Fix connection configuration - respect ConnectionString and individual options from database.xml

.github/upgrades/scenarios/new-dotnet-version_02bc64/scenario.json

@@ -3,7 +3,7 @@
   "operationId": "02bc6448-a69d-4ff4-a0ec-0db07ec3a09a",
   "description": "Upgrade solution or project to new version of .NET",
   "startTime": "2026-03-05T22:18:32.3921759Z",
-  "lastUpdateTime": "2026-03-09T19:23:25.2251779Z",
+  "lastUpdateTime": "2026-03-10T16:51:30.5053632Z",
   "stage": "Execution",
   "properties": {},
   "folderPath": ""

src/Jellyfin.Database/Jellyfin.Database.Providers.Postgres/PostgresDatabaseProvider.cs

@@ -99,17 +99,17 @@ public sealed class PostgresDatabaseProvider : IJellyfinDatabaseProvider
         // Store the configuration for later use
         databaseConfig = databaseConfiguration;
 
-        static T? GetOption<T>(ICollection<CustomDatabaseOption>? options, string key, Func<string, T> converter, Func<T>? defaultValue = null)
+        static T? GetOption<T>(ICollection<CustomDatabaseOption>? options, string key, Func<string, T> converter, T? defaultValue = default)
         {
             if (options is null)
             {
-                return defaultValue is not null ? defaultValue() : default;
+                return defaultValue;
             }
 
             var value = options.FirstOrDefault(e => e.Key.Equals(key, StringComparison.OrdinalIgnoreCase));
             if (value is null)
             {
-                return defaultValue is not null ? defaultValue() : default;
+                return defaultValue;
             }
 
             return converter(value.Value);
@@ -117,20 +117,106 @@ public sealed class PostgresDatabaseProvider : IJellyfinDatabaseProvider
 
         var customOptions = databaseConfiguration.CustomProviderOptions?.Options;
 
-        var connectionBuilder = new NpgsqlConnectionStringBuilder
+        // Start with connection string if provided, then override with individual options
+        NpgsqlConnectionStringBuilder connectionBuilder;
+
+        if (!string.IsNullOrWhiteSpace(databaseConfiguration.CustomProviderOptions?.ConnectionString))
         {
-            Host = GetOption(customOptions, "host", e => e, () => "localhost")!,
-            Port = GetOption(customOptions, "port", int.Parse, () => 5432),
-            Database = GetOption(customOptions, "database", e => e, () => "jellyfin")!,
-            Username = GetOption(customOptions, "username", e => e, () => "jellyfin")!,
-            Password = GetOption(customOptions, "password", e => e, () => string.Empty)!,
-            Pooling = GetOption(customOptions, "pooling", e => e.Equals(bool.TrueString, StringComparison.OrdinalIgnoreCase), () => true),
-            CommandTimeout = GetOption(customOptions, "command-timeout", int.Parse, () => 120),
-            Timeout = GetOption(customOptions, "connection-timeout", int.Parse, () => 15),
-            Multiplexing = GetOption(customOptions, "multiplexing", e => e.Equals(bool.TrueString, StringComparison.OrdinalIgnoreCase), () => false),
-            MaxPoolSize = GetOption(customOptions, "max-pool-size", int.Parse, () => 100),
-            MinPoolSize = GetOption(customOptions, "min-pool-size", int.Parse, () => 0)
-        };
+            // Use the provided connection string as base
+            connectionBuilder = new NpgsqlConnectionStringBuilder(databaseConfiguration.CustomProviderOptions.ConnectionString);
+            logger.LogDebug("Using ConnectionString from configuration as base");
+        }
+        else
+        {
+            // Start with defaults
+            connectionBuilder = new NpgsqlConnectionStringBuilder
+            {
+                Host = "localhost",
+                Port = 5432,
+                Database = "jellyfin",
+                Username = "jellyfin",
+                Password = string.Empty,
+                Pooling = true,
+                CommandTimeout = 120,
+                Timeout = 15,
+                Multiplexing = false,
+                MaxPoolSize = 100,
+                MinPoolSize = 0
+            };
+            logger.LogDebug("Using default connection parameters");
+        }
+
+        // Override with individual options if provided (these take precedence over ConnectionString)
+        if (customOptions is not null && customOptions.Count > 0)
+        {
+            var host = GetOption<string>(customOptions, "host", e => e, null);
+            if (host is not null)
+            {
+                connectionBuilder.Host = host;
+            }
+
+            var port = GetOption<int?>(customOptions, "port", e => int.Parse(e), null);
+            if (port.HasValue)
+            {
+                connectionBuilder.Port = port.Value;
+            }
+
+            var database = GetOption<string>(customOptions, "database", e => e, null);
+            if (database is not null)
+            {
+                connectionBuilder.Database = database;
+            }
+
+            var username = GetOption<string>(customOptions, "username", e => e, null);
+            if (username is not null)
+            {
+                connectionBuilder.Username = username;
+            }
+
+            var password = GetOption<string>(customOptions, "password", e => e, null);
+            if (password is not null)
+            {
+                connectionBuilder.Password = password;
+            }
+
+            var pooling = GetOption<bool?>(customOptions, "pooling", e => e.Equals(bool.TrueString, StringComparison.OrdinalIgnoreCase), null);
+            if (pooling.HasValue)
+            {
+                connectionBuilder.Pooling = pooling.Value;
+            }
+
+            var commandTimeout = GetOption<int?>(customOptions, "command-timeout", e => int.Parse(e), null);
+            if (commandTimeout.HasValue)
+            {
+                connectionBuilder.CommandTimeout = commandTimeout.Value;
+            }
+
+            var timeout = GetOption<int?>(customOptions, "connection-timeout", e => int.Parse(e), null);
+            if (timeout.HasValue)
+            {
+                connectionBuilder.Timeout = timeout.Value;
+            }
+
+            var multiplexing = GetOption<bool?>(customOptions, "multiplexing", e => e.Equals(bool.TrueString, StringComparison.OrdinalIgnoreCase), null);
+            if (multiplexing.HasValue)
+            {
+                connectionBuilder.Multiplexing = multiplexing.Value;
+            }
+
+            var maxPoolSize = GetOption<int?>(customOptions, "max-pool-size", e => int.Parse(e), null);
+            if (maxPoolSize.HasValue)
+            {
+                connectionBuilder.MaxPoolSize = maxPoolSize.Value;
+            }
+
+            var minPoolSize = GetOption<int?>(customOptions, "min-pool-size", e => int.Parse(e), null);
+            if (minPoolSize.HasValue)
+            {
+                connectionBuilder.MinPoolSize = minPoolSize.Value;
+            }
+
+            logger.LogDebug("Applied {Count} individual option overrides", customOptions.Count);
+        }
 
         var connectionString = connectionBuilder.ToString();
 
@@ -153,7 +239,7 @@ public sealed class PostgresDatabaseProvider : IJellyfinDatabaseProvider
         if (configurationManager is not null)
         {
             // Check if backups are explicitly disabled
-            var disableBackups = GetOption(customOptions, "disable-backups", e => e.Equals(bool.TrueString, StringComparison.OrdinalIgnoreCase), () => false);
+            var disableBackups = GetOption<bool?>(customOptions, "disable-backups", e => e.Equals(bool.TrueString, StringComparison.OrdinalIgnoreCase), null) ?? false;
 
             if (disableBackups)
             {
@@ -195,7 +281,7 @@ public sealed class PostgresDatabaseProvider : IJellyfinDatabaseProvider
             .ConfigureWarnings(warnings =>
                 warnings.Ignore(Microsoft.EntityFrameworkCore.Diagnostics.RelationalEventId.PendingModelChangesWarning));
 
-        var enableSensitiveDataLogging = GetOption(customOptions, "EnableSensitiveDataLogging", e => e.Equals(bool.TrueString, StringComparison.OrdinalIgnoreCase), () => false);
+        var enableSensitiveDataLogging = GetOption<bool?>(customOptions, "EnableSensitiveDataLogging", e => e.Equals(bool.TrueString, StringComparison.OrdinalIgnoreCase), null) ?? false;
         if (enableSensitiveDataLogging)
         {
             options.EnableSensitiveDataLogging(enableSensitiveDataLogging);