public bool checkNew()
{
bool result;
using (var db = new PwebtaipeiContext())
{
result = (db.TaipeiWeather.Any(x => x.StartTime > new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day)));
}
return(result);
}
/// <summary>
/// 從資料庫取得舊預報資料
/// </summary>
/// <param name="STTime">起始時間</param>
/// <param name="EDTime">結束時間</param>
/// <returns></returns>
public List <TaipeiWeather> getData(string Location, DateTime STTime, DateTime EDTime)
{
List <TaipeiWeather> result = new List <TaipeiWeather>();
using (var db = new PwebtaipeiContext())
{
if (string.IsNullOrEmpty(Location))
{
result = db.TaipeiWeather.Where(x => x.StartTime >= STTime && x.EndTime <= EDTime).ToList();
}
else
{
result = db.TaipeiWeather.Where(x => x.Location == Location && x.StartTime >= STTime && x.EndTime <= EDTime).ToList();
}
}
return(result);
}
/// <summary>
/// 取得歷史資料中的地區與時間區間
/// </summary>
/// <returns></returns>
public List <HistoryDateRangeData> getHistoryRange()
{
List <HistoryDateRangeData> result = new List <HistoryDateRangeData>();
using (var db = new PwebtaipeiContext())
{
var data = db.TaipeiWeather.Select(x => new { x.Location, x.StartTime, x.EndTime }).ToList();
result = data.Select(x => new HistoryDateRangeData()
{
Location = x.Location
}).ToList();
foreach (var location in result)
{
location.TimeRange = data.Where(x => x.Location == location.Location).Select(x => new HistoryTimeRange()
{
StartTime = x.StartTime, EndTime = x.EndTime
}).ToList();
}
}
return(result);
}
/// <summary>
/// 分析資料並存入DB
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public List <TaipeiWeather> ParseData(QueryPWEBTaipeiWeatherData data)
{
List <TaipeiWeather> result = new List <TaipeiWeather>();
Locations location = data.records.locations.First();
var CityName = location.locationsName;
foreach (var area in location.location)
{
var AreaName = area.locationName;
foreach (var EleType in area.weatherElement)
{
//按照時間區間建立空資料
foreach (var TimeRange in EleType.time)
{
var ResultData = result.Where(x => x.EndTime == TimeRange.endTime && x.StartTime == TimeRange.startTime && x.Location == CityName + AreaName).FirstOrDefault();
if (ResultData == null)
{
ResultData = new TaipeiWeather()
{
Location = CityName + AreaName,
EndTime = TimeRange.endTime,
StartTime = TimeRange.startTime
};
result.Add(ResultData);
}
Byte numval = 0;
Byte.TryParse(TimeRange.elementValue.First().value, out numval);
switch (EleType.elementName)
{
case "PoP12h": //降雨機率
ResultData.RainChance = numval;
break;
case "T": //平均溫度
ResultData.Temperature = numval;
break;
case "RH": //平均相對濕度
ResultData.RelativeHumidity = numval;
break;
case "MinCI": //最小舒適度指數
ResultData.MinCi = numval;
break;
case "WS": //最大風速
ResultData.WindSpeed = numval;
break;
case "MaxAT": //最高體感溫度
ResultData.MaxAt = numval;
break;
case "Wx": //天氣現象
ResultData.Weather = TimeRange.elementValue.First().value;
break;
case "MaxCI": //最大舒適度指數
ResultData.MaxCi = numval;
break;
case "MinT": //最低溫度
ResultData.MinTemperature = numval;
break;
case "UVI": //紫外線指數
ResultData.Uvi = numval;
break;
case "WeatherDescription": //天氣預報綜合描述
ResultData.WeatherDescription = TimeRange.elementValue.First().value;
break;
case "MinAT": //最低體感溫度
ResultData.MinAt = numval;
break;
case "MaxT": //最高溫度
ResultData.MaxTemperature = numval;
break;
case "WD": //風向
ResultData.WindDirection = TimeRange.elementValue.First().value;
break;
case "Td": //平均露點溫度
ResultData.Td = numval;
break;
}
}
}
}
using (var db = new PwebtaipeiContext())
{
foreach (TaipeiWeather weather in result)
{
if (db.TaipeiWeather.Any(x => x.Location == weather.Location && x.StartTime == weather.StartTime && x.EndTime == weather.EndTime))
{
db.TaipeiWeather.Update(weather);
}
else
{
db.TaipeiWeather.Add(weather);
}
}
db.SaveChanges();
}
return(result);
}
