using SQLib.Sqlite; using System; using System.Collections.Generic; using System.IO; using System.Linq; namespace PortProxyGUI.Data { public class ApplicationDbScope : SqliteScope<ApplicationDbScope> { public static readonly string DbDirectory = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), "PortProxyGUI"); public static readonly string DbFile = Path.Combine(DbDirectory, "config.db"); private static readonly string ConnectionString = $"Data Source={DbFile}"; public static ApplicationDbScope UseDefault() => new ApplicationDbScope(ConnectionString); public ApplicationDbScope(string connectionString) : base(connectionString) { } public override void Initialize() { if (!Directory.Exists(DbDirectory)) Directory.CreateDirectory(DbDirectory); if (!File.Exists(DbFile)) { #if NET35 || NET45 System.Data.SQLite.SQLiteConnection.CreateFile(DbFile); #endif } } public void Migrate() => new ApplicationDbMigrationUtil(this).MigrateToLast(); public IEnumerable<Rule> Rules => SqlQuery<Rule>($"SELECT * FROM Rules;"); public Rule GetRule(string type, string listenOn, int listenPort) { return SqlQuery<Rule>($"SELECT * FROM Rules WHERE Type={type} AND ListenOn={listenOn} AND ListenPort={listenPort} LIMIT 1;").FirstOrDefault(); } public void Add<T>(T obj) where T : class { var newid = Guid.NewGuid().ToString(); if (obj is Rule rule) Sql($"INSERT INTO Rules (Id, Type, ListenOn, ListenPort, ConnectTo, ConnectPort, Comment, `Group`) VALUES ({newid}, {rule.Type}, {rule.ListenOn}, {rule.ListenPort}, {rule.ConnectTo}, {rule.ConnectPort}, {rule.Comment ?? ""}, {rule.Group ?? ""});"); else throw new NotSupportedException($"Adding {obj.GetType().FullName} is not supported."); } public void AddRange<T>(IEnumerable<T> objs) where T : class { foreach (var obj in objs) Add(obj); } public void Update<T>(T obj) where T : class { if (obj is Rule rule) Sql($"UPDATE Rules SET Type={rule.Type}, ListenOn={rule.ListenOn}, ListenPort={rule.ListenPort}, ConnectTo={rule.ConnectTo}, ConnectPort={rule.ConnectPort} WHERE Id={rule.Id};"); else throw new NotSupportedException($"Updating {obj.GetType().FullName} is not supported."); } public void UpdateRange<T>(IEnumerable<T> objs) where T : class { foreach (var obj in objs) Update(obj); } public void Remove<T>(T obj) where T : class { if (obj is Rule rule) Sql($"DELETE FROM Rules WHERE Id={rule.Id};"); else throw new NotSupportedException($"Removing {obj.GetType().FullName} is not supported."); } public void RemoveRange<T>(IEnumerable<T> objs) where T : class { foreach (var obj in objs) Remove(obj); } } }