initial commit
This commit is contained in:
Pirmin Hinderling (fedora)
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from django.core.validators import FileExtensionValidator
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from django.db import models
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from django.urls import reverse
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from django.utils.text import slugify
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EVIDENCE_FILE_EXTENSIONS = ['jpg', 'jpeg', 'png', 'gif', 'webp', 'svg', 'pdf']
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IMAGE_EXTENSIONS = {'jpg', 'jpeg', 'png', 'gif', 'webp', 'svg'}
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class Tag(models.Model):
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name = models.CharField('Name', max_length=100, unique=True)
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slug = models.SlugField('Slug', max_length=120, unique=True, blank=True)
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class Meta:
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verbose_name = 'Schlagwort'
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verbose_name_plural = 'Schlagwörter'
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ordering = ['name']
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def __str__(self):
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return self.name
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def save(self, *args, **kwargs):
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if not self.slug:
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self.slug = slugify(self.name)
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super().save(*args, **kwargs)
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class Category(models.Model):
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name = models.CharField('Name', max_length=200)
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slug = models.SlugField('Slug', max_length=220, unique=True, blank=True)
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description = models.TextField('Beschreibung')
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icon = models.CharField(
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'Icon (Bootstrap Icons Klasse)',
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max_length=50,
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blank=True,
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help_text='z. B. bi-thermometer-half',
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)
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created_at = models.DateTimeField('Erstellt am', auto_now_add=True)
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class Meta:
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verbose_name = 'Kategorie'
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verbose_name_plural = 'Kategorien'
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ordering = ['name']
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def __str__(self):
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return self.name
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def save(self, *args, **kwargs):
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if not self.slug:
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self.slug = slugify(self.name)
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super().save(*args, **kwargs)
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def get_absolute_url(self):
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return reverse('claims:category_detail', kwargs={'slug': self.slug})
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@property
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def claim_count(self):
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return self.claims.count()
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class Claim(models.Model):
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class Status(models.TextChoices):
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FALSCH = 'falsch', 'Falsch'
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IRREFUEHREND = 'irrefuehrend', 'Irreführend'
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TEILWEISE_RICHTIG = 'teilweise_richtig', 'Teilweise richtig'
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UNBELEGT = 'unbelegt', 'Unbelegt'
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WISSENSCHAFTLICHER_KONSENS = 'wissenschaftlicher_konsens', 'Wissenschaftlicher Konsens'
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OFFENE_FRAGE = 'offene_frage', 'Offene Frage'
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class EvidenceLevel(models.TextChoices):
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SEHR_STARK = 'sehr_stark', 'Sehr stark'
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STARK = 'stark', 'Stark'
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MITTEL = 'mittel', 'Mittel'
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SCHWACH = 'schwach', 'Schwach'
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category = models.ForeignKey(
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Category,
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on_delete=models.CASCADE,
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related_name='claims',
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verbose_name='Kategorie',
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)
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title = models.CharField('Titel (Behauptung)', max_length=300)
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slug = models.SlugField('Slug', max_length=320, unique=True, blank=True)
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status = models.CharField(
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'Status',
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max_length=40,
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choices=Status.choices,
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default=Status.UNBELEGT,
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)
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short_answer = models.TextField('Kurzantwort')
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detailed_explanation = models.TextField('Ausführliche Erklärung', blank=True)
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evidence_level = models.CharField(
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'Evidenzlevel',
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max_length=20,
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choices=EvidenceLevel.choices,
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default=EvidenceLevel.MITTEL,
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)
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tags = models.ManyToManyField(Tag, blank=True, verbose_name='Schlagwörter')
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created_at = models.DateTimeField('Erstellt am', auto_now_add=True)
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updated_at = models.DateTimeField('Aktualisiert am', auto_now=True)
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class Meta:
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verbose_name = 'Behauptung'
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verbose_name_plural = 'Behauptungen'
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ordering = ['-updated_at']
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def __str__(self):
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return self.title
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def save(self, *args, **kwargs):
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if not self.slug:
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base_slug = slugify(self.title)
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slug = base_slug
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counter = 1
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while Claim.objects.filter(slug=slug).exclude(pk=self.pk).exists():
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slug = f'{base_slug}-{counter}'
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counter += 1
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self.slug = slug
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super().save(*args, **kwargs)
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def get_absolute_url(self):
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return reverse('claims:claim_detail', kwargs={'slug': self.slug})
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def get_status_badge_class(self):
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mapping = {
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self.Status.FALSCH: 'danger',
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self.Status.IRREFUEHREND: 'warning',
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self.Status.TEILWEISE_RICHTIG: 'info',
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self.Status.UNBELEGT: 'secondary',
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self.Status.WISSENSCHAFTLICHER_KONSENS: 'success',
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self.Status.OFFENE_FRAGE: 'primary',
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}
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return mapping.get(self.status, 'secondary')
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def get_evidence_badge_class(self):
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mapping = {
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self.EvidenceLevel.SEHR_STARK: 'success',
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self.EvidenceLevel.STARK: 'primary',
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self.EvidenceLevel.MITTEL: 'info',
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self.EvidenceLevel.SCHWACH: 'warning',
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}
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return mapping.get(self.evidence_level, 'secondary')
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def evidence_upload_path(instance, filename):
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return f'evidence/{instance.claim.slug}/{filename}'
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class EvidenceFile(models.Model):
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claim = models.ForeignKey(
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Claim,
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on_delete=models.CASCADE,
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related_name='evidence_files',
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verbose_name='Behauptung',
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)
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title = models.CharField('Titel', max_length=200, blank=True)
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file = models.FileField(
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'Datei',
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upload_to=evidence_upload_path,
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validators=[FileExtensionValidator(allowed_extensions=EVIDENCE_FILE_EXTENSIONS)],
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help_text='Bilder (JPG, PNG, GIF, WebP, SVG) oder PDF',
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)
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caption = models.CharField('Bildunterschrift', max_length=500, blank=True)
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order = models.PositiveSmallIntegerField('Reihenfolge', default=0)
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created_at = models.DateTimeField('Hochgeladen am', auto_now_add=True)
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class Meta:
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verbose_name = 'Nachweis'
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verbose_name_plural = 'Nachweise'
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ordering = ['order', 'id']
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def __str__(self):
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return self.display_title
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@property
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def display_title(self):
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if self.title:
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return self.title
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return self.file.name.rsplit('/', 1)[-1]
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@property
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def file_extension(self):
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return self.file.name.rsplit('.', 1)[-1].lower()
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@property
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def is_image(self):
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return self.file_extension in IMAGE_EXTENSIONS
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@property
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def is_pdf(self):
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return self.file_extension == 'pdf'
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class Source(models.Model):
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claim = models.ForeignKey(
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Claim,
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on_delete=models.CASCADE,
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related_name='sources',
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verbose_name='Behauptung',
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)
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title = models.CharField('Titel', max_length=300)
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organization = models.CharField('Autor/Organisation', max_length=200)
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url = models.URLField('Link', max_length=500)
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description = models.TextField('Beschreibung', blank=True)
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class Meta:
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verbose_name = 'Quelle'
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verbose_name_plural = 'Quellen'
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ordering = ['id']
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def __str__(self):
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return self.title
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class CounterArgument(models.Model):
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claim = models.ForeignKey(
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Claim,
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on_delete=models.CASCADE,
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related_name='counter_arguments',
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verbose_name='Behauptung',
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)
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argument = models.TextField('Gegenargument')
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response = models.TextField('Antwort')
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class Meta:
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verbose_name = 'Gegenargument'
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verbose_name_plural = 'Gegenargumente'
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ordering = ['id']
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def __str__(self):
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return self.argument[:80]
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