public Task UnlikeBookAsync()
{
if (bookReading == null)
{
//this could happen if the book was already liked from before
return IsCollectedAsync().ContinueWith(isCollected =>
{
if (isCollected.Result)
{
bookReading = AppContext.CurrentUser.GetReadingForBook(SelectedBook.Id);
client.Readings.DeleteReadingAsync(
AppContext.AccessToken.Token,
bookReading.Id).Wait();
AppContext.CurrentUser.RemoveBookFromLocalCollection(SelectedBook.Id);
}
else
{
throw new InvalidOperationException(AppStrings.NoReadingEx);
}
});
}
else
{
return
client.Readings.DeleteReadingAsync(
AppContext.AccessToken.Token,
bookReading.Id).ContinueWith(task =>
{
if(task.IsCompleted)
AppContext.CurrentUser.RemoveBookFromLocalCollection(SelectedBook.Id);
});
}
}
public Task LikeBookAsync()
{
//if reading already exists, update?
return IsCollectedAsync().ContinueWith(isCollected =>
{
if (!isCollected.Result)
{
string readingLink =
client.Books.PostBookReadingAsync(
AppContext.AccessToken.Token,
SelectedBook.Id,
Reading.ReadingState.Interesting).Result;
AppContext.CurrentUser.AddBookToLocalCollection(SelectedBook);
bookReading = client.Readings.GetFromPermalinkAsync<Reading>(
readingLink,
AppContext.AccessToken.Token).Result;
}
});
}
public Task<string> PostBookReadingAsync(string accessToken, string bookId, Reading.ReadingState state, bool isPrivate = false, string closingRemark = null)
{
ReadingPost newReading= new ReadingPost();
//newReading.AccessToken = accessToken;
newReading.Reading = new Reading();
newReading.Reading.State = state;
newReading.Reading.IsPrivate = isPrivate;
newReading.Reading.ClosingRemark = closingRemark;
IDictionary<string, string> parameters = GetInitializedParameterCollection();
parameters.Add(ReadmillConstants.AccessToken, accessToken);
parameters.Add(BooksClient.BookId, bookId);
var bookReadingUrl = booksUriTemplates[BooksUriTemplateType.BookReadings].BindByName(this.readmillBaseUri, parameters);
return PostAsync<ReadingPost>(newReading, bookReadingUrl);
}