Fleshing out some routes from notifications and messages

internal/handlers/account/notifications/list.go

@@ -0,0 +1,78 @@
+package accountNotificationHandler
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+func NewAccountNotificationHandlers(svc NotificationService) *AccountNotificationHandlers {
+	return &AccountNotificationHandlers{Svc: svc}
+}
+
+// GET /account/notifications
+// Renders: web/templates/account/notifications/index.html
+func (h *AccountNotificationHandlers) List(c *gin.Context) {
+	userID := mustUserID(c)
+	items, err := h.Svc.List(userID)
+	if err != nil {
+		c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"error": "failed to load notifications"})
+		return
+	}
+	c.HTML(http.StatusOK, "account/notifications/index.html", gin.H{
+		"title":         "Notifications",
+		"notifications": items,
+	})
+}
+
+// --- Optional since you have read.html ---
+
+// GET /account/notifications/:id
+// Renders: web/templates/account/notifications/read.html
+func (h *AccountNotificationHandlers) ReadGet(c *gin.Context) {
+	userID := mustUserID(c)
+	id, err := parseIDParam(c, "id")
+	if err != nil {
+		c.AbortWithStatus(http.StatusNotFound)
+		return
+	}
+	nt, err := h.Svc.GetByID(userID, id)
+	if err != nil || nt == nil {
+		c.AbortWithStatus(http.StatusNotFound)
+		return
+	}
+	c.HTML(http.StatusOK, "account/notifications/read.html", gin.H{
+		"title":        nt.Title,
+		"notification": nt,
+	})
+}
+
+// --- helpers (same as in messages; consider sharing in a pkg) ---
+
+func mustUserID(c *gin.Context) int64 {
+	if v, ok := c.Get("userID"); ok {
+		if id, ok2 := v.(int64); ok2 {
+			return id
+		}
+	}
+	return 1
+}
+
+func parseIDParam(c *gin.Context, name string) (int64, error) {
+	return atoi64(c.Param(name))
+}
+
+func atoi64(s string) (int64, error) {
+	var n int64
+	for _, ch := range []byte(s) {
+		if ch < '0' || ch > '9' {
+			return 0, &strconvNumErr{}
+		}
+		n = n*10 + int64(ch-'0')
+	}
+	return n, nil
+}
+
+type strconvNumErr struct{}
+
+func (e *strconvNumErr) Error() string { return "invalid number" }