/// <summary>
/// Scape show data from TVMazeApi and persist data in DB
/// Skip shows that are already in DB
/// </summary>
/// <returns></returns>
public async Task ScrapeShows()
{
var maxMazeShowId = await this.showRepository.GetMaxMazeId() ?? 0;
var pageNumber = GetCurrentPageNumber(maxMazeShowId);
var showsFromMaze = await this.tvMazeApiHttpClient.GetShowsOnPage(pageNumber);
var showsCount = showsFromMaze.Count;
_ = showsFromMaze.RemoveAll(s => s.Id <= maxMazeShowId);
await this.showRepository.InsertRange(ModelMappers.ConvertShowsFromMazeToShows(showsFromMaze));
var isEndOfShowPagesReached = showsCount == 0;
while (!isEndOfShowPagesReached)
{
var tasks = Enumerable.Range(1, 10)
.Select(i => this.taskLimiter.LimitAsync(() => ScrapeShowAsync(++pageNumber + i)));
var showsCountArray = await Task.WhenAll(tasks).ConfigureAwait(false);
isEndOfShowPagesReached = showsCountArray.Any(sc => sc == 0);
}
}
private async Task <int> ScrapeShowAsync(int pageNumber)
{
var showsFromMaze = await this.tvMazeApiHttpClient.GetShowsOnPage(++pageNumber);
await this.showRepository.InsertRange(ModelMappers.ConvertShowsFromMazeToShows(showsFromMaze));
return(showsFromMaze.Count);
}
public void ConvertShowsFromMazeToShows()
{
// Arrange
var expected = GetShows() as List <Show>;
var showsFromMaze = GetShowsFromMaze();
// Act
var result = ModelMappers.ConvertShowsFromMazeToShows(showsFromMaze as List <ShowDataMaze>);
// Assert
_ = result.Should().BeEquivalentTo(expected);
}