From e9abaa519c10e8f8337544120f477164bbd5645b Mon Sep 17 00:00:00 2001
From: Shadowghost <Ghost_of_Stone@web.de>
Date: Mon, 31 Aug 2026 08:36:33 +0200
Subject: [PATCH] Repair the blank algorithm select and missing logo in
 ListenBrainz plugin settings

---
 .../ListenBrainz/Configuration/config.html    | 39 ++++++++++++++-----
 1 file changed, 29 insertions(+), 10 deletions(-)

diff --git a/MediaBrowser.Providers/Plugins/ListenBrainz/Configuration/config.html b/MediaBrowser.Providers/Plugins/ListenBrainz/Configuration/config.html
index dec21d1b42..0f57321afb 100644
--- a/MediaBrowser.Providers/Plugins/ListenBrainz/Configuration/config.html
+++ b/MediaBrowser.Providers/Plugins/ListenBrainz/Configuration/config.html
@@ -18,12 +18,12 @@
                     <div class="selectContainer">
                         <label class="selectLabel" for="algorithm">Similarity Algorithm</label>
                         <select is="emby-select" id="algorithm" class="emby-select-withcolor">
-                            <option value="0" selected>~5 years / 1825 days (Recommended)</option>
-                            <option value="1">~5 years / 1800 days</option>
-                            <option value="2">~20 years / 7500 days</option>
-                            <option value="3">~20 years / 7500 days (high contribution)</option>
-                            <option value="4">~25 years / 9000 days</option>
-                            <option value="5">~75 days (recent)</option>
+                            <option value="SessionBased1825Days" selected>~5 years / 1825 days (Recommended)</option>
+                            <option value="SessionBased1800Days">~5 years / 1800 days</option>
+                            <option value="SessionBased7500Days">~20 years / 7500 days</option>
+                            <option value="SessionBased7500DaysHighContribution">~20 years / 7500 days (high contribution)</option>
+                            <option value="SessionBased9000Days">~25 years / 9000 days</option>
+                            <option value="SessionBased75Days">~75 days (recent)</option>
                         </select>
                         <div class="fieldDescription">The algorithm used for artist similarity calculation.</div>
                     </div>
@@ -52,13 +52,26 @@
         </div>
         <script type="text/javascript">
             var ListenBrainzPluginConfig = {
-                uniquePluginId: "a5b2e8c1-9d4f-4a3b-8c7e-6f1a2b3c4d5e"
+                uniquePluginId: "a5b2e8c1-9d4f-4a3b-8c7e-6f1a2b3c4d5e",
+                defaultAlgorithm: "SessionBased1825Days"
             };
 
             document.querySelector('.configPage')
                 .addEventListener('pageshow', function () {
                     Dashboard.showLoadingMsg();
-                    document.querySelector('#listenBrainzLogo').src = ApiClient.getUrl('web/ConfigurationPage', { name: 'ListenBrainzLogo' });
+
+                    // The logo is served as the plugin's embedded image, which is addressed by id and version.
+                    ApiClient.getInstalledPlugins().then(function (plugins) {
+                        var wantedId = ListenBrainzPluginConfig.uniquePluginId.replace(/-/g, '');
+                        var plugin = plugins.filter(function (installed) {
+                            return (installed.Id || '').replace(/-/g, '').toLowerCase() === wantedId;
+                        })[0];
+
+                        if (plugin) {
+                            document.querySelector('#listenBrainzLogo').src = ApiClient.getUrl('Plugins/' + plugin.Id + '/' + plugin.Version + '/Image');
+                        }
+                    });
+
                     ApiClient.getPluginConfiguration(ListenBrainzPluginConfig.uniquePluginId).then(function (config) {
                         var labsServer = document.querySelector('#labsServer');
                         labsServer.value = config.LabsServer;
@@ -67,7 +80,13 @@
                             cancelable: false
                         }));
 
-                        document.querySelector('#algorithm').value = config.Algorithm;
+                        // The API serialises the algorithm as its enum name, so an unknown value here
+                        // means a config written by an older build; fall back to the default.
+                        var algorithm = document.querySelector('#algorithm');
+                        algorithm.value = config.Algorithm;
+                        if (!algorithm.value) {
+                            algorithm.value = ListenBrainzPluginConfig.defaultAlgorithm;
+                        }
 
                         var rateLimit = document.querySelector('#rateLimit');
                         rateLimit.value = config.RateLimit;
@@ -93,7 +112,7 @@
 
                     ApiClient.getPluginConfiguration(ListenBrainzPluginConfig.uniquePluginId).then(function (config) {
                         config.LabsServer = document.querySelector('#labsServer').value;
-                        config.Algorithm = parseInt(document.querySelector('#algorithm').value, 10);
+                        config.Algorithm = document.querySelector('#algorithm').value;
                         config.RateLimit = document.querySelector('#rateLimit').value;
                         config.SimilarItemsCacheDays = parseInt(document.querySelector('#similarItemsCacheDays').value, 10);