feat(pre-matricula): compress uploaded preview images using sharp to JPEG for WhatsApp

manager/server.selfhosted.js

@@ -4256,8 +4256,31 @@ async function startServer() {
       if (!req.file) {
         return res.status(400).json({ error: 'Nenhum arquivo enviado.' });
       }
-      const fileName = `pre_${Date.now()}_${Math.random().toString(36).substring(7)}_${req.file.originalname.replace(/[^a-zA-Z0-9.-]/g, '_')}`;
+
-      const url = await uploadFile('prematriculas', fileName, req.file.buffer, req.file.mimetype);
+      let fileBuffer = req.file.buffer;
+      let contentType = req.file.mimetype;
+      let fileName = req.file.originalname.replace(/[^a-zA-Z0-9.-]/g, '_');
+
+      // Se for uma imagem, compacta usando sharp e converte para JPEG para garantir compatibilidade com WhatsApp
+      if (contentType.startsWith('image/')) {
+        try {
+          fileBuffer = await sharp(req.file.buffer)
+            .resize(600, 600, { fit: 'inside', withoutEnlargement: true })
+            .jpeg({ quality: 75, progressive: true })
+            .toBuffer();
+          contentType = 'image/jpeg';
+          
+          // Garante que a extensão seja .jpg no final do nome
+          const lastDot = fileName.lastIndexOf('.');
+          const baseName = lastDot !== -1 ? fileName.substring(0, lastDot) : fileName;
+          fileName = `${baseName}.jpg`;
+        } catch (sharpError) {
+          console.warn('[PreMatricula:Upload] Falha ao processar com sharp, enviando original:', sharpError.message);
+        }
+      }
+
+      const finalFileName = `pre_${Date.now()}_${Math.random().toString(36).substring(7)}_${fileName}`;
+      const url = await uploadFile('prematriculas', finalFileName, fileBuffer, contentType);
       res.json({ url });
     } catch (e) {
       console.error('[PreMatricula:Upload] Erro de upload:', e);