MRU->RMU, fixes, cleanup

1 files changed, 49 insertions, 0 deletions

diff --git a/MatrixUtils.Abstractions/FileStorageProvider.cs b/MatrixUtils.Abstractions/FileStorageProvider.cs
new file mode 100644
index 0000000..fbe068d
--- /dev/null
+++ b/MatrixUtils.Abstractions/FileStorageProvider.cs
@@ -0,0 +1,49 @@
+using System.Diagnostics.CodeAnalysis;
+using System.Text.Json;
+using ArcaneLibs.Extensions;
+using LibMatrix.Extensions;
+using LibMatrix.Interfaces.Services;
+using Microsoft.Extensions.Logging;
+
+namespace MatrixUtils.Abstractions;
+
+public class FileStorageProvider : IStorageProvider {
+    private readonly ILogger<FileStorageProvider> _logger;
+
+    public string TargetPath { get; }
+
+    /// <summary>
+    /// Creates a new instance of <see cref="FileStorageProvider" />.
+    /// </summary>
+    /// <param name="targetPath"></param>
+    public FileStorageProvider(string targetPath) {
+        // new Logger<FileStorageProvider>(new LoggerFactory()).LogInformation("test");
+        Console.WriteLine($"Initialised FileStorageProvider with path {targetPath}");
+        TargetPath = targetPath;
+        if (!Directory.Exists(targetPath)) {
+            Directory.CreateDirectory(targetPath);
+        }
+    }
+
+    public async Task SaveObjectAsync<T>(string key, T value) => await File.WriteAllTextAsync(Path.Join(TargetPath, key), value?.ToJson());
+
+    [RequiresUnreferencedCode("This API uses reflection to deserialize JSON")]
+    public async Task<T?> LoadObjectAsync<T>(string key) => JsonSerializer.Deserialize<T>(await File.ReadAllTextAsync(Path.Join(TargetPath, key)));
+
+    public Task<bool> ObjectExistsAsync(string key) => Task.FromResult(File.Exists(Path.Join(TargetPath, key)));
+
+    public Task<List<string>> GetAllKeysAsync() => Task.FromResult(Directory.GetFiles(TargetPath).Select(Path.GetFileName).ToList());
+
+    public Task DeleteObjectAsync(string key) {
+        File.Delete(Path.Join(TargetPath, key));
+        return Task.CompletedTask;
+    }
+
+    public async Task SaveStreamAsync(string key, Stream stream) {
+        Directory.CreateDirectory(Path.GetDirectoryName(Path.Join(TargetPath, key)) ?? throw new InvalidOperationException());
+        await using var fileStream = File.Create(Path.Join(TargetPath, key));
+        await stream.CopyToAsync(fileStream);
+    }
+
+    public Task<Stream?> LoadStreamAsync(string key) => Task.FromResult<Stream?>(File.Exists(Path.Join(TargetPath, key)) ? File.OpenRead(Path.Join(TargetPath, key)) : null);
+}