Ajout de la gestion des images avec scan, suppression et mise à jour des mesures dans la base de données

src/data/filewatcher.js

@@ -0,0 +1,42 @@
+import db from '../../db.js';
+import path from 'path';
+import storageManager from '../data/storageManager.js';
+import fs from 'fs';
+
+async function checkAndRemoveInvalidEntries() {
+   console.log('Checking for invalid entries...');
+   try {
+      const measurementsRes = await db.query('SELECT id, path FROM measurements');
+      console.log('Fetched measurements:', measurementsRes.rows);
+      for (const row of measurementsRes.rows) {
+         console.log('Checking file path:', row.path);
+         if (!fs.existsSync(row.path)) {
+            // Remove invalid entry
+            await db.query('DELETE FROM measurements WHERE id = $1', [row.id]);
+            console.log(`Deleted invalid measurement entry with id: ${row.id}`);
+         }
+      }
+
+      // Scan all images in storage
+      const allImages = await storageManager.scanAllImages();
+      console.log('Scanned all images:', allImages);
+      for (const imagePath of allImages) {
+         const entryRes = await db.query('SELECT id FROM measurements WHERE path = $1', [imagePath]);
+         if (entryRes.rows.length === 0) {
+            // Remove the file if the entry does not exist
+            fs.unlinkSync(imagePath);
+            console.log(`Deleted file at path: ${imagePath} as its database entry does not exist`);
+         }
+      }
+   } catch (err) {
+      console.error('Error checking and removing invalid entries:', err);
+   }
+}
+
+
+
+// Run the check periodically
+setInterval(checkAndRemoveInvalidEntries, 10000); // Every second
+
+// Initial run
+checkAndRemoveInvalidEntries();

src/data/storageManager.js

@@ -19,6 +19,27 @@ function deleteFolder(name){
    }
 }
 
+function scanAllImages(dir = 'storage') {
+   const projectDir = path.join(PROJECTS_DIR, dir);
+   let results = [];
+   
+   function scanDirectory(directory) {
+      const files = fs.readdirSync(directory);
+      files.forEach(file => {
+         const filePath = path.join(directory, file);
+         const stat = fs.statSync(filePath);
+         if (stat.isDirectory()) {
+            scanDirectory(filePath);
+         } else if (file.endsWith('.jpg')) {
+            results.push(filePath);
+         }
+      });
+   }
+
+   scanDirectory(projectDir);
+   return results;
+}
+
 function saveFile(filePath, content) {
    // Ensure content is a buffer
    if (Buffer.isBuffer(content)) {
@@ -28,16 +49,23 @@ function saveFile(filePath, content) {
    }
 }
 
-
 function getFile(name){
    const filePath = path.join(PROJECTS_DIR, `${name}`);
    return fs
    .readFileSync(filePath);
 }
 
+function deleteFile(name){
+   const filePath = path.join(PROJECTS_DIR, `${name}`);
+   if (fs.existsSync(filePath))
+      fs.rmSync(filePath);
+}
+
 module.exports = {
    createFolder,
    deleteFolder,
+   scanAllImages,
    saveFile,
-   getFile
+   getFile,
+   deleteFile
 };