Oli Sturm
42 lines
1.2 KiB
C#
42 lines
1.2 KiB
C#
using CsharpFp1.Domain;
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namespace CsharpFp1.Infrastructure;
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// If we don't like working with generic delegates directly, we can
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// create custom named delegate types.
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public delegate Account? LoadAccount(Guid id);
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public delegate void SaveAccount(Account accunt);
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// If we don't want to use tuples, or you really miss the idea of a combined "interface",
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// we can create a named container
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// public sealed record AccountPersistence(LoadAccount Load, SaveAccount Save);
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public static class InMemoryAccount
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{
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public static (LoadAccount, SaveAccount) Create()
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{
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Dictionary<Guid, Account> store = new();
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Account? GetById(Guid id)
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{
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var found = store.TryGetValue(id, out var account);
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Console.WriteLine(
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found ? $"[Repo] Loaded account {id}" : $"[Repo] Account {id} not found"
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);
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return found ? account : null;
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}
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void Save(Account account)
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{
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store[account.Id] = account;
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Console.WriteLine(
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$"[Repo] Saved account {account.Id} with balance {account.Balance.Amount:0.00}"
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);
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}
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return (GetById, Save);
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}
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}
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