private dynamic GetCountryDailyStatsInSerial(string country)
{
try
{
// https://corona.lmao.ninja/v2/historical/Philippines?lastdays=300
var response = Client.GetAsync("https://corona.lmao.ninja/v2/historical/" + country + "?lastdays=300");
response.Wait();
var result = response.Result.Content.ReadAsStringAsync().Result;
dynamic jObject = JsonConvert.DeserializeObject(result);
List <string> items = new List <string>();
Dictionary <string, int> confirmed = jObject.timeline.cases.ToObject <Dictionary <string, int> >();
Dictionary <string, int> recovered = jObject.timeline.recovered.ToObject <Dictionary <string, int> >();
Dictionary <string, int> deaths = jObject.timeline.deaths.ToObject <Dictionary <string, int> >();
List <DailyStats> c = new List <DailyStats>();
List <DailyStats> r = new List <DailyStats>();
List <DailyStats> d = new List <DailyStats>();
dynamic retVal = new ExpandoObject();
retVal.Country = country;
{
var yesterdayConfirmed = 0;
var keyList = new List <string>(confirmed.Keys);
// compute daily changes for confirmed cases
for (int i = 0; i < keyList.Count; i++)
{
if ((i - 1) < 0)
{
continue;
}
yesterdayConfirmed = confirmed[keyList[i - 1]];
var todayDate = keyList[i];
var todayConfirmed = confirmed[keyList[i]];
var todayChangesFromYesterday = todayConfirmed - yesterdayConfirmed;
var stats = new DailyConfirmed()
{
Date = todayDate,
NewConfirmed = todayChangesFromYesterday,
Value = todayConfirmed
};
c.Add(stats);
}
}
{
var yesterdayRecovered = 0;
var keyList = new List <string>(recovered.Keys);
// compute daily changes for confirmed cases
for (int i = 0; i < keyList.Count; i++)
{
if ((i - 1) < 0)
{
continue;
}
yesterdayRecovered = recovered[keyList[i - 1]];
var todayDate = keyList[i];
var todayRecovered = recovered[keyList[i]];
var todayChangesFromYesterday = todayRecovered - yesterdayRecovered;
var stats = new DailyRecoveries()
{
Date = todayDate,
NewRecoveries = todayChangesFromYesterday,
Value = todayRecovered
};
r.Add(stats);
}
}
{
var yesterdayDeaths = 0;
var keyList = new List <string>(deaths.Keys);
// compute daily changes for deaths
for (int i = 0; i < keyList.Count; i++)
{
if ((i - 1) < 0)
{
continue;
}
yesterdayDeaths = deaths[keyList[i - 1]];
var todayDate = keyList[i];
var todayDeaths = deaths[keyList[i]];
var todayChangesFromYesterday = todayDeaths - yesterdayDeaths;
var stats = new DailyDeaths()
{
Date = todayDate,
NewDeaths = todayChangesFromYesterday,
Value = todayDeaths
};
d.Add(stats);
}
}
c.OrderBy(stats => stats.Date);
r.OrderBy(stats => stats.Date);
d.OrderBy(stats => stats.Date);
retVal.confirmed = c;
retVal.recovered = r;
retVal.deaths = d;
return(retVal);
}
catch
{
return(null);
}
}
private dynamic GetCountryDailyStatsInParallel(string country)
{
try
{
// https://corona.lmao.ninja/v2/historical/Philippines?lastdays=300
using (var multiThreadedClient = new HttpClient())
{
var response = multiThreadedClient.GetAsync("https://corona.lmao.ninja/v2/historical/" + country + "?lastdays=300");
response.Wait();
var result = response.Result.Content.ReadAsStringAsync().Result;
dynamic jObject = JsonConvert.DeserializeObject(result);
List <string> items = new List <string>();
Dictionary <string, int> confirmed = jObject.timeline.cases.ToObject <Dictionary <string, int> >();
Dictionary <string, int> recovered = jObject.timeline.recovered.ToObject <Dictionary <string, int> >();
Dictionary <string, int> deaths = jObject.timeline.deaths.ToObject <Dictionary <string, int> >();
ConcurrentQueue <DailyStats> c = new ConcurrentQueue <DailyStats>();
ConcurrentQueue <DailyStats> r = new ConcurrentQueue <DailyStats>();
ConcurrentQueue <DailyStats> d = new ConcurrentQueue <DailyStats>();
dynamic retVal = new ExpandoObject();
retVal.Country = country;
// for each day, get the daily changes for confirmed/recovered/deaths
Parallel.Invoke(
// process confirmed cases at the same time
() =>
{
var yesterdayConfirmed = 0;
var keyList = new List <string>(confirmed.Keys);
// compute daily changes for confirmed cases
Parallel.For(0, keyList.Count, (i) =>
{
if ((i - 1) > 0)
{
yesterdayConfirmed = confirmed[keyList[i - 1]];
var todayDate = keyList[i];
var todayConfirmed = confirmed[keyList[i]];
var todayChangesFromYesterday = todayConfirmed - yesterdayConfirmed;
var stats = new DailyConfirmed()
{
Date = todayDate,
NewConfirmed = todayChangesFromYesterday,
Value = todayConfirmed
};
c.Enqueue(stats);
}
});
},
// process recovered cases at the same time
() =>
{
var yesterdayRecovered = 0;
var keyList = new List <string>(recovered.Keys);
// compute daily changes for confirmed cases
Parallel.For(0, keyList.Count, (i) =>
{
if ((i - 1) > 0)
{
yesterdayRecovered = recovered[keyList[i - 1]];
var todayDate = keyList[i];
var todayRecovered = recovered[keyList[i]];
var todayChangesFromYesterday = todayRecovered - yesterdayRecovered;
var stats = new DailyRecoveries()
{
Date = todayDate,
NewRecoveries = todayChangesFromYesterday,
Value = todayRecovered
};
r.Enqueue(stats);
}
});
},
// process deaths at the same time
() =>
{
var yesterdayDeaths = 0;
var keyList = new List <string>(deaths.Keys);
// compute daily changes for deaths
Parallel.For(0, keyList.Count, (i) =>
{
if ((i - 1) > 0)
{
yesterdayDeaths = deaths[keyList[i - 1]];
var todayDate = keyList[i];
var todayDeaths = deaths[keyList[i]];
var todayChangesFromYesterday = todayDeaths - yesterdayDeaths;
var stats = new DailyDeaths()
{
Date = todayDate,
NewDeaths = todayChangesFromYesterday,
Value = todayDeaths
};
d.Enqueue(stats);
}
});
}
);
Parallel.Invoke(
() =>
{
c.OrderBy(stats => stats.Date);
},
() =>
{
r.OrderBy(stats => stats.Date);
},
() =>
{
d.OrderBy(stats => stats.Date);
}
);
retVal.confirmed = c;
retVal.recovered = r;
retVal.deaths = d;
return(retVal);
}
}
catch
{
return(null);
}
}
