feat(frontend): config history and schedule rollback hooks

k-tv-frontend/hooks/use-channels.ts

@@ -117,3 +117,69 @@ export function useEpg(channelId: string, from?: string, until?: string, channel
     enabled: !!channelId,
   });
 }
+
+export function useConfigHistory(channelId: string) {
+  const { token } = useAuthContext();
+  return useQuery({
+    queryKey: ["config-history", channelId],
+    queryFn: () => api.channels.listConfigHistory(channelId, token!),
+    enabled: !!token && !!channelId,
+  });
+}
+
+export function usePinSnapshot() {
+  const { token } = useAuthContext();
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: ({ channelId, snapId, label }: { channelId: string; snapId: string; label: string | null }) =>
+      api.channels.patchConfigSnapshot(channelId, snapId, label, token!),
+    onSuccess: (_, { channelId }) => qc.invalidateQueries({ queryKey: ["config-history", channelId] }),
+    onError: (e: Error) => toast.error(e.message),
+  });
+}
+
+export function useRestoreConfig() {
+  const { token } = useAuthContext();
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: ({ channelId, snapId }: { channelId: string; snapId: string }) =>
+      api.channels.restoreConfigSnapshot(channelId, snapId, token!),
+    onSuccess: (_, { channelId }) => {
+      qc.invalidateQueries({ queryKey: ["channels"] });
+      qc.invalidateQueries({ queryKey: ["config-history", channelId] });
+    },
+    onError: (e: Error) => toast.error(e.message),
+  });
+}
+
+export function useScheduleHistory(channelId: string) {
+  const { token } = useAuthContext();
+  return useQuery({
+    queryKey: ["schedule-history", channelId],
+    queryFn: () => api.channels.listScheduleHistory(channelId, token!),
+    enabled: !!token && !!channelId,
+  });
+}
+
+export function useScheduleGeneration(channelId: string, genId: string | null) {
+  const { token } = useAuthContext();
+  return useQuery({
+    queryKey: ["schedule-generation", channelId, genId],
+    queryFn: () => api.channels.getScheduleGeneration(channelId, genId!, token!),
+    enabled: !!token && !!channelId && genId !== null,
+  });
+}
+
+export function useRollbackSchedule() {
+  const { token } = useAuthContext();
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: ({ channelId, genId }: { channelId: string; genId: string }) =>
+      api.channels.rollbackSchedule(channelId, genId, token!),
+    onSuccess: (_, { channelId }) => {
+      qc.invalidateQueries({ queryKey: ["schedule-history", channelId] });
+      qc.invalidateQueries({ queryKey: ["schedule", channelId] });
+    },
+    onError: (e: Error) => toast.error(e.message),
+  });
+}