131 lines
7.0 KiB
Python
131 lines
7.0 KiB
Python
"""GoodDrive's logical folders and delegated user spaces.
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A DriveSpace is a numbered physical directory. DriveItems remain DB-managed,
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so renaming a space never renames its physical path.
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"""
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import uuid
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from django.conf import settings
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from django.db import models
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from django.core.exceptions import ValidationError
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class DriveSpace(models.Model):
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user = models.OneToOneField(settings.AUTH_USER_MODEL, on_delete=models.PROTECT, related_name='drive_space', null=True, blank=True)
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managed_by = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.PROTECT, null=True, blank=True, related_name='managed_drive_spaces')
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private_owner = models.OneToOneField(settings.AUTH_USER_MODEL, on_delete=models.PROTECT, related_name='private_drive_space', null=True, blank=True)
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parent = models.ForeignKey('self', null=True, blank=True, on_delete=models.PROTECT, related_name='children')
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directory_name = models.CharField(max_length=24, unique=True, null=True, blank=True)
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relative_path = models.CharField(max_length=700, unique=True)
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display_name = models.CharField(max_length=120)
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can_view_parent = models.BooleanField(default=True)
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can_write_parent = models.BooleanField(default=False)
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can_invite = models.BooleanField(default=False)
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quota_bytes = models.BigIntegerField(null=True, blank=True, default=None)
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created_at = models.DateTimeField(auto_now_add=True)
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def __str__(self):
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return f'{self.display_name} ({self.relative_path})'
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class SpaceGrant(models.Model):
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"""Grant access to an EXISTING account, without changing its hierarchy."""
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user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name='granted_spaces')
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space = models.ForeignKey(DriveSpace, on_delete=models.CASCADE, related_name='access_grants')
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can_write = models.BooleanField(default=False)
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can_invite = models.BooleanField(default=False)
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created_at = models.DateTimeField(auto_now_add=True)
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class Meta:
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constraints = [models.UniqueConstraint(fields=['user', 'space'], name='drive_unique_space_grant')]
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class SpaceInvitation(models.Model):
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id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
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token_hash = models.CharField(max_length=64, unique=True)
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parent_space = models.ForeignKey(DriveSpace, on_delete=models.CASCADE, related_name='invitations')
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created_by = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.PROTECT)
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can_view_parent = models.BooleanField(default=True)
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can_write_parent = models.BooleanField(default=False)
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can_invite = models.BooleanField(default=False)
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quota_bytes = models.BigIntegerField(null=True, blank=True, default=None)
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expires_at = models.DateTimeField()
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used_by = models.ForeignKey(settings.AUTH_USER_MODEL, null=True, blank=True, on_delete=models.SET_NULL, related_name='redeemed_invitations')
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used_at = models.DateTimeField(null=True, blank=True)
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revoked_at = models.DateTimeField(null=True, blank=True)
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created_at = models.DateTimeField(auto_now_add=True)
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class DriveItem(models.Model):
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id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
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owner = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.PROTECT, related_name='drive_items')
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space = models.ForeignKey(DriveSpace, on_delete=models.PROTECT, related_name='items')
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parent = models.ForeignKey('self', null=True, blank=True, on_delete=models.CASCADE, related_name='children')
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name = models.CharField(max_length=255)
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is_folder = models.BooleanField(default=False)
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storage_key = models.CharField(max_length=120, blank=True)
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# Existing files keep a blank storage_location (legacy /files/ab/<uuid>).
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# Files go under /storage/0001/.../ab/<uuid>, without a /root layer.
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storage_location = models.CharField(max_length=1200, blank=True)
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size = models.BigIntegerField(default=0)
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mime_type = models.CharField(max_length=180, default='application/octet-stream')
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is_shared = models.BooleanField(default=False) # legacy; no global sharing in hierarchical mode
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is_starred = models.BooleanField(default=False)
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trashed_at = models.DateTimeField(null=True, 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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class Meta:
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ordering = ['-is_folder', 'name', 'id']
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indexes = [models.Index(fields=['owner','parent']), models.Index(fields=['space','trashed_at'])]
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def clean(self):
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if not self.name or self.name in {'.', '..'} or any(c in self.name for c in '/\\\x00\r\n'):
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raise ValidationError('Nom de fichier ou dossier invalide.')
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if len(self.name) > 255:
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raise ValidationError('Nom trop long.')
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if self.parent_id and not self.parent.is_folder:
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raise ValidationError('Le parent doit être un dossier.')
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if self.parent_id and self.parent.space_id != self.space_id:
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raise ValidationError('Le dossier de destination appartient à un autre espace.')
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def __str__(self):
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return self.name
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class UploadSession(models.Model):
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id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
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owner = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
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space = models.ForeignKey(DriveSpace, on_delete=models.CASCADE)
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parent = models.ForeignKey(DriveItem, null=True, blank=True, on_delete=models.SET_NULL)
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name = models.CharField(max_length=255)
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total_size = models.BigIntegerField()
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received = models.BigIntegerField(default=0)
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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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class ItemGrant(models.Model):
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"""Read-only item/folder access, independent of membership in its space."""
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item = models.ForeignKey(DriveItem, on_delete=models.CASCADE, related_name='user_shares')
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user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name='shared_drive_items')
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created_by = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.PROTECT, related_name='+')
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created_at = models.DateTimeField(auto_now_add=True)
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class Meta:
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constraints = [models.UniqueConstraint(fields=['item', 'user'], name='drive_item_user_share_unique')]
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class PublicItemLink(models.Model):
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"""Secret-token link to a single file or directory tree."""
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item = models.ForeignKey(DriveItem, on_delete=models.CASCADE, related_name='public_links')
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token_hash = models.CharField(max_length=64, unique=True)
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created_by = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.PROTECT, related_name='+')
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created_at = models.DateTimeField(auto_now_add=True)
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revoked_at = models.DateTimeField(null=True, blank=True)
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class ArchivedDriveAccount(models.Model):
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"""Account removed from the app while its immutable private space survives."""
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user = models.OneToOneField(settings.AUTH_USER_MODEL, on_delete=models.PROTECT, related_name='drive_archive')
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deleted_at = models.DateTimeField(auto_now_add=True)
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