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Natalia Portillo
2020-08-07 01:13:30 +01:00
parent e3f2557796
commit 8c2b355646
15 changed files with 1225 additions and 1 deletions
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76
Marechai/Shared/Validators.cs
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@@ -133,5 +133,81 @@ namespace Marechai.Shared
else
e.Status = ValidationStatus.Success;
}
public static void ValidateShort(ValidatorEventArgs e, short minValue = 0, short maxValue = short.MaxValue)
{
if(!(e.Value is short item) ||
item < minValue ||
item > maxValue)
e.Status = ValidationStatus.Error;
else
e.Status = ValidationStatus.Success;
}
public static void ValidateIsbn(ValidatorEventArgs e)
{
e.Status = ValidationStatus.Error;
if(!(e.Value is string isbn))
return;
if(isbn.Length != 10 &&
isbn.Length != 13)
return;
for(int c = 0; c < (isbn.Length == 13 ? 13 : 9); c++)
{
if(isbn[c] < 0x30 ||
isbn[c] > 0x39)
return;
}
int sum;
int modulo;
if(isbn.Length == 10)
{
if((isbn[9] < 0x30 || isbn[9] > 0x39) &&
isbn[9] != 'x' &&
isbn[9] != 'X')
return;
sum = 0;
modulo = 0;
for(int i = 0; i < 10; i++)
{
modulo += isbn[i] - 0x30;
sum += modulo;
}
modulo = sum % 11;
if((isbn[9] == 'x' || isbn[9] == 'X') &&
modulo == 10)
e.Status = ValidationStatus.Success;
else if(modulo == isbn[9] - 0x30)
e.Status = ValidationStatus.Success;
return;
}
if(isbn[0] != '9' ||
isbn[1] != '7' ||
(isbn[1] != '8' && isbn[1] != '9'))
return;
sum = (isbn[0] - 0x30) + ((isbn[1] - 0x30) * 3) + (isbn[2] - 0x30) + ((isbn[3] - 0x30) * 3) +
(isbn[4] - 0x30) + ((isbn[5] - 0x30) * 3) + (isbn[6] - 0x30) + ((isbn[7] - 0x30) * 3) +
(isbn[8] - 0x30) + ((isbn[9] - 0x30) * 3) + (isbn[10] - 0x30) + ((isbn[11] - 0x30) * 3);
modulo = sum % 10;
if(modulo != 0)
modulo = 10 - modulo;
if(modulo == isbn[12] - 0x30)
e.Status = ValidationStatus.Success;
}
}
}