/ControladorPrestamos.java Secret
Created
August 12, 2022 05:04
Star
You must be signed in to star a gist
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
class ControladorPrestamos { | |
private static final String NOMBRE_ARCHIVO = "prestamos.txt"; | |
private static final String SEPARADOR_CAMPO = ";"; | |
private static final String SEPARADOR_REGISTRO = "\n"; | |
public static void registrar(Prestamo prestamo) { | |
ControladorLibros.marcarComoPrestado(prestamo.getCodigoLibro()); | |
try { | |
BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(NOMBRE_ARCHIVO, true)); | |
bufferedWriter.write(prestamo.getCodigoLibro() + SEPARADOR_CAMPO + prestamo.getNumeroSocio() | |
+ SEPARADOR_CAMPO + prestamo.getFechaFormateada() + SEPARADOR_REGISTRO); | |
bufferedWriter.close(); | |
} catch (IOException e) { | |
System.out.println("Error escribiendo en archivo: " + e.getMessage()); | |
} | |
} | |
public static ArrayList<Prestamo> obtener() { | |
ArrayList<Prestamo> prestamos = new ArrayList<>(); | |
FileReader fileReader = null; | |
BufferedReader bufferedReader = null; | |
try { | |
fileReader = new FileReader(NOMBRE_ARCHIVO); | |
bufferedReader = new BufferedReader(fileReader); | |
String linea; | |
while ((linea = bufferedReader.readLine()) != null) { | |
String[] prestamoComoArreglo = linea.split(SEPARADOR_CAMPO); | |
prestamos.add(new Prestamo(prestamoComoArreglo[0], prestamoComoArreglo[1], | |
LocalDateTime.parse(prestamoComoArreglo[2], | |
new DateTimeFormatterBuilder().parseCaseInsensitive() | |
.append(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")).toFormatter()))); | |
} | |
} catch (IOException e) { | |
System.out.println("Excepción leyendo archivo: " + e.getMessage()); | |
} finally { | |
try { | |
if (fileReader != null) { | |
fileReader.close(); | |
} | |
if (bufferedReader != null) { | |
bufferedReader.close(); | |
} | |
} catch (IOException e) { | |
System.out.println("Excepción cerrando: " + e.getMessage()); | |
} | |
} | |
return prestamos; | |
} | |
public static int cantidadLibrosPrestados(String numeroSocio, ArrayList<Prestamo> prestamos) { | |
int cantidad = 0; | |
for (int x = 0; x < prestamos.size(); x++) { | |
Prestamo prestamo = prestamos.get(x); | |
if (prestamo.getNumeroSocio().equals(numeroSocio)) { | |
cantidad++; | |
} | |
} | |
return cantidad; | |
} | |
public static void imprimirPrestamos(ArrayList<Prestamo> prestamos) { | |
System.out | |
.println("+-----+------------------------------+------------------------------+--------------------+"); | |
System.out.printf("|%-5s|%-30s|%-30s|%-20s|\n", "No", "Codigo libro", "No. Socio", "Fecha"); | |
System.out | |
.println("+-----+------------------------------+------------------------------+--------------------+"); | |
for (int x = 0; x < prestamos.size(); x++) { | |
Prestamo prestamo = prestamos.get(x); | |
System.out.printf("|%-5d|%-30s|%-30s|%-20s|\n", x, prestamo.getCodigoLibro(), prestamo.getNumeroSocio(), | |
prestamo.getFechaFormateada()); | |
System.out.println( | |
"+-----+------------------------------+------------------------------+--------------------+"); | |
} | |
} | |
public static void solicitarDatosYCrearPrestamo() { | |
Libro libro = ControladorLibros.imprimirLibrosYPedirSeleccion(); | |
Socio socio = ControladorSocios.imprimirSociosYPedirSeleccion(); | |
ControladorPrestamos.registrar(new Prestamo(libro.getCodigo(), socio.getNumero(), LocalDateTime.now())); | |
System.out.println("Prestamo registrado correctamente"); | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment