110 lines
3.5 KiB
Python
110 lines
3.5 KiB
Python
from django.core.validators import FileExtensionValidator
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from django.db import models
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from django.forms import ValidationError
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from .mails import send_mail_approved, send_mail_rejected
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from .validators import PhoneNumberValidator
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class RentalItem(models.Model):
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name = models.CharField(verbose_name="Name", max_length=128)
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description = models.CharField(
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verbose_name="Beschreibung", max_length=128, blank=True, default=""
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)
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deposit = models.DecimalField(
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verbose_name="Kaution (EUR)", max_digits=6, decimal_places=2, default=0
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)
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image = models.ImageField(verbose_name="Bild", upload_to="rentalitems", blank=True, null=True)
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induction = models.BooleanField(verbose_name="Einschulung notwendig", default=False)
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location = models.CharField(verbose_name="Standort", max_length=128, blank=True, default="")
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class Meta:
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verbose_name = "Verleihgegenstand"
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verbose_name_plural = "Verleihgegenstände"
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def __str__(self):
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return self.name
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class Rental(models.Model):
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firstname = models.CharField(max_length=128, verbose_name="Vorname")
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surname = models.CharField(max_length=128, verbose_name="Nachname")
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matriculation_number = models.CharField(verbose_name="Matrikelnummer", max_length=8)
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email = models.EmailField(verbose_name="E-Mail")
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phone = models.CharField(
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verbose_name="Telefonnummer", max_length=32, validators=[PhoneNumberValidator()]
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)
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organization = models.CharField(verbose_name="Organisation", max_length=128)
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date_start = models.DateField(verbose_name="Abholdatum")
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date_end = models.DateField(verbose_name="Rückgabedatum")
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reason = models.TextField(verbose_name="Grund der Ausleihe", max_length=500)
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comment = models.TextField(verbose_name="Kommentar", max_length=500, blank=True, default="")
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file_field = models.FileField(
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upload_to="uploads/rental/rental/",
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validators=[FileExtensionValidator(["pdf"])],
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blank=True,
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null=True,
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verbose_name="Verleihformular",
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)
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class Status(models.TextChoices):
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SUBMITTED = "S", "Eingereicht"
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APPROVED = "A", "Verleih genehmigt"
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REJECTED = "J", "Verleih abgelehnt"
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ISSUED = "I", "Verleihgegenstände ausgegeben"
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RETURNED = "R", "Verleihgegenstände zurückgegeben"
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status = models.CharField(
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verbose_name="Status",
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max_length=1,
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choices=Status.choices,
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default=Status.SUBMITTED,
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)
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rentalitems = models.ManyToManyField(
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RentalItem,
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verbose_name="Verleihgegenstände",
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)
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class Meta:
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verbose_name = "Verleih"
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verbose_name_plural = "Verleih"
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def __str__(self):
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return f"Verleih #{self.id}: {self.firstname} {self.surname}"
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def save(self, *args, **kwargs):
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pre_obj = Rental.objects.filter(pk=self.pk).first()
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super().save(*args, **kwargs)
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if (
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pre_obj
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and pre_obj.status != self.Status.APPROVED
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and self.status == self.Status.APPROVED
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):
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send_mail_approved(self)
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elif (
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pre_obj
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and pre_obj.status != self.Status.REJECTED
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and self.status == self.Status.REJECTED
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):
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send_mail_rejected(self)
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def clean(self):
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if not self.date_end:
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self.date_end = self.date_start
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if self.date_start > self.date_end:
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raise ValidationError("Das Abholdatum muss vor dem Rückgabedatum liegen.")
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