Initial commit

Assets/YooAsset/Runtime/PatchSystem/PatchHelper.cs

@@ -0,0 +1,101 @@
+using System.IO;
+using System.Text;
+using YooAsset.Utility;
+
+namespace YooAsset
+{
+	internal static class PatchHelper
+	{
+		private const string StrCacheFileName = "Cache.bytes";
+		private const string StrCacheFolderName = "CacheFiles";
+
+		/// <summary>
+		/// 清空沙盒目录
+		/// </summary>
+		public static void ClearSandbox()
+		{
+			string directoryPath = AssetPathHelper.MakePersistentLoadPath(string.Empty);
+			if (Directory.Exists(directoryPath))
+				Directory.Delete(directoryPath, true);
+		}
+
+		/// <summary>
+		/// 删除沙盒内补丁清单文件
+		/// </summary>
+		public static void DeleteSandboxPatchManifestFile()
+		{
+			string filePath = AssetPathHelper.MakePersistentLoadPath(ResourceSettingData.Setting.PatchManifestFileName);
+			if (File.Exists(filePath))
+				File.Delete(filePath);
+		}
+
+		/// <summary>
+		/// 删除沙盒内的缓存文件
+		/// </summary>
+		public static void DeleteSandboxCacheFile()
+		{
+			string filePath = GetSandboxCacheFilePath();
+			if (File.Exists(filePath))
+				File.Delete(filePath);
+		}
+
+		/// <summary>
+		/// 删除沙盒内的缓存文件夹
+		/// </summary>
+		public static void DeleteSandboxCacheFolder()
+		{
+			string directoryPath = AssetPathHelper.MakePersistentLoadPath(StrCacheFolderName);
+			if (Directory.Exists(directoryPath))
+				Directory.Delete(directoryPath, true);
+		}
+
+
+		/// <summary>
+		/// 获取沙盒内缓存文件的路径
+		/// </summary>
+		public static string GetSandboxCacheFilePath()
+		{
+			return AssetPathHelper.MakePersistentLoadPath(StrCacheFileName);
+		}
+
+		/// <summary>
+		/// 检测沙盒内缓存文件是否存在
+		/// </summary>
+		public static bool CheckSandboxCacheFileExist()
+		{
+			string filePath = GetSandboxCacheFilePath();
+			return File.Exists(filePath);
+		}
+
+		/// <summary>
+		/// 检测沙盒内补丁清单文件是否存在
+		/// </summary>
+		public static bool CheckSandboxPatchManifestFileExist()
+		{
+			string filePath = AssetPathHelper.MakePersistentLoadPath(ResourceSettingData.Setting.PatchManifestFileName);
+			return File.Exists(filePath);
+		}
+
+		/// <summary>
+		/// 获取沙盒内补丁清单文件的哈希值
+		/// 注意：如果沙盒内补丁清单文件不存在，返回空字符串
+		/// </summary>
+		/// <returns></returns>
+		public static string GetSandboxPatchManifestFileHash()
+		{
+			string filePath = AssetPathHelper.MakePersistentLoadPath(ResourceSettingData.Setting.PatchManifestFileName);
+			if (File.Exists(filePath))
+				return HashUtility.FileMD5(filePath);
+			else
+				return string.Empty;
+		}
+
+		/// <summary>
+		/// 获取缓存文件的存储路径
+		/// </summary>
+		public static string MakeSandboxCacheFilePath(string fileName)
+		{
+			return AssetPathHelper.MakePersistentLoadPath($"{StrCacheFolderName}/{fileName}");
+		}
+	}
+}