📚 Improved backend structure & logging (#123) - Streamlined database connections, optimized log files, and refactored configurations for better maintainability. 🌳🔍📈💻🖥️

backend/templates/energy_dashboard.html

@@ -4,6 +4,8 @@
 
 {% block head %}
 {{ super() }}
+<!-- CSRF-Token für AJAX-Requests -->
+<meta name="csrf-token" content="{{ csrf_token() }}">
 <!-- Chart.js für Energiediagramme -->
 <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
 <!-- Enhanced CSS für Energiemonitoring mit Dark/Light Mode -->
@@ -334,7 +336,7 @@
                             <th class="px-6 py-3 text-left text-xs font-medium text-slate-500 dark:text-slate-400 uppercase tracking-wider">Status</th>
                             <th class="px-6 py-3 text-left text-xs font-medium text-slate-500 dark:text-slate-400 uppercase tracking-wider">Aktuelle Leistung</th>
                             <th class="px-6 py-3 text-left text-xs font-medium text-slate-500 dark:text-slate-400 uppercase tracking-wider">Tagesverbrauch</th>
-                            <th class="px-6 py-3 text-left text-xs font-medium text-slate-500 dark:text-slate-400 uppercase tracking-wider">Aktionen</th>
+                            <th class="px-6 py-3 text-left text-xs font-medium text-slate-500 dark:text-slate-400 uppercase tracking-wider">Steuerung</th>
                         </tr>
                     </thead>
                     <tbody id="device-table-body" class="bg-white dark:bg-slate-800 divide-y divide-slate-200 dark:divide-slate-700">
@@ -577,14 +579,122 @@ function updateDeviceTable(devices) {
                 <div class="text-sm text-slate-500 dark:text-slate-400">Heute</div>
             </td>
             <td class="px-6 py-4 whitespace-nowrap text-sm font-medium">
-                <a href="/energy/device/${device.id}" class="text-blue-600 dark:text-blue-400 hover:text-blue-800 dark:hover:text-blue-300 transition-colors duration-200">
-                    Details anzeigen
-                </a>
+                <div class="flex space-x-2">
+                    <!-- Steuerungsbutton für Drucker mit konfigurierten Steckdosen -->
+                    ${device.ip ? 
+                        `<button onclick="togglePrinter(${device.id}, '${device.online ? 'off' : 'on'}')" 
+                                class="px-3 py-1 rounded-md text-xs font-medium transition-colors duration-200 ${device.online ? 
+                                    'bg-red-100 text-red-700 hover:bg-red-200 dark:bg-red-900/30 dark:text-red-400 dark:hover:bg-red-900/50' : 
+                                    'bg-green-100 text-green-700 hover:bg-green-200 dark:bg-green-900/30 dark:text-green-400 dark:hover:bg-green-900/50'
+                                }">
+                            ${device.online ? '🔴 Ausschalten' : '🟢 Einschalten'}
+                        </button>` : 
+                        `<span class="px-3 py-1 rounded-md text-xs font-medium bg-gray-100 text-gray-500 dark:bg-gray-800 dark:text-gray-400">
+                            Keine Steckdose
+                        </span>`
+                    }
+                    <a href="/energy/device/${device.id}" class="px-3 py-1 bg-blue-100 text-blue-700 hover:bg-blue-200 dark:bg-blue-900/30 dark:text-blue-400 dark:hover:bg-blue-900/50 rounded-md text-xs font-medium transition-colors duration-200">
+                        Details
+                    </a>
+                </div>
             </td>
         `;
         
         tbody.appendChild(row);
     });
 }
+
+async function togglePrinter(printerId, action) {
+    try {
+        const response = await fetch(`/api/printers/control/${printerId}/power`, {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json',
+                'X-CSRFToken': getCSRFToken()
+            },
+            body: JSON.stringify({ action: action })
+        });
+        
+        if (response.ok) {
+            const result = await response.json();
+            if (result.success) {
+                // Erfolgsmeldung anzeigen
+                showNotification(`Drucker ${result.printer_name} wurde ${action === 'on' ? 'eingeschaltet' : 'ausgeschaltet'}`, 'success');
+                
+                // Daten neu laden nach 2 Sekunden
+                setTimeout(() => {
+                    loadEnergyData();
+                    loadDeviceList();
+                }, 2000);
+            } else {
+                showNotification(`Fehler: ${result.error}`, 'error');
+            }
+        } else {
+            const errorData = await response.json();
+            showNotification(`API-Fehler: ${errorData.error || 'Unbekannter Fehler'}`, 'error');
+        }
+    } catch (error) {
+        console.error('Fehler beim Schalten des Druckers:', error);
+        showNotification('Verbindungsfehler beim Schalten des Druckers', 'error');
+    }
+}
+
+function getCSRFToken() {
+    // CSRF-Token aus Meta-Tag oder Cookie holen
+    const csrfMeta = document.querySelector('meta[name="csrf-token"]');
+    if (csrfMeta) {
+        return csrfMeta.getAttribute('content');
+    }
+    
+    // Fallback: Cookie lesen
+    const name = 'csrf_token=';
+    const decodedCookie = decodeURIComponent(document.cookie);
+    const ca = decodedCookie.split(';');
+    for(let i = 0; i < ca.length; i++) {
+        let c = ca[i];
+        while (c.charAt(0) == ' ') {
+            c = c.substring(1);
+        }
+        if (c.indexOf(name) == 0) {
+            return c.substring(name.length, c.length);
+        }
+    }
+    return '';
+}
+
+function showNotification(message, type) {
+    // Notification erstellen
+    const notification = document.createElement('div');
+    notification.className = `fixed top-4 right-4 px-6 py-3 rounded-lg shadow-lg z-50 transition-all duration-300 ${
+        type === 'success' ? 
+            'bg-green-100 text-green-800 border border-green-200 dark:bg-green-900/30 dark:text-green-400 dark:border-green-800' :
+            'bg-red-100 text-red-800 border border-red-200 dark:bg-red-900/30 dark:text-red-400 dark:border-red-800'
+    }`;
+    
+    notification.innerHTML = `
+        <div class="flex items-center">
+            <svg class="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                ${type === 'success' ? 
+                    '<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7"></path>' :
+                    '<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"></path>'
+                }
+            </svg>
+            <span>${message}</span>
+        </div>
+    `;
+    
+    document.body.appendChild(notification);
+    
+    // Nach 5 Sekunden automatisch entfernen
+    setTimeout(() => {
+        notification.style.opacity = '0';
+        notification.style.transform = 'translateX(100%)';
+        setTimeout(() => {
+            if (notification.parentNode) {
+                notification.parentNode.removeChild(notification);
+            }
+        }, 300);
+    }, 5000);
+}
 </script>
 {% endblock %}