feat: don’t download empty CVS Sessions file

Author: modelrailroader

.gitignore

@@ -6,6 +6,7 @@
 
 # PhpStorm/IntelliJ folder
 .idea*
+.run/*
 
 # Mac OS X crap
 .DS_Store

phpmyfaq/admin/assets/src/sessions.js

@@ -21,6 +21,24 @@ export const handleSessions = () => {
   const exportSessions = document.getElementById('exportSessions');
   const csrf = document.getElementById('csrf');
 
+  if (firstHour && lastHour) {
+    firstHour.addEventListener('change', async () => {
+      if (firstHour.value !== '' && lastHour.value !== '') {
+        exportSessions.disabled = false;
+      } else {
+        exportSessions.disabled = true;
+      }
+    });
+    lastHour.addEventListener('change', async () => {
+      if (lastHour.value !== '' && firstHour.value !== '') {
+        exportSessions.disabled = false;
+      } else {
+        exportSessions.disabled = true;
+      }
+    });
+  }
+  exportSessions.disabled = true;
+
   if (exportSessions) {
     exportSessions.addEventListener('click', async (event) => {
       event.preventDefault();

phpmyfaq/admin/statistics.sessions.php

@@ -107,6 +107,7 @@
         'dateToday' => date('Y-m-d'),
         'msgExportSessionsFrom' => Translation::get('msgExportSessionsFrom'),
         'msgExportSessionsTo' => Translation::get('msgExportSessionsTo'),
+        'datePickerMinDate' => date('Y-m-d', $stats->firstDate),
     ];
 
     echo $template->render($templateVars);

phpmyfaq/assets/templates/admin/statistics/sessions.twig

@@ -115,11 +115,11 @@
         <input type="hidden" id="csrf" value="{{ csrfTokenExport }}"/>
         <label for="firstHour" class="col-1 col-form-label">{{ msgExportSessionsFrom }}</label>
         <div class="col-5">
-            <input type="date" class="form-control" id="firstHour"/>
+            <input type="date" class="form-control" min="{{ datePickerMinDate }}" max="{{ dateToday }}" id="firstHour"/>
         </div>
         <label for="lastHour" class="col-1 col-form-label">{{ msgExportSessionsTo }}</label>
         <div class="col-5">
-            <input type="date" class="form-control" id="lastHour" max="{{ dateToday }}"/>
+            <input type="date" class="form-control" id="lastHour" min="{{ datePickerMinDate }}" max="{{ dateToday }}"/>
         </div>
         <div class="mt-3 d-flex justify-content-end">
             <button class="btn btn-primary" type="submit" id="exportSessions">