添加项目文件。

FileService.Application/StorageContracts/UploadRuntimeCache.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.Json;
+using System.Threading.Tasks;
+
+namespace FileService.Application.StorageContracts
+{
+    public sealed class UploadRuntimeCache
+    {
+        public string TaskId { get; init; } = default!;
+
+        public string ProviderCode { get; init; } = default!;
+
+        public string UploadSessionId { get; init; } = default!;
+
+        public string Bucket { get; init; } = default!;
+
+        public string Region { get; init; } = default!;
+
+        public string ObjectKey { get; init; } = default!;
+
+        public long FileSize { get; init; }
+
+        public int TotalPartCount { get; init; }
+
+        public long UploadedBytes { get; private set; }
+
+        public DateTimeOffset CreatedAt { get; init; }
+
+        public DateTimeOffset ExpireAt { get; init; }
+
+        public Dictionary<int, UploadPart> Parts { get; init; } = new();
+
+        public void AddOrUpdatePart(UploadPart part)
+        {
+            Parts[part.PartNumber] = part;
+
+            UploadedBytes = Parts.Sum(x => x.Value.Size ?? 0);
+        }
+
+        public bool IsCompleted()
+        {
+            return Parts.Count == TotalPartCount;
+        }
+
+        public string ToJson()
+        {
+            return JsonSerializer.Serialize(this);
+        }
+
+        public static UploadRuntimeCache? FromJson(string json)
+        {
+            return JsonSerializer.Deserialize<UploadRuntimeCache>(json);
+        }
+    }
+}