Extract Database to interface

PluralKit.API/Controllers/SystemController.cs

@@ -40,10 +40,10 @@ namespace PluralKit.API
     public class SystemController : ControllerBase
     {
         private IDataStore _data;
-        private Database _conn;
+        private IDatabase _conn;
         private TokenAuthService _auth;
 
-        public SystemController(IDataStore data, Database conn, TokenAuthService auth)
+        public SystemController(IDataStore data, IDatabase conn, TokenAuthService auth)
         {
             _data = data;
             _conn = conn;

PluralKit.API/Program.cs

@@ -11,7 +11,7 @@ namespace PluralKit.API
     {
         public static void Main(string[] args)
         {
-            Database.InitStatic();
+            InitUtils.InitStatic();
             CreateHostBuilder(args).Build().Run();
         }
 

PluralKit.Bot/Commands/Autoproxy.cs

@@ -11,9 +11,9 @@ namespace PluralKit.Bot
 {
     public class Autoproxy
     {
-        private readonly Database _db;
+        private readonly IDatabase _db;
 
-        public Autoproxy(Database db)
+        public Autoproxy(IDatabase db)
         {
             _db = db;
         }

PluralKit.Bot/Commands/MemberAvatar.cs

@@ -14,9 +14,9 @@ namespace PluralKit.Bot
 {
     public class MemberAvatar
     {
-        private readonly Database _db;
+        private readonly IDatabase _db;
 
-        public MemberAvatar(Database db)
+        public MemberAvatar(IDatabase db)
         {
             _db = db;
         }

PluralKit.Bot/Commands/MemberEdit.cs

@@ -12,9 +12,9 @@ namespace PluralKit.Bot
     public class MemberEdit
     {
         private readonly IDataStore _data;
-        private readonly Database _db;
+        private readonly IDatabase _db;
 
-        public MemberEdit(IDataStore data, Database db)
+        public MemberEdit(IDataStore data, IDatabase db)
         {
             _data = data;
             _db = db;

PluralKit.Bot/Commands/ServerConfig.cs

@@ -13,9 +13,9 @@ namespace PluralKit.Bot
 {
     public class ServerConfig
     {
-        private Database _db;
+        private IDatabase _db;
         private LoggerCleanService _cleanService;
-        public ServerConfig(LoggerCleanService cleanService, Database db)
+        public ServerConfig(LoggerCleanService cleanService, IDatabase db)
         {
             _cleanService = cleanService;
             _db = db;

PluralKit.Bot/Commands/SystemEdit.cs

@@ -18,10 +18,10 @@ namespace PluralKit.Bot
     public class SystemEdit
     {
         private IDataStore _data;
-        private Database _db;
+        private IDatabase _db;
         private EmbedService _embeds;
 
-        public SystemEdit(IDataStore data, EmbedService embeds, Database db)
+        public SystemEdit(IDataStore data, EmbedService embeds, IDatabase db)
         {
             _data = data;
             _embeds = embeds;

PluralKit.Bot/Commands/SystemList.cs

@@ -16,10 +16,10 @@ namespace PluralKit.Bot
     public class SystemList
     {
         private readonly IClock _clock;
-        private readonly Database _db;
+        private readonly IDatabase _db;
         private readonly ILogger _logger;
         
-        public SystemList(Database db, ILogger logger, IClock clock)
+        public SystemList(IDatabase db, ILogger logger, IClock clock)
         {
             _db = db;
             _logger = logger;

PluralKit.Bot/Handlers/MessageCreated.cs

@@ -22,12 +22,12 @@ namespace PluralKit.Bot
         private readonly IMetrics _metrics;
         private readonly ProxyService _proxy;
         private readonly ILifetimeScope _services;
-        private readonly Database _db;
+        private readonly IDatabase _db;
         private readonly IDataStore _data;
 
         public MessageCreated(LastMessageCacheService lastMessageCache, LoggerCleanService loggerClean,
                               IMetrics metrics, ProxyService proxy, DiscordShardedClient client,
-                              CommandTree tree, ILifetimeScope services, Database db, IDataStore data)
+                              CommandTree tree, ILifetimeScope services, IDatabase db, IDataStore data)
         {
             _lastMessageCache = lastMessageCache;
             _loggerClean = loggerClean;

PluralKit.Bot/Handlers/MessageEdited.cs

@@ -11,9 +11,9 @@ namespace PluralKit.Bot
     {
         private readonly LastMessageCacheService _lastMessageCache;
         private readonly ProxyService _proxy;
-        private readonly Database _db;
+        private readonly IDatabase _db;
 
-        public MessageEdited(LastMessageCacheService lastMessageCache, ProxyService proxy, Database db)
+        public MessageEdited(LastMessageCacheService lastMessageCache, ProxyService proxy, IDatabase db)
         {
             _lastMessageCache = lastMessageCache;
             _proxy = proxy;

PluralKit.Bot/Init.cs

@@ -21,7 +21,7 @@ namespace PluralKit.Bot
         {
             // Load configuration and run global init stuff
             var config = InitUtils.BuildConfiguration(args).Build();
-            Database.InitStatic();
+            InitUtils.InitStatic();
             
             // Set up DI container and modules
             var services = BuildContainer(config);

PluralKit.Bot/Proxy/ProxyService.cs

@@ -21,14 +21,14 @@ namespace PluralKit.Bot
         public static readonly TimeSpan MessageDeletionDelay = TimeSpan.FromMilliseconds(1000);
 
         private readonly LogChannelService _logChannel;
-        private readonly Database _db;
+        private readonly IDatabase _db;
         private readonly IDataStore _data;
         private readonly ILogger _logger;
         private readonly WebhookExecutorService _webhookExecutor;
         private readonly ProxyMatcher _matcher;
 
         public ProxyService(LogChannelService logChannel, IDataStore data, ILogger logger,
-                            WebhookExecutorService webhookExecutor, Database db, ProxyMatcher matcher)
+                            WebhookExecutorService webhookExecutor, IDatabase db, ProxyMatcher matcher)
         {
             _logChannel = logChannel;
             _data = data;

PluralKit.Bot/Services/EmbedService.cs

@@ -16,10 +16,10 @@ namespace PluralKit.Bot {
     public class EmbedService
     {
         private IDataStore _data;
-        private Database _db;
+        private IDatabase _db;
         private DiscordShardedClient _client;
 
-        public EmbedService(DiscordShardedClient client, IDataStore data, Database db)
+        public EmbedService(DiscordShardedClient client, IDataStore data, IDatabase db)
         {
             _client = client;
             _data = data;

PluralKit.Bot/Services/LogChannelService.cs

@@ -14,12 +14,12 @@ using Serilog;
 namespace PluralKit.Bot {
     public class LogChannelService {
         private readonly EmbedService _embed;
-        private readonly Database _db;
+        private readonly IDatabase _db;
         private readonly IDataStore _data;
         private readonly ILogger _logger;
         private readonly DiscordRestClient _rest;
 
-        public LogChannelService(EmbedService embed, ILogger logger, DiscordRestClient rest, Database db, IDataStore data)
+        public LogChannelService(EmbedService embed, ILogger logger, DiscordRestClient rest, IDatabase db, IDataStore data)
         {
             _embed = embed;
             _rest = rest;

PluralKit.Bot/Services/LoggerCleanService.cs

@@ -53,10 +53,10 @@ namespace PluralKit.Bot
             .Where(b => b.WebhookName != null)
             .ToDictionary(b => b.WebhookName);
 
-        private Database _db;
+        private IDatabase _db;
         private DiscordShardedClient _client;
         
-        public LoggerCleanService(Database db, DiscordShardedClient client)
+        public LoggerCleanService(IDatabase db, DiscordShardedClient client)
         {
             _db = db;
             _client = client;

PluralKit.Bot/Services/PeriodicStatCollector.cs

@@ -23,7 +23,7 @@ namespace PluralKit.Bot
         private IMetrics _metrics;
         private CpuStatService _cpu;
 
-        private Database _db;
+        private IDatabase _db;
 
         private WebhookCacheService _webhookCache;
 
@@ -31,7 +31,7 @@ namespace PluralKit.Bot
 
         private ILogger _logger;
 
-        public PeriodicStatCollector(DiscordShardedClient client, IMetrics metrics, ILogger logger, WebhookCacheService webhookCache, DbConnectionCountHolder countHolder, CpuStatService cpu, Database db)
+        public PeriodicStatCollector(DiscordShardedClient client, IMetrics metrics, ILogger logger, WebhookCacheService webhookCache, DbConnectionCountHolder countHolder, CpuStatService cpu, IDatabase db)
         {
             _client = client;
             _metrics = metrics;

PluralKit.Core/Database/Database.cs

@@ -14,7 +14,7 @@ using Serilog;
 
 namespace PluralKit.Core
 {
-    public class Database
+    internal class Database: IDatabase
     {
         private readonly CoreConfig _config;
         private readonly ILogger _logger;
@@ -65,18 +65,6 @@ namespace PluralKit.Core
             return conn;
         }
 
-        public async Task Execute(Func<IPKConnection, Task> func)
-        {
-            await using var conn = await Obtain();
-            await func(conn);
-        }
-        
-        public async Task<T> Execute<T>(Func<IPKConnection, Task<T>> func)
-        {
-            await using var conn = await Obtain();
-            return await func(conn);
-        }
-
         private class PassthroughTypeHandler<T>: SqlMapper.TypeHandler<T>
         {
             public override void SetValue(IDbDataParameter parameter, T value) => parameter.Value = value;

PluralKit.Core/Database/DatabaseExt.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Threading.Tasks;
+
+namespace PluralKit.Core
+{
+    public static class DatabaseExt
+    {
+        public static async Task Execute(this IDatabase db, Func<IPKConnection, Task> func)
+        {
+            await using var conn = await db.Obtain();
+            await func(conn);
+        }
+        
+        public static async Task<T> Execute<T>(this IDatabase db, Func<IPKConnection, Task<T>> func)
+        {
+            await using var conn = await db.Obtain();
+            return await func(conn);
+        }
+    }
+}

PluralKit.Core/Database/IDatabase.cs

@@ -0,0 +1,9 @@
+using System.Threading.Tasks;
+
+namespace PluralKit.Core
+{
+    public interface IDatabase
+    {
+        Task<IPKConnection> Obtain();
+    }
+}

PluralKit.Core/Database/Schemas.cs

@@ -16,10 +16,10 @@ namespace PluralKit.Core
         private const string RootPath = "PluralKit.Core.Database"; // "resource path" root for SQL files
         private const int TargetSchemaVersion = 7;
 
-        private Database _conn;
+        private IDatabase _conn;
         private ILogger _logger;
 
-        public Schemas(Database conn, ILogger logger)
+        public Schemas(IDatabase conn, ILogger logger)
         {
             _conn = conn;
             _logger = logger.ForContext<Schemas>();

PluralKit.Core/Database/Wrappers/PKCommand.cs

@@ -15,9 +15,9 @@ using Serilog;
 
 namespace PluralKit.Core
 {
-    public class PKCommand: DbCommand, IPKCommand
+    internal class PKCommand: DbCommand, IPKCommand
     {
-        public NpgsqlCommand Inner { get; }
+        private NpgsqlCommand Inner { get; }
         
         private readonly PKConnection _ourConnection;
         private readonly ILogger _logger;

PluralKit.Core/Database/Wrappers/PKConnection.cs

@@ -15,7 +15,7 @@ using Serilog;
 
 namespace PluralKit.Core
 {
-    public class PKConnection: DbConnection, IPKConnection
+    internal class PKConnection: DbConnection, IPKConnection
     {
         public NpgsqlConnection Inner { get; }
         public Guid ConnectionId { get; }

PluralKit.Core/Database/Wrappers/PKTransaction.cs

@@ -8,7 +8,7 @@ using Npgsql;
 
 namespace PluralKit.Core
 {
-    public class PKTransaction: DbTransaction, IPKTransaction
+    internal class PKTransaction: DbTransaction, IPKTransaction
     {
         public NpgsqlTransaction Inner { get; }
         

PluralKit.Core/Services/DataFileService.cs

@@ -15,10 +15,10 @@ namespace PluralKit.Core
     public class DataFileService
     {
         private IDataStore _data;
-        private Database _db;
+        private IDatabase _db;
         private ILogger _logger;
 
-        public DataFileService(ILogger logger, IDataStore data, Database db)
+        public DataFileService(ILogger logger, IDataStore data, IDatabase db)
         {
             _data = data;
             _db = db;

PluralKit.Core/Services/PostgresDataStore.cs

@@ -10,10 +10,10 @@ using Serilog;
 
 namespace PluralKit.Core {
     public class PostgresDataStore: IDataStore {
-        private Database _conn;
+        private IDatabase _conn;
         private ILogger _logger;
 
-        public PostgresDataStore(Database conn, ILogger logger)
+        public PostgresDataStore(IDatabase conn, ILogger logger)
         {
             _conn = conn;
             _logger = logger;

PluralKit.Core/Utils/ConnectionUtils.cs

@@ -7,7 +7,7 @@ using Dapper;
 namespace PluralKit.Core {
     public static class ConnectionUtils
     {
-        public static async IAsyncEnumerable<T> QueryStreamAsync<T>(this Database connFactory, string sql, object param)
+        public static async IAsyncEnumerable<T> QueryStreamAsync<T>(this IDatabase connFactory, string sql, object param)
         {
             await using var conn = await connFactory.Obtain();
             

PluralKit.Core/Utils/InitUtils.cs

@@ -10,6 +10,11 @@ using NodaTime.Serialization.JsonNet;
 namespace PluralKit.Core {
     public static class InitUtils
     {
+        public static void InitStatic()
+        {
+            Database.InitStatic();
+        }
+        
         public static IConfigurationBuilder BuildConfiguration(string[] args) => new ConfigurationBuilder()
             .SetBasePath(Directory.GetCurrentDirectory())
             .AddJsonFile("pluralkit.conf", true)