Add TimeZone module

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

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

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

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+import { IsNotEmpty, IsString } from 'class-validator';
+
+export class TimeZoneDto {
+  @IsString()
+  @IsNotEmpty()
+  public uuid: string;
+
+  @IsString()
+  @IsNotEmpty()
+  public cityName: string;
+
+  @IsString()
+  @IsNotEmpty()
+  public timeZoneOffset: string;
+}

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

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

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

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+import { Column, Entity, OneToMany } from 'typeorm';
+import { TimeZoneDto } from '../dtos';
+import { AbstractEntity } from '../../abstract/entities/abstract.entity';
+import { UserEntity } from '../../user/entities';
+
+@Entity({ name: 'timezone' })
+export class TimeZoneEntity extends AbstractEntity<TimeZoneDto> {
+  @Column({
+    nullable: false,
+  })
+  cityName: string;
+  @Column({
+    nullable: false,
+  })
+  timeZoneOffset: string;
+  @OneToMany(() => UserEntity, (user) => user.timezone)
+  users: UserEntity[];
+
+  constructor(partial: Partial<TimeZoneEntity>) {
+    super();
+    Object.assign(this, partial);
+  }
+}

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

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

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

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

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

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