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vergabe-teilnahme/vergabe_teilnahme/apps/core/models.py
2026-05-08 14:26:48 +02:00

107 lines
3.7 KiB
Python

from django.conf import settings
from django.contrib.contenttypes.fields import GenericForeignKey, GenericRelation
from django.contrib.contenttypes.models import ContentType
from django.db import models
class EntityFieldConfig(models.Model):
entity_type = models.CharField(max_length=100)
field_name = models.CharField(max_length=100)
is_hidden = models.BooleanField(default=False)
display_label = models.CharField(max_length=200, blank=True)
sort_order = models.PositiveSmallIntegerField(default=0)
class Meta:
unique_together = ('entity_type', 'field_name')
verbose_name = 'Feldkonfiguration'
verbose_name_plural = 'Feldkonfigurationen'
def __str__(self):
return f'{self.entity_type}.{self.field_name}'
class CustomAttribute(models.Model):
DATA_TYPE_CHOICES = [
('text', 'Text'),
('number', 'Zahl'),
('date', 'Datum'),
('boolean', 'Ja/Nein'),
('url', 'URL'),
('email', 'E-Mail'),
]
content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
object_id = models.PositiveIntegerField()
content_object = GenericForeignKey('content_type', 'object_id')
key = models.CharField(max_length=100)
label = models.CharField(max_length=200)
value = models.TextField(blank=True)
data_type = models.CharField(max_length=20, choices=DATA_TYPE_CHOICES, default='text')
sort_order = models.PositiveSmallIntegerField(default=0)
created_at = models.DateTimeField(auto_now_add=True)
class Meta:
ordering = ['sort_order', 'created_at']
indexes = [models.Index(fields=['content_type', 'object_id'])]
def __str__(self):
return f'{self.label}: {self.value}'
class Freigabe(models.Model):
TYP_CHOICES = [
('teilnahme', 'Teilnahme-Freigabe'),
('ablehnung', 'Ablehnungs-Freigabe'),
('recht', 'Rechtliche Freigabe'),
('preis', 'Preis-Freigabe'),
('abgabe', 'Abgabe-Freigabe'),
('standarddokument', 'Standarddokument-Freigabe'),
('referenz', 'Referenz-Freigabe'),
]
STATUS_CHOICES = [
('erteilt', 'Erteilt'),
('abgelehnt', 'Abgelehnt'),
('ausstehend', 'Ausstehend'),
]
content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
object_id = models.PositiveIntegerField()
content_object = GenericForeignKey('content_type', 'object_id')
freigabe_typ = models.CharField(max_length=30, choices=TYP_CHOICES)
freigebende_person = models.ForeignKey(
settings.AUTH_USER_MODEL, on_delete=models.PROTECT, related_name='erteilte_freigaben'
)
status = models.CharField(max_length=20, choices=STATUS_CHOICES, default='erteilt')
kommentar = models.TextField(blank=True)
timestamp = models.DateTimeField(auto_now_add=True)
class Meta:
ordering = ['-timestamp']
verbose_name = 'Freigabe'
verbose_name_plural = 'Freigaben'
def __str__(self):
return f'{self.get_freigabe_typ_display()}{self.status}'
class FlexibleModel(models.Model):
custom_attributes = GenericRelation(CustomAttribute)
freigaben = GenericRelation(Freigabe)
def get_hidden_fields(self):
model_name = self._meta.model_name
return set(
EntityFieldConfig.objects.filter(
entity_type=model_name, is_hidden=True
).values_list('field_name', flat=True)
)
def get_visible_field_names(self):
hidden = self.get_hidden_fields()
return [
f.name
for f in self._meta.get_fields()
if hasattr(f, 'column') and not f.name.startswith('_') and f.name not in hidden
]
class Meta:
abstract = True