private async Task <FilesUploadResponse> UploadFileOverWebApi(File file, ILogger logger)
{
string postUrl = $"https://slack.com/api/files.upload?token={this.slackToken}";
var requestContent = file.ToKeyValuePairs();
HttpResponseMessage response;
try
{
response = await HttpClient.PostAsync(postUrl, new FormUrlEncodedContent(requestContent));
}
catch (Exception ex)
{
logger.LogError($"Failed to POST file upload to Slack. Exception: {ex.Message}");
throw;
}
if (!response.IsSuccessStatusCode)
{
logger.LogError($"Non-success response was returned when POSTing a file upload to Slack. Response: {response.StatusCode}; {response.ReasonPhrase}");
}
var content = await response.Content.ReadAsStringAsync();
var parsedContent = JObject.Parse(content);
bool isOk = parsedContent["ok"].Value <bool>();
if (!isOk)
{
logger.LogError($"Slack response indicated things were not OK with the file upload. Here's the content: {content}");
}
if (!response.IsSuccessStatusCode && !isOk)
{
throw new HttpRequestException(content);
}
return(JsonConvert.DeserializeObject <FilesUploadResponse>(content));
}
public Task UploadFileAsync(File file, ILogger logger) => this.UploadFileOverWebApi(file, logger);