Wino-Mail/Wino.Services/DatabaseService.cs

using System.IO;
using System.Threading.Tasks;
using SQLite;
using Wino.Core.Domain.Entities.Calendar;
using Wino.Core.Domain.Entities.Mail;
using Wino.Core.Domain.Entities.Shared;
using Wino.Core.Domain.Interfaces;

namespace Wino.Services;

public interface IDatabaseService : IInitializeAsync
{
    SQLiteAsyncConnection Connection { get; }
}

public class DatabaseService : IDatabaseService
{
    private const string DatabaseName = "Wino180.db";

    private bool _isInitialized = false;
    private readonly IApplicationConfiguration _folderConfiguration;

    public SQLiteAsyncConnection Connection { get; private set; }

    public DatabaseService(IApplicationConfiguration folderConfiguration)
    {
        _folderConfiguration = folderConfiguration;
    }

    public async Task InitializeAsync()
    {
        if (_isInitialized)
            return;

        var publisherCacheFolder = _folderConfiguration.PublisherSharedFolderPath;
        var databaseFileName = Path.Combine(publisherCacheFolder, DatabaseName);

        Connection = new SQLiteAsyncConnection(databaseFileName);

        await CreateTablesAsync();

        _isInitialized = true;
    }

    private async Task CreateTablesAsync()
    {
        await Connection.CreateTablesAsync(CreateFlags.None,
            typeof(MailCopy),
            typeof(MailItemFolder),
            typeof(MailAccount),
            typeof(AccountContact),
            typeof(CustomServerInformation),
            typeof(AccountSignature),
            typeof(MergedInbox),
            typeof(MailAccountPreferences),
            typeof(MailAccountAlias),
            typeof(AccountCalendar),
            typeof(CalendarEventAttendee),
            typeof(CalendarItem),
            typeof(Reminder)
            );
    }
}