private void AddCountryHandler(CountryData countryData)
{
using var db = new CountryContext();
try
{
db.Countries.Add(new Country
{
Name = countryData.countryName,
Code = countryData.countryCode,
Area = countryData.countryArea,
Population = countryData.countryPopulation,
Capital = CityID == null
? (new City()
{
Name = countryData.countryCapital
})
: db.Cities.Where(city => city.Name.Equals(countryData.countryCapital)).FirstOrDefault(),
Region = RegionID == null
? (new Region()
{
Name = countryData.countryRegion
})
: db.Regions.Where(region => region.Name.Equals(countryData.countryRegion)).FirstOrDefault()
});
db.SaveChanges();
}
catch (Exception ex)
{
ExceptionsHandler.CallExceptionMessage(ex, "While adding a new country");
}
}
public void NewCountry(string countryName)
{
var countryData = new CountryData();
countryData.GetData(countryName);
RegionsHandler(countryData);
CitiesHandler(countryData);
using var db = new CountryContext();
try
{
if (!db.Countries
.Any(country => country.Code.Equals(countryData.countryCode)))
{
AddCountryHandler(countryData);
}
else
{
UpdateCountryHandler(countryData);
}
db.SaveChanges();
}
catch (Exception ex)
{
ExceptionsHandler.CallExceptionMessage(ex, "Saving data");
}
}
public CountryContext()
{
try
{
Database.EnsureCreated();
}
catch (Exception ex)
{
ExceptionsHandler.CallExceptionMessage(ex);
}
}
private void ReadFile(string address)
{
try
{
DataText = (new WebClient()).DownloadString(address);
}
catch (Exception ex)
{
ExceptionsHandler.CallExceptionMessage(ex, "Reading the JSON");
}
}
private void UpdateCountryHandler(CountryData countryData)
{
try
{
using var db = new CountryContext();
var Country = db.Countries.Where(country => country.Code.Equals(countryData.countryCode)).FirstOrDefault();
db.Countries.Update(Country);
db.SaveChanges();
}
catch (Exception ex)
{
ExceptionsHandler.CallExceptionMessage(ex, "While update data");
}
}
private void GetAllCountries()
{
try
{
using var db = new CountryContext();
ListOfCountries = db.Countries
.Include(city => city.Capital)
.Include(region => region.Region)
.ToList();
}
catch (Exception ex)
{
ExceptionsHandler.CallExceptionMessage(ex, "While getting data from the db");
}
}
private void RegionsHandler(CountryData countryData)
{
using var db = new CountryContext();
try
{
if (db.Regions
.Any(region => region.Name.Equals(countryData.countryRegion)))
{
RegionID = db.Regions
.Where(region => region.Name.Equals(countryData.countryRegion))
.Select(region => region.Id)
.FirstOrDefault();
}
}
catch (Exception ex)
{
ExceptionsHandler.CallExceptionMessage(ex, "Handle Regions");
}
}
private void CitiesHandler(CountryData countryData)
{
try
{
using var db = new CountryContext();
if (db.Cities
.Any(city => city.Name.Equals(countryData.countryCapital)))
{
CityID = db.Cities
.Where(city => city.Name.Equals(countryData.countryCapital))
.Select(city => city.Id)
.FirstOrDefault();
}
}
catch (Exception ex)
{
ExceptionsHandler.CallExceptionMessage(ex, "Handle Cities");
}
}
public List <JsonCountry> FillCountries(string countryName)
{
var dataFile = new FileContext();
dataFile.GetJson(countryName);
try
{
modelRoot = JsonConvert.DeserializeObject <List <Root> >(dataFile.DataText);
modelJsonCountry = JsonConvert.DeserializeObject <List <JsonCountry> >(dataFile.DataText);
//modelTranslations = JsonConvert.DeserializeObject<List<Translations>>(dataFile.DataText);
//modelLanguage = JsonConvert.DeserializeObject<List<Language>>(dataFile.DataText);
//modelCurrency = JsonConvert.DeserializeObject<List<Currency>>(dataFile.DataText);
}
catch (Exception ex)
{
ExceptionsHandler.CallExceptionMessage(ex, "Converting data from the JSON");
}
return(modelJsonCountry);
}
