feat: audit api, sdwan persist, relay fallback updates

internal/server/audit_api.go

@@ -0,0 +1,40 @@
+package server
+
+import (
+	"encoding/json"
+	"net/http"
+	"strconv"
+)
+
+// GET /api/v1/admin/audit?tenant=3&limit=50&offset=0
+func (s *Server) HandleAdminAudit(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodGet {
+		http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
+		return
+	}
+	limit := 50
+	offset := 0
+	if v := r.URL.Query().Get("limit"); v != "" {
+		if i, err := strconv.Atoi(v); err == nil && i > 0 && i <= 500 {
+			limit = i
+		}
+	}
+	if v := r.URL.Query().Get("offset"); v != "" {
+		if i, err := strconv.Atoi(v); err == nil && i >= 0 {
+			offset = i
+		}
+	}
+	tenantID := int64(0)
+	if v := r.URL.Query().Get("tenant"); v != "" {
+		if i, err := strconv.ParseInt(v, 10, 64); err == nil {
+			tenantID = i
+		}
+	}
+	logs, err := s.store.ListAuditLogs(tenantID, limit, offset)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	w.Header().Set("Content-Type", "application/json")
+	_ = json.NewEncoder(w).Encode(map[string]any{"error": 0, "logs": logs})
+}