Implemented the /me controller that allows a user to get and update themselves

ref #100

src/controllers/MeController.ts

@@ -0,0 +1,54 @@
+import { Body, CurrentUser, Get, JsonController, OnUndefined, Put } from 'routing-controllers';
+import { OpenAPI, ResponseSchema } from 'routing-controllers-openapi';
+import { getConnectionManager, Repository } from 'typeorm';
+import { UserIdsNotMatchingError, UsernameContainsIllegalCharacterError, UserNotFoundError } from '../errors/UserErrors';
+import { UpdateUser } from '../models/actions/update/UpdateUser';
+import { User } from '../models/entities/User';
+import { ResponseUser } from '../models/responses/ResponseUser';
+
+
+@JsonController('/me')
+@OpenAPI({ security: [{ "AuthToken": [] }, { "RefreshTokenCookie": [] }] })
+export class MeController {
+	private userRepository: Repository<User>;
+
+	/**
+	 * Gets the repository of this controller's model/entity.
+	 */
+	constructor() {
+		this.userRepository = getConnectionManager().get().getRepository(User);
+	}
+
+	@Get('/')
+	@ResponseSchema(ResponseUser)
+	@ResponseSchema(UserNotFoundError, { statusCode: 404 })
+	@OnUndefined(UserNotFoundError)
+	@OpenAPI({ description: 'Lists all permissions granted to the user sorted into directly granted and inherited as permission response objects.' })
+	async get(@CurrentUser() currentUser: User) {
+		let user = await this.userRepository.findOne({ id: currentUser.id }, { relations: ['permissions', 'groups', 'groups.permissions', 'permissions.principal', 'groups.permissions.principal'] })
+		if (!user) { throw new UserNotFoundError(); }
+		return new ResponseUser(user);
+	}
+
+	@Put('/')
+	@ResponseSchema(ResponseUser)
+	@ResponseSchema(UserNotFoundError, { statusCode: 404 })
+	@ResponseSchema(UserIdsNotMatchingError, { statusCode: 406 })
+	@ResponseSchema(UsernameContainsIllegalCharacterError, { statusCode: 406 })
+	@OpenAPI({ description: "Update the yourself. <br> You can't edit your own permissions or group memberships here - Please use the /api/users/:id enpoint instead. <br> Please remember that ids can't be changed." })
+	async put(@CurrentUser() currentUser: User, @Body({ validate: true }) updateUser: UpdateUser) {
+		let oldUser = await this.userRepository.findOne({ id: currentUser.id }, { relations: ['groups'] });
+		updateUser.groups = oldUser.groups.map(g => g.id);
+
+		if (!oldUser) {
+			throw new UserNotFoundError();
+		}
+
+		if (oldUser.id != updateUser.id) {
+			throw new UserIdsNotMatchingError();
+		}
+		await this.userRepository.save(await updateUser.update(oldUser));
+
+		return new ResponseUser(await this.userRepository.findOne({ id: currentUser.id }, { relations: ['permissions', 'groups', 'groups.permissions'] }));
+	}
+}