fix:#16 added delete option and fixed uuid generation

backend/service/addRoute.go

@@ -33,6 +33,24 @@ func AddRoutes(app *pocketbase.PocketBase) {
 		return nil
 	})
 
+	app.OnBeforeServe().Add(func(e *core.ServeEvent) error {
+		_, err := e.Router.AddRoute(echo.Route{
+			Method: http.MethodDelete,
+			Path:   "/api/modules",
+			Handler: func(c echo.Context) error {
+				return events.DeleteAllEvents(app)
+			},
+			Middlewares: []echo.MiddlewareFunc{
+				apis.ActivityLogger(app),
+				apis.RequireAdminAuth(),
+			},
+		})
+		if err != nil {
+			return err
+		}
+		return nil
+	})
+
 	app.OnBeforeServe().Add(func(e *core.ServeEvent) error {
 		_, err := e.Router.AddRoute(echo.Route{
 			Method: http.MethodGet,

backend/service/db/dbEvents.go

@@ -179,6 +179,17 @@ func DeleteAllEventsForCourse(app *pocketbase.PocketBase, course string, semeste
 	return nil
 }
 
+func DeleteAllEvents(app *pocketbase.PocketBase) error {
+
+	_, err := app.Dao().DB().Delete("events", dbx.NewExp("1=1")).Execute()
+
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
 func FindAllEventsByModule(app *pocketbase.PocketBase, moduleName string) (model.Events, error) {
 	var events model.Events
 

backend/service/events/eventService.go

@@ -75,6 +75,15 @@ func DeleteAllEventsByCourseAndSemester(app *pocketbase.PocketBase, course strin
 	}
 }
 
+func DeleteAllEvents(app *pocketbase.PocketBase) error {
+	err := db.DeleteAllEvents(app)
+	if err != nil {
+		return err
+	} else {
+		return nil
+	}
+}
+
 // UpdateModulesForCourse updates all modules for a course
 // Does Updates for ws and ss semester sequentially
 // Update runs through the following steps:

backend/service/fetch/fetchSeminarEventService.go

@@ -96,21 +96,22 @@ func parseSeminarGroup(result string) model.SeminarGroup {
 	splitEventsByWeekVal := splitEventsByWeek(eventsWithCombinedWeeks)
 	events := splitEventsBySingleWeek(splitEventsByWeekVal)
 	semesterString := findFirstSpanWithClass(table, "header-0-2-0").FirstChild.Data
+	course := findFirstSpanWithClass(table, "header-2-0-1").FirstChild.Data
 	semester, year := extractSemesterAndYear(semesterString)
 	events = convertWeeksToDates(events, semester, year)
-	events = generateUUIDs(events)
+	events = generateUUIDs(events, course)
 	var seminarGroup = model.SeminarGroup{
 		University: findFirstSpanWithClass(table, "header-1-0-0").FirstChild.Data,
-		Course:     findFirstSpanWithClass(table, "header-2-0-1").FirstChild.Data,
+		Course:     course,
 		Events:     events,
 	}
 	return seminarGroup
 }
 
-func generateUUIDs(events []model.Event) []model.Event {
+func generateUUIDs(events []model.Event, course string) []model.Event {
 	for i, event := range events {
 		// generate a hash value from the event name, course and semester
-		hash := uuid.NewSHA1(uuid.NameSpaceOID, []byte(event.Name+event.Course+event.Semester))
+		hash := uuid.NewSHA1(uuid.NameSpaceOID, []byte(event.Name+course))
 		events[i].UUID = hash.String()
 	}
 	return events

backend/service/fetch/fetchSeminarEventService_test.go

@@ -118,3 +118,67 @@ func Test_replaceEmptyEventNames(t *testing.T) {
 		})
 	}
 }
+
+func Test_generateUUIDs(t *testing.T) {
+	type args struct {
+		events []model.Event
+	}
+	tests := []struct {
+		name string
+		args args
+		want []model.Event
+	}{
+		{
+			name: "Test 1",
+			args: args{
+				events: []model.Event{
+					{
+						Name:   " Arbeitssicherheit / Rechtsformen von Unternehmen B435 SBB  (wpf) & B348 BIB (pf) 5. FS",
+						Course: "21BIB-2b",
+					},
+				},
+			},
+			want: []model.Event{
+				{
+					Name:   " Arbeitssicherheit / Rechtsformen von Unternehmen B435 SBB  (wpf) & B348 BIB (pf) 5. FS",
+					Course: "21BIB-2b",
+					UUID:   "81083480-bcf1-5452-af84-bb27d79282d8",
+				},
+			},
+		},
+		{
+			name: "Test 2",
+			args: args{
+				events: []model.Event{
+					{
+						Name:   " Arbeitssicherheit / Rechtsformen von Unternehmen B435 SBB  (wpf) & B348 BIB (pf) 5. FS",
+						Course: "21BIB-3a",
+					},
+					{
+						Name:   " Arbeitssicherheit / Rechtsformen von Unternehmen B435 SBB  (wpf) & B348 BIB (pf) 5. FS",
+						Course: "21BIB-2b",
+					},
+				},
+			},
+			want: []model.Event{
+				{
+					Name:   " Arbeitssicherheit / Rechtsformen von Unternehmen B435 SBB  (wpf) & B348 BIB (pf) 5. FS",
+					Course: "21BIB-3a",
+					UUID:   "9f90d86b-a948-53b9-bbbc-5163acc1cf33",
+				},
+				{
+					Name:   " Arbeitssicherheit / Rechtsformen von Unternehmen B435 SBB  (wpf) & B348 BIB (pf) 5. FS",
+					Course: "21BIB-2b",
+					UUID:   "81083480-bcf1-5452-af84-bb27d79282d8",
+				},
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := generateUUIDs(tt.args.events); !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("generateUUIDs() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}