+import { Injectable } from '@nestjs/common';
+import { SpaceEntity } from '../entities/space.entity';
+
+@Injectable()
+export class SpaceRepository extends Repository<SpaceEntity> {
+  constructor(private dataSource: DataSource) {
+    super(SpaceEntity, dataSource.createEntityManager());
+  }
+}

libs/common/src/modules/space/space.repository.module.ts

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+import { Module } from '@nestjs/common';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { SpaceEntity } from './entities/space.entity';
+
+@Module({
+  providers: [],
+  exports: [],
+  controllers: [],
+  imports: [TypeOrmModule.forFeature([SpaceEntity])],
+})
+export class SpaceRepositoryModule {}