feat:#56 added etag hash

services/ical/model/eventModel.go

@@ -37,6 +37,14 @@ func (events Events) Sort() {
 	})
 }
 
+func (events Events) String() string {
+	var str strings.Builder
+	for _, event := range events {
+		str.WriteString(event.String())
+	}
+	return str.String()
+}
+
 type AnonymizedEventDTO struct {
 	Day   string   `db:"Day" json:"day"`
 	Week  string   `db:"Week" json:"week"`
@@ -109,3 +117,7 @@ func (e *Event) GetName() string {
 func (e *Event) SetName(name string) {
 	e.Name = name
 }
+
+func (e *Event) String() string {
+	return e.UUID + e.Day + e.Week + e.Start.String() + e.End.String() + e.Name + e.EventType + e.Compulsory + e.Prof + e.Rooms + e.Notes + e.BookedAt + e.Course + e.Semester
+}