public async Task<HttpResponseMessage> GetMedia(string id)
{
HttpResponseMessage result;
ClaimsPrincipal user = User as ClaimsPrincipal;
Claim userIdClaim = user.Claims.FirstOrDefault(claim => claim.Type == ClaimTypes.NameIdentifier);
if (userIdClaim == null || string.IsNullOrEmpty(userIdClaim.Value))
{
result = Request.CreateResponse(HttpStatusCode.InternalServerError);
}
else
{
string ravenId = string.Concat(BlogMediaRavenCollectionName, "/", id);
BlogMedia blogMedia = await RavenSession.LoadAsync<BlogMedia>(ravenId);
if (blogMedia == null)
{
result = Request.CreateResponse(HttpStatusCode.NotFound);
}
else
{
if (userIdClaim.Value.Equals(blogMedia.AuthorId, StringComparison.InvariantCultureIgnoreCase) == false)
{
// TODO: Log here
// Basically, the media author is not the one who has been authenticated. return 404 for security reasons.
result = Request.CreateResponse(HttpStatusCode.NotFound);
}
else
{
MediaModel media = new MediaModel
{
Id = id,
AuthorName = user.Identity.Name,
ContentType = blogMedia.ContentType,
ImageUrl = new Uri(blogMedia.MediaUrl, UriKind.Absolute),
LastUpdated = blogMedia.LastUpdatedOn
};
result = Request.CreateResponse(HttpStatusCode.OK, media);
}
}
}
return result;
}
private void Enrich(MediaModel media, UrlHelper url)
{
string selfUrl = url.Link("DefaultApi", new { controller = "media", id = media.Id });
media.AddLink(new SelfLink(selfUrl));
media.AddLink(new EditLink(selfUrl));
}
public async Task<HttpResponseMessage> PostMedia()
{
// TODO: Try to solve the retrieval problem with a custom Parameter Binding impl.
HttpResponseMessage result;
ClaimsPrincipal user = User as ClaimsPrincipal;
Claim userIdClaim = user.Claims.FirstOrDefault(claim => claim.Type == ClaimTypes.NameIdentifier);
if (userIdClaim == null || string.IsNullOrEmpty(userIdClaim.Value))
{
result = Request.CreateResponse(HttpStatusCode.InternalServerError);
}
else
{
// Check if there is anything inside the message body
if (Request.Content != null && Request.Content.Headers.ContentLength > 0)
{
string contentType = Request.Content.Headers.ContentType.MediaType;
string extension = GetExtension(contentType);
if (string.IsNullOrEmpty(extension) == true)
{
result = Request.CreateResponse(HttpStatusCode.BadRequest);
}
else
{
string pictureUrl = null;
string imageId = Guid.NewGuid().ToString();
string fileName = string.Concat(imageId, extension);
using (Stream contentStream = await Request.Content.ReadAsStreamAsync())
{
contentStream.Seek(0, SeekOrigin.Begin);
try
{
pictureUrl = await _pictureManager.UploadAsync(contentStream, ImagesAzureBlobContainerName, fileName, contentType);
}
catch (Exception ex)
{
// TODO: Log here.
}
}
if (string.IsNullOrEmpty(pictureUrl) == true)
{
result = Request.CreateResponse(HttpStatusCode.InternalServerError);
}
else
{
BlogMedia blogMedia = new BlogMedia
{
Id = string.Concat(BlogMediaRavenCollectionName, "/", imageId),
AuthorId = userIdClaim.Value,
ContentType = contentType,
MediaUrl = pictureUrl,
CreatedOn = DateTimeOffset.Now,
LastUpdatedOn = DateTimeOffset.Now
};
MediaModel mediaModel = new MediaModel
{
Id = imageId,
AuthorName = user.Identity.Name,
ImageUrl = new Uri(pictureUrl, UriKind.Absolute),
ContentType = contentType,
LastUpdated = DateTimeOffset.Now
// Title = "Awesome Pic Title...",
// Summary = "Awesome Pic Summary...",
};
await RavenSession.StoreAsync(blogMedia);
HttpResponseMessage response = Request.CreateResponse(HttpStatusCode.Created, mediaModel);
Uri selfLink = new Uri(Url.Link("DefaultApi", new { controller = "media", id = imageId }));
response.Headers.Location = selfLink;
result = response;
}
}
}
else
{
result = Request.CreateResponse(HttpStatusCode.Conflict);
}
}
return result;
}
