Merge pull request 'added users section in stats' (#1) from feature/showUsersInStats into development

Reviewed-on: #1

backend/main.go

@@ -200,6 +200,7 @@ type StatsResponse struct {
 	FQDNs        int `json:"fqdns"`
 	CSRs         int `json:"csrs"`
 	Certificates int `json:"certificates"`
+	Users        int `json:"users"`
 }
 
 type Space struct {
@@ -655,7 +656,7 @@ func getStatsHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	var spacesCount, fqdnsCount, csrsCount, certificatesCount int
+	var spacesCount, fqdnsCount, csrsCount, certificatesCount, usersCount int
 
 	// Zähle Spaces
 	err := db.QueryRow("SELECT COUNT(*) FROM spaces").Scan(&spacesCount)
@@ -689,11 +690,20 @@ func getStatsHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	// Zähle Benutzer
+	err = db.QueryRow("SELECT COUNT(*) FROM users").Scan(&usersCount)
+	if err != nil {
+		http.Error(w, "Fehler beim Abrufen der Statistiken", http.StatusInternalServerError)
+		log.Printf("Fehler beim Zählen der Benutzer: %v", err)
+		return
+	}
+
 	response := StatsResponse{
 		Spaces:      spacesCount,
 		FQDNs:       fqdnsCount,
 		CSRs:        csrsCount,
 		Certificates: certificatesCount,
+		Users:       usersCount,
 	}
 
 	json.NewEncoder(w).Encode(response)
@@ -2211,6 +2221,12 @@ components:
         csrs:
           type: integer
           example: 7
+        certificates:
+          type: integer
+          example: 8
+        users:
+          type: integer
+          example: 3
     Space:
       type: object
       properties:

frontend/src/pages/Home.jsx

@@ -267,6 +267,20 @@ const Home = () => {
                     </div>
                   </div>
                 </div>
+                
+                <div className="bg-gradient-to-br from-cyan-500/20 to-cyan-600/20 rounded-lg p-4 border border-cyan-500/30">
+                  <div className="flex items-center justify-between">
+                    <div>
+                      <p className="text-sm text-slate-300 mb-1">Benutzer</p>
+                      <p className="text-3xl font-bold text-white">{stats.users || 0}</p>
+                    </div>
+                    <div className="w-12 h-12 bg-cyan-500/20 rounded-full flex items-center justify-center">
+                      <svg className="w-6 h-6 text-cyan-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth="2" d="M12 4.354a4 4 0 110 5.292M15 21H3v-1a6 6 0 0112 0v1zm0 0h6v-1a6 6 0 00-9-5.197M13 7a4 4 0 11-8 0 4 4 0 018 0z" />
+                      </svg>
+                    </div>
+                  </div>
+                </div>
               </div>
             ) : (
               <p className="text-slate-400">Fehler beim Laden der Statistiken</p>