添加项目文件。

FileService.Domain/Entities/UploadFile.cs

@@ -0,0 +1,43 @@
+using FileService.Domain.ValueObjects;
+using IM.DomainCommons;
+
+namespace FileService.Domain.Entities
+{
+    public class UploadFile:AggregateRootEntity
+    {
+        public Guid OwnerId { get; private set; }
+        public FileName FileName { get; private set; }
+        public long FileSize { get;private set; }
+        public ContentType ContentType { get;private set; }
+        public FileState State { get; private set; }
+        public StorageLocation? StorageLocation { get; private set; }
+        public CheckSum CheckSum { get; private set; }
+
+        private UploadFile() { }
+        public UploadFile(Guid ownerId, string fileName, string contentType)
+        {
+            OwnerId = ownerId;
+            FileName = fileName;
+            ContentType = contentType;
+            State = FileState.Created;
+        }
+
+        public void StartUpload()
+        {
+            State = FileState.Uploading;
+        }
+
+        public void CompleteUpload(StorageLocation storage, CheckSum checkSum)
+        {
+            StorageLocation = storage;
+            CheckSum = checkSum;
+            State = FileState.Uploaded;
+        }
+
+        public void Fail()
+        {
+
+        }
+
+    }
+}

FileService.Domain/FileService.Domain.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\DomainCommons\IM.DomainCommons.csproj" />
+  </ItemGroup>
+
+</Project>

FileService.Domain/FileState.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FileService.Domain
+{
+    public enum FileState
+    {
+        Created = 0,
+        Uploading = 1,
+        Uploaded = 2,
+        Failed = 3,
+        Deleted = 4
+    }
+}

FileService.Domain/ValueObjects/CheckSum.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FileService.Domain.ValueObjects
+{
+    public class CheckSum
+    {
+        public string Algorithm { get; }
+        public string Value { get; }
+
+        public CheckSum(string algorithm, string value)
+        {
+            Algorithm = algorithm;
+            Value = value;
+        }
+
+        public override string ToString()
+        {
+            return Value;
+        }
+
+        public static implicit operator CheckSum((string algorithm, string value) value)
+        {
+            return new CheckSum(value.algorithm, value.value);
+        }
+    }
+}

FileService.Domain/ValueObjects/ContentType.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FileService.Domain.ValueObjects
+{
+    public class ContentType
+    {
+        public string Value { get; }
+        public ContentType(string contentType)
+        {
+            Value = contentType;
+        }
+
+        public override string ToString()
+        {
+            return Value;
+        }
+
+        public static implicit operator ContentType(string contentType)
+        {
+            return new ContentType(contentType);
+        }
+    }
+}

FileService.Domain/ValueObjects/FileName.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FileService.Domain.ValueObjects
+{
+    public class FileName
+    {
+        public string Value { get; }
+
+        public FileName(string value)
+        {
+            if(value.Length > 20)
+            {
+                throw new ArgumentException("文件名超出长度");
+            }
+
+            Value = value;
+        }
+
+        public override string ToString()
+        {
+            return Value;
+        }
+
+        public static implicit operator FileName(string value)
+        {
+            return new FileName(value);
+        }
+
+    }
+}

FileService.Domain/ValueObjects/StorageLocation.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FileService.Domain.ValueObjects
+{
+    public class StorageLocation
+    {
+        public string StorageProvider { get; private set; }
+        public string Bucket { get; private set; }
+        public string ObjectKey { get; private set; }
+        public string? Region { get; private set; }
+
+        public StorageLocation(string storageProvider, string bucket, string objectKey, string? region = null)
+        {
+            this.StorageProvider = storageProvider;
+            this.Bucket = bucket;
+            this.ObjectKey = objectKey;
+            this.Region = region;
+        }
+    }
+}