Refactor and remove sqlite and replace with MySQL

internal/handlers/notifications.go

@@ -0,0 +1,70 @@
+package handlers
+
+import (
+	"database/sql"
+	"log"
+	"net/http"
+	"strconv"
+
+	templateHandlers "synlotto-website/handlers/template"
+	httpHelpers "synlotto-website/helpers/http"
+	templateHelpers "synlotto-website/helpers/template"
+
+	"synlotto-website/storage"
+)
+
+func NotificationsHandler(db *sql.DB) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		data := templateHandlers.BuildTemplateData(db, w, r)
+		context := templateHelpers.TemplateContext(w, r, data)
+
+		tmpl := templateHelpers.LoadTemplateFiles("index.html", "templates/account/notifications/index.html")
+
+		err := tmpl.ExecuteTemplate(w, "layout", context)
+		if err != nil {
+			log.Println("❌ Template render error:", err)
+			http.Error(w, "Error rendering notifications page", http.StatusInternalServerError)
+		}
+	}
+}
+
+func MarkNotificationReadHandler(db *sql.DB) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		notificationIDStr := r.URL.Query().Get("id")
+		notificationID, err := strconv.Atoi(notificationIDStr)
+		if err != nil {
+			http.Error(w, "Invalid notification ID", http.StatusBadRequest)
+			return
+		}
+
+		session, _ := httpHelpers.GetSession(w, r)
+		userID, ok := session.Values["user_id"].(int)
+		if !ok {
+			http.Error(w, "Unauthorized", http.StatusUnauthorized)
+			return
+		}
+
+		notification, err := storage.GetNotificationByID(db, userID, notificationID)
+		if err != nil {
+			log.Printf("❌ Notification not found or belongs to another user: %v", err)
+			notification = nil
+		} else if !notification.IsRead {
+			err = storage.MarkNotificationAsRead(db, userID, notificationID)
+			if err != nil {
+				log.Printf("⚠️ Failed to mark as read: %v", err)
+			}
+		}
+
+		data := templateHandlers.BuildTemplateData(db, w, r)
+		context := templateHelpers.TemplateContext(w, r, data)
+		context["Notification"] = notification
+
+		tmpl := templateHelpers.LoadTemplateFiles("read.html", "templates/account/notifications/read.html")
+
+		err = tmpl.ExecuteTemplate(w, "layout", context)
+		if err != nil {
+			log.Printf("❌ Template render error: %v", err)
+			http.Error(w, "Template render error", http.StatusInternalServerError)
+		}
+	}
+}