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pythondatasetsactive-learningtext-annotationdatasetnatural-language-processingdata-labelingmachine-learningannotation-tool
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69 lines
2.0 KiB
69 lines
2.0 KiB
from django.conf import settings
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from django.contrib.auth.models import User
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from django.core.exceptions import ValidationError
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from django.db import models
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from django.db.models import Manager
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from api.models import Project
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from roles.models import Role
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class MemberManager(Manager):
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def can_update(self, project: int, member_id: int, new_role: str) -> bool:
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"""The project needs at least 1 admin.
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Args:
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project: The project id.
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member_id: The member id.
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new_role: The new role name.
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Returns:
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Whether the mapping can be updated or not.
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"""
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queryset = self.filter(
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project=project, role__name=settings.ROLE_PROJECT_ADMIN
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)
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if queryset.count() > 1:
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return True
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else:
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admin = queryset.first()
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# we can change the role except for the only admin.
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return admin.id != member_id or new_role == settings.ROLE_PROJECT_ADMIN
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def has_role(self, project_id: int, user: User, role_name: str):
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return self.filter(project=project_id, user=user, role__name=role_name).exists()
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class Member(models.Model):
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user = models.ForeignKey(
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to=User,
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on_delete=models.CASCADE,
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related_name='role_mappings'
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)
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project = models.ForeignKey(
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to=Project,
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on_delete=models.CASCADE,
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related_name='role_mappings'
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)
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role = models.ForeignKey(
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to=Role,
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on_delete=models.CASCADE
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)
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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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objects = MemberManager()
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def clean(self):
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members = self.objects.exclude(id=self.id)
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if members.filter(user=self.user, project=self.project).exists():
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message = 'This user is already assigned to a role in this project.'
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raise ValidationError(message)
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@property
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def username(self):
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return self.user.username
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class Meta:
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unique_together = ('user', 'project')
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