private string GetUri(CovidParameters covidParameters)
{
var uriBuilder = new UriBuilder(_httpClient.BaseAddress.AbsoluteUri + covidParameters.Uri);
var query = HttpUtility.ParseQueryString(uriBuilder.Query);
if (covidParameters.From > DateTime.MinValue && covidParameters.To > DateTime.MinValue)
{
query["from"] = covidParameters.From.ToString("yyyy-MM-dd'T'HH:mm:ss.fffffff'Z'");
query["to"] = covidParameters.To.ToString("yyyy-MM-dd'T'HH:mm:ss.fffffff'Z'");
uriBuilder.Query = query.ToString();
}
return(uriBuilder.ToString().Replace(_httpClient.BaseAddress.AbsoluteUri, ""));
}
public async Task <List <CovidDTO> > GetCovidDataAsync(CovidParameters covidParameters)
{
var uriWithParameters = GetUri(covidParameters);
var httpResponse = await _httpClient.GetAsync(uriWithParameters);
var covidDataList = new List <CovidDTO>();
if (httpResponse.IsSuccessStatusCode)
{
var content = await httpResponse.Content.ReadAsStringAsync();
covidDataList = JsonConvert.DeserializeObject <List <CovidDTO> >(content);
return(covidDataList);
}
return(covidDataList);
}
private async Task <bool> SaveCovidDataIntoDb()
{
var covidParameters = new CovidParameters();
var haveToSaveData = false;
if (_covidDbContext.CovidData.Count() == 0)
{
covidParameters.Uri = uriDayOneTotal;
haveToSaveData = true;
}
else
{
var lastSavedDate = _covidDbContext.CovidData.OrderByDescending(d => d.Date).First().Date;
if (lastSavedDate < DateTime.Now)
{
covidParameters.Uri = uriByCountryTotal;
covidParameters.From = lastSavedDate.AddDays(1);
covidParameters.To = DateTime.Now;
haveToSaveData = true;
}
}
if (haveToSaveData)
{
var covidData = await GetCovidAsync(covidParameters);
if (covidData.Count > 0)
{
covidData.OrderByDescending(d => d.Date);
_covidDbContext.AddRange(covidData);
_covidDbContext.SaveChanges();
return(true);
}
return(false);
}
return(false);
}
private async Task <List <CovidDTO> > GetCovidAsync(CovidParameters covidParameters)
{
return(await _covidService.GetCovidDataAsync(covidParameters));
}
