add caching calculation

analytics.py

@@ -328,6 +328,16 @@ def dashboard():
         cursor = log_db.execute(query, params_for_filter)
         unique_user = cursor.fetchone()[0]
 
+    # Percentage of cached calls
+    query = f'''
+        SELECT (CAST(SUM(CASE WHEN cached = 1 THEN 1 ELSE 0 END) AS FLOAT) / COUNT(*)) * 100
+        FROM file_access_log
+        WHERE timestamp >= ? {filetype_filter_sql}
+    '''
+    with log_db:
+        cursor = log_db.execute(query, params_for_filter)
+        cached_percentage = cursor.fetchone()[0]
+
     # 8. Process location data with GeoIP2
     reader = geoip2.database.Reader('GeoLite2-City.mmdb')
     location_data_dict = {}
@@ -358,5 +368,6 @@ def dashboard():
         total_accesses=total_accesses,
         unique_files=unique_files,
         unique_user=unique_user,
+        cached_percentage=f"{cached_percentage:.2f}",
         timeframe_data=timeframe_data
     )

templates/dashboard.html

@@ -38,7 +38,7 @@
 
     <!-- Summary Cards -->
     <div class="row mb-4">
-      <div class="col-md-4">
+      <div class="col-md-3">
         <div class="card text-white bg-info">
           <div class="card-body">
             <h5 class="card-title">Alle Downloads</h5>
@@ -46,7 +46,7 @@
           </div>
         </div>
       </div>
-      <div class="col-md-4">
+      <div class="col-md-3">
         <div class="card text-white bg-success">
           <div class="card-body">
             <h5 class="card-title">eindeutige Dateien</h5>
@@ -54,7 +54,7 @@
           </div>
         </div>
       </div>
-      <div class="col-md-4">
+      <div class="col-md-3">
         <div class="card text-white bg-warning">
           <div class="card-body">
             <h5 class="card-title">eindeutige Nutzer</h5>
@@ -62,6 +62,14 @@
           </div>
         </div>
       </div>
+      <div class="col-md-3">
+        <div class="card text-white bg-secondary">
+          <div class="card-body">
+            <h5 class="card-title">beschleunigte Downloads</h5>
+            <p class="card-text">{{ cached_percentage }} %</p>
+          </div>
+        </div>
+      </div>
     </div>
 
     <!-- Charts Section -->
@@ -171,7 +179,6 @@
   <script>
     // Data passed from the backend as JSON
     const distinctDeviceData = {{ distinct_device_data|tojson }};
-    // Replace topFilesData usage with timeframeData for this chart
     const timeframeData = {{ timeframe_data|tojson }};
     const userAgentData = {{ user_agent_data|tojson }};
     const folderData = {{ folder_data|tojson }};