HTL-2IHIF-CSharp/ex-inh-04-supermarket
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Implemented Food.cs & learned to use string.Join

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This commit is contained in:
MarcUs7i 2025-03-19 22:10:57 +01:00
parent c91591578d
commit cc027f15af
2 changed files with 30 additions and 52 deletions
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46
Supermarket/Food.cs
View file

@ -8,35 +8,45 @@ public sealed class Food : Product
public Food(string productName, string barcode, int quantity, params AllergenType[] allergens)
: base(productName, barcode, quantity)
{
// TODO
_allergens = null!;
Console.WriteLine($"Remove me, I just make code compile {_allergens}");
_allergens = new SortedSet<AllergenType>(allergens);
}
// TODO
public AllergenType[] Allergens => null!;
// TODO
protected override string[] CsvColumnNames => null!;
public AllergenType[] Allergens => _allergens.ToArray();
protected override string[] CsvColumnNames => ["Barcode", "ProductName", "Quantity", "Allergens"];
protected override string[] CsvColumnValues
{
get
{
// TODO
return null!;
string allergens = string.Join(AllergenSeparator, Allergens);
return [Barcode, ProductName, Quantity.ToString(), allergens];
}
}
// TODO
public bool AddAllergen(AllergenType allergen) => false;
// TODO
public bool RemoveAllergen(AllergenType allergen) => false;
public bool AddAllergen(AllergenType allergen)
{
if (ContainsAnyAllergen(allergen))
{
return false;
}
_allergens.Add(allergen);
return true;
}
public bool RemoveAllergen(AllergenType allergen) => _allergens.Remove(allergen);
public bool ContainsAnyAllergen(params AllergenType[] allergens)
{
// TODO
foreach (var allergen in allergens)
{
if (_allergens.Contains(allergen))
{
return true;
}
}
return false;
}
}

36
Supermarket/Product.cs
View file

@ -27,44 +27,12 @@ public abstract class Product
protected virtual string[] CsvColumnValues => [Barcode, ProductName, Quantity.ToString()];
public string GetCsvHeader()
{
string header = String.Empty;
for (var i = 0; i < CsvColumnNames.Length; i++)
{
string columnName = CsvColumnNames[i];
if(i == CsvColumnNames.Length - 1)
{
header += $"{columnName}";
break;
}
header += $"{columnName}{Separator}";
}
public string GetCsvHeader() => string.Join(Separator, CsvColumnNames);
return header;
}
public string ToCsv() => ToCsvLine(CsvColumnValues, Separator);
protected static string ToCsvLine(string[] values, char separator)
{
string line = string.Empty;
for (var i = 0; i < values.Length; i++)
{
string value = values[i];
protected static string ToCsvLine(string[] values, char separator) => String.Join(separator, values);
if (i == values.Length - 1)
{
line += $"{value}";
break;
}
line += $"{value}{separator}";
}
return line;
}
public static bool IsBarcodeValid(string? barcode)
{
if (barcode == null)