[#94] Backend

https://project.mdnd-it.cc/work_packages/94

SerpentRace_Backend/src/Application/Organization/queries/GetOrganizationByIdQueryHandler.ts

@@ -0,0 +1,15 @@
+import { IOrganizationRepository } from '../../../Domain/IRepository/IOrganizationRepository';
+import { GetOrganizationByIdQuery } from './GetOrganizationByIdQuery';
+
+import { ShortOrganizationDto } from '../../DTOs/OrganizationDto';
+import { OrganizationMapper } from '../../DTOs/Mappers/OrganizationMapper';
+
+export class GetOrganizationByIdQueryHandler  {
+  constructor(private readonly orgRepo: IOrganizationRepository) {}
+
+  async execute(query: GetOrganizationByIdQuery): Promise<ShortOrganizationDto | null> {
+    const org = await this.orgRepo.findById(query.id);
+    if (!org) return null;
+    return OrganizationMapper.toShortDto(org);
+  }
+}