public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = null)] HttpRequest req,
[Table("likes", Connection = "AccountStorage-Conn")] CloudTable cloudTable,
CancellationToken cancellationToken,
ILogger log)
{
log.LogInformation("C# HTTP trigger function processed a request.");
if (req.Headers.TryGetValue(FacebookTokenValidation.AccessToken, out var accessToken))
{
log.LogInformation("Validating fb token");
var fbUser = await FacebookTokenValidation.IsTokenValid(accessToken, cancellationToken);
log.LogInformation($"Valid fb token, received userId : {fbUser.Id}");
log.LogInformation($"Reading body");
var body = await new StreamReader(req.Body).ReadToEndAsync();
if (string.IsNullOrWhiteSpace(body))
{
log.LogWarning($"Empty Body");
return(new BadRequestResult());
}
log.LogInformation($"Received body : {body}, trying to deserialize");
var likeDto = JsonConvert.DeserializeObject <LikeDto>(body);
log.LogInformation("Deserialized");
var partitionKey = likeDto.PostId;
var rowKey = fbUser.Id;
log.LogInformation($"Retrieving record by partitionKey: {partitionKey} and rowKey: {rowKey}");
var likeRecord = await cloudTable.Get <TableEntity>(partitionKey, rowKey);
if (likeRecord != null)
{
log.LogInformation($"Deleting record :{partitionKey} - {rowKey}");
await cloudTable.ExecuteAsync(TableOperation.Delete(likeRecord));
log.LogInformation($"Deleted record :{partitionKey} - {rowKey}");
}
else
{
log.LogInformation($"Not Found");
return(new NotFoundResult());
}
log.LogInformation("Done");
return(new OkResult());
}
return(new BadRequestResult());
}
private static async Task <IActionResult> InternalExecution(HttpRequest req, string postId, CloudTable collector,
CancellationToken cancellationToken, ILogger log, HttpOperation httpMethod)
{
try
{
log.LogInformation("C# HTTP trigger function processed a request.");
if (req.Headers.TryGetValue("access_token", out var accessToken))
{
log.LogInformation("Validating fb token");
var fbUser = await FacebookTokenValidation.IsTokenValid(accessToken, cancellationToken);
log.LogInformation($"Valid fb token, received userId : {fbUser.Id}");
log.LogInformation($"Invoking property method to {httpMethod} http method");
switch (httpMethod)
{
case HttpOperation.Post:
case HttpOperation.Put:
return(await PostOrPutExecution(req, postId, collector, log, fbUser, httpMethod));
case HttpOperation.Delete:
return(await DeleteExecution(postId, collector, log, fbUser));
default:
return(new InternalServerErrorResult());
}
}
return(new UnauthorizedResult());
}
catch (HttpRequestException ex) when(ex.Message.Contains("401"))
{
return(new UnauthorizedResult());
}
catch (HttpRequestException ex) when(ex.Message.Contains("404") || ex.Message.Contains("not found", StringComparison.InvariantCultureIgnoreCase))
{
return(new NotFoundResult());
}
}