Files
LuaCsForBarotraumaEP/Barotrauma/BarotraumaShared/SharedSource/LuaCs/_Services/StorageService.cs
2026-02-08 20:23:49 -05:00

728 lines
32 KiB
C#

using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Collections.Immutable;
using System.IO;
using System.Reflection;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Xml.Linq;
using Barotrauma.LuaCs.Data;
using Barotrauma.Networking;
using FluentResults;
using FluentResults.LuaCs;
using Microsoft.CodeAnalysis;
using Microsoft.Toolkit.Diagnostics;
using Error = FluentResults.Error;
using Path = System.IO.Path;
namespace Barotrauma.LuaCs;
public class StorageService : IStorageService
{
public StorageService(IStorageServiceConfig configData)
{
ConfigData = configData;
IsReadOperationAllowedEval = bool (str) => true;
IsWriteOperationAllowedEval = bool (str) => true;
}
private readonly ConcurrentDictionary<string, OneOf.OneOf<byte[], string, XDocument>> _fsCache = new();
protected readonly IStorageServiceConfig ConfigData;
protected readonly AsyncReaderWriterLock OperationsLock = new();
private Func<string, bool> _isReadOperationAllowedEval;
protected Func<string, bool> IsReadOperationAllowedEval
{
get => _isReadOperationAllowedEval;
set
{
if (value is not null)
_isReadOperationAllowedEval = value;
}
}
private Func<string, bool> _isWriteOperationAllowedEval;
protected Func<string, bool> IsWriteOperationAllowedEval
{
get => _isWriteOperationAllowedEval;
set
{
if (value is not null)
_isWriteOperationAllowedEval = value;
}
}
public bool IsDisposed => ModUtils.Threading.GetBool(ref _isDisposed);
private int _isDisposed = 0;
public virtual void Dispose()
{
using var lck = OperationsLock.AcquireWriterLock().ConfigureAwait(false).GetAwaiter().GetResult();
if (!ModUtils.Threading.CheckIfClearAndSetBool(ref _isDisposed))
return;
_fsCache.Clear();
}
public void PurgeCache()
{
using var lck = OperationsLock.AcquireReaderLock().ConfigureAwait(false).GetAwaiter().GetResult();
IService.CheckDisposed(this);
_fsCache.Clear();
}
public void PurgeFileFromCache(string absolutePath)
{
using var lck = OperationsLock.AcquireReaderLock().ConfigureAwait(false).GetAwaiter().GetResult();
IService.CheckDisposed(this);
if (absolutePath.IsNullOrWhiteSpace())
return;
try
{
//sanitation pass
absolutePath = System.IO.Path.GetFullPath(absolutePath).CleanUpPath();
_fsCache.Remove(absolutePath, out _);
}
catch
{
// ignored
return;
}
}
public void PurgeFilesFromCache(params string[] absolutePaths)
{
using var lck = OperationsLock.AcquireReaderLock().ConfigureAwait(false).GetAwaiter().GetResult();
IService.CheckDisposed(this);
if (absolutePaths.Length < 1)
return;
foreach (var path in absolutePaths)
{
try
{
if (path.IsNullOrWhiteSpace())
continue;
//sanitation pass
var path2 = System.IO.Path.GetFullPath(path).CleanUpPath();
_fsCache.Remove(path2, out _);
}
catch
{
// ignored
continue;
}
}
}
// --- Local Game Content
protected Result<string> GetAbsolutePathForLocal(ContentPackage package, string localFilePath)
{
if (Path.IsPathRooted(localFilePath))
ThrowHelper.ThrowArgumentException($"{nameof(GetAbsolutePathForLocal)}: The path {localFilePath} is an absolute path.");
try
{
var path = System.IO.Path.GetFullPath(Path.Combine(
ConfigData.LocalPackageDataPath.Replace(ConfigData.LocalDataPathRegex, package.Name).CleanUpPathCrossPlatform(),
localFilePath.CleanUpPathCrossPlatform()));
if (!path.StartsWith(Path.GetFullPath(ConfigData.LocalDataSavePath)))
ThrowHelper.ThrowUnauthorizedAccessException($"{nameof(GetAbsolutePathForLocal)}: The local path of '{path}' is not a local path!");
return path;
}
catch (Exception e)
{
if (e is ArgumentNullException or ArgumentException or UnauthorizedAccessException)
throw; // these are dev errors and should be propagated.
return FluentResults.Result.Fail(new ExceptionalError(e));
}
}
private Result<T> LoadLocalData<T>(ContentPackage package, string localFilePath, Func<string, Result<T>> dataLoader)
{
Guard.IsNotNull(package, nameof(package));
Guard.IsNotNullOrWhiteSpace(localFilePath, nameof(localFilePath));
using var lck = OperationsLock.AcquireReaderLock().ConfigureAwait(false).GetAwaiter().GetResult();
IService.CheckDisposed(this);
var res = GetAbsolutePathForLocal(package, localFilePath);
return res is { IsFailed: true } ? res.ToResult() : dataLoader(res.Value);
}
public Result<XDocument> LoadLocalXml(ContentPackage package, string localFilePath) => LoadLocalData(package, localFilePath, TryLoadXml);
public Result<byte[]> LoadLocalBinary(ContentPackage package, string localFilePath) => LoadLocalData(package, localFilePath, TryLoadBinary);
public Result<string> LoadLocalText(ContentPackage package, string localFilePath) => LoadLocalData(package, localFilePath, TryLoadText);
private FluentResults.Result SaveLocalData<T>(ContentPackage package, string localFilePath, in T data, Func<string, T, FluentResults.Result> dataSaver)
{
Guard.IsNotNull(package, nameof(package));
Guard.IsNotNullOrWhiteSpace(localFilePath, nameof(localFilePath));
using var lck = OperationsLock.AcquireReaderLock().ConfigureAwait(false).GetAwaiter().GetResult();
IService.CheckDisposed(this);
var res = GetAbsolutePathForLocal(package, localFilePath);
return res is { IsFailed: true } ? res.ToResult() : dataSaver(res.Value, data);
}
public FluentResults.Result SaveLocalXml(ContentPackage package, string localFilePath, XDocument document)
=> SaveLocalData(package, localFilePath, document, (path, data) => TrySaveXml(path, in data));
public FluentResults.Result SaveLocalBinary(ContentPackage package, string localFilePath, in byte[] bytes)
=> SaveLocalData(package, localFilePath, bytes, (path, data) => TrySaveBinary(path, in data));
public FluentResults.Result SaveLocalText(ContentPackage package, string localFilePath, in string text)
=> SaveLocalData(package, localFilePath, text, (path, data) => TrySaveText(path, in data));
private async Task<Result<T>> LoadLocalDataAsync<T>(ContentPackage package, string localFilePath,
Func<string, Task<Result<T>>> dataLoader)
{
Guard.IsNotNull(package, nameof(package));
Guard.IsNotNullOrWhiteSpace(localFilePath, nameof(localFilePath));
using var lck = await OperationsLock.AcquireReaderLock();
IService.CheckDisposed(this);
var res = GetAbsolutePathForLocal(package, localFilePath);
return res is { IsFailed: true } ? res.ToResult() : await dataLoader(res.Value);
}
public async Task<Result<XDocument>> LoadLocalXmlAsync(ContentPackage package, string localFilePath)
=> await LoadLocalDataAsync(package, localFilePath, async path => await TryLoadXmlAsync(path));
public async Task<Result<byte[]>> LoadLocalBinaryAsync(ContentPackage package, string localFilePath)
=> await LoadLocalDataAsync(package, localFilePath, async path => await TryLoadBinaryAsync(path));
public async Task<Result<string>> LoadLocalTextAsync(ContentPackage package, string localFilePath)
=> await LoadLocalDataAsync(package, localFilePath, async path => await TryLoadTextAsync(path));
private async Task<FluentResults.Result> SaveLocalDataAsync<T>(ContentPackage package, string localFilePath,
T data, Func<string, T, Task<FluentResults.Result>> dataSaver)
{
Guard.IsNotNull(package, nameof(package));
Guard.IsNotNullOrWhiteSpace(localFilePath, nameof(localFilePath));
IService.CheckDisposed(this);
using var lck = await OperationsLock.AcquireReaderLock();
var res = GetAbsolutePathForLocal(package, localFilePath);
return res is { IsFailed: true } ? res.ToResult() : await dataSaver(res.Value, data);
}
public async Task<FluentResults.Result> SaveLocalXmlAsync(ContentPackage package, string localFilePath, XDocument document)
=> await SaveLocalDataAsync(package, localFilePath, document, async (path, doc) => await TrySaveXmlAsync(path, doc));
public async Task<FluentResults.Result> SaveLocalBinaryAsync(ContentPackage package, string localFilePath, byte[] bytes)
=> await SaveLocalDataAsync(package, localFilePath, bytes, async (path, bin) => await TrySaveBinaryAsync(path, bin));
public async Task<FluentResults.Result> SaveLocalTextAsync(ContentPackage package, string localFilePath, string text)
=> await SaveLocalDataAsync(package, localFilePath, text, async (path, txt) => await TrySaveTextAsync(path, txt));
private bool IsPackagePathValid(ContentPath contentPath)
{
return contentPath.FullPath.StartsWith(ConfigData.WorkshopModsDirectory)
|| contentPath.FullPath.StartsWith(ConfigData.LocalModsDirectory)
#if CLIENT
|| contentPath.FullPath.StartsWith(ConfigData.TempDownloadsDirectory)
#endif
|| contentPath.FullPath.StartsWith(Path.GetFullPath(ContentPackageManager.VanillaCorePackage!.Dir).CleanUpPathCrossPlatform());
}
// --- Package Content
private Result<T> LoadPackageData<T>(ContentPath contentPath, Func<string, Result<T>> dataLoader)
{
Guard.IsNotNull(contentPath, nameof(contentPath));
Guard.IsNotNullOrWhiteSpace(contentPath.FullPath, nameof(contentPath.FullPath));
using var lck = OperationsLock.AcquireReaderLock().ConfigureAwait(false).GetAwaiter().GetResult();
IService.CheckDisposed(this);
if (!IsPackagePathValid(contentPath))
{
ThrowHelper.ThrowUnauthorizedAccessException($"{nameof(LoadPackageData)}: The filepath of `{contentPath.FullPath}' is not in a package directory!");
}
return dataLoader(contentPath.FullPath);
}
public Result<XDocument> LoadPackageXml(ContentPath filePath)
=> LoadPackageData(filePath, path => TryLoadXml(filePath.FullPath));
public Result<byte[]> LoadPackageBinary(ContentPath filePath)
=> LoadPackageData(filePath, path => TryLoadBinary(filePath.FullPath));
public Result<string> LoadPackageText(ContentPath filePath)
=> LoadPackageData(filePath, path => TryLoadText(filePath.FullPath));
private ImmutableArray<(ContentPath, Result<T>)> LoadPackageDataFiles<T>(ImmutableArray<ContentPath> filePaths, Func<string, Result<T>> dataLoader)
{
if (filePaths.IsDefaultOrEmpty)
ThrowHelper.ThrowArgumentNullException($"{nameof(LoadPackageData)}: File paths is empty!");
using var lck = OperationsLock.AcquireReaderLock().ConfigureAwait(false).GetAwaiter().GetResult();
var builder = ImmutableArray.CreateBuilder<(ContentPath, Result<T>)>();
foreach (var path in filePaths)
{
builder.Add((path, LoadPackageData(path, dataLoader)));
}
return builder.ToImmutable();
}
public ImmutableArray<(ContentPath, Result<XDocument>)> LoadPackageXmlFiles(ImmutableArray<ContentPath> filePaths)
=> LoadPackageDataFiles(filePaths, TryLoadXml);
public ImmutableArray<(ContentPath, Result<byte[]>)> LoadPackageBinaryFiles(ImmutableArray<ContentPath> filePaths)
=> LoadPackageDataFiles(filePaths, TryLoadBinary);
public ImmutableArray<(ContentPath, Result<string>)> LoadPackageTextFiles(ImmutableArray<ContentPath> filePaths)
=> LoadPackageDataFiles(filePaths, TryLoadText);
public Result<ImmutableArray<string>> FindFilesInPackage(ContentPackage package, string localSubfolder, string regexFilter, bool searchRecursively)
{
Guard.IsNotNull(package, nameof(package));
try
{
var cp = ContentPath.FromRaw(package, package.Dir);
var fullPath = localSubfolder.IsNullOrWhiteSpace()
? Path.GetFullPath(cp.FullPath)
: Path.GetFullPath(localSubfolder, cp.FullPath);
return System.IO.Directory.GetFiles(fullPath, regexFilter,
searchRecursively ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly)
.ToImmutableArray();
}
catch (Exception e)
{
if (e is ArgumentNullException or ArgumentException)
throw;
return FluentResults.Result.Fail(new ExceptionalError(e)
.WithMetadata(MetadataType.ExceptionObject, this)
.WithMetadata(MetadataType.RootObject, package));
}
}
private async Task<Result<T>> LoadPackageDataAsync<T>(ContentPath contentPath, Func<string, Task<Result<T>>> dataLoader)
{
Guard.IsNotNull(contentPath, nameof(contentPath));
Guard.IsNotNullOrWhiteSpace(contentPath.FullPath, nameof(contentPath.FullPath));
using var lck = await OperationsLock.AcquireReaderLock();
IService.CheckDisposed(this);
if (!IsPackagePathValid(contentPath))
{
ThrowHelper.ThrowUnauthorizedAccessException($"{nameof(LoadPackageDataAsync)}: The filepath of `{contentPath.FullPath}' is not in a package directory!");
}
return await dataLoader(contentPath.FullPath);
}
public async Task<Result<XDocument>> LoadPackageXmlAsync(ContentPath filePath)
=> await LoadPackageDataAsync(filePath, async path => await TryLoadXmlAsync(path));
public async Task<Result<byte[]>> LoadPackageBinaryAsync(ContentPath filePath)
=> await LoadPackageDataAsync(filePath, async path => await TryLoadBinaryAsync(path));
public async Task<Result<string>> LoadPackageTextAsync(ContentPath filePath)
=> await LoadPackageDataAsync(filePath, async path => await TryLoadTextAsync(path));
private async Task<ImmutableArray<(ContentPath, Result<T>)>> LoadPackageDataFilesAsync<T>(
ImmutableArray<ContentPath> filePaths, Func<string, Task<Result<T>>> dataLoader)
{
if (filePaths.IsDefaultOrEmpty)
{
ThrowHelper.ThrowArgumentNullException($"{nameof(LoadPackageData)}: File paths is empty!");
}
using var lck = await OperationsLock.AcquireReaderLock();
var builder = ImmutableArray.CreateBuilder<(ContentPath, Result<T>)>();
foreach (var path in filePaths)
{
builder.Add((path, await LoadPackageDataAsync(path, dataLoader)));
}
return builder.ToImmutable();
}
public async Task<ImmutableArray<(ContentPath, Result<XDocument>)>> LoadPackageXmlFilesAsync(ImmutableArray<ContentPath> filePaths)
=> await LoadPackageDataFilesAsync(filePaths, async path => await TryLoadXmlAsync(path));
public async Task<ImmutableArray<(ContentPath, Result<byte[]>)>> LoadPackageBinaryFilesAsync(ImmutableArray<ContentPath> filePaths)
=> await LoadPackageDataFilesAsync(filePaths, async path => await TryLoadBinaryAsync(path));
public async Task<ImmutableArray<(ContentPath, Result<string>)>> LoadPackageTextFilesAsync(ImmutableArray<ContentPath> filePaths)
=> await LoadPackageDataFilesAsync(filePaths, async path => await TryLoadTextAsync(path));
private int _useCaching;
public bool UseCaching
{
get => ModUtils.Threading.GetBool(ref _useCaching);
set => ModUtils.Threading.SetBool(ref _useCaching, value);
}
// Method group redirect
private FluentResults.Result<XDocument> TryLoadXml(string filePath) => TryLoadXml(filePath, null);
public virtual FluentResults.Result<XDocument> TryLoadXml(string filePath, Encoding encoding)
{
Guard.IsNotNullOrWhiteSpace(filePath, nameof(filePath));
using var lck = OperationsLock.AcquireReaderLock().ConfigureAwait(false).GetAwaiter().GetResult();
IService.CheckDisposed(this);
var r = TryLoadText(filePath, encoding);
if (r is { IsSuccess: true, Value: not null })
return XDocument.Parse(r.Value);
else
{
return r.ToResult<XDocument>(s => null)
.WithError(GetGeneralError(nameof(LoadLocalXml), filePath));
}
}
// Method group redirect
private FluentResults.Result<string> TryLoadText(string filePath) => TryLoadText(filePath, null);
public virtual FluentResults.Result<string> TryLoadText(string filePath, Encoding encoding)
{
Guard.IsNotNullOrWhiteSpace(filePath, nameof(filePath));
using var lck = OperationsLock.AcquireReaderLock().ConfigureAwait(false).GetAwaiter().GetResult();
IService.CheckDisposed(this);
if (IsReadOperationAllowedEval?.Invoke(filePath) is not true)
{
return FluentResults.Result.Fail($"{nameof(TryLoadText)}: File '{filePath}' is not allowed.");
}
if (UseCaching && _fsCache.TryGetValue(filePath, out var result)
&& result.TryPickT1(out var cachedVal, out _))
{
return FluentResults.Result.Ok(cachedVal);
}
return IOExceptionsOperationRunner(nameof(TryLoadText), filePath, () =>
{
var fp = filePath.CleanUpPath();
fp = System.IO.Path.IsPathRooted(fp) ? fp : System.IO.Path.GetFullPath(fp);
var fileText = encoding is null ? System.IO.File.ReadAllText(fp) : System.IO.File.ReadAllText(fp, encoding);
if (UseCaching)
_fsCache[filePath] = fileText;
return new FluentResults.Result<string>().WithSuccess($"Loaded file successfully").WithValue(fileText);
});
}
public virtual FluentResults.Result<byte[]> TryLoadBinary(string filePath)
{
Guard.IsNotNullOrWhiteSpace(filePath, nameof(filePath));
using var lck = OperationsLock.AcquireReaderLock().ConfigureAwait(false).GetAwaiter().GetResult();
IService.CheckDisposed(this);
if (IsReadOperationAllowedEval?.Invoke(filePath) is not true)
{
return FluentResults.Result.Fail($"{nameof(TryLoadBinary)}: File '{filePath}' is not allowed.");
}
if (UseCaching && _fsCache.TryGetValue(filePath, out var result)
&& result.TryPickT0(out var cachedVal, out _))
{
return FluentResults.Result.Ok(cachedVal);
}
return IOExceptionsOperationRunner(nameof(TryLoadBinary), filePath, () =>
{
var fp = filePath.CleanUpPath();
fp = System.IO.Path.IsPathRooted(fp) ? fp : System.IO.Path.GetFullPath(fp);
var fileData = System.IO.File.ReadAllBytes(fp);
if (UseCaching)
{
_fsCache[filePath] = fileData;
}
return new FluentResults.Result<byte[]>().WithSuccess($"Loaded file successfully").WithValue(fileData);
});
}
public virtual FluentResults.Result TrySaveXml(string filePath, in XDocument document, Encoding encoding = null) => TrySaveText(filePath, document.ToString(), encoding);
public virtual FluentResults.Result TrySaveText(string filePath, in string text, Encoding encoding = null)
{
Guard.IsNotNullOrWhiteSpace(text, nameof(text));
using var lck = OperationsLock.AcquireReaderLock().ConfigureAwait(false).GetAwaiter().GetResult();
IService.CheckDisposed(this);
if (IsWriteOperationAllowedEval?.Invoke(filePath) is not true)
{
return FluentResults.Result.Fail($"{nameof(TrySaveText)}: File '{filePath}' is not allowed.");
}
string t = text; //copy
return IOExceptionsOperationRunner(nameof(TrySaveText), filePath, () =>
{
var fp = filePath.CleanUpPath();
fp = System.IO.Path.IsPathRooted(fp) ? fp : System.IO.Path.GetFullPath(fp);
Directory.CreateDirectory(Path.GetDirectoryName(fp)!);
System.IO.File.WriteAllText(fp, t, encoding ?? Encoding.UTF8);
if (UseCaching)
_fsCache[filePath] = t;
return new FluentResults.Result().WithSuccess($"Saved to file successfully");
});
}
public virtual FluentResults.Result TrySaveBinary(string filePath, in byte[] bytes)
{
Guard.IsNotNullOrWhiteSpace(filePath, nameof(filePath));
Guard.IsNotNull(bytes, nameof(bytes));
Guard.HasSizeGreaterThanOrEqualTo(bytes, 1, nameof(bytes));
using var lck = OperationsLock.AcquireReaderLock().ConfigureAwait(false).GetAwaiter().GetResult();
IService.CheckDisposed(this);
if (IsWriteOperationAllowedEval?.Invoke(filePath) is not true)
{
return FluentResults.Result.Fail($"{nameof(TrySaveBinary)}: File '{filePath}' is not allowed.");
}
byte[] b = new byte[bytes.Length];
System.Buffer.BlockCopy(bytes, 0, b, 0, bytes.Length);
return IOExceptionsOperationRunner(nameof(TrySaveBinary), filePath, () =>
{
var fp = filePath.CleanUpPath();
fp = System.IO.Path.IsPathRooted(fp) ? fp : System.IO.Path.GetFullPath(fp);
Directory.CreateDirectory(Path.GetDirectoryName(fp)!);
System.IO.File.WriteAllBytes(fp, b);
if (UseCaching)
_fsCache[filePath] = b;
return new FluentResults.Result().WithSuccess($"Saved to file successfully");
});
}
public virtual FluentResults.Result<bool> FileExists(string filePath)
{
Guard.IsNotNullOrWhiteSpace(filePath, nameof(filePath));
IService.CheckDisposed(this);
// lock not needed
if (IsReadOperationAllowedEval?.Invoke(filePath) is not true)
{
return FluentResults.Result.Fail($"{nameof(FileExists)}: File '{filePath}' is not allowed.");
}
return IOExceptionsOperationRunner<bool>(nameof(FileExists), filePath, () =>
{
var fp = filePath.CleanUpPath();
fp = System.IO.Path.IsPathRooted(fp) ? fp : System.IO.Path.GetFullPath(fp);
return System.IO.File.Exists(fp);
});
}
public virtual FluentResults.Result<bool> DirectoryExists(string directoryPath)
{
Guard.IsNotNullOrWhiteSpace(directoryPath, nameof(directoryPath));
IService.CheckDisposed(this);
// lock not needed
if (IsReadOperationAllowedEval?.Invoke(directoryPath) is not true)
{
return FluentResults.Result.Fail($"{nameof(DirectoryExists)}: File '{directoryPath}' is not allowed.");
}
try
{
var di = new DirectoryInfo(directoryPath);
return di.Exists;
}
catch (Exception ex)
{
return new FluentResults.Result<bool>().WithError(ex.Message);
}
}
public virtual async Task<FluentResults.Result<XDocument>> TryLoadXmlAsync(string filePath, Encoding encoding = null)
{
Guard.IsNotNullOrWhiteSpace(filePath, nameof(filePath));
using var lck = await OperationsLock.AcquireReaderLock();
IService.CheckDisposed(this);
if (IsReadOperationAllowedEval.Invoke(filePath) is not true)
{
return FluentResults.Result.Fail($"{nameof(TryLoadXmlAsync)}: File '{filePath}' is not allowed.");
}
if (UseCaching && _fsCache.TryGetValue(filePath, out var cachedVal)
&& cachedVal.TryPickT2(out var cachedDoc, out _))
{
return FluentResults.Result.Ok(cachedDoc);
}
try
{
await using var fs = new FileStream(filePath, FileMode.Open, FileAccess.Read);
var doc = await XDocument.LoadAsync(fs, LoadOptions.PreserveWhitespace, CancellationToken.None);
if (UseCaching)
_fsCache[filePath] = doc;
return FluentResults.Result.Ok(doc);
}
catch (Exception e)
{
return FluentResults.Result.Fail<XDocument>(GetGeneralError(nameof(TryLoadXmlAsync), filePath));
}
}
public virtual async Task<FluentResults.Result<string>> TryLoadTextAsync(string filePath, Encoding encoding = null)
{
Guard.IsNotNullOrWhiteSpace(filePath, nameof(filePath));
using var lck = await OperationsLock.AcquireReaderLock();
IService.CheckDisposed(this);
if (IsReadOperationAllowedEval.Invoke(filePath) is not true)
{
return FluentResults.Result.Fail($"{nameof(TryLoadTextAsync)}: File '{filePath}' is not allowed.");
}
if (UseCaching && _fsCache.TryGetValue(filePath, out var cachedVal)
&& cachedVal.TryPickT1(out var cachedTxt, out _))
{
return FluentResults.Result.Ok(cachedTxt);
}
return await IOExceptionsOperationRunnerAsync<string>(nameof(TryLoadTextAsync), filePath, async () =>
{
var fp = filePath.CleanUpPath();
fp = System.IO.Path.IsPathRooted(fp) ? fp : System.IO.Path.GetFullPath(fp);
var txt = await System.IO.File.ReadAllTextAsync(fp);
if (UseCaching)
_fsCache[filePath] = txt;
return FluentResults.Result.Ok(txt);
});
}
public virtual async Task<FluentResults.Result<byte[]>> TryLoadBinaryAsync(string filePath)
{
Guard.IsNotNullOrWhiteSpace(filePath, nameof(filePath));
using var lck = await OperationsLock.AcquireReaderLock();
IService.CheckDisposed(this);
if (IsReadOperationAllowedEval.Invoke(filePath) is not true)
{
return FluentResults.Result.Fail($"{nameof(TryLoadBinaryAsync)}: File '{filePath}' is not allowed.");
}
if (UseCaching && _fsCache.TryGetValue(filePath, out var cachedVal)
&& cachedVal.TryPickT0(out var cachedBin, out _))
{
return cachedBin;
}
return await IOExceptionsOperationRunnerAsync<byte[]>(nameof(TryLoadTextAsync), filePath, async () =>
{
var fp = filePath.CleanUpPath();
fp = System.IO.Path.IsPathRooted(fp) ? fp : System.IO.Path.GetFullPath(fp);
return await System.IO.File.ReadAllBytesAsync(fp);
});
}
// method group overload
public virtual async Task<FluentResults.Result> TrySaveXmlAsync(string filePath, XDocument document, Encoding encoding = null) => await TrySaveTextAsync(filePath, document.ToString(), encoding);
public virtual async Task<FluentResults.Result> TrySaveTextAsync(string filePath, string text, Encoding encoding = null)
{
Guard.IsNotNullOrWhiteSpace(text, nameof(text));
using var lck = await OperationsLock.AcquireReaderLock();
IService.CheckDisposed(this);
if (IsWriteOperationAllowedEval.Invoke(filePath) is not true)
{
return FluentResults.Result.Fail($"{nameof(TrySaveTextAsync)}: File '{filePath}' is not allowed.");
}
string t = text.ToString(); //copy
return await IOExceptionsOperationRunnerAsync(nameof(TrySaveText), filePath, async () =>
{
var fp = filePath.CleanUpPath();
fp = System.IO.Path.IsPathRooted(fp) ? fp : System.IO.Path.GetFullPath(fp);
await System.IO.File.WriteAllTextAsync(fp, t, encoding);
if (UseCaching)
_fsCache[filePath] = t;
return new FluentResults.Result().WithSuccess($"Saved to file successfully");
});
}
public virtual async Task<FluentResults.Result> TrySaveBinaryAsync(string filePath, byte[] bytes)
{
Guard.IsNotNullOrWhiteSpace(filePath, nameof(filePath));
Guard.IsNotNull(bytes, nameof(bytes));
Guard.HasSizeGreaterThanOrEqualTo(bytes, 1, nameof(bytes));
using var lck = await OperationsLock.AcquireReaderLock();
IService.CheckDisposed(this);
if (IsWriteOperationAllowedEval.Invoke(filePath) is not true)
{
return FluentResults.Result.Fail($"{nameof(TrySaveBinaryAsync)}: File '{filePath}' is not allowed.");
}
byte[] b = new byte[bytes.Length];
System.Buffer.BlockCopy(bytes, 0, b, 0, bytes.Length);
return await IOExceptionsOperationRunnerAsync(nameof(TrySaveBinary), filePath, async () =>
{
var fp = filePath.CleanUpPath();
fp = System.IO.Path.IsPathRooted(fp) ? fp : System.IO.Path.GetFullPath(fp);
await System.IO.File.WriteAllBytesAsync(fp, b);
if (UseCaching)
_fsCache[filePath] = b;
return new FluentResults.Result().WithSuccess($"Saved to file successfully");
});
}
private async Task<FluentResults.Result<T>> IOExceptionsOperationRunnerAsync<T>(string funcName, string filepath, Func<Task<FluentResults.Result<T>>> operation)
{
try
{
return await operation?.Invoke()!;
}
catch (Exception e)
{
if (e is ArgumentException or ArgumentNullException)
throw;
return ReturnException(e, filepath).WithError(GetGeneralError(funcName, filepath));
}
}
private async Task<FluentResults.Result> IOExceptionsOperationRunnerAsync(string funcName, string filepath, Func<Task<FluentResults.Result>> operation)
{
try
{
return await operation?.Invoke()!;
}
catch (Exception e)
{
if (e is ArgumentException or ArgumentNullException)
throw;
return ReturnException(e, filepath).WithError(GetGeneralError(funcName, filepath));
}
}
private FluentResults.Result<T> IOExceptionsOperationRunner<T>(string funcName, string filepath, Func<FluentResults.Result<T>> operation)
{
try
{
return operation?.Invoke();
}
catch (Exception e)
{
if (e is ArgumentException or ArgumentNullException)
throw;
return ReturnException(e, filepath).WithError(GetGeneralError(funcName, filepath));
}
}
private FluentResults.Result IOExceptionsOperationRunner(string funcName, string filepath, Func<FluentResults.Result> operation)
{
try
{
return operation?.Invoke();
}
catch (Exception e)
{
if (e is ArgumentException or ArgumentNullException)
throw;
return ReturnException(e, filepath).WithError(GetGeneralError(funcName, filepath));
}
}
private Error GetGeneralError(string funcName, string localfp, ContentPackage package) =>
new Error($"{funcName}: Failed to load local file.")
.WithMetadata(MetadataType.ExceptionObject, this)
.WithMetadata(MetadataType.Sources, localfp)
.WithMetadata(MetadataType.RootObject, package);
private Error GetGeneralError(string funcName, string localfp) =>
new Error($"{funcName}: Failed to load local file.")
.WithMetadata(MetadataType.ExceptionObject, this)
.WithMetadata(MetadataType.Sources, localfp);
private FluentResults.Result<TReturn> ReturnException<TReturn, TException>(TException exception, ContentPackage package) where TException : Exception
{
return new FluentResults.Result<TReturn>().WithError(new ExceptionalError(exception)
.WithMetadata(MetadataType.ExceptionObject, this)
.WithMetadata(MetadataType.RootObject, package));
}
private FluentResults.Result ReturnException<TException>(TException exception, ContentPackage package) where TException : Exception
{
return new FluentResults.Result().WithError(new ExceptionalError(exception)
.WithMetadata(MetadataType.ExceptionObject, this)
.WithMetadata(MetadataType.RootObject, package));
}
private FluentResults.Result ReturnException<TException>(TException exception, string filePath) where TException : Exception
{
return new FluentResults.Result().WithError(new ExceptionalError(exception)
.WithMetadata(MetadataType.ExceptionObject, this)
.WithMetadata(MetadataType.RootObject, filePath));
}
}