Renamed "Salary Deduction" to "Employee Benefit"

Journal, Purchase and Purchase Return vouchers done!!

Changed the column type of "date" columns from "datetime" to better fit the data.

overlord/src/app/core/voucher.service.ts

@@ -63,9 +63,16 @@ export class VoucherService {
       );
   }
 
-  save(voucher: Voucher): Observable<Voucher> {
+  saveOrUpdate(voucher: Voucher): Observable<Voucher> {
     const endpoint = voucher.type.replace(/ /g, '-').toLowerCase();
+    if (!voucher.id) {
+      return this.save(voucher, endpoint);
+    } else {
+      return this.update(voucher, endpoint);
+    }
+  }
 
+  save(voucher: Voucher, endpoint: string): Observable<Voucher> {
     const fd = new FormData();
     voucher.files.filter(x => !x.id).forEach((file) => {
       fd.append('i' , this.dataURLtoBlob(file.resized));
@@ -73,10 +80,23 @@ export class VoucherService {
     });
     voucher.files = voucher.files.filter(x => x.id);
     fd.append('data', JSON.stringify(voucher));
-    const saveUrl: string = (voucher.id === undefined || voucher.id === null) ? `${url}/${endpoint}` : `${url}/${endpoint}/${voucher.id}`;
-    return <Observable<Voucher>>this.http.post<Voucher>(saveUrl, fd)
+    return <Observable<Voucher>>this.http.post<Voucher>(`${url}/${endpoint}`, fd)
       .pipe(
-        catchError(this.log.handleError(serviceName, 'list'))
+        catchError(this.log.handleError(serviceName, 'save'))
+      );
+  }
+
+  update(voucher: Voucher, endpoint: string): Observable<Voucher> {
+    const fd = new FormData();
+    voucher.files.filter(x => !x.id).forEach((file) => {
+      fd.append('i' , this.dataURLtoBlob(file.resized));
+      fd.append('t' , this.dataURLtoBlob(file.thumbnail));
+    });
+    voucher.files = voucher.files.filter(x => x.id);
+    fd.append('data', JSON.stringify(voucher));
+    return <Observable<Voucher>>this.http.put<Voucher>(`${url}/${endpoint}/${voucher.id}`, fd)
+      .pipe(
+        catchError(this.log.handleError(serviceName, 'update'))
       );
   }