feat: implement directory size check and seed abort

src/main/services/download/helpers.ts

@@ -1,3 +1,6 @@
+import path from "node:path";
+import fs from "node:fs";
+
 export const calculateETA = (
   totalLength: number,
   completedLength: number,
@@ -11,3 +14,26 @@ export const calculateETA = (
 
   return -1;
 };
+
+export const getDirSize = async (dir: string): Promise<number> => {
+  const getItemSize = async (filePath: string): Promise<number> => {
+    const stat = await fs.promises.stat(filePath);
+
+    if (stat.isDirectory()) {
+      return getDirSize(filePath);
+    }
+
+    return stat.size;
+  };
+
+  try {
+    const files = await fs.promises.readdir(dir);
+    const filePaths = files.map((file) => path.join(dir, file));
+    const sizes = await Promise.all(filePaths.map(getItemSize));
+
+    return sizes.reduce((total, size) => total + size, 0);
+  } catch (error) {
+    console.error(error);
+    return 0;
+  }
+};