public async Task <Uri> GetMapImage(GameType gameType, string mapName)
{
var blobKey = $"{gameType}_{mapName}.jpg";
if (UriCache.ContainsKey(blobKey))
{
return(UriCache[blobKey]);
}
var blobServiceClient = new BlobServiceClient(_options.StorageConnectionString);
var containerClient = blobServiceClient.GetBlobContainerClient(_options.StorageContainerName);
await containerClient.CreateIfNotExistsAsync(PublicAccessType.Blob);
var blobClient = containerClient.GetBlobClient(blobKey);
if (blobClient.Exists())
{
UriCache.Add(blobKey, blobClient.Uri);
return(blobClient.Uri);
}
try
{
var gameTrackerImageUrl = $"https://image.gametracker.com/images/maps/160x120/{gameType.ToGameTrackerShortName()}/{mapName}.jpg";
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
using (var client = new WebClient())
{
client.Headers.Add("user-agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36");
var data = client.DownloadData(new Uri(gameTrackerImageUrl));
await blobClient.UploadAsync(new MemoryStream(data));
UriCache.Add(blobKey, blobClient.Uri);
return(blobClient.Uri);
}
}
catch
{
// swallow
}
const string defaultImageBlob = "default-image.jpg";
if (UriCache.ContainsKey(defaultImageBlob))
{
return(UriCache[defaultImageBlob]);
}
var defaultImageBlobClient = containerClient.GetBlobClient(defaultImageBlob);
var stream = new MemoryStream(Resources.noimage);
if (!defaultImageBlobClient.Exists())
{
defaultImageBlobClient.Upload(stream);
}
UriCache.Add(defaultImageBlob, defaultImageBlobClient.Uri);
return(defaultImageBlobClient.Uri);
}