Fix: Login deleting old clients was conflicting with login history

Chore: Moved to angular linting using the recommended plugins / settings

overlord/src/app/attendance/attendance.service.ts

@@ -7,10 +7,6 @@ import { ErrorLoggerService } from '../core/error-logger.service';
 
 import { Attendance } from './attendance';
 
-const httpOptions = {
-  headers: new HttpHeaders({ 'Content-Type': 'application/json' }),
-};
-
 const url = '/api/attendance';
 const serviceName = 'AttendanceService';
 
@@ -20,18 +16,16 @@ export class AttendanceService {
 
   get(date: string | null): Observable<Attendance> {
     const getUrl: string = date === null ? url : `${url}/${date}`;
-    return <Observable<Attendance>>(
-      this.http
-        .get<Attendance>(getUrl)
-        .pipe(catchError(this.log.handleError(serviceName, `get date=${date}`)))
-    );
+    return this.http
+      .get<Attendance>(getUrl)
+      .pipe(
+        catchError(this.log.handleError(serviceName, `get date as Observable<Attendance>=${date}`)),
+      ) as Observable<Attendance>;
   }
 
   save(attendance: Attendance): Observable<Attendance> {
-    return <Observable<Attendance>>(
-      this.http
-        .post<Attendance>(`${url}/${attendance.date}`, attendance, httpOptions)
-        .pipe(catchError(this.log.handleError(serviceName, 'save')))
-    );
+    return this.http
+      .post<Attendance>(`${url}/${attendance.date}`, attendance)
+      .pipe(catchError(this.log.handleError(serviceName, 'save'))) as Observable<Attendance>;
   }
 }