public override async Task ProcessRequestAsync(HttpContext context)
{
HttpRequest Request = context.Request;
HttpResponse Response = context.Response;
int frameId = Request.IntOrZero("frame");
int woeid = Request.IntOrZero("woeid");
string tempUnit = Request.StringOrBlank("tempU");
string json = "";
try
{
Weather weather = new Weather(frameId);
if (weather.FrameId != 0)
{
// get RSS feed
Dictionary<string, object> map = await HttpRuntime.Cache.GetOrAddAbsoluteAsync(
string.Format("weather_{0}_{1}_{2}_{3}", weather.FrameId, weather.Version, tempUnit, woeid),
async (expire) =>
{
expire.When = DateTime.Now.AddMinutes(weather.CacheInterval);
return await GetYahooWeatherAsync(tempUnit, woeid);
});
JavaScriptSerializer oSerializer = new JavaScriptSerializer();
json = oSerializer.Serialize(map);
}
else
throw new Exception("Incorrect frame data");
}
catch (Exception ex)
{
JavaScriptSerializer s = new JavaScriptSerializer();
json = s.Serialize(new
{
Error = ex.Message,
//Stack = ex.StackTrace,
Data = new
{
WoeId = woeid,
TemperatureUnit = tempUnit,
},
});
}
Response.Clear();
Response.Cache.SetCacheability(HttpCacheability.NoCache);
Response.Cache.SetSlidingExpiration(true);
Response.Cache.SetNoStore();
Response.ContentType = "application/json";
Response.Write(json);
Response.Flush();
}
public static async Task <Frame> GetNextFrameAsync(int panelId, int displayId, int previousFrameId)
{
Frame nci = new Frame()
{
PanelId = panelId,
DisplayId = displayId
};
using (SqlCommand cmd = new SqlCommand("sp_GetNextFrame"))
{
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add("@panelId", SqlDbType.Int).Value = panelId;
cmd.Parameters.Add("@displayId", SqlDbType.Int).Value = displayId;
cmd.Parameters.Add("@lastFrameId", SqlDbType.Int).Value = previousFrameId;
await cmd.ExecuteReaderExtAsync((dr) =>
{
nci._initfromRow(dr);
return(false);
});
}
if (nci.FrameId > 0)
{
switch (nci.FrameType)
{
case FrameTypes.Clock:
nci = new Clock(nci);
break;
case FrameTypes.Html:
nci = new Html(nci);
break;
case FrameTypes.Memo:
nci = new Memo(nci);
break;
//case FrameTypes.News:
case FrameTypes.Outlook:
nci = new Outlook(nci);
break;
case FrameTypes.Picture:
nci = new Picture(nci);
break;
case FrameTypes.Powerbi:
nci = new Powerbi(nci);
break;
case FrameTypes.Report:
nci = new Report(nci);
break;
case FrameTypes.Video:
nci = new Video(nci);
break;
case FrameTypes.Weather:
nci = new Weather(nci);
break;
case FrameTypes.YouTube:
nci = new YouTube(nci);
break;
default:
break;
}
}
return(nci);
}