From 5ffa1ec83927b5c36f2497d005b0763656f90465 Mon Sep 17 00:00:00 2001
From: dakerboul <crowbar51kerbal@gmail.com>
Date: Thu, 13 Mar 2025 12:10:21 +0100
Subject: [PATCH] =?UTF-8?q?Ajouter=20une=20fonction=20de=20pr=C3=A9visuali?=
 =?UTF-8?q?sation=20d'image=20pour=20redimensionner=20et=20renvoyer=20une?=
 =?UTF-8?q?=20image=20JPEG?=
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---
 routes/imageRoutes.js | 35 ++++++++++++++++++++++-------------
 1 file changed, 22 insertions(+), 13 deletions(-)

diff --git a/routes/imageRoutes.js b/routes/imageRoutes.js
index e4dec80..6328f68 100644
--- a/routes/imageRoutes.js
+++ b/routes/imageRoutes.js
@@ -62,6 +62,26 @@ router.get('/images/:measurementId', (req, res) => {
     });
 });
 
+async function previewImage(imagePath, factor, res) {
+    try {
+        // Obtenir les dimensions originales de l'image
+        const metadata = await sharp(imagePath).metadata();
+        const width = Math.floor(metadata.width / factor);
+        const height = Math.floor(metadata.height / factor);
+
+        // Redimensionner l'image à la moitié de ses dimensions d'origine
+        const resizedImage = await sharp(imagePath)
+            .resize(width, height)
+            .jpeg({ quality: 65 })
+            .toBuffer();
+
+        res.set('Content-Type', 'image/jpeg');
+    } catch (err) {
+        console.error('Error resizing image:', err);
+        res.status(500).json({ error: 'Internal Server Error' });
+    }
+}
+
 router.get('/preview/:projectId/:orderId', async (req, res) => {
     const projectId = req.params.projectId;
     const orderId = req.params.orderId;
@@ -81,19 +101,8 @@ router.get('/preview/:projectId/:orderId', async (req, res) => {
                 console.error('Image not found:', err);
                 return res.status(404).json({ error: 'Image not found' });
             }
-
-            // Obtenir les dimensions originales de l'image
-            const metadata = await sharp(imagePath).metadata();
-            const width = Math.floor(metadata.width / 7);
-            const height = Math.floor(metadata.height / 7);
-
-            // Redimensionner l'image à la moitié de ses dimensions d'origine
-            const resizedImage = await sharp(imagePath)
-                .resize(width, height)
-                .jpeg({ quality: 65 })
-                .toBuffer();
-
-            res.set('Content-Type', 'image/jpeg');
+            const factor = 7;
+            const resizedImage = await previewImage(imagePath, factor, res);
             res.send(resizedImage);
         });
     } catch (err) {