Implemented single scan station get +e errors

ref #67

src/controllers/ScanStationController.ts

@@ -1,6 +1,7 @@
-import { Authorized, Get, JsonController } from 'routing-controllers';
+import { Authorized, Get, JsonController, OnUndefined, Param } from 'routing-controllers';
 import { OpenAPI, ResponseSchema } from 'routing-controllers-openapi';
 import { getConnectionManager, Repository } from 'typeorm';
+import { ScanStationNotFoundError } from '../errors/ScanStationErrors';
 import { ScanStation } from '../models/entities/ScanStation';
 import { ResponseScanStation } from '../models/responses/ResponseScanStation';
 
@@ -29,18 +30,17 @@ export class ScanStationController {
 		return responseStations;
 	}
 
-	// @Get('/:id')
-	// @Authorized("SCAN:GET")
-	// @ResponseSchema(ResponseScan)
-	// @ResponseSchema(ResponseTrackScan)
-	// @ResponseSchema(ScanNotFoundError, { statusCode: 404 })
-	// @OnUndefined(ScanNotFoundError)
-	// @OpenAPI({ description: 'Lists all information about the runner whose id got provided.' })
-	// async getOne(@Param('id') id: number) {
-	// 	let scan = await this.scanRepository.findOne({ id: id }, { relations: ['runner'] })
-	// 	if (!scan) { throw new ScanNotFoundError(); }
-	// 	return scan.toResponse();
-	// }
+	@Get('/:id')
+	@Authorized("STATION:GET")
+	@ResponseSchema(ResponseScanStation)
+	@ResponseSchema(ScanStationNotFoundError, { statusCode: 404 })
+	@OnUndefined(ScanStationNotFoundError)
+	@OpenAPI({ description: 'Lists all information about the runner whose id got provided.' })
+	async getOne(@Param('id') id: number) {
+		let scan = await this.stationRepository.findOne({ id: id }, { relations: ['track'] })
+		if (!scan) { throw new ScanStationNotFoundError(); }
+		return scan.toResponse();
+	}
 
 	// @Post()
 	// @Authorized("SCAN:CREATE")

src/errors/ScanStationErrors.ts

@@ -0,0 +1,25 @@
+import { IsString } from 'class-validator';
+import { NotAcceptableError, NotFoundError } from 'routing-controllers';
+
+/**
+ * Error to throw, when a non-existant scan station get's loaded.
+ */
+export class ScanStationNotFoundError extends NotFoundError {
+	@IsString()
+	name = "ScanStationNotFoundError"
+
+	@IsString()
+	message = "The scan station you provided couldn't be located in the system. \n Please check your request."
+}
+
+/**
+ * Error to throw when two scan stations' ids don't match.
+ * Usually occurs when a user tries to change a scan station's id.
+ */
+export class ScanStationIdsNotMatchingError extends NotAcceptableError {
+	@IsString()
+	name = "ScanStationIdsNotMatchingError"
+
+	@IsString()
+	message = "The ids don't match! \n And if you wanted to change a scan station's id: This isn't allowed!"
+}