From dfe942d3cf4a60c06a530c64793981bfff5fe9fd Mon Sep 17 00:00:00 2001
From: Jake Mannens <jake@asger.xyz>
Date: Mon, 30 Mar 2026 04:39:14 +1100
Subject: v0.5a

---
 Controllers/MediaController.cs | 40 ++++++++++++++++++++++++++++++++--------
 1 file changed, 32 insertions(+), 8 deletions(-)

(limited to 'Controllers/MediaController.cs')

diff --git a/Controllers/MediaController.cs b/Controllers/MediaController.cs
index 2c015f7..cd6916f 100644
--- a/Controllers/MediaController.cs
+++ b/Controllers/MediaController.cs
@@ -8,18 +8,26 @@ namespace HyperBooru.Controllers;
 [ApiController]
 [Route("/media")]
 public class MediaController : Controller {
-    private IMediaService  mediaService;
-    private IConfigService config;
-    private HBContext      db;
+    private IHttpContextAccessor httpContextAccessor;
+    private IMediaService        mediaService;
+    private IConfigService       config;
+    private HBContext            db;
+
+    private readonly string[] FormatPriority = [
+        "image/webp",
+        "image/png"
+    ];
 
     public MediaController(
+        IHttpContextAccessor httpContextAccessor,
         IMediaService mediaService,
         IConfigService config,
         HBContext db) {
 
-        this.mediaService = mediaService;
-        this.config       = config;
-        this.db           = db;
+        this.httpContextAccessor = httpContextAccessor;
+        this.mediaService        = mediaService;
+        this.config              = config;
+        this.db                  = db;
     }
 
     [HttpGet("{mediaId}")]
@@ -30,9 +38,25 @@ public class MediaController : Controller {
         if(media is null)
             return NotFound();
 
-        var fs = System.IO.File.OpenRead(mediaService.GetPath(media));
+        // Check if the requested media item is a HEIC image and if it is, convert it
+        // otherwise, return the original file content, unaltered
+        if(media.CurrentUploadedFile!.MimeType == "image/heic") {
+            // If the media needs to be converted, check the HTTP request for allowed
+            // media formats, and convert to the best available format or WebP otherwise
+            var allowedTypes = httpContextAccessor
+                .HttpContext?
+                .Request
+                .GetTypedHeaders().Accept.Select(h => h.MediaType.ToString()) ?? Array.Empty<string>();
+
+            var format = FormatPriority.FirstOrDefault(f => allowedTypes.Contains(f)) ?? "image/webp";
 
-        return new FileStreamResult(fs, media.CurrentUploadedFile!.MimeType);
+            var fs = mediaService.GetConverted(media, format);
+
+            return new FileStreamResult(fs, format);
+        } else {
+            var fs = System.IO.File.OpenRead(mediaService.GetPath(media));
+            return new FileStreamResult(fs, media.CurrentUploadedFile!.MimeType);
+        }
     }
 
     [HttpGet("thumb/{mediaId}")]
-- 
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