Seekers/Helpers/DatabaseHelper.cs

using SQLite;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq.Expressions;
using System.Threading.Tasks;

namespace Justice.Helpers
{
    public class DatabaseHelper
    {
        private readonly SQLiteAsyncConnection _database;

        public DatabaseHelper(string databaseName = "JusticeAppDatabase.db")
        {
            var dbPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), databaseName);
            _database = new SQLiteAsyncConnection(dbPath);
        }

        public async Task InitializeAsync<T>() where T : class, new()
        {
            await _database.CreateTableAsync<T>();
        }

        public async Task<int> InsertAsync<T>(T item) where T : class, new()
        {
            return await _database.InsertAsync(item);
        }

        public async Task<List<T>> GetAllAsync<T>() where T : class, new()
        {
            return await _database.Table<T>().ToListAsync();
        }

        public async Task<int> DeleteAsync<T>(T item) where T : class, new()
        {
            return await _database.DeleteAsync(item);
        }
    }
}