Improve ban events search search through all db-entries and also implement pagination to load more events

pkg/web/handlers.go

@@ -365,13 +365,25 @@ func UnbanNotificationHandler(c *gin.Context) {
 	c.JSON(http.StatusOK, gin.H{"message": "Unban notification processed successfully"})
 }
 
-// ListBanEventsHandler returns stored ban events from the internal database.
+// ListBanEventsHandler returns stored ban events from the internal database with optional search and pagination.
+// Query params: serverId, limit (default 50, max 50), offset (default 0, max 1000), since, search, country.
+// When offset=0, response includes total (matching count). Response includes hasMore when more results exist.
 func ListBanEventsHandler(c *gin.Context) {
 	serverID := c.Query("serverId")
-	limit := 100
-	if limitStr := c.DefaultQuery("limit", "100"); limitStr != "" {
+	limit := storage.MaxBanEventsLimit
+	if limitStr := c.DefaultQuery("limit", strconv.Itoa(storage.MaxBanEventsLimit)); limitStr != "" {
 		if parsed, err := strconv.Atoi(limitStr); err == nil && parsed > 0 {
-			limit = parsed
+			if parsed <= storage.MaxBanEventsLimit {
+				limit = parsed
+			}
+		}
+	}
+	offset := 0
+	if offsetStr := c.DefaultQuery("offset", "0"); offsetStr != "" {
+		if parsed, err := strconv.Atoi(offsetStr); err == nil && parsed >= 0 {
+			if parsed <= storage.MaxBanEventsOffset {
+				offset = parsed
+			}
 		}
 	}
 
@@ -381,13 +393,24 @@ func ListBanEventsHandler(c *gin.Context) {
 			since = parsed
 		}
 	}
+	search := strings.TrimSpace(c.Query("search"))
+	country := strings.TrimSpace(c.Query("country"))
 
-	events, err := storage.ListBanEvents(c.Request.Context(), serverID, limit, since)
+	ctx := c.Request.Context()
+	events, err := storage.ListBanEventsFiltered(ctx, serverID, limit, offset, since, search, country)
 	if err != nil {
 		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
 		return
 	}
-	c.JSON(http.StatusOK, gin.H{"events": events})
+
+	resp := gin.H{"events": events, "hasMore": len(events) == limit}
+	if offset == 0 {
+		total, errCount := storage.CountBanEventsFiltered(ctx, serverID, since, search, country)
+		if errCount == nil {
+			resp["total"] = total
+		}
+	}
+	c.JSON(http.StatusOK, resp)
 }
 
 // BanStatisticsHandler returns aggregated ban counts per server.