refactoring to clear db functions

backend/service/fetch/fetchSeminarEventService.go

@@ -30,6 +30,8 @@ func GetSeminarEvents(c echo.Context, app *pocketbase.PocketBase) error {
 
 	seminarGroups = clearEmptySeminarGroups(seminarGroups)
 
+	seminarGroups = replaceEmptyEventNames(seminarGroups)
+
 	savedRecords, dbError := db.SaveEvents(seminarGroups, collection, app)
 
 	if dbError != nil {
@@ -39,6 +41,17 @@ func GetSeminarEvents(c echo.Context, app *pocketbase.PocketBase) error {
 	return c.JSON(http.StatusOK, savedRecords)
 }
 
+func replaceEmptyEventNames(groups []model.SeminarGroup) []model.SeminarGroup {
+	for i, group := range groups {
+		for j, event := range group.Events {
+			if event.Name == "" {
+				groups[i].Events[j].Name = "Sonderveranstaltungen"
+			}
+		}
+	}
+	return groups
+}
+
 func clearEmptySeminarGroups(seminarGroups []model.SeminarGroup) []model.SeminarGroup {
 	var newSeminarGroups []model.SeminarGroup
 	for _, seminarGroup := range seminarGroups {

backend/service/fetch/fetchSeminarEventService_test.go

@@ -1,6 +1,10 @@
 package fetch
 
-import "testing"
+import (
+	"htwkalender/model"
+	"reflect"
+	"testing"
+)
 
 func Test_extractSemesterAndYear(t *testing.T) {
 	type args struct {
@@ -50,3 +54,68 @@ func Test_extractSemesterAndYear(t *testing.T) {
 		})
 	}
 }
+
+func Test_replaceEmptyEventNames(t *testing.T) {
+	type args struct {
+		groups []model.SeminarGroup
+	}
+	tests := []struct {
+		name string
+		args args
+		want []model.SeminarGroup
+	}{
+		{
+			name: "Test 1",
+			args: args{
+				groups: []model.SeminarGroup{
+					{
+						Events: []model.Event{
+							{
+								Name: "Test",
+							},
+						},
+					},
+				},
+			},
+			want: []model.SeminarGroup{
+				{
+					Events: []model.Event{
+						{
+							Name: "Test",
+						},
+					},
+				},
+			},
+		},
+		{
+			name: "Test 1",
+			args: args{
+				groups: []model.SeminarGroup{
+					{
+						Events: []model.Event{
+							{
+								Name: "",
+							},
+						},
+					},
+				},
+			},
+			want: []model.SeminarGroup{
+				{
+					Events: []model.Event{
+						{
+							Name: "Sonderveranstaltungen",
+						},
+					},
+				},
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := replaceEmptyEventNames(tt.args.groups); !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("replaceEmptyEventNames() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}