modif erreur chatbot

enseignant/chatbot_api_settings.php

@@ -31,16 +31,17 @@ foreach ($all_models as $model) {
     $models_by_provider[$model['provider']][] = $model;
 }
 
-// Récupérer les statistiques d'utilisation
+// Récupérer les statistiques d'utilisation (requête directe)
 $stats = $db->fetchOne(
     "SELECT 
-        COUNT(DISTINCT id) as total_conversations,
-        SUM(total_messages) as total_messages,
-        provider,
-        model_used
-     FROM v_chatbot_usage_stats
-     WHERE id_enseignant = ?
-     GROUP BY provider, model_used
+        COUNT(DISTINCT cc.id) as total_conversations,
+        COUNT(cm.id) as total_messages,
+        cc.provider,
+        cc.model_used
+     FROM chat_conversations cc
+     LEFT JOIN chat_messages cm ON cm.id_conversation = cc.id
+     WHERE cc.id_enseignant = ?
+     GROUP BY cc.provider, cc.model_used
      ORDER BY total_conversations DESC
      LIMIT 1",
     [$user['id_utilisateur']]
@@ -48,14 +49,15 @@ $stats = $db->fetchOne(
 
 $stats_detail = $db->fetchAll(
     "SELECT 
-        provider,
-        model_used,
-        SUM(total_conversations) as conversations,
-        SUM(total_messages) as messages,
-        month
-     FROM v_chatbot_usage_stats
-     WHERE id_enseignant = ?
-     GROUP BY provider, model_used, month
+        cc.provider,
+        cc.model_used,
+        COUNT(DISTINCT cc.id) as conversations,
+        COUNT(cm.id) as messages,
+        DATE_FORMAT(cc.date_debut, '%Y-%m') as month
+     FROM chat_conversations cc
+     LEFT JOIN chat_messages cm ON cm.id_conversation = cc.id
+     WHERE cc.id_enseignant = ?
+     GROUP BY cc.provider, cc.model_used, month
      ORDER BY month DESC, conversations DESC",
     [$user['id_utilisateur']]
 );