init

backend/Program.cs

@@ -0,0 +1,135 @@
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Caching.Memory;
+using Microsoft.Extensions.Hosting;
+
+var builder = WebApplication.CreateBuilder(args);
+
+builder.Services.AddMemoryCache();
+
+builder.Services.AddCors(options =>
+{
+    options.AddPolicy("AllowAll",
+        policy =>
+        {
+            policy.AllowAnyOrigin()
+                  .AllowAnyHeader()
+                  .AllowAnyMethod();
+        });
+});
+
+var app = builder.Build();
+app.UseCors("AllowAll");
+
+app.MapGet("/ping", () => "pong");
+
+
+// Define the API routes
+app.MapGet("/api/v1/songs/{hash}", (string hash) =>
+    {
+
+        return Results.Ok(new { hash });
+    });
+
+app.MapGet("/api/v1/songs/recent", (int? limit, int? offset) =>
+    {
+        var limitValue = limit ?? 100; // default to 10 if not provided
+        var offsetValue = offset ?? 0; // default to 0 if not provided
+
+        return Results.Json(Osudb.Instance.GetRecent(limitValue, offsetValue));
+    });
+
+app.MapGet("/api/v1/songs/favorite", (int? limit, int? offset) =>
+    {
+        var limitValue = limit ?? 10; // default to 10 if not provided
+        var offsetValue = offset ?? 0; // default to 0 if not provided
+
+        return Results.Ok(new { Limit = limitValue, Offset = offsetValue, Message = "List of favorite songs" });
+    });
+
+app.MapGet("/api/v1/songs/{hash}", (string hash) =>
+    {
+        return Results.Ok($"Details for song with hash {hash}");
+    });
+
+app.MapGet("/api/v1/collections/", async (int? limit, int? offset, [FromServices] IMemoryCache cache) =>
+    {
+        const string cacheKey = "collections";
+
+        if (!cache.TryGetValue(cacheKey, out var collections))
+        {
+         
+            collections = Osudb.Instance.GetCollections();
+
+            var cacheEntryOptions = new MemoryCacheEntryOptions()
+                .SetSlidingExpiration(TimeSpan.FromDays(1)) 
+                .SetAbsoluteExpiration(TimeSpan.FromDays(3));  
+
+            cache.Set(cacheKey, collections, cacheEntryOptions);
+        }
+
+        return Results.Json(collections);
+
+    });
+
+app.MapGet("/api/v1/collection/{index}", (int index) =>
+    {
+        return Results.Json(Osudb.Instance.GetCollection(index));
+    });
+
+app.MapGet("/api/v1/audio/{*fileName}", async (string fileName, HttpContext context) =>
+{
+    var decodedFileName = Uri.UnescapeDataString(fileName);
+    var filePath = Path.Combine(Osudb.osufolder, "Songs", decodedFileName);
+
+    if (!System.IO.File.Exists(filePath))
+    {
+        Console.WriteLine($"Not Found: {filePath}");
+        return Results.NotFound();
+    }
+
+    var fileExtension = Path.GetExtension(filePath).ToLowerInvariant();
+    var contentType = fileExtension switch
+    {
+        ".mp3" => "audio/mpeg",
+        ".wav" => "audio/wav",
+        ".ogg" => "audio/ogg",
+        _ => "application/octet-stream",
+    };
+
+    var fileStream = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read);
+
+    return Results.Stream(fileStream, contentType, enableRangeProcessing: true);
+});
+
+
+app.MapGet("/api/v1/images/{*filename}", async (string filename) =>
+{
+    var decodedFileName = Uri.UnescapeDataString(filename);
+    var filePath = Path.Combine(Osudb.osufolder, "Songs", decodedFileName);
+
+    if (!System.IO.File.Exists(filePath))
+    {
+        Console.WriteLine($"Not Found: {filePath}");
+        return Results.NotFound();
+    }
+
+    var fileExtension = Path.GetExtension(filePath).ToLowerInvariant();
+    var contentType = fileExtension switch
+    {
+        ".jpg" or ".jpeg" => "image/jpeg",
+        ".png" => "image/png",
+        ".gif" => "image/gif",
+        ".bmp" => "image/bmp",
+        ".webp" => "image/webp",
+        _ => "application/octet-stream",
+    };
+
+    var fileStream = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read, 4096, useAsync: true);
+
+    return Results.Stream(fileStream, contentType, filename);
+});
+
+
+
+app.Run();