DAO_Carrera

backend/src/main/java/mx/uv/Controller/DAO_Carrrera.java

@@ -0,0 +1,106 @@
+package mx.uv.Controller;
+
+import java.sql.*;
+import java.util.ArrayList;
+import java.util.List;
+
+
+import mx.uv.Model.Carrera;
+
+public class DAO_Carrrera{
+    private static Conexion cn = Conexion.getInstance();
+
+    public static List<Carrera> dameCarreras(){
+         Statement stm = null;
+        ResultSet rs = null;
+        Connection conn = null;
+        List<Carrera> resultado = new ArrayList<>();
+
+        conn = cn.conectar();
+
+         try {
+            String sql = "SELECT * from carrera";
+            stm = conn.createStatement();
+            rs = stm.executeQuery(sql);
+            while (rs.next()) {
+                Carrera u = new Carrera(rs.getInt(1), rs.getString(2), rs.getString(3),rs.getString(4), rs.getString(5),rs.getDouble(6));
+                resultado.add(u);
+            }
+        } catch (Exception e) {
+            System.out.println(e);
+        } finally {
+           cerrarConexiones(null, conn);
+        }
+        return resultado;
+
+    }
+
+    public static boolean agregarCarrera(Carrera carrera){
+        PreparedStatement stm = null;
+        Connection conn = null;
+        boolean msj= false;
+
+        conn = cn.conectar();
+
+        try{
+            String sql ="INSERT INTO `carrera` (`area`,`nombre`, `modalidad`, `campus`, `costo`) VALUES(?,?,?,?);";
+            stm = (PreparedStatement) conn.prepareStatement(sql);
+            stm.setString(1, carrera.getArea());
+            stm.setString(2, carrera.getNombre());
+            stm.setString(3, carrera.getModalidad());
+            stm.setString(4, carrera.getCampus());
+            stm.setDouble(5, carrera.getCosto());
+
+
+
+        }catch(Exception e) {
+            System.out.println(e);
+        } finally {
+            cerrarConexiones(stm,conn);
+        }
+        return msj;
+    }
+
+    private static void cerrarConexiones(PreparedStatement stm,Connection conn) {
+        if (stm != null) {
+            try {
+                stm.close();
+            } catch (Exception e) {
+                System.out.println(e);
+            }
+            stm = null;
+        }
+        try {
+            conn.close();
+            cn.cerrarConexion();
+        } catch (Exception e) {
+            System.out.println(e);
+        }
+    }
+
+    public static boolean eliminarCarrera(int idCarrera){
+        return false;
+    }
+
+    public static boolean editarCarrera(Carrera carrera){
+        PreparedStatement stm = null;
+        Connection conn = null;
+        boolean verificacion =false;
+        conn = cn.conectar();
+
+        try{
+            String sql ="UPDATE `alumno` SET `area` = '"+carrera.getArea()+"',`nombre` = '"+carrera.getNombre()+"',`modalidad` = '"+carrera.getModalidad()+"',`campus` = '"+carrera.getCampus()+"', `costo` = '"+carrera.getCosto()+"' WHERE `id` = '"+carrera.getId()+"';";
+                stm = conn.prepareStatement(sql);
+                stm.executeUpdate();
+                verificacion = true;
+        }catch (SQLException ex) {
+            System.err.println(ex);
+        }finally{
+            cerrarConexiones(stm, conn);
+            cn.cerrarConexion();
+        }
+    return verificacion;
+    }
+
+    
+}

backend/src/main/java/mx/uv/Model/Carrera.java

@@ -61,7 +61,7 @@ public class Carrera {
         return campus;
     }
     
-    public double getCarrera(){
+    public double getCosto(){
         return costo;
     }