public async Task <IActionResult> GetAllMedia([FromQuery] string kind = "All")
{
var query = Context.MediaItems
.Where(m => m.Removed == false)
.Select(m => new MediaResponseItem
{
Id = m.Id,
Title = m.Title,
Consumed = m.Consumed,
DateConsumed = m.DateConsumed,
Kind = m.Kind,
RecommendedBy = m.RecommendedBy
});
if (kind != "All")
{
query = query.Where(q => q.Kind == kind);
}
var response = new GetMediaResponse
{
Data = await query.ToListAsync(),
FilteredBy = kind
};
return(Ok(response));
//
// 2. This should be an asynchronous call. We are using up a valuable
// thread of execution just waiting for the database query to run.
}
public async Task <IActionResult> GetAllMedia([FromQuery] string kind = "All")
{
var query = Context.MediaItems
.Where(m => m.Removed == false)
.Select(m => new MediaResponseItem
{
Id = m.Id,
Title = m.Title,
Consumed = m.Consumed,
DateConsumed = m.DateConsumed,
Kind = m.Kind,
RecommendedBy = m.RecommendedBy
});
if (kind != "All")
{
query = query.Where(q => q.Kind == kind);
}
var response = new GetMediaResponse
{
Data = await query.ToListAsync(),
FilteredBy = kind
};
return(Ok(response));
}
public GetMediaResponse GetMediaStream(GetMediaRequest request)
{
var resp = new GetMediaResponse();
var session = FindSession(request.SessionId);
if (session != null)
{
Stream stream = null;
if (request.MediaId.HasValue)
{
stream = _cache.GetMediaDataStream(request.MediaId.Value);
}
else
{
stream = _cache.GetMediaDataStream(request.OldMediaId.Value);
}
return(new GetMediaResponse()
{
RequestId = request.RequestId,
SessionId = request.SessionId,
MediaId = request.MediaId,
OldMediaId = request.OldMediaId,
Stream = stream,
StatusDescription = string.Empty,
Status = (int)HttpStatusCode.OK
});
}
else
{
return(Fail <GetMediaResponse>(request, HttpStatusCode.Forbidden, "Must login first."));
}
}
/// <summary>
/// Unmarshaller the response from the service to the response class.
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public override AmazonWebServiceResponse Unmarshall(JsonUnmarshallerContext context)
{
GetMediaResponse response = new GetMediaResponse();
response.Payload = context.Stream;
if (context.ResponseData.IsHeaderPresent("Content-Type"))
{
response.ContentType = context.ResponseData.GetHeaderValue("Content-Type");
}
return(response);
}
public override T GetResponse()
{
//判断是否需要身份验证
if (base.HttpMethodAttribute.IsToken)
{
base.HttpMethodAttribute.Url = base.HttpMethodAttribute.Url + WeiXinUtils.BuildGetUrl(base.HttpMethodAttribute.Url
) + "access_token=" + base.Token.AccessToken;
}
WebUtils webutils = new WebUtils();
//上传文件返回json
if (HttpMethodAttribute.Serialize == SerializeVerb.Json)
{
Type type = base.Request.GetType();
//获得多媒体路径.
PropertyInfo infoMedia = type.GetProperty("Media");
object objMedia = infoMedia.FastGetValue(base.Request);
// object objMedia = infoMedia.GetValue(Request, null);
string strPath = string.Empty;
if (objMedia is string)
{
strPath = objMedia as string;
}
//获得多媒体类型.
PropertyInfo infoType = type.GetProperty("Type");
object objType = infoType.FastGetValue(base.Request);
Domain.MediaType mediaType = new Domain.MediaType();
if (objType is Domain.MediaType)
{
mediaType = (Domain.MediaType)objType;
}
///如果路径不为空
if (File.Exists(strPath))
{
//在url里面添加文件类型
HttpMethodAttribute.Url += "&type=" + mediaType.ToString().ToLower();
string strJson = webutils.DoPostFile(HttpMethodAttribute.Url, strPath);
return(strJson.jsonToObj <T>());
}
else
{
throw new WeiXinException(string.Format("你要上传的：{0}路径非法", strPath));
}
}
///返回byte 执行下载逻辑
if (HttpMethodAttribute.Serialize == SerializeVerb.Byte)
{
Type type = base.Request.GetType();
PropertyInfo[] finfos = type.GetProperties();
StringBuilder sb = new StringBuilder();
foreach (PropertyInfo finfo in finfos)
{
string fieldName = finfo.Name;
string fieldValue = string.Empty;
object objValue = finfo.FastGetValue(Request);
if (objValue is Int32 || objValue is string)
{
fieldValue = objValue.ToString();
}
FieldInfo fieldInfo = type.GetField(fieldName);
DataMemberAttribute data = (DataMemberAttribute)System.Attribute.GetCustomAttribute(finfo, typeof(DataMemberAttribute));
if (data != null)
{
//是否是必须参数
if (data.IsRequired)
{
if (string.IsNullOrEmpty(fieldValue))
{
throw new WeiXinException(string.Format("{0}属性值 不能为空", fieldName));
}
else
{
sb.Append(data.Name ?? fieldName);
sb.Append("=");
sb.Append(fieldValue);
sb.Append("&");
}
}
else
{
if (!string.IsNullOrEmpty(fieldValue))
{
sb.Append(fieldName);
sb.Append("=");
sb.Append(fieldValue);
sb.Append("&");
}
}
}
}
if (sb.ToString().EndsWith("&"))
{
sb.Remove(sb.Length - 1, 1);
}
///得到请求Url
base.HttpMethodAttribute.Url = base.HttpMethodAttribute.Url + WeiXinUtils.BuildGetUrl(base.HttpMethodAttribute.Url
) + sb.ToString();
string path = string.Empty;
byte[] stream = webutils.Download(HttpMethodAttribute.Url, out path);
GetMediaResponse response = new GetMediaResponse();
response.Stream = BytesToStream(stream);
response.Path = path;
return(response as T);
}
return(null);
}
