Refactor and remove sqlite and replace with MySQL

internal/handlers/template/templatedata.go

@@ -0,0 +1,46 @@
+package handlers
+
+import (
+	"database/sql"
+	"log"
+	"net/http"
+
+	httpHelper "synlotto-website/helpers/http"
+
+	"synlotto-website/models"
+	"synlotto-website/storage"
+)
+
+func BuildTemplateData(db *sql.DB, w http.ResponseWriter, r *http.Request) models.TemplateData {
+	session, err := httpHelper.GetSession(w, r)
+	if err != nil {
+		log.Printf("Session error: %v", err)
+	}
+
+	var user *models.User
+	var isAdmin bool
+	var notificationCount int
+	var notifications []models.Notification
+	var messageCount int
+	var messages []models.Message
+
+	if userId, ok := session.Values["user_id"].(int); ok {
+		user = storage.GetUserByID(db, userId)
+		if user != nil {
+			isAdmin = user.IsAdmin
+			notificationCount = storage.GetNotificationCount(db, user.Id)
+			notifications = storage.GetRecentNotifications(db, user.Id, 15)
+			messageCount, _ = storage.GetMessageCount(db, user.Id)
+			messages = storage.GetRecentMessages(db, user.Id, 15)
+		}
+	}
+
+	return models.TemplateData{
+		User:              user,
+		IsAdmin:           isAdmin,
+		NotificationCount: notificationCount,
+		Notifications:     notifications,
+		MessageCount:      messageCount,
+		Messages:          messages,
+	}
+}