Initial DDC release

web/static/js/api.js

@@ -0,0 +1,61 @@
+export class ApiError extends Error {
+  constructor(status, message) {
+    super(message);
+    this.status = status;
+  }
+}
+
+const unauthorizedListeners = new Set();
+
+export function onUnauthorized(listener) {
+  unauthorizedListeners.add(listener);
+}
+
+function parseBody(text) {
+  if (!text) return null;
+  try {
+    return JSON.parse(text);
+  } catch {
+    return null;
+  }
+}
+
+async function request(method, path, body) {
+  const options = { method, credentials: "same-origin", headers: {} };
+  if (body !== undefined) {
+    options.headers["Content-Type"] = "application/json";
+    options.body = JSON.stringify(body);
+  }
+
+  const response = await fetch(path, options);
+  const data = parseBody(await response.text());
+
+  if (!response.ok) {
+    if (response.status === 401 && path !== "/api/login") {
+      unauthorizedListeners.forEach((listener) => listener());
+    }
+    const message = data && data.error ? data.error : `Request failed (${response.status})`;
+    throw new ApiError(response.status, message);
+  }
+  return data;
+}
+
+function jobPath(id, suffix = "") {
+  return `/api/jobs/${encodeURIComponent(id)}${suffix}`;
+}
+
+export const api = {
+  session: () => request("GET", "/api/session"),
+  login: (username, password) => request("POST", "/api/login", { username, password }),
+  logout: () => request("POST", "/api/logout", {}),
+  libraries: () => request("GET", "/api/libraries"),
+  disk: () => request("GET", "/api/disk"),
+  settings: () => request("GET", "/api/settings"),
+  saveSettings: (settings) => request("POST", "/api/settings", settings),
+  jobs: () => request("GET", "/api/jobs"),
+  createJob: (url, autoExtract) => request("POST", "/api/jobs", { url, autoExtract }),
+  files: (id) => request("GET", jobPath(id, "/files")),
+  extract: (id, path) => request("POST", jobPath(id, "/extract"), { path }),
+  move: (id, payload) => request("POST", jobPath(id, "/move"), payload),
+  remove: (id) => request("DELETE", jobPath(id)),
+};