59 lines
2.7 KiB
Python
59 lines
2.7 KiB
Python
from django.db import models
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from django.contrib.auth.models import User
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import os
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from tinymce import models as tinymce_models
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from model_utils import Choices
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import qrcode
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from io import BytesIO
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from django.core.files import File
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from PIL import Image, ImageDraw
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from universidad.models import carrera
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# Create your models here.
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class perfil(models.Model):
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TIPO = Choices('Estudiante', 'Docente', 'Administrativo', 'Visitante')
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GENERO = Choices('M', 'F')
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GRU = Choices('A','B','C','D')
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CUATRI = Choices('0','1','2','3','4','5','6','7','8','9','10')
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usuario = models.ForeignKey(User, on_delete=models.CASCADE, null=True, blank=True)
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matricula = models.CharField(max_length=50, unique=True, null=False, blank=False, verbose_name='Matricula ó CURP')
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cuatrimestre = models.CharField(choices=CUATRI, default=0, max_length=2, verbose_name='Cuatrimestre')
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grupo = models.CharField(choices=GRU, default=GRU.A, max_length=1, verbose_name='Grupo')
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direccion = models.CharField(max_length=250, null=True, blank=True, verbose_name='Domicilio')
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genero = models.CharField(choices=GENERO, default=GENERO.M, max_length=1, verbose_name='Genero')
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telefono = models.CharField(max_length=15, null=True, blank=True, verbose_name='Telefono')
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tipo = models.CharField(choices=TIPO, default=TIPO.Estudiante, max_length=20, verbose_name='Tipo')
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id_carrera = models.ForeignKey(carrera, on_delete=models.CASCADE, null=False, blank=False, verbose_name='Carrera')
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foto = models.ImageField(upload_to='foto/', blank=True)
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qr = models.ImageField(upload_to='qr/', blank=True)
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fecha_alta = models.DateField(auto_now_add=True, verbose_name='Fecha alta')
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fecha_actualizacion = models.DateField(auto_now=True, verbose_name='Fecha de Actualización')
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key = models.CharField(max_length=250, null=True, blank=True, verbose_name='Key')
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def delete(self, *args, **kwargs):
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if os.path.isfile(self.foto.path):
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os.remove(self.foto.path)
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super(perfil, self).delete(*args, **kwargs)
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def __str__(self):
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return self.matricula
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def save(self, *args, **kwargs):
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data = self.key
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key = ''.join(ch for ch in data if ch.isalnum())
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qr_image = qrcode.make(key)
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qr_offset = Image.new('RGB',(480, 480),'white')
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qr_offset.paste(qr_image)
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files_name = f'{self.matricula}qr.png'
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stream = BytesIO()
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qr_offset.save(stream, 'PNG')
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self.qr.save(files_name, File(stream), save=False)
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qr_offset.close()
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super().save(*args, **kwargs)
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class Meta:
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verbose_name = 'perfil'
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verbose_name_plural = 'perfiles'
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ordering = ['matricula'] |