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refactor: replace docker file operations with local fs #1

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b22b94b
test: verify fs file operations
f3lixel Aug 14, 2025
cb66d4f
refactor: use process-managed filesystem
f3lixel Aug 14, 2025
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46 changes: 21 additions & 25 deletions backend/src/services/export.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2,51 +2,47 @@ import { exec } from "child_process";
import fs from "fs/promises";
import path from "path";
import { promisify } from "util";
import * as processService from "./process";

const execAsync = promisify(exec);

export async function exportContainerCode(
containerId: string
): Promise<Buffer> {
const tempDir = `/tmp/export-${containerId}-${Date.now()}`;
export async function exportContainerCode(id: string): Promise<Buffer> {
const projectPath = processService.getProjectPath(id);
if (!projectPath) throw new Error("Prozess nicht gefunden");

const tempDir = `/tmp/export-${id}-${Date.now()}`;
const zipPath = `${tempDir}.zip`;

try {
await execAsync("pnpm build", { cwd: projectPath });
await fs.mkdir(tempDir, { recursive: true });

const copyCommand = `docker cp ${containerId}:/app/my-nextjs-app/. ${tempDir}/`;
await execAsync(copyCommand);

const nodeModulesPath = path.join(tempDir, "node_modules");
const nextPath = path.join(tempDir, ".next");

try {
await fs.rm(nodeModulesPath, { recursive: true, force: true });
} catch {}

try {
await fs.rm(nextPath, { recursive: true, force: true });
} catch {}

const zipCommand = `cd ${tempDir} && zip -r ${zipPath} . -x "*.DS_Store"`;
await execAsync(zipCommand);

await fs.cp(projectPath, tempDir, { recursive: true });

await fs.rm(path.join(tempDir, "node_modules"), {
recursive: true,
force: true,
});
await fs.rm(path.join(tempDir, ".next"), {
recursive: true,
force: true,
});

await execAsync(`zip -r ${zipPath} . -x "*.DS_Store"`, { cwd: tempDir });
const zipBuffer = await fs.readFile(zipPath);

await fs.rm(tempDir, { recursive: true, force: true });
await fs.rm(zipPath, { force: true });

return zipBuffer;
} catch (error) {
try {
await fs.rm(tempDir, { recursive: true, force: true });
await fs.rm(zipPath, { force: true });
} catch {}

throw new Error(
`Export failed: ${
`Export fehlgeschlagen: ${
error instanceof Error ? error.message : "Unknown error"
}`
);
}
}

48 changes: 48 additions & 0 deletions backend/src/services/file.test.ts
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Original file line number Diff line number Diff line change
@@ -0,0 +1,48 @@
import { expect, test, mock } from "bun:test";
import fs from "fs/promises";
import os from "os";
import path from "path";

test("file operations without Docker", async () => {
const projectPath = await fs.mkdtemp(path.join(os.tmpdir(), "project-"));
const id = "test-id";

mock.module("./process", () => ({
getProjectPath: () => projectPath,
}));

const {
getFileTree,
getFileContentTree,
writeFile,
readFile,
renameFile,
removeFile,
} = await import("./file");

try {
await writeFile(id, "dir/sample.txt", "hello");
const content = await readFile(id, "dir/sample.txt");
expect(content).toBe("hello");

await renameFile(id, "dir/sample.txt", "dir/renamed.txt");
const renamed = await readFile(id, "dir/renamed.txt");
expect(renamed).toBe("hello");

const tree = await getFileTree(id);
expect(tree.length).toBe(1);
expect(tree[0].name).toBe("dir");
expect(tree[0].children?.[0].name).toBe("renamed.txt");

const contentTree = await getFileContentTree(id);
const fileItem = contentTree[0].children?.[0];
expect(fileItem?.content).toBe("hello");

await removeFile(id, "dir/renamed.txt");
const treeAfter = await getFileTree(id);
expect(treeAfter[0].children?.length).toBe(0);
} finally {
mock.restore();
await fs.rm(projectPath, { recursive: true, force: true });
}
});
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