general cleanup - removed old comments, enforced naming conventions etc

backend/internal/handlers/alert_event.go

@@ -0,0 +1,58 @@
+package handlers
+
+import (
+	"log"
+	"net/http"
+	"strconv"
+
+	"github.com/kjannette/koin-ping/backend/internal/domain"
+	"github.com/kjannette/koin-ping/backend/internal/middleware"
+	"github.com/kjannette/koin-ping/backend/internal/models"
+)
+
+// AlertEventHandler handles HTTP requests for alert event history.
+type AlertEventHandler struct {
+	alertEvents *models.AlertEventModel
+}
+
+// NewAlertEventHandler creates a new AlertEventHandler.
+func NewAlertEventHandler(alertEvents *models.AlertEventModel) *AlertEventHandler {
+	return &AlertEventHandler{alertEvents: alertEvents}
+}
+
+// List handles GET requests to list recent alert events for the current user.
+func (h *AlertEventHandler) List(w http.ResponseWriter, r *http.Request) {
+	userID := middleware.GetUserID(r.Context())
+
+	limitStr := r.URL.Query().Get("limit")
+	limit := 20
+	if limitStr != "" {
+		if n, err := strconv.Atoi(limitStr); err == nil {
+			limit = n
+		}
+	}
+
+	log.Printf("User %s listing alert events (limit: %d)", userID, limit)
+
+	if limit < 1 || limit > 100 {
+		writeError(w, http.StatusBadRequest, "VALIDATION_ERROR", "Limit must be between 1 and 100")
+
+		return
+	}
+
+	events, err := h.alertEvents.ListRecentByUser(r.Context(), userID, limit)
+	if err != nil {
+		log.Printf("Error listing alert events: %v", err)
+		writeError(w, http.StatusInternalServerError, "INTERNAL_ERROR", "Failed to list alert events")
+
+		return
+	}
+
+	log.Printf("Found %d alert events for user", len(events))
+
+	if events == nil {
+		events = []domain.AlertEvent{}
+	}
+
+	writeJSON(w, http.StatusOK, events)
+}