From 9357f7381b1a648781e199d1ff9a51809984344b Mon Sep 17 00:00:00 2001
From: Jannover5000r <90698896+Jannover5000r@users.noreply.github.com>
Date: Mon, 24 Aug 2026 02:36:41 +0200
Subject: [PATCH] Fixed timezone management timezones now get loaded by a
 function in /Untis Should make fetching happen at 0 am

---
 Untis/Timetable.go | 11 +++++++----
 Untis/Untis.go     | 11 +++++++++++
 main.go            | 27 +++++++++++++--------------
 3 files changed, 31 insertions(+), 18 deletions(-)

diff --git a/Untis/Timetable.go b/Untis/Timetable.go
index 898cca4..e954edb 100644
--- a/Untis/Timetable.go
+++ b/Untis/Timetable.go
@@ -8,7 +8,6 @@ import (
 	"log"
 	"net/http"
 	"os"
-	"time"
 )
 
 type TimetableResponse struct {
@@ -100,7 +99,7 @@ func Timetable(cookies []*http.Cookie, userID string) {
 		return
 	}
 
-	today := time.Now().Format("20060102")
+	today := GetTime().Format("20060102")
 	g := getTimetable{"2023-05-06 15:44:22.215292", "getTimetable", params{today, today, loginResult.PersonID, loginResult.PersonType}, "2.0"}
 	timetablesJson, err := json.Marshal(g)
 	if err != nil {
@@ -148,7 +147,7 @@ func Timetable(cookies []*http.Cookie, userID string) {
 	if userID != "" {
 		timetableFile = "timetable_" + userID + ".json"
 	}
-	if err := os.WriteFile(timetableFile, data, 0644); err != nil {
+	if err := os.WriteFile(timetableFile, data, 0o644); err != nil {
 		log.Printf("Error writing timetable file: %v", err)
 		return
 	}
@@ -172,6 +171,7 @@ func LoadIDMap(path string) (map[int]string, error) {
 	}
 	return m, nil
 }
+
 func LoadTimetable(path string) ([]TimetableEntry, error) {
 	data, err := os.ReadFile(path)
 	if err != nil {
@@ -183,11 +183,13 @@ func LoadTimetable(path string) ([]TimetableEntry, error) {
 	}
 	return entries, nil
 }
+
 func formatTime(t int) string {
 	h := t / 100
 	m := t % 100
 	return fmt.Sprintf("%02d:%02d", h, m)
 }
+
 func formatDate(date int) string {
 	s := fmt.Sprintf("%08d", date) // ensures leading zeros
 	year := s[:4]
@@ -195,6 +197,7 @@ func formatDate(date int) string {
 	day := s[6:8]
 	return fmt.Sprintf("%s-%s-%s", day, month, year)
 }
+
 func setTimetable(userID string) {
 	subjects, _ := LoadIDMap("subjects.json")
 	rooms, _ := LoadIDMap("rooms.json")
@@ -242,7 +245,7 @@ func setTimetable(userID string) {
 	if userID != "" {
 		timetableFilledFile = "timetableFilled_" + userID + ".json"
 	}
-	if err := os.WriteFile(timetableFilledFile, data, 0644); err != nil {
+	if err := os.WriteFile(timetableFilledFile, data, 0o644); err != nil {
 		log.Printf("Error writing timetableFilled file: %v", err)
 		return
 	}
diff --git a/Untis/Untis.go b/Untis/Untis.go
index 01f6324..5df1b28 100644
--- a/Untis/Untis.go
+++ b/Untis/Untis.go
@@ -7,6 +7,7 @@ import (
 	"log"
 	"net/http"
 	"os"
+	"time"
 
 	"github.com/joho/godotenv"
 )
@@ -32,6 +33,16 @@ type LoginResponse struct {
 
 var Url = os.Getenv("URL")
 
+var location *time.Location
+
+func init() {
+	locEnv := os.Getenv("LOCATION_ENV")
+	if locEnv == "" {
+		locEnv = "UTC"
+	}
+	location, _ = time.LoadLocation(locEnv)
+}
+
 // var Password = os.Getenv("UNTIS_PASSWORD")
 // var USERS = os.Getenv("UNTIS_USER")
 func Main(user, password, userID string) {
diff --git a/main.go b/main.go
index fd60b0c..3a4b742 100644
--- a/main.go
+++ b/main.go
@@ -102,19 +102,15 @@ func init() {
 		log.Println("No Discord webhook provided, Discord notifications will be disabled")
 	}
 	locEnv := os.Getenv("LOCATION_ENV")
-
-	var locErr error
-
-	location, locErr = time.LoadLocation(locEnv)
-
-	if locErr != nil {
-		log.Fatalf("Failed to load timezone: %v", locErr)
+	var locerr error
+	Untis.Location, locerr = time.LoadLocation(locEnv)
+	if err != nil {
+		log.Fatalf("Failed to load Timezone: %v", locerr)
 	}
-	log.Printf("Timezone set to: %s", location)
 }
 
 func getTime() time.Time {
-	return time.Now().In(location)
+	return Untis.GetTime()
 }
 
 func main() {
@@ -208,9 +204,15 @@ func scheduleTimetableUpdate() {
 				prevTimeslotMap := make(map[string]NamedTimetableEntry)
 
 				// Get current date to filter out new day changes
-				today := time.Now().Format("02-01-2006")
+				today := getTime().Format("02-01-2006")
 				// Get current time to filter any changes to Timetable before 3am so the new day changes stop
-				now := time.Now()
+				//
+				now := getTime()
+				// If before 3am stop and update userdata
+				if now.Hour() < 3 {
+					prevData[acc.UserID] = data
+					continue
+				}
 
 				for _, e := range currentEntries {
 					key := lessonKey(e)
@@ -229,9 +231,6 @@ func scheduleTimetableUpdate() {
 					if curr.Date != today {
 						continue
 					}
-					if now.Hour() < 3 {
-						continue
-					}
 
 					if prev, exists := prevMap[key]; exists {
 						// Existing lesson — check for changes