314 lines
12 KiB
JavaScript
314 lines
12 KiB
JavaScript
/**
|
||
* Hoover — api.js
|
||
*
|
||
* JSON-friendly fetch wrapper with automatic header management (JWT headers
|
||
* injected from the auth model) and 401 re-authentication.
|
||
* Toast notification system with auto-dismiss.
|
||
* Modal processing guard for async form submissions.
|
||
*/
|
||
|
||
import { modelFetch } from './model.js';
|
||
import { getAuthToken, getAuthData, refreshAuth } from './auth_model.js';
|
||
import { requestUpdate } from './reactivity.js';
|
||
import { isModalProcessing, setModalProcessing, refreshModals } from './components/modal.js';
|
||
|
||
/**
|
||
* JSON-friendly fetch wrapper.
|
||
*
|
||
* Automatically sets Content-Type for object bodies, parses JSON
|
||
* responses, and normalises the result to { ok, data, error, status }.
|
||
* Injects ``Authorization: Bearer`` and ``X-Session-Id`` headers when a
|
||
* token is present (read from the auth model). On 401 it runs the auth
|
||
* model's refresh once and retries; a still-401 retry drives the model to
|
||
* the terminal logout state (clears storage, redirects to login).
|
||
*
|
||
* @param {string} url – Target URL
|
||
* @param {object} [options] – Fetch options (method, body, headers, …)
|
||
* @returns {Promise<{ok, data, error, status}>}
|
||
*/
|
||
export async function apiFetch(url, options = {}) {
|
||
const { method = 'GET', body, ...opts } = options;
|
||
// Drop the caller's raw headers so the merged object (with the injected
|
||
// Authorization / X-Session-Id) always wins when spread into the fetch options.
|
||
const { headers: _callerHeaders, ...safeOpts } = opts;
|
||
const headers = { 'Accept': 'application/json', ..._callerHeaders };
|
||
const token = getAuthToken();
|
||
if (token) {
|
||
headers['Authorization'] = 'Bearer ' + token;
|
||
const auth = getAuthData();
|
||
if (auth?.session_id) headers['X-Session-Id'] = auth.session_id;
|
||
}
|
||
|
||
if (body && typeof body === 'object' && !(body instanceof FormData)) {
|
||
headers['Content-Type'] = 'application/json';
|
||
options.body = JSON.stringify(body);
|
||
}
|
||
|
||
try {
|
||
const res = await fetch(url, { method, headers, body: options.body, credentials: 'same-origin', ...safeOpts });
|
||
if (safeOpts.signal?.aborted) {
|
||
return { ok: false, data: null, error: 'Aborted', status: 0 };
|
||
}
|
||
if (res.status === 401 && token) {
|
||
await refreshAuth();
|
||
const auth = getAuthData();
|
||
if (auth?.token) {
|
||
headers['Authorization'] = 'Bearer ' + auth.token;
|
||
headers['X-Session-Id'] = auth.session_id; // rotated — re-read from model
|
||
const retryRes = await fetch(url, { method, headers, body: options.body, credentials: 'same-origin', ...safeOpts });
|
||
if (retryRes.ok) {
|
||
const json = await retryRes.json().catch(() => null);
|
||
return { ok: json?.ok ?? true, data: json ? (json.ok ? json.data : json) : null, error: null, status: retryRes.status };
|
||
}
|
||
if (retryRes.status === 401) {
|
||
// Refresh succeeded but the retry is still 401 — the session is
|
||
// dead. Drive the model to the terminal logout state; its
|
||
// onSuccess clears storage and redirects to #/login.
|
||
modelFetch('auth', { action: 'logout' });
|
||
return { ok: false, data: null, error: 'Session expired', status: 401 };
|
||
}
|
||
const json = await retryRes.json().catch(() => null);
|
||
return { ok: false, data: null, error: json?.error || `HTTP ${retryRes.status}`, status: retryRes.status };
|
||
}
|
||
// No token after the refresh — onSuccess already cleared storage
|
||
// and redirected to #/login.
|
||
return { ok: false, data: null, error: 'Session expired', status: 401 };
|
||
}
|
||
const json = await res.json();
|
||
|
||
if (!res.ok) {
|
||
return { ok: false, data: null, error: json.error || `HTTP ${res.status}`, status: res.status };
|
||
}
|
||
return { ok: json.ok, data: json.ok ? json.data : json, error: null, status: res.status };
|
||
} catch (e) {
|
||
return { ok: false, data: null, error: e.message || 'Network error', status: 0 };
|
||
}
|
||
}
|
||
|
||
/** ─── Toast notifications ────────────────────────────────── */
|
||
|
||
/** Toast notification queue. Exported for ToastContainer component. */
|
||
export const _toasts = [];
|
||
const _toastIds = { next: 1 };
|
||
|
||
/**
|
||
* Show a toast notification. Auto-dismisses after `duration` ms.
|
||
*
|
||
* @param {string} message – Toast text
|
||
* @param {string} [type] – 'info' | 'success' | 'error' | 'warning'
|
||
* @param {number} [duration] – Auto-dismiss timeout in ms (0 = indefinite)
|
||
* @returns {number} id
|
||
*/
|
||
export function toast(message, type = 'info', duration = 4000) {
|
||
const id = _toastIds.next++;
|
||
_toasts.push({ id, message, type, createdAt: Date.now(), duration });
|
||
requestUpdate();
|
||
|
||
if (duration > 0) setTimeout(() => dismissToast(id), duration);
|
||
return id;
|
||
}
|
||
|
||
/**
|
||
* Dismiss a toast by id.
|
||
*/
|
||
export function dismissToast(id) {
|
||
const idx = _toasts.findIndex(t => t.id === id);
|
||
if (idx !== -1) _toasts.splice(idx, 1);
|
||
requestUpdate();
|
||
}
|
||
|
||
/**
|
||
* Create an abort-checking function from an AbortController.
|
||
*
|
||
* @deprecated Use model layer (`modelRegister` / `modelFetch`) for data
|
||
* fetching with abort handling and loading state management.
|
||
* @param {AbortController} ac
|
||
* @returns {function} () => boolean
|
||
*/
|
||
export function checkAbort(ac) {
|
||
return () => ac?.signal?.aborted || false;
|
||
}
|
||
|
||
/**
|
||
* Standard data loading wrapper with state management and abort handling.
|
||
*
|
||
* Sets loading=true before, loading=false after, tracks errors.
|
||
*
|
||
* @deprecated Use model layer (`modelRegister` / `modelFetch`) for data
|
||
* fetching with abort handling and loading state management.
|
||
* @param {object} state - Reactive state object
|
||
* @param {function} dataKey - (s) => any, current data to compare for refresh detection
|
||
* @param {function} fetchFn - (state, signal, isAborted) => Promise
|
||
* @param {object} [opts] - Additional options
|
||
* @param {object} [opts.entry] - Component entry for requestId tracking
|
||
* @param {AbortController} [opts.abortController] - Fresh abort controller
|
||
*/
|
||
export async function refactorLoad(state, dataKey, fetchFn, opts = {}) {
|
||
const entry = opts.entry;
|
||
const myId = entry ? entry.requestId : 0;
|
||
const ab = opts.abortController;
|
||
const isAborted = ab ? checkAbort(ab) : () => false;
|
||
const signal = ab ? ab.signal : null;
|
||
|
||
if (entry) {
|
||
if (dataKey(state) !== undefined) state.refreshing = true;
|
||
else state.loading = true;
|
||
}
|
||
state.error = null;
|
||
|
||
try {
|
||
await fetchFn(state, signal, isAborted);
|
||
} catch (e) {
|
||
if (!isAborted()) state.error = e.message || 'Request failed';
|
||
} finally {
|
||
if (!isAborted()) {
|
||
if (entry) {
|
||
state.loading = false;
|
||
state.refreshing = false;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Poll a URL until success or error condition is met.
|
||
*
|
||
* @param {object} opts
|
||
* @param {string} opts.url - URL to poll
|
||
* @param {function} opts.successKey - (data) => boolean, when true poll succeeds
|
||
* @param {function} opts.onErrorKey - (data) => boolean, when true poll fails
|
||
* @param {function} [opts.onComplete] - (data) => void, called on success
|
||
* @param {function} [opts.onError] - (data) => void, called on failure
|
||
* @param {number} [opts.interval] - Poll interval in ms (default: 3000)
|
||
* @param {number} [opts.timeout] - Overall timeout in ms (default: 60000)
|
||
*/
|
||
export async function poll(opts) {
|
||
const {
|
||
url,
|
||
successKey,
|
||
onErrorKey,
|
||
onComplete,
|
||
onError,
|
||
interval = 3000,
|
||
timeout = 60000,
|
||
} = opts;
|
||
|
||
const start = Date.now();
|
||
const timer = setInterval(async () => {
|
||
if (Date.now() - start > timeout) {
|
||
clearInterval(timer);
|
||
if (onError) onError(null);
|
||
return;
|
||
}
|
||
const res = await apiFetch(url);
|
||
if (!res.ok) {
|
||
clearInterval(timer);
|
||
if (onError) onError(res);
|
||
return;
|
||
}
|
||
if (successKey(res.data)) {
|
||
clearInterval(timer);
|
||
if (onComplete) onComplete(res.data);
|
||
} else if (onErrorKey(res.data)) {
|
||
clearInterval(timer);
|
||
if (onError) onError(res.data);
|
||
}
|
||
}, interval);
|
||
}
|
||
|
||
/**
|
||
* Centralized handler wrapper that encapsulates processing guard,
|
||
* processing state, error handling, and modal re-render.
|
||
*
|
||
* Used by any handler not using `apiSubmit`. The async function receives
|
||
* no arguments and should perform validation (via `throw`), API calls,
|
||
* success/error toasting, modal closing, and data refreshing.
|
||
*
|
||
* @param {function} fn – Async handler function
|
||
* @returns {function} Wrapped handler
|
||
*/
|
||
export function formAction(fn) {
|
||
return async () => {
|
||
if (isModalProcessing()) return;
|
||
setModalProcessing(true);
|
||
try {
|
||
await fn();
|
||
} catch (e) {
|
||
toast(e.message || 'Failed', 'error');
|
||
} finally {
|
||
setModalProcessing(false);
|
||
refreshModals();
|
||
}
|
||
};
|
||
}
|
||
|
||
/**
|
||
* Generate action button descriptors for modal form submission.
|
||
*
|
||
* Returns an array of action descriptors that can be spread into the
|
||
* actions array passed to formModal. First item is the submit button.
|
||
*
|
||
* @param {object} opts
|
||
* @param {string} opts.url - API URL to POST/PUT to
|
||
* @param {string} [opts.method] - HTTP method (default: 'POST')
|
||
* @param {function} [opts.body] - () => object, body builder
|
||
* @param {function} [opts.validate] - (body) => string|null, validation function
|
||
* @param {string} [opts.successMsg] - Success toast message
|
||
* @param {string|string[]} [opts.refresh] - Model name(s) to refresh via modelFetch
|
||
* @param {string} [opts.submitText] - Submit button text (default: 'Submit')
|
||
* @returns {object[]} Array of action descriptors
|
||
*/
|
||
export function apiSubmit(opts) {
|
||
const {
|
||
url,
|
||
method = 'POST',
|
||
body,
|
||
validate,
|
||
successMsg = 'Saved',
|
||
refresh,
|
||
submitText = 'Submit',
|
||
closeModal,
|
||
} = opts;
|
||
|
||
return [
|
||
{
|
||
label: submitText,
|
||
cls: 'btn-primary',
|
||
action: 's',
|
||
processing: true,
|
||
handler: async () => {
|
||
if (isModalProcessing()) return;
|
||
setModalProcessing(true);
|
||
try {
|
||
const b = body ? body() : {};
|
||
if (validate) {
|
||
const err = validate(b);
|
||
if (err) { toast(err, 'error'); return; }
|
||
}
|
||
refreshModals();
|
||
const res = await apiFetch(url, { method, body: b });
|
||
if (res.ok) {
|
||
const synced = res.data?.synced;
|
||
let msg = successMsg;
|
||
if (synced && synced.length) {
|
||
msg += ' (auto-synced: ' + synced.join(', ') + ')';
|
||
synced.forEach(s => modelFetch(s));
|
||
}
|
||
toast(msg, 'success');
|
||
if (closeModal) closeModal();
|
||
if (refresh) {
|
||
const models = Array.isArray(refresh) ? refresh : [refresh];
|
||
await Promise.all(models.map(m => modelFetch(m)));
|
||
}
|
||
} else {
|
||
toast(res.error || 'Failed', 'error');
|
||
}
|
||
} finally {
|
||
setModalProcessing(false);
|
||
refreshModals();
|
||
}
|
||
},
|
||
},
|
||
];
|
||
}
|