Refactor getImages function to improve filename validation and enhance skipped items logging

src/getImages.js

@@ -15,27 +15,50 @@ function getImages() {
 
   const lines = fs.readFileSync(CSV_FILE, "utf-8").split("\n");
   if (VERBOSE) console.log(`[pictshare-browse] CSV file line count: ${lines.length}`);
-  let skipped = 0;
   const path = require("path");
   const csvDir = path.dirname(CSV_FILE);
+  let skippedItems = [];
   const images = lines
-    .filter(line => line.includes(";"))
+    .map(line => line.trim())
+    .filter(line => line && line.includes(";"))
     .map(line => {
-      const [hash, filename] = line.split(";");
-      const dirPath = path.join(csvDir, filename.trim());
-      if (!fs.existsSync(dirPath) || !fs.lstatSync(dirPath).isDirectory()) {
-        skipped++;
-        if (VERBOSE) console.warn(`[pictshare-browse] Skipping: ${filename.trim()} (missing directory: ${dirPath})`);
+      const [hash, filenameRaw] = line.split(";");
+      const filename = filenameRaw && filenameRaw.trim();
+      if (!filename) {
+        skippedItems.push({ reason: "empty filename", line });
+        return null;
+      }
+      const dirPath = path.join(csvDir, filename);
+      try {
+        const stat = fs.statSync(dirPath);
+        if (!stat.isDirectory()) {
+          skippedItems.push({ reason: "not a directory", filename, dirPath });
+          return null;
+        }
+      } catch (e) {
+        skippedItems.push({ reason: "missing directory", filename, dirPath });
         return null;
       }
       return {
-        url: `${IMAGE_BASE_URL.replace(/\/$/, "")}/${filename.trim()}`,
-        name: filename.trim(),
+        url: `${IMAGE_BASE_URL.replace(/\/$/, "")}/${filename}`,
+        name: filename,
         hash: hash,
       };
     })
     .filter(Boolean);
-  if (VERBOSE) console.log(`[pictshare-browse] Images loaded: ${images.length}, Skipped: ${skipped}`);
+  if (VERBOSE) {
+    console.log(`[pictshare-browse] Images loaded: ${images.length}, Skipped: ${skippedItems.length}`);
+    if (skippedItems.length > 0) {
+      console.warn(`[pictshare-browse] Skipped items:`);
+      skippedItems.forEach(item => {
+        if (item.line) {
+          console.warn(`  [line] ${item.reason}: ${item.line}`);
+        } else {
+          console.warn(`  [${item.filename}] ${item.reason}: ${item.dirPath}`);
+        }
+      });
+    }
+  }
   return images;
 }