feat:#34 refactored function to intended service, fixed docker files

services/data-manager/service/ical/icsComponenter.go

@@ -0,0 +1,62 @@
+//Calendar implementation for the HTWK Leipzig timetable. Evaluation and display of the individual dates in iCal format.
+//Copyright (C) 2024 HTWKalender support@htwkalender.de
+
+//This program is free software: you can redistribute it and/or modify
+//it under the terms of the GNU Affero General Public License as published by
+//the Free Software Foundation, either version 3 of the License, or
+//(at your option) any later version.
+
+//This program is distributed in the hope that it will be useful,
+//but WITHOUT ANY WARRANTY; without even the implied warranty of
+//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//GNU Affero General Public License for more details.
+
+//You should have received a copy of the GNU Affero General Public License
+//along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package ical
+
+import (
+	"github.com/jordic/goics"
+	"sort"
+	"strings"
+)
+
+type HtwkalenderComponent struct {
+	*goics.Component
+}
+
+func NewHtwkalenderComponent() *HtwkalenderComponent {
+	return &HtwkalenderComponent{
+		Component: goics.NewComponent(),
+	}
+}
+
+// Writes the component to the Writer
+func (c *HtwkalenderComponent) Write(w *goics.ICalEncode) {
+	w.WriteLine("BEGIN:" + c.Tipo + goics.CRLF)
+
+	// Iterate over component properties
+	var keys []string
+	for k := range c.Properties {
+		keys = append(keys, k)
+	}
+	sort.Strings(keys)
+	for _, key := range keys {
+		vals := c.Properties[key]
+		for _, val := range vals {
+			w.WriteLine(WriteStringField(key, val))
+		}
+	}
+
+	for _, xc := range c.Elements {
+		xc.Write(w)
+	}
+
+	w.WriteLine("END:" + c.Tipo + goics.CRLF)
+}
+
+// WriteStringField UID:asdfasdfаs@dfasdf.com
+func WriteStringField(key string, val string) string {
+	return strings.ToUpper(key) + ":" + (val) + goics.CRLF
+}