added advertising

src/hooks/useTranscodingStatusPolling.js

@@ -0,0 +1,66 @@
+import { useState, useEffect, useRef } from 'react';
+import { apiFetch } from '../api/apiClient';
+import { API_URL } from '../config/authConstants';
+
+const TERMINAL_STATUSES = ['READY', 'FAILED'];
+const POLL_INTERVAL_MS = 3000;
+const MAX_POLL_ATTEMPTS = 100;
+
+/**
+ * Поллинг статуса транскодинга медиа.
+ * @param {number|string} advertisingId — id сущности
+ * @param {boolean} enabled — включать поллинг
+ * @param {string} [path="ads"] — сегмент пути (например, "ads" или "fullscreen-ads")
+ * @returns {string} транскодинг-статус и его производные (PROCESSING/READY/FAILED/TIMEOUT)
+ */
+export function useTranscodingStatusPolling(advertisingId, enabled, path = "ads") {
+  const [status, setStatus] = useState('PROCESSING');
+  const attemptsRef = useRef(0);
+
+  useEffect(() => {
+    if (!enabled || !advertisingId) return;
+
+    attemptsRef.current = 0;
+    let cancelled = false;
+    let timeoutId;
+
+    const poll = async () => {
+      if (cancelled) return;
+
+      try {
+        const res = await apiFetch(`${API_URL}/api/v1/admin/${path}/${advertisingId}/status`);
+
+        if (!res.ok) {
+          throw new Error(`Status check failed: ${res.status}`);
+        }
+
+        const data = await res.json();
+        if (cancelled) return;
+
+        setStatus(data.transcodingStatus);
+
+        attemptsRef.current += 1;
+        const isTerminal = TERMINAL_STATUSES.includes(data.transcodingStatus);
+        const exceededAttempts = attemptsRef.current >= MAX_POLL_ATTEMPTS;
+
+        if (!isTerminal && !exceededAttempts) {
+          timeoutId = setTimeout(poll, POLL_INTERVAL_MS);
+        } else if (exceededAttempts && !isTerminal) {
+          setStatus('TIMEOUT');
+        }
+      } catch (err) {
+        console.warn('Status poll failed, retrying', err);
+        timeoutId = setTimeout(poll, POLL_INTERVAL_MS);
+      }
+    };
+
+    poll();
+
+    return () => {
+      cancelled = true;
+      clearTimeout(timeoutId);
+    };
+  }, [advertisingId, enabled, path]);
+
+  return status;
+}