public async Task <ReturnCodes> RunAsync()
{
try
{
var accessToken = await _facebookApi.GetAccessTokenAsync(_settings.AppId, _settings.AppSecret);
if (string.IsNullOrWhiteSpace(accessToken))
{
Console.WriteLine("Error. Access token was not retrieved.");
return(ReturnCodes.AccessTokenError);
}
Console.WriteLine("Access token retrieved.");
var pageItems = _fileUtils.LoadCommentsPageInfo(_settings.InputFilePath);
if (pageItems == null || !pageItems.Any())
{
Console.WriteLine($"No input data retrieved from: {_settings.InputFilePath}");
return(ReturnCodes.NoCommentsInfoError);
}
foreach (var page in pageItems)
{
var comments = await _facebookApi.GetPageCommentsAsync(accessToken, page.FacebookPageId);
if (comments == null || !comments.Any())
{
Console.WriteLine($"No Facebook comments retrieved.");
return(ReturnCodes.FacebookGetCommentsError);
}
Console.WriteLine($"Page '{page.TargetPageTitle}'");
var disqusCommentsXml = _diqusFormatter.ConvertCommentsIntoXml(comments, page.TargetPageTitle, page.TargetPageUrl, page.TargetPageId);
if (disqusCommentsXml == null || disqusCommentsXml.Root == null)
{
Console.WriteLine($"Disqus comments convertion failed.");
return(ReturnCodes.DisqusConvertionError);
}
var filePath = _fileUtils.FormatOutputFilePath(_settings.OutputPath, page.TargetPageTitle);
_fileUtils.SaveAsXml(disqusCommentsXml, filePath);
Console.WriteLine($"Disqus comments saved into: {filePath}");
}
return(ReturnCodes.Success);
}
catch (FacebookApiException ex)
{
Console.WriteLine($"Facebook API error occurred: {ex.Message}");
return(ReturnCodes.FacebookGetTokenError);
}
catch (Exception ex)
{
Console.WriteLine($"Unexpected error occurred: {ex.Message}");
return(ReturnCodes.UnexpectedError);
}
}
public async Task RunAsync_ShouldReturnNoCommentsInfoErrorCode_WhenNullReturned()
{
// Arrange
_facebookApi.GetAccessTokenAsync(Arg.Any <string>(), Arg.Any <string>())
.Returns("token");
_fileUtils.LoadCommentsPageInfo(Arg.Any <string>())
.Returns(null as List <CommentsPageInfo>);
var app = new Startup(_settings, _facebookApi, _disqusFormatter, _fileUtils);
// Act
var result = await app.RunAsync();
// Assert
result.Should().Be(ReturnCodes.NoCommentsInfoError);
}