public async Task FetchFullDownloadableDataIntoDatabase(
string routeId, int idForRestApi, CancellationToken token, IProgressListener listener)
{
routeDto = (await routesApiAccess.GetRoutes(new List <int> {
idForRestApi
})).Items.First();
if (token.IsCancellationRequested)
{
return;
}
route = DbManager.DataAccess.Routes().GetRoute(routeId);
pagesAndMediaForMissingExhibits = new List <ExhibitPagesAndMediaContainer>();
var allMissingExhibits = DbManager.DataAccess.Exhibits().GetExhibits().ToList().FindAll(x => !x.DetailsDataLoaded); // Exhibits not fully loaded yet
missingExhibitsForRoute = allMissingExhibits.ToList().FindAll(x => routeDto.Exhibits.Contains(x.IdForRestApi)); // Select those part of the route
double totalSteps = FetchNeededMediaForFullRoute();
foreach (var exhibit in missingExhibitsForRoute) // Fetch media for missing exhibits and save them for later download
{
var pagesAndRequiredMediaForExhibit = await fullExhibitDataFetcher.FetchPagesAndMediaForExhibitFromRouteFetcher(exhibit.IdForRestApi);
if (token.IsCancellationRequested)
{
return;
}
pagesAndMediaForMissingExhibits.Add(pagesAndRequiredMediaForExhibit);
totalSteps += pagesAndRequiredMediaForExhibit.RequiredMedia.Count;
}
listener.SetMaxProgress(totalSteps);
await AddFullExhibitsToRoute(route, token, listener); // Download all missing exhibits
if (token.IsCancellationRequested)
{
return;
}
await FetchMediaData(token, listener);
var mediaToFilePath = await mediaDataFetcher.WriteMediaToDiskAsync();
DbManager.InTransaction(transaction =>
{
var dataAccess = transaction.DataAccess;
ProcessRoute(token, dataAccess, mediaToFilePath); // Download audio
if (token.IsCancellationRequested)
{
transaction.Rollback();
}
});
}
public async Task <bool> AnyRouteChanged(IReadOnlyDataAccess dataAccess)
{
RoutesDto changedRoutes;
var dbRoutes = dataAccess.Routes().GetRoutes().ToList();
if (dbRoutes.Any())
{
var latestTimestamp = dbRoutes.Max(x => x.Timestamp);
changedRoutes = await routesApiAccess.GetRoutes(latestTimestamp);
}
else
{
changedRoutes = await routesApiAccess.GetRoutes();
}
fetchedChangedRoutes = changedRoutes.Items;
return(fetchedChangedRoutes.Any());
}