// To protect from overposting attacks, see https://aka.ms/RazorPagesCRUD
public async Task <IActionResult> OnPostAsync()
{
if (!ModelState.IsValid)
{
return(Page());
}
HttpClient client = new HttpClient();
decimal mnoznik = 1;
string zapytanko = ("https://openexchangerates.org/api/latest.json?app_id=0c4e952688494f94b916d6c2ef29a9ee&base=USD&symbols=" + waluty.Base);
string json = await client.GetStringAsync(zapytanko); //pobierz dane z API i zapisz je w zmiennej json
walutesy_operacje rate = JsonConvert.DeserializeObject <walutesy_operacje>(json); //deserializuj zawartość zmiennej json
foreach (KeyValuePair <string, decimal> s in rate.rates)
{
mnoznik = (1 / s.Value);
}
zapytanko = ("https://openexchangerates.org/api/latest.json?app_id=0c4e952688494f94b916d6c2ef29a9ee&base=USD&symbols=" + waluty.Symbol);
json = await client.GetStringAsync(zapytanko);
rate = JsonConvert.DeserializeObject <walutesy_operacje>(json);
foreach (KeyValuePair <string, decimal> s in rate.rates)
{
waluty.wartosc = s.Value * mnoznik;
}
waluty.dataPobrania = DateTime.Now;
_context.waluty.Add(waluty);
await _context.SaveChangesAsync();
return(RedirectToPage("./Index"));
}
public async Task <IActionResult> OnPostAsync(int?id)
{
if (id == null)
{
return(NotFound());
}
waluty = await _context.waluty.FindAsync(id);
if (waluty != null)
{
_context.waluty.Remove(waluty);
await _context.SaveChangesAsync();
}
return(RedirectToPage("./Index"));
}
