55 lines
1.9 KiB
C#
55 lines
1.9 KiB
C#
using System.ComponentModel.DataAnnotations;
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namespace api.Domain;
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public sealed class Person
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{
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[Key]
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public string Username { get; private set; }
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public string RealName { get; private set; }
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public DateOnly Birthday { get; private set; }
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private Person(string username, string realName, DateOnly birthday)
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{
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Username = username;
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RealName = realName;
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Birthday = birthday;
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}
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public static Person Create(string username, string realName, DateOnly birthday)
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{
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username = NormalizeUsername(username);
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realName = realName.Trim();
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// TODO: Error Handling
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if (username.Length is < 3 or > 32) throw new ArgumentException("Username must be 3-32 chars.");
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if (realName.Length == 0) throw new ArgumentException("Name cannot be empty");
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if (!IsAtLeast16(birthday) || birthday >= DateOnly.FromDateTime(DateTime.Today)) throw new ArgumentException("Person must be at least 16 years old.");
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return new Person(username, realName, birthday);
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}
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public void Update(string realName, DateOnly birthday)
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{
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realName = realName.Trim();
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if (realName.Length == 0) throw new ArgumentException("Name cannot be empty");
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if (!IsAtLeast16(birthday) || birthday >= DateOnly.FromDateTime(DateTime.Today))
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throw new ArgumentException("Person must be at least 16 years old.");
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RealName = realName;
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Birthday = birthday;
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}
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// Konstruktor zum Erzeugen von Nutzerobjekten aus der Datenbank
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internal static Person FromStorage(string username, string realName, DateOnly birthday)
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=> new(username, realName, birthday);
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public static string NormalizeUsername(string username)
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=> username.Trim().ToLowerInvariant();
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public static bool IsAtLeast16(DateOnly birthday)
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=> birthday.AddYears(16) <= DateOnly.FromDateTime(DateTime.Today);
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} |