88 lines
2.9 KiB
C#
88 lines
2.9 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Data.SQLite;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using compabetov2.database;
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namespace compabetov2.database
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{
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internal class DAO
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{
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public static bool iniciarSesionDAO(String usuario, String contra)
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{
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var db_conexion = new Conexion();
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try{
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SQLiteConnection conexion = db_conexion.get_connection();
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conexion.Open();
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string sql = "SELECT usuario, contra FROM Login WHERE usuario = @param0";
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SQLiteCommand command = new SQLiteCommand(sql, conexion);
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command.Parameters.AddWithValue($"@param{0}", usuario);
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SQLiteDataReader reader = command.ExecuteReader();
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if (reader.HasRows)
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{
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while (reader.Read())
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{
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if (reader["contra"].Equals(contra))
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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return false;
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}
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else
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{
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MessageBox.Show("Usuario o contraseña incorrectos");
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return false;
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}
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}
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catch(SQLiteException ex)
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{
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MessageBox.Show(ex.Message);
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return false;
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}
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}
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public static void crearDB()
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{
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var db_conexion = new Conexion();
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try
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{
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SQLiteConnection conexion = db_conexion.get_connection();
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conexion.Open();
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string[] consultas = new string[]
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{
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"DROP TABLE IF EXISTS Empleado",
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"DROP TABLE IF EXISTS Login",
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"CREATE TABLE Empleado (idempleado INTEGER PRIMARY KEY AUTOINCREMENT, nombre TEXT, "+
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"apellido TEXT, calle TEXT, fecha_contratacion TEXT, colonia TEXT, cp TEXT, no_ext TEXT" +
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"no_int TEXT, referencia TEXT, fecha_nac TEXT, telefono TEXT, activo INTEGER)",
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"CREATE TABLE Login (idlogin INTEGER PRIMARY KEY AUTOINCREMENT, tipo TEXT, usuario TEXT, "+
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"contra TEXT, fk_idempleado INTEGER, FOREIGN KEY (fk_idempleado) REFERENCES Empleado (idempleado))"
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};
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foreach (string consulta in consultas)
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{
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using (var comando = new SQLiteCommand(consulta, conexion))
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{
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comando.ExecuteNonQuery();
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}
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}
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}catch(Exception ex){
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MessageBox.Show(ex.Message);
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}
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}
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}
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}
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