Manage SystemManagers

api/src/modules/system/system.service.ts

@@ -1,12 +1,12 @@
 import { HttpException, HttpStatus, Injectable } from '@nestjs/common';
 import { CreateSystemDto } from './dto/create-system.dto';
 import { UpdateSystemDto } from './dto/update-system.dto';
-import { KeySystemRepository } from 'src/model/repositories';
+import { KeySystemRepository, UserRepository } from 'src/model/repositories';
 import { User } from 'src/model/entitites';
 
 @Injectable()
 export class SystemService {
-  constructor(private systemRepo: KeySystemRepository) {}
+  constructor(private systemRepo: KeySystemRepository, private userRepo: UserRepository) {}
 
   async create(user: User, createSystemDto: CreateSystemDto) {
     const sys = this.systemRepo.create(createSystemDto);
@@ -52,4 +52,36 @@ export class SystemService {
 
     return system.managers;
   }
+
+  async manageManagers(systemID: string, manageObject: { email: string, action: 'add' | 'remove'}) {
+    const sys = await this.systemRepo.findOne({
+      where: { id: systemID },
+      relations: ['managers']
+    });
+
+    if (!sys) {
+      throw new HttpException('Das System wurde nicht im System gefunden', HttpStatus.NOT_FOUND);
+    }
+
+    if (manageObject.action == 'remove') {
+      sys.managers = sys.managers.filter( m => m.username != manageObject.email);
+
+      await this.systemRepo.save(sys);
+      return sys.managers;
+    }
+
+    if (sys.managers.some(m => m.username == manageObject.email)) {
+      return sys.managers;
+    }
+
+    const user = await this.userRepo.findOneBy({ username: manageObject.email.trim() });
+    if (!user) {
+      throw new HttpException('Es wurde kein User mit dieser Emailadresse gefunden. Bitte prüfe die Emailadresse und versuche es erneut.', HttpStatus.NOT_FOUND);
+    }
+
+    sys.managers.push(user);
+    await this.systemRepo.save(sys);
+    return sys.managers;
+
+  }
 }