- améliore l'export/import (format de fichiers en paramètres, amélioration de la robustesse, )

- ajout bouton tout effacer des propositions et participants

src/app/admin/campaigns/[id]/propositions/page.tsx

@@ -8,6 +8,8 @@ import AddPropositionModal from '@/components/AddPropositionModal';
 import EditPropositionModal from '@/components/EditPropositionModal';
 import DeletePropositionModal from '@/components/DeletePropositionModal';
 import ImportFileModal from '@/components/ImportFileModal';
+import ExportPropositionsButton from '@/components/ExportPropositionsButton';
+import ClearAllPropositionsModal from '@/components/ClearAllPropositionsModal';
 import { Button } from '@/components/ui/button';
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card';
 
@@ -29,6 +31,7 @@ function CampaignPropositionsPageContent() {
   const [showEditModal, setShowEditModal] = useState(false);
   const [showDeleteModal, setShowDeleteModal] = useState(false);
   const [showImportModal, setShowImportModal] = useState(false);
+  const [showClearAllModal, setShowClearAllModal] = useState(false);
   const [selectedProposition, setSelectedProposition] = useState<Proposition | null>(null);
 
   useEffect(() => {
@@ -84,11 +87,11 @@ function CampaignPropositionsPageContent() {
     try {
       const propositionsToCreate = data.map(row => ({
         campaign_id: campaignId,
-        title: row.title || '',
-        description: row.description || '',
-        author_first_name: row.author_first_name || 'admin',
-        author_last_name: row.author_last_name || 'admin',
-        author_email: row.author_email || 'admin@example.com'
+        title: row.Titre || '',
+        description: row.Description || '',
+        author_first_name: row.Prénom || 'admin',
+        author_last_name: row.Nom || 'admin',
+        author_email: row.Email || 'admin@example.com'
       }));
 
       // Créer les propositions une par une
@@ -102,7 +105,15 @@ function CampaignPropositionsPageContent() {
     }
   };
 
-
+  const handleClearAllPropositions = async () => {
+    try {
+      await propositionService.deleteAllByCampaign(campaignId);
+      loadData();
+    } catch (error) {
+      console.error('Erreur lors de la suppression des propositions:', error);
+      throw error;
+    }
+  };
 
   const getInitials = (firstName: string, lastName: string) => {
     return `${firstName.charAt(0)}${lastName.charAt(0)}`.toUpperCase();
@@ -171,6 +182,20 @@ function CampaignPropositionsPageContent() {
                 <Upload className="w-4 h-4 mr-2" />
                 Importer
               </Button>
+              <ExportPropositionsButton 
+                propositions={propositions}
+                campaignTitle={campaign.title}
+              />
+              {propositions.length > 0 && (
+                <Button 
+                  variant="outline" 
+                  onClick={() => setShowClearAllModal(true)}
+                  className="text-red-600 border-red-200 hover:bg-red-50 hover:border-red-300 dark:text-red-400 dark:border-red-800 dark:hover:bg-red-900/20"
+                >
+                  <FileText className="w-4 h-4 mr-2" />
+                  Tout effacer
+                </Button>
+              )}
               <Button onClick={() => setShowAddModal(true)} size="lg">
                 ✨ Nouvelle proposition
               </Button>
@@ -299,6 +324,14 @@ function CampaignPropositionsPageContent() {
           type="propositions"
           campaignTitle={campaign?.title}
         />
+
+        <ClearAllPropositionsModal
+          isOpen={showClearAllModal}
+          onClose={() => setShowClearAllModal(false)}
+          onConfirm={handleClearAllPropositions}
+          campaignTitle={campaign?.title}
+          propositionCount={propositions.length}
+        />
       </div>
     </div>
   );