Initial commit.

Wino.Core/Services/DatabaseService.cs

@@ -0,0 +1,69 @@
+using System;
+using System.IO;
+using System.Threading.Tasks;
+using SQLite;
+using Wino.Core.Domain.Entities;
+using Wino.Core.Domain.Interfaces;
+
+namespace Wino.Core.Services
+{
+    public interface IDatabaseService : IInitializeAsync
+    {
+        SQLiteAsyncConnection Connection { get; }
+    }
+
+    public class DatabaseService : IDatabaseService
+    {
+        private string DatabaseName => "Wino.db";
+
+        private bool _isInitialized = false;
+        private readonly IAppInitializerService _appInitializerService;
+
+        public SQLiteAsyncConnection Connection { get; private set; }
+
+        public DatabaseService(IAppInitializerService appInitializerService)
+        {
+            _appInitializerService = appInitializerService;
+        }
+
+        public async Task InitializeAsync()
+        {
+            if (_isInitialized)
+                return;
+
+            var applicationData = _appInitializerService.GetApplicationDataFolder();
+            var databaseFileName = Path.Combine(applicationData, DatabaseName);
+
+            Connection = new SQLiteAsyncConnection(databaseFileName)
+            {
+                // Enable for debugging sqlite.
+                Trace = true,
+                Tracer = new Action<string>((t) =>
+                {
+                    // Debug.WriteLine(t);
+                    // Log.Debug(t);
+                })
+            };
+
+
+            await CreateTablesAsync();
+
+            _isInitialized = true;
+        }
+
+        private async Task CreateTablesAsync()
+        {
+            await Connection.CreateTablesAsync(CreateFlags.None,
+                typeof(MailCopy),
+                typeof(MailItemFolder),
+                typeof(MailAccount),
+                typeof(TokenInformation),
+                typeof(AddressInformation),
+                typeof(CustomServerInformation),
+                typeof(AccountSignature),
+                typeof(MergedInbox),
+                typeof(MailAccountPreferences)
+                );
+        }
+    }
+}