Initial

MareSynchronos/WebAPI/Files/Models/FileTransfer.cs

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+using MareSynchronos.API.Dto.Files;
+
+namespace MareSynchronos.WebAPI.Files.Models;
+
+public abstract class FileTransfer
+{
+    protected readonly ITransferFileDto TransferDto;
+
+    protected FileTransfer(ITransferFileDto transferDto)
+    {
+        TransferDto = transferDto;
+    }
+
+    public virtual bool CanBeTransferred => !TransferDto.IsForbidden && (TransferDto is not DownloadFileDto dto || dto.FileExists);
+    public string ForbiddenBy => TransferDto.ForbiddenBy;
+    public string Hash => TransferDto.Hash;
+    public bool IsForbidden => TransferDto.IsForbidden;
+    public bool IsInTransfer => Transferred != Total && Transferred > 0;
+    public bool IsTransferred => Transferred == Total;
+    public abstract long Total { get; set; }
+    public long Transferred { get; set; } = 0;
+
+    public override string ToString()
+    {
+        return Hash;
+    }
+}