yoo2.2,9

yoo2.2,9

UnityProject/Packages/YooAsset/Runtime/ResourcePackage/Operation/RequestPackageVersionOperation.cs

@@ -0,0 +1,67 @@
+
+namespace YooAsset
+{
+    /// <summary>
+    /// 查询远端包裹的最新版本
+    /// </summary>
+    public abstract class RequestPackageVersionOperation : AsyncOperationBase
+    {
+        /// <summary>
+        /// 当前最新的包裹版本
+        /// </summary>
+        public string PackageVersion { protected set; get; }
+    }
+    internal sealed class RequestPackageVersionImplOperation : RequestPackageVersionOperation
+    {
+        private enum ESteps
+        {
+            None,
+            RequestPackageVersion,
+            Done,
+        }
+
+        private readonly IFileSystem _fileSystem;
+        private readonly bool _appendTimeTicks;
+        private readonly int _timeout;
+        private FSRequestPackageVersionOperation _requestPackageVersionOp;
+        private ESteps _steps = ESteps.None;
+
+        internal RequestPackageVersionImplOperation(IFileSystem fileSystem, bool appendTimeTicks, int timeout)
+        {
+            _fileSystem = fileSystem;
+            _appendTimeTicks = appendTimeTicks;
+            _timeout = timeout;
+        }
+        internal override void InternalOnStart()
+        {
+            _steps = ESteps.RequestPackageVersion;
+        }
+        internal override void InternalOnUpdate()
+        {
+            if (_steps == ESteps.None || _steps == ESteps.Done)
+                return;
+
+            if (_steps == ESteps.RequestPackageVersion)
+            {
+                if (_requestPackageVersionOp == null)
+                    _requestPackageVersionOp = _fileSystem.RequestPackageVersionAsync(_appendTimeTicks, _timeout);
+
+                if (_requestPackageVersionOp.IsDone == false)
+                    return;
+
+                if (_requestPackageVersionOp.Status == EOperationStatus.Succeed)
+                {
+                    _steps = ESteps.Done;
+                    PackageVersion = _requestPackageVersionOp.PackageVersion;
+                    Status = EOperationStatus.Succeed;
+                }
+                else
+                {
+                    _steps = ESteps.Done;
+                    Status = EOperationStatus.Failed;
+                    Error = _requestPackageVersionOp.Error;
+                }
+            }
+        }
+    }
+}