feat(processing): smistamento ricorsivo cartelle + gestione unrouted per ZIP e folder

services/unrouted.js

@@ -0,0 +1,53 @@
+const fs = require('fs-extra');
+const path = require('path');
+const os = require('os');
+
+const PRIMARY_UNROUTED_DIR = '/cadroute/__NON_SMISTATI';
+const HOME_UNROUTED_DIR = path.join(os.homedir(), '.cadroute', '__NON_SMISTATI');
+
+let resolvedUnroutedDirPromise = null;
+
+async function resolveUnroutedDir() {
+  if (!resolvedUnroutedDirPromise) {
+    resolvedUnroutedDirPromise = (async () => {
+      try {
+        await fs.ensureDir(PRIMARY_UNROUTED_DIR);
+        return PRIMARY_UNROUTED_DIR;
+      } catch {
+        await fs.ensureDir(HOME_UNROUTED_DIR);
+        return HOME_UNROUTED_DIR;
+      }
+    })();
+  }
+
+  return resolvedUnroutedDirPromise;
+}
+
+async function getUniquePath(destinationDir, fileName) {
+  const parsed = path.parse(fileName);
+  let candidate = path.join(destinationDir, fileName);
+  let counter = 1;
+
+  while (await fs.pathExists(candidate)) {
+    candidate = path.join(destinationDir, `${parsed.name}__${counter}${parsed.ext}`);
+    counter += 1;
+  }
+
+  return candidate;
+}
+
+async function getUnroutedTarget(fileName) {
+  const destinationDir = await resolveUnroutedDir();
+  const destinationPath = await getUniquePath(destinationDir, fileName);
+
+  return {
+    destinationDir,
+    destinationPath,
+  };
+}
+
+module.exports = {
+  getUnroutedTarget,
+  PRIMARY_UNROUTED_DIR,
+  HOME_UNROUTED_DIR,
+};