Can download a cover art via the cover art's id. Just need to have a stock cover art for songs without any and update the documentation. #50

Controllers/Managers/CoverArtManager.cs

@@ -35,6 +35,7 @@ namespace Icarus.Controllers.Managers
 
             song.CoverArtId = coverArt.CoverArtId;
         }
+
         public CoverArt SaveCoverArt(Song song)
         {
             try

Controllers/v1/CoverArtController.cs

@@ -1,14 +1,19 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
 
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Logging;
 
+using Icarus.Controllers.Managers;
+using Icarus.Database.Repositories;
+using Icarus.Models;
+
 namespace Icarus.Controllers.V1
 {
-    [Route("api/v1/coverart/song")]
+    [Route("api/v1/coverart")]
     [ApiController]
     public class CoverArtController : ControllerBase
     {
@@ -27,8 +32,29 @@ namespace Icarus.Controllers.V1
 
         #region HTTP Routes
         [HttpGet("{id}")]
+        [Authorize("download:cover_art")]
         public IActionResult Get(int id)
         {
+            var coverArt = new CoverArt
+            {
+                CoverArtId = id
+            };
+
+            var coverArtRepository = HttpContext
+                .RequestServices
+                .GetService(
+                        typeof(CoverArtRepository)) as CoverArtRepository;
+
+            coverArt = coverArtRepository.GetCoverArt(coverArt);
+
+            if (coverArt != null)
+            {
+                var coverArtBytes = System.IO.File.ReadAllBytes(
+                        coverArt.ImagePath);
+                return File(coverArtBytes, "application/x-msdownload", 
+                        coverArt.SongTitle);
+            }
+            else
                 return NotFound();
         }
         #endregion

Startup.cs

@@ -62,6 +62,10 @@ namespace Icarus
             policy.Requirements
             .Add(new HasScopeRequirement("download:songs", domain)));
 
+            options.AddPolicy("download:cover_art", policy =>
+                    policy.Requirements
+                    .Add(new HasScopeRequirement("download:cover_art", domain)));
+
         options.AddPolicy("upload:songs", policy => 
             policy.Requirements
             .Add(new HasScopeRequirement("upload:songs", domain)));