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feat: add 1-hour cache for playlist cover images

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This commit is contained in:
Josh Patra
2026-02-06 12:31:56 -05:00
parent 3a433e276c
commit fbac81df64
2 changed files with 30 additions and 0 deletions
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15
allstarr/Controllers/JellyfinController.cs
View File

@@ -1621,6 +1621,16 @@ public class JellyfinController : ControllerBase
{ {
try try
{ {
// Check cache first (1 hour TTL for playlist images since they can change)
var cacheKey = $"playlist:image:{playlistId}";
var cachedImage = await _cache.GetAsync<byte[]>(cacheKey);
if (cachedImage != null)
{
_logger.LogDebug("Serving cached playlist image for {PlaylistId}", playlistId);
return File(cachedImage, "image/jpeg");
}
var (provider, externalId) = PlaylistIdHelper.ParsePlaylistId(playlistId); var (provider, externalId) = PlaylistIdHelper.ParsePlaylistId(playlistId);
var playlist = await _metadataService.GetPlaylistAsync(provider, externalId); var playlist = await _metadataService.GetPlaylistAsync(provider, externalId);
@@ -1637,6 +1647,11 @@ public class JellyfinController : ControllerBase
var imageBytes = await response.Content.ReadAsByteArrayAsync(); var imageBytes = await response.Content.ReadAsByteArrayAsync();
var contentType = response.Content.Headers.ContentType?.ToString() ?? "image/jpeg"; var contentType = response.Content.Headers.ContentType?.ToString() ?? "image/jpeg";
// Cache for 1 hour (playlists can change, so don't cache too long)
await _cache.SetAsync(cacheKey, imageBytes, TimeSpan.FromHours(1));
_logger.LogDebug("Cached playlist image for {PlaylistId}", playlistId);
return File(imageBytes, contentType); return File(imageBytes, contentType);
} }
catch (Exception ex) catch (Exception ex)

15
allstarr/Controllers/SubSonicController.cs
View File

@@ -559,6 +559,16 @@ public class SubsonicController : ControllerBase
{ {
try try
{ {
// Check cache first (1 hour TTL for playlist images since they can change)
var cacheKey = $"playlist:image:{id}";
var cachedImage = await _cache.GetAsync<byte[]>(cacheKey);
if (cachedImage != null)
{
_logger.LogDebug("Serving cached playlist cover art for {Id}", id);
return File(cachedImage, "image/jpeg");
}
var (provider, externalId) = PlaylistIdHelper.ParsePlaylistId(id); var (provider, externalId) = PlaylistIdHelper.ParsePlaylistId(id);
var playlist = await _metadataService.GetPlaylistAsync(provider, externalId); var playlist = await _metadataService.GetPlaylistAsync(provider, externalId);
@@ -576,6 +586,11 @@ public class SubsonicController : ControllerBase
var imageBytes = await imageResponse.Content.ReadAsByteArrayAsync(); var imageBytes = await imageResponse.Content.ReadAsByteArrayAsync();
var contentType = imageResponse.Content.Headers.ContentType?.ToString() ?? "image/jpeg"; var contentType = imageResponse.Content.Headers.ContentType?.ToString() ?? "image/jpeg";
// Cache for 1 hour (playlists can change, so don't cache too long)
await _cache.SetAsync(cacheKey, imageBytes, TimeSpan.FromHours(1));
_logger.LogDebug("Cached playlist cover art for {Id}", id);
return File(imageBytes, contentType); return File(imageBytes, contentType);
} }
catch (Exception ex) catch (Exception ex)