fix:#25 added tests and schedule updates

backend/service/fetch/v2/fetcher.go

@@ -25,10 +25,10 @@ import (
 	"htwkalender/service/db"
 	"htwkalender/service/fetch"
 	v1 "htwkalender/service/fetch/v1"
+	"htwkalender/service/functions"
 	localTime "htwkalender/service/functions/time"
 	"log/slog"
 	"strings"
-	"time"
 )
 
 func ParseEventsFromRemote(app *pocketbase.PocketBase) (model.Events, error) {
@@ -70,7 +70,7 @@ func FetchAllEventsAndSave(app *pocketbase.PocketBase, clock localTime.Clock) ([
 	}
 
 	// Fetch and save events for all semesters
-	for _, semester := range calculateSemesterList(clock) {
+	for _, semester := range functions.CalculateSemesterList(clock) {
 		events, fetchErr := fetchAndSaveAllEventsForSemester(app, semester, stubUrl)
 		if fetchErr != nil {
 			return nil, fmt.Errorf("failed to fetch and save events for "+semester+": %w", err)
@@ -104,25 +104,6 @@ func fetchAndSaveAllEventsForSemester(
 	return savedRecords, err
 }
 
-func calculateSemesterList(clock localTime.Clock) []string {
-	summerSemester := clock.Now().Month() >= time.March && clock.Now().Month() <= time.September
-	winterSemester := clock.Now().Month() <= time.March || clock.Now().Month() >= time.September
-
-	if summerSemester && winterSemester {
-		return []string{"ss", "ws"}
-	}
-
-	if summerSemester {
-		return []string{"ss"}
-	}
-
-	if winterSemester {
-		return []string{"ws"}
-	}
-
-	return []string{"ss", "ws"}
-}
-
 func parseEventForOneSemester(url string) ([]model.Event, error) {
 	// Fetch Webpage from URL
 	webpage, err := fetch.GetHTML(url)