FCC/Applications/ATG_Classic_App/IDbContextProvider.cs

using Application.ATG_Classic_App;
using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Text;

namespace Application.ATG_Classic_App
{
    public interface IDbContextFactory : IDisposable
    {
        void AddProvider(IDbContextProvider provider);
        T CreateDbContext<T>() where T : DbContext;
    }

    public interface IDbContextProvider : IDisposable
    {
        T CreateDbContext<T>() where T : DbContext;
    }

    public class DefaultDbContextFactory : IDbContextFactory
    {
        private IDbContextProvider provider;
        public void AddProvider(IDbContextProvider provider)
        {
            this.provider = provider;
        }

        public T CreateDbContext<T>() where T : DbContext
        {
            return this.provider.CreateDbContext<T>();
        }

        public void Dispose()
        {
            //throw new NotImplementedException();
        }
    }

    public class ClassicAtgDbContextProvider : IDbContextProvider
    {
        /// <summary>
        /// 
        /// </summary>
        /// <param name="options">leave null to create Sqlite database</param>
        /// <returns></returns>
        public T CreateDbContext<T>() where T : DbContext
        {
            var options = new DbContextOptionsBuilder<AppDbContext>()
                         .UseSqlite("Data Source=Application.ATG_Classic_App_database.db")
                         .Options;
            return new AppDbContext(options) as T;
        }

        public void Dispose()
        {
            //throw new NotImplementedException();
        }
    }
}