update
This commit is contained in:
Iliyan Angelov
411
reports/models.py
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411
reports/models.py
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"""
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Scam and fraud report models.
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"""
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from django.db import models
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from django.contrib.auth import get_user_model
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from django.urls import reverse
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from django.utils.text import slugify
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from django.core.cache import cache
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from accounts.security import DataEncryption
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User = get_user_model()
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class SiteSettings(models.Model):
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"""
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Site-wide settings that can be managed from admin.
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Uses singleton pattern - only one instance should exist.
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"""
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contact_email = models.EmailField(
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default='support@fraudplatform.bg',
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help_text='Основен имейл за контакти и поддръжка'
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)
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contact_phone = models.CharField(
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max_length=50,
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blank=True,
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default='',
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help_text='Телефонен номер за контакти (незадължително)'
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)
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contact_address = models.CharField(
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max_length=200,
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blank=True,
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default='',
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help_text='Адрес за контакти (незадължително)'
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)
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# Email Server Settings
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email_backend = models.CharField(
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max_length=100,
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default='django.core.mail.backends.smtp.EmailBackend',
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choices=[
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('django.core.mail.backends.smtp.EmailBackend', 'SMTP'),
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('django.core.mail.backends.console.EmailBackend', 'Console (Development)'),
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('django.core.mail.backends.filebased.EmailBackend', 'File Based'),
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],
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help_text='Тип на имейл сървъра'
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)
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email_host = models.CharField(
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max_length=255,
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blank=True,
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default='',
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help_text='SMTP сървър (напр. smtp.gmail.com)'
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)
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email_port = models.IntegerField(
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default=587,
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help_text='SMTP порт (обикновено 587 за TLS или 465 за SSL)'
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)
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email_use_tls = models.BooleanField(
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default=True,
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help_text='Използване на TLS (за порт 587)'
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)
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email_use_ssl = models.BooleanField(
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default=False,
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help_text='Използване на SSL (за порт 465)'
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)
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email_host_user = models.CharField(
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max_length=255,
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blank=True,
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default='',
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help_text='SMTP потребителско име / имейл'
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)
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email_host_password = models.CharField(
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max_length=255,
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blank=True,
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default='',
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help_text='SMTP парола (ще бъде криптирана)'
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)
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default_from_email = models.EmailField(
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default='noreply@fraudplatform.bg',
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help_text='Имейл адрес по подразбиране за изпращане'
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)
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email_timeout = models.IntegerField(
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default=10,
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help_text='Таймаут за имейл връзка (секунди)'
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)
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updated_at = models.DateTimeField(auto_now=True)
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class Meta:
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verbose_name = 'Настройки на Сайта'
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verbose_name_plural = 'Настройки на Сайта'
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db_table = 'reports_sitesettings'
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def __str__(self):
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return 'Настройки на Сайта'
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def save(self, *args, **kwargs):
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# Ensure only one instance exists
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self.pk = 1
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# Encrypt email password if it's provided and not already encrypted
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if self.email_host_password:
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# Check if it's already encrypted by trying to decrypt it
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# If decryption succeeds, it's already encrypted, so keep original
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# If decryption fails, it's plain text, so encrypt it
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is_encrypted = False
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try:
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# Try to decrypt - if it succeeds, it's already encrypted
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DataEncryption.decrypt(self.email_host_password)
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is_encrypted = True
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except (Exception, ValueError, TypeError):
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# Decryption failed, so it's plain text
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is_encrypted = False
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# Only encrypt if it's not already encrypted
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if not is_encrypted:
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self.email_host_password = DataEncryption.encrypt(self.email_host_password)
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super().save(*args, **kwargs)
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# Clear cache when settings are updated
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cache.delete('site_settings')
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def get_email_password(self):
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"""Get decrypted email password."""
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if not self.email_host_password:
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return ''
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try:
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return DataEncryption.decrypt(self.email_host_password)
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except:
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# If decryption fails, return as-is (might be plain text from migration)
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return self.email_host_password
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def delete(self, *args, **kwargs):
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# Prevent deletion - settings should always exist
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pass
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@classmethod
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def get_settings(cls):
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"""Get site settings with caching."""
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settings = cache.get('site_settings')
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if settings is None:
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settings, created = cls.objects.get_or_create(pk=1)
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cache.set('site_settings', settings, 3600) # Cache for 1 hour
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return settings
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class ScamTag(models.Model):
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"""
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Tags for categorizing scam reports.
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"""
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name = models.CharField(max_length=100, unique=True)
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slug = models.SlugField(max_length=100, unique=True, blank=True)
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description = models.TextField(blank=True)
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color = models.CharField(
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max_length=7,
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default='#007bff',
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help_text='Hex color code for display'
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)
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created_at = models.DateTimeField(auto_now_add=True)
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class Meta:
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db_table = 'reports_scamtag'
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verbose_name = 'Scam Tag'
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verbose_name_plural = 'Scam Tags'
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ordering = ['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 __str__(self):
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return self.name
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class ScamReport(models.Model):
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"""
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Main scam/fraud report model.
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"""
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SCAM_TYPE_CHOICES = [
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('phishing', 'Phishing'),
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('fake_website', 'Fake Website'),
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('romance_scam', 'Romance Scam'),
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('investment_scam', 'Investment Scam'),
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('tech_support_scam', 'Tech Support Scam'),
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('identity_theft', 'Identity Theft'),
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('fake_product', 'Fake Product'),
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('advance_fee', 'Advance Fee Fraud'),
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('other', 'Other'),
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]
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STATUS_CHOICES = [
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('pending', 'Pending Review'),
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('under_review', 'Under Review'),
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('verified', 'Verified'),
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('rejected', 'Rejected'),
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('archived', 'Archived'),
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]
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# Reporter information
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reporter = models.ForeignKey(
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User,
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on_delete=models.SET_NULL,
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null=True,
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blank=True,
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related_name='reports'
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)
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is_anonymous = models.BooleanField(
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default=False,
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help_text='Report submitted anonymously'
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)
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# Report details
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title = models.CharField(max_length=200)
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description = models.TextField()
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scam_type = models.CharField(
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max_length=50,
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choices=SCAM_TYPE_CHOICES,
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default='other'
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)
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# Reported entities
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reported_url = models.URLField(blank=True, null=True, max_length=500)
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reported_email = models.EmailField(blank=True, null=True)
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reported_phone = models.CharField(max_length=20, blank=True, null=True)
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reported_company = models.CharField(max_length=200, blank=True, null=True)
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# Evidence
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evidence_files = models.JSONField(
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default=list,
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blank=True,
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help_text='List of file paths for evidence'
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)
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# Status and verification
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status = models.CharField(
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max_length=20,
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choices=STATUS_CHOICES,
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default='pending'
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)
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verification_score = models.IntegerField(
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default=0,
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help_text='OSINT verification confidence score (0-100)'
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)
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# Visibility
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is_public = models.BooleanField(
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default=True,
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help_text='Visible in public database'
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)
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is_auto_discovered = models.BooleanField(
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default=False,
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help_text='Automatically discovered by OSINT system'
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)
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# Metadata
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tags = models.ManyToManyField(ScamTag, blank=True, related_name='reports')
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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verified_at = models.DateTimeField(null=True, blank=True)
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# IP tracking for anonymous reports
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reporter_ip = models.GenericIPAddressField(null=True, blank=True)
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class Meta:
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db_table = 'reports_scamreport'
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verbose_name = 'Scam Report'
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verbose_name_plural = 'Scam Reports'
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ordering = ['-created_at']
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indexes = [
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models.Index(fields=['status', 'created_at']),
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models.Index(fields=['scam_type', 'status']),
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models.Index(fields=['reported_url']),
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models.Index(fields=['reported_email']),
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models.Index(fields=['reported_phone']),
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]
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def __str__(self):
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return f"{self.title} - {self.get_status_display()}"
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def get_absolute_url(self):
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return reverse('reports:detail', kwargs={'pk': self.pk})
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def get_reporter_display(self):
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if self.is_anonymous:
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return "Anonymous"
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return self.reporter.username if self.reporter else "Unknown"
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class ScamVerification(models.Model):
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"""
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OSINT verification data for scam reports.
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"""
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VERIFICATION_METHOD_CHOICES = [
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('whois', 'WHOIS Lookup'),
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('dns', 'DNS Records'),
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('ssl', 'SSL Certificate'),
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('archive', 'Wayback Machine'),
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('email_check', 'Email Validation'),
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('phone_check', 'Phone Validation'),
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('business_registry', 'Business Registry'),
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('social_media', 'Social Media'),
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('manual', 'Manual Review'),
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]
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report = models.ForeignKey(
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ScamReport,
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on_delete=models.CASCADE,
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related_name='verifications'
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)
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verification_method = models.CharField(
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max_length=50,
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choices=VERIFICATION_METHOD_CHOICES
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)
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verification_data = models.JSONField(
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default=dict,
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help_text='Raw verification data'
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)
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confidence_score = models.IntegerField(
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default=0,
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help_text='Confidence score for this verification (0-100)'
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)
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verified_by = models.ForeignKey(
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User,
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on_delete=models.SET_NULL,
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null=True,
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blank=True,
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related_name='verifications'
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)
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notes = models.TextField(blank=True)
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created_at = models.DateTimeField(auto_now_add=True)
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class Meta:
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db_table = 'reports_scamverification'
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verbose_name = 'Scam Verification'
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verbose_name_plural = 'Scam Verifications'
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ordering = ['-created_at']
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def __str__(self):
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return f"Verification for {self.report.title} via {self.get_verification_method_display()}"
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class TakedownRequest(models.Model):
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"""
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Request to take down a scam report by the accused party.
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"""
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STATUS_CHOICES = [
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('pending', 'Pending Review'),
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('under_review', 'Under Review'),
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('approved', 'Approved'),
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('rejected', 'Rejected'),
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]
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report = models.ForeignKey(
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ScamReport,
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on_delete=models.CASCADE,
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related_name='takedown_requests'
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)
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requester_name = models.CharField(
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max_length=200,
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help_text='Име на заявителя'
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)
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requester_email = models.EmailField(
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help_text='Имейл на заявителя'
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)
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requester_phone = models.CharField(
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max_length=50,
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blank=True,
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help_text='Телефон на заявителя (незадължително)'
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)
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reason = models.TextField(
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help_text='Причина за заявката за премахване'
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)
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evidence = models.TextField(
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blank=True,
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help_text='Доказателства или допълнителна информация'
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)
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status = models.CharField(
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max_length=20,
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choices=STATUS_CHOICES,
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default='pending'
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)
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reviewed_by = models.ForeignKey(
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User,
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on_delete=models.SET_NULL,
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null=True,
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blank=True,
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related_name='reviewed_takedown_requests',
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limit_choices_to={'role__in': ['moderator', 'admin']}
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)
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review_notes = models.TextField(
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blank=True,
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help_text='Бележки от модератора'
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)
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ip_address = models.GenericIPAddressField(null=True, blank=True)
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user_agent = models.TextField(blank=True)
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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reviewed_at = models.DateTimeField(null=True, blank=True)
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class Meta:
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db_table = 'reports_takedownrequest'
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verbose_name = 'Заявка за Премахване'
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verbose_name_plural = 'Заявки за Премахване'
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ordering = ['-created_at']
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indexes = [
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models.Index(fields=['report', 'status']),
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models.Index(fields=['status', 'created_at']),
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]
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def __str__(self):
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return f"Takedown request for {self.report.title} by {self.requester_name}"
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