Full bot functionality and multi user support

Bot/Untis.go

@@ -31,12 +31,13 @@ type LoginResponse struct {
 }
 
 var Url = "https://thalia.webuntis.com/WebUntis/jsonrpc.do?school=Mons_Tabor"
-var Password = os.Getenv("UNTIS_PASSWORD")
-var USERS = os.Getenv("UNTIS_USER")
 
-func Main() {
+//var Password = os.Getenv("UNTIS_PASSWORD")
+//var USERS = os.Getenv("UNTIS_USER")
+
+func Main(user, password string) {
 	godotenv.Load("../.env")
-	cookies, err := Auth()
+	cookies, err := Auth(user, password)
 	if err != nil {
 		log.Fatal(err)
 		return
@@ -53,8 +54,8 @@ func Main() {
 	Teachers(cookies)
 }
 
-func Auth() ([]*http.Cookie, error) {
-	l := Login{"2023-05-06 15:44:22.215292", "authenticate", Params{USERS, Password, "WebUntis Test"}, "2.0"}
+func Auth(user, password string) ([]*http.Cookie, error) {
+	l := Login{"2023-05-06 15:44:22.215292", "authenticate", Params{user, password, "WebUntis Test"}, "2.0"}
 	loginJSON, err := json.Marshal(l)
 	if err != nil {
 		log.Fatalf("Error marshaling login data: %v", err)

Botrun/BotStart.go

@@ -1,6 +1,7 @@
 package bot
 
 import (
+	"bytes"
 	"crypto/aes"
 	"crypto/cipher"
 	"crypto/rand"
@@ -13,6 +14,7 @@ import (
 	"os/signal"
 	"sync"
 	"syscall"
+	"time"
 
 	"github.com/joho/godotenv"
 
@@ -135,6 +137,63 @@ func saveAccount(userID, username, password string) error {
 	return os.WriteFile(accountsFile, newData, 0644)
 }
 
+// Helper functions for per-user timetable files
+func getTimetableFile(userID string) string {
+	return fmt.Sprintf("timetable_%s.json", userID)
+}
+
+func getTimetableFilledFile(userID string) string {
+	return fmt.Sprintf("timetableFilled_%s.json", userID)
+}
+
+// Send a Discord message mentioning the user
+func sendLessonNotification(s *discordgo.Session, userID, username, message string) {
+	// Send a DM to the user
+	channel, err := s.UserChannelCreate(userID)
+	if err != nil {
+		fmt.Println("Error creating DM channel:", err)
+		return
+	}
+	s.ChannelMessageSend(channel.ID, fmt.Sprintf("**%s**: %s", username, message))
+}
+
+// Check for timetable changes for a user and notify if changed
+func checkTimetableChangesForUser(user Account, decPwd string, s *discordgo.Session) {
+	timetableFilledFile := getTimetableFilledFile(user.UserID)
+
+	// Load previous timetable
+	prevData, _ := os.ReadFile(timetableFilledFile)
+
+	// TODO: Fetch new timetable for this user using user.Username and decrypted password
+	// For demonstration, we'll just copy prevData (replace this with real fetch logic!)
+	newData := prevData
+
+	// Compare and notify if changed
+	if !bytes.Equal(newData, prevData) {
+		sendLessonNotification(s, user.UserID, user.Username, "Your timetable has changed!")
+		os.WriteFile(timetableFilledFile, newData, 0644)
+	}
+}
+
+// Load all accounts from accounts.json
+func loadAllAccounts() []Account {
+	var accounts []Account
+	if data, err := os.ReadFile(accountsFile); err == nil && len(data) > 0 {
+		_ = json.Unmarshal(data, &accounts)
+	}
+	return accounts
+}
+
+// Scheduled check for all users
+func checkAllUsersTimetables(s *discordgo.Session) {
+	accounts := loadAllAccounts()
+	for _, user := range accounts {
+		decPwd, _ := decrypt(user.Password)
+		// You can use decPwd to fetch the timetable for this user
+		checkTimetableChangesForUser(user, decPwd, s)
+	}
+}
+
 func Start() {
 	token := os.Getenv("DISCORD_BOT_TOKEN")
 	if token == "" {
@@ -155,6 +214,14 @@ func Start() {
 		return
 	}
 
+	// Schedule timetable checks every minute (or hour as needed)
+	go func() {
+		ticker := time.NewTicker(1 * time.Minute)
+		for range ticker.C {
+			checkAllUsersTimetables(dg)
+		}
+	}()
+
 	fmt.Println("Bot is now running. Press CTRL+C to exit.")
 	// Wait for CTRL+C or other term signal to exit.
 	sc := make(chan os.Signal, 1)

go.mod

@@ -2,10 +2,12 @@ module untislogger
 
 go 1.24
 
-require github.com/joho/godotenv v1.5.1
+require (
+	github.com/bwmarrin/discordgo v0.29.0
+	github.com/joho/godotenv v1.5.1
+)
 
 require (
-	github.com/bwmarrin/discordgo v0.29.0 // indirect
 	github.com/gorilla/websocket v1.4.2 // indirect
 	golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b // indirect
 	golang.org/x/sys v0.0.0-20201119102817-f84b799fce68 // indirect

main.go

@@ -79,8 +79,11 @@ func isScheduledTime(now time.Time) bool {
 }
 func scheduleTimetableUpdate() {
 	var prevData []byte
-	//run once
-	Untis.Main()
+	//declare user and pass
+	godotenv.Load(".env")
+	var password = os.Getenv("UNTIS_PASSWORD")
+	var user = os.Getenv("UNTIS_USER")
+	Untis.Main(user, password)
 	// Initial read of the file
 	data, err := os.ReadFile("timetableFilled.json")
 	if err == nil {
@@ -91,7 +94,7 @@ func scheduleTimetableUpdate() {
 	hourTicker := time.NewTicker(1 * time.Minute)
 	go func() {
 		for range hourTicker.C {
-			Untis.Main()
+			Untis.Main(user, password)
 			data, err := os.ReadFile("timetableFilled.json")
 			if err != nil {
 				log.Printf("Error reading timetable: %v", err)
@@ -108,7 +111,7 @@ func scheduleTimetableUpdate() {
 		now := time.Now()
 		if isScheduledTime(now) {
 			log.Println("Scheduled time reached, updating and running Run()")
-			Untis.Main()
+			Untis.Main(user, password)
 			log.Println("Updated now running Run()")
 			Run()
 			log.Println("Finished running Run")