PortProxyGUI/PortProxyGUI.Shared/Data/ApplicationDbScope.cs

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2021-03-10 01:12:07 +08:00
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>($"SELECT * FROM Rules WHERE Type={type} AND ListenOn={listenOn} AND ListenPort={listenPort} LIMIT 1;").FirstOrDefault();
}
public void Add<T>(T obj) where T : class
{
var newid = Guid.NewGuid().ToString();
switch (obj)
{
case Rule rule:
Sql($"INSERT INTO Rules (Id, Type, ListenOn, ListenPort, ConnectTo, ConnectPort) VALUES ({newid}, {rule.Type}, {rule.ListenOn}, {rule.ListenPort}, {rule.ConnectTo}, {rule.ConnectPort});");
break;
}
}
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
{
switch (obj)
{
case Rule rule:
Sql($"UPDATE Rules SET Type={rule.Type}, ListenOn={rule.ListenOn}, ListenPort={rule.ListenPort}, ConnectTo={rule.ConnectTo}, ConnectPort={rule.ConnectPort} WHERE Id={rule.Id};");
break;
}
}
public void UpdateRange<T>(IEnumerable<T> objs) where T : class
{
foreach (var obj in objs) Update(obj);
}
public void Remove<T>(T obj) where T : class
{
switch (obj)
{
case Rule rule:
Sql($"DELETE FROM Rules WHERE Id={rule.Id};");
break;
}
}
public void RemoveRange<T>(IEnumerable<T> objs) where T : class
{
foreach (var obj in objs) Remove(obj);
}
}
}