Move AttachmentsService to AttachmentsController

Jellyfin.Api/Controllers/AttachmentsController.cs

@@ -0,0 +1,86 @@
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using MediaBrowser.Common.Extensions;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.MediaEncoding;
+using MediaBrowser.Controller.Net;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Jellyfin.Api.Controllers
+{
+    /// <summary>
+    /// Attachments controller.
+    /// </summary>
+    [Route("Videos")]
+    [Authenticated]
+    public class AttachmentsController : Controller
+    {
+        private readonly ILibraryManager _libraryManager;
+        private readonly IAttachmentExtractor _attachmentExtractor;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="AttachmentsController"/> class.
+        /// </summary>
+        /// <param name="libraryManager">Instance of the <see cref="ILibraryManager"/> interface.</param>
+        /// <param name="attachmentExtractor">Instance of the <see cref="IAttachmentExtractor"/> interface.</param>
+        public AttachmentsController(
+            ILibraryManager libraryManager,
+            IAttachmentExtractor attachmentExtractor)
+        {
+            _libraryManager = libraryManager;
+            _attachmentExtractor = attachmentExtractor;
+        }
+
+        /// <summary>
+        /// Get video attachment.
+        /// </summary>
+        /// <param name="videoId">Video ID.</param>
+        /// <param name="mediaSourceId">Media Source ID.</param>
+        /// <param name="index">Attachment Index.</param>
+        /// <returns>Attachment.</returns>
+        [HttpGet("{VideoID}/{MediaSourceID}/Attachments/{Index}")]
+        [Produces("application/octet-stream")]
+        [ProducesResponseType(typeof(FileStreamResult), StatusCodes.Status200OK)]
+        [ProducesResponseType(StatusCodes.Status404NotFound)]
+        [ProducesResponseType(typeof(string), StatusCodes.Status500InternalServerError)]
+        public async Task<IActionResult> GetAttachment(
+            [FromRoute] Guid videoId,
+            [FromRoute] string mediaSourceId,
+            [FromRoute] int index)
+        {
+            try
+            {
+                var item = _libraryManager.GetItemById(videoId);
+                if (item == null)
+                {
+                    return NotFound();
+                }
+
+                var (attachment, stream) = await _attachmentExtractor.GetAttachment(
+                        item,
+                        mediaSourceId,
+                        index,
+                        CancellationToken.None)
+                    .ConfigureAwait(false);
+
+                var contentType = "application/octet-stream";
+                if (string.IsNullOrWhiteSpace(attachment.MimeType))
+                {
+                    contentType = attachment.MimeType;
+                }
+
+                return new FileStreamResult(stream, contentType);
+            }
+            catch (ResourceNotFoundException e)
+            {
+                return StatusCode(StatusCodes.Status404NotFound, e.Message);
+            }
+            catch (Exception e)
+            {
+                return StatusCode(StatusCodes.Status500InternalServerError, e.Message);
+            }
+        }
+    }
+}