edit song form

WEB/src/app/data/edit-song.service.ts

@@ -0,0 +1,26 @@
+import { Song } from 'src/app/models/song.model';
+import { SongsService } from 'src/app/data/songs.service';
+import { Injectable } from '@angular/core';
+import { FormGroup, FormControl, Validators } from '@angular/forms';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class EditSongService {
+
+    constructor(private songService: SongsService) { }
+
+    public initEditForm(song: Song): FormGroup {
+        const form = new FormGroup({
+            ID: new FormControl(song.ID),
+            Number: new FormControl(song.Number),
+            Name: new FormControl(song.Name, Validators.required),
+            Text: new FormControl(song.Text),
+            SongType: new FormControl(song.SongType, Validators.required),
+            Key: new FormControl(song.Key),
+            Tempo: new FormControl(song.Tempo)
+        });
+
+        return form;
+    }
+}