feat: refactor file operations and add utility functions for file management

src/utils/fileops.ts

@@ -0,0 +1,58 @@
+import chalk from "chalk";
+import type { ApiClient } from "../types/apiClient.js";
+
+export async function listFiles(client: ApiClient, functionId: string) {
+  const response = await client.get(`/api/function/${functionId}/files`);
+  if (response.status === 200) return response.data.data || [];
+  throw new Error(`Unexpected status ${response.status}`);
+}
+
+export async function createOrUpdateFile(client: ApiClient, functionId: string, filename: string, code: string) {
+  const payload = { filename, code };
+  const response = await client.put(`/api/function/${functionId}/file`, payload);
+  if (response.status === 200 || response.status === 201) return response.data;
+  throw new Error(`Unexpected status ${response.status}`);
+}
+
+export async function deleteFile(client: ApiClient, functionId: string, fileId: string, filename?: string) {
+  // Some endpoints expect filename on body; include if provided.
+  const opts: any = {};
+  if (filename) opts.data = { filename };
+  const response = await client.delete(`/api/function/${functionId}/file/${fileId}`, opts);
+  if (response.status === 200) return true;
+  throw new Error(`Unexpected status ${response.status}`);
+}
+
+export async function renameFile(client: ApiClient, functionId: string, fileId: string, newFilename: string) {
+  const response = await client.patch(
+    `/api/function/${functionId}/file/${fileId}/rename`,
+    { newFilename },
+  );
+  if (response.status === 200) return response.data;
+  throw new Error(`Unexpected status ${response.status}`);
+}
+
+export function handleAxiosError(error: any) {
+  if (error.response) {
+    if (error.response.status === 404) {
+      console.error(`${chalk.red("✗")} Not found.`);
+      return { errorType: "notfound" };
+    }
+    console.error(`${chalk.red("✗")} ${error.response.data?.message || error.response.statusText}`);
+    return { errorType: "response", details: error.response };
+  }
+  if (error.request) {
+    console.error(`${chalk.red("✗")} No response received from server.`);
+    return { errorType: "norequest" };
+  }
+  console.error(`${chalk.red("✗")} Error: ${error.message}`);
+  return { errorType: "other" };
+}
+
+export default {
+  listFiles,
+  createOrUpdateFile,
+  deleteFile,
+  renameFile,
+  handleAxiosError,
+};