public ScenesController
(
SceneDescriptorRepository sceneDescriptorRepository,
IGameSceneService gameSceneService
)
{
SceneDescriptorRepository = sceneDescriptorRepository;
GameSceneService = gameSceneService;
}
public GameSceneService
(
IOptions <S3Configuration> s3Configuration,
SceneDescriptorRepository sceneDescriptorRepository,
ICloudStorageService cloudStorageService
)
{
S3Configuration = s3Configuration.Value;
SceneDescriptorRepository = sceneDescriptorRepository;
CloudStorageService = cloudStorageService;
}
public async Task <SceneDescriptor> AddScene(Scene scene)
{
var key = await UploadScene(scene, $"scenes/{Guid.NewGuid()}.json").ConfigureAwait(false);
if (key == null)
{
return(null);
}
var descriptor = new SceneDescriptor {
StorageKey = key, Name = scene.Name
};
await SceneDescriptorRepository.Add(descriptor);
return(descriptor.Id == null ? null : descriptor);
}
public async Task <bool> DeleteScene(string id)
{
var descriptor = await SceneDescriptorRepository.Get(id).ConfigureAwait(false);
if (descriptor == null)
{
return(false);
}
var key = WebUtility.UrlDecode(descriptor.StorageKey);
var deleted = await CloudStorageService.DeleteFile(S3Configuration.BucketName, key).ConfigureAwait(false);
if (deleted)
{
await SceneDescriptorRepository.Delete(descriptor.Id).ConfigureAwait(false);
}
return(deleted);
}
public async Task <bool> UpdateScene(Scene scene)
{
var descriptor = await SceneDescriptorRepository.GetByStorageKey(scene.StorageKey).ConfigureAwait(false);
if (descriptor == null)
{
return(false);
}
var key = await UploadScene(scene, scene.StorageKey).ConfigureAwait(false);
if (key != null)
{
descriptor.Name = scene.Name;
await SceneDescriptorRepository.Replace(descriptor).ConfigureAwait(false);
}
return(key != null);
}
public async Task <Scene> GetScene(string id)
{
var descriptor = await SceneDescriptorRepository.Get(id).ConfigureAwait(false);
if (descriptor == null)
{
return(null);
}
var key = WebUtility.UrlDecode(descriptor.StorageKey);
var file = await CloudStorageService.GetFile(S3Configuration.BucketName, key).ConfigureAwait(false);
using (var reader = new StreamReader(file))
{
var option = new JsonSerializerOptions {
PropertyNamingPolicy = JsonNamingPolicy.CamelCase
};
var scene = JsonSerializer.Deserialize <Scene>(reader.ReadToEnd(), option);
scene.StorageKey = key;
return(RenewPreSignedUrls(scene));
}
}
public async Task <IEnumerable <SceneDescriptor> > GetSceneDescriptors([FromQuery] int limit = 0)
{
return(await SceneDescriptorRepository.Get(limit).ConfigureAwait(false));
}
