chore: QOL improvements on alias delete due to cascade FKs (#2144)

app/alias_utils.py

@@ -34,6 +34,7 @@
 from app.log import LOG
 from app.models import (
     Alias,
+    AliasDeleteReason,
     CustomDomain,
     Directory,
     User,
@@ -309,7 +310,9 @@ def try_auto_create_via_domain(address: str) -> Optional[Alias]:
         return None
 
 
-def delete_alias(alias: Alias, user: User):
+def delete_alias(
+    alias: Alias, user: User, reason: AliasDeleteReason = AliasDeleteReason.Unspecified
+):
     """
     Delete an alias and add it to either global or domain trash
     Should be used instead of Alias.delete, DomainDeletedAlias.create, DeletedAlias.create
@@ -324,6 +327,7 @@ def delete_alias(alias: Alias, user: User):
                 user_id=user.id,
                 email=alias.email,
                 domain_id=alias.custom_domain_id,
+                reason=reason,
             )
             Session.add(domain_deleted_alias)
             Session.commit()
@@ -332,7 +336,7 @@ def delete_alias(alias: Alias, user: User):
             )
     else:
         if not DeletedAlias.get_by(email=alias.email):
-            deleted_alias = DeletedAlias(email=alias.email)
+            deleted_alias = DeletedAlias(email=alias.email, reason=reason)
             Session.add(deleted_alias)
             Session.commit()
             LOG.i(f"Moving {alias} to global trash {deleted_alias}")

app/api/views/alias.py

@@ -26,7 +26,7 @@
 )
 from app.extensions import limiter
 from app.log import LOG
-from app.models import Alias, Contact, Mailbox, AliasMailbox
+from app.models import Alias, Contact, Mailbox, AliasMailbox, AliasDeleteReason
 
 
 @deprecated
@@ -161,7 +161,7 @@ def delete_alias(alias_id):
     if not alias or alias.user_id != user.id:
         return jsonify(error="Forbidden"), 403
 
-    alias_utils.delete_alias(alias, user)
+    alias_utils.delete_alias(alias, user, AliasDeleteReason.ManualAction)
 
     return jsonify(deleted=True), 200
 

app/dashboard/views/index.py

@@ -12,6 +12,7 @@
 from app.log import LOG
 from app.models import (
     Alias,
+    AliasDeleteReason,
     AliasGeneratorEnum,
     User,
     EmailLog,
@@ -143,7 +144,9 @@ def index():
             if request.form.get("form-name") == "delete-alias":
                 LOG.i(f"User {current_user} requested deletion of alias {alias}")
                 email = alias.email
-                alias_utils.delete_alias(alias, current_user)
+                alias_utils.delete_alias(
+                    alias, current_user, AliasDeleteReason.ManualAction
+                )
                 flash(f"Alias {email} has been deleted", "success")
             elif request.form.get("form-name") == "disable-alias":
                 alias_utils.change_alias_status(alias, enabled=False)

app/models.py

@@ -263,6 +263,15 @@ class UnsubscribeBehaviourEnum(EnumE):
     PreserveOriginal = 2
 
 
+class AliasDeleteReason(EnumE):
+    Unspecified = 0
+    UserHasBeenDeleted = 1
+    ManualAction = 2
+    DirectoryDeleted = 3
+    MailboxDeleted = 4
+    CustomDomainDeleted = 5
+
+
 class IntEnumType(sa.types.TypeDecorator):
     impl = sa.Integer
 
@@ -667,6 +676,12 @@ def delete(cls, obj_id, commit=False):
         user: User = cls.get(obj_id)
         EventDispatcher.send_event(user, EventContent(user_deleted=UserDeleted()))
 
+        # Manually delete all aliases for the user that is about to be deleted
+        from app.alias_utils import delete_alias
+
+        for alias in Alias.filter_by(user_id=user.id):
+            delete_alias(alias, user, AliasDeleteReason.UserHasBeenDeleted)
+
         res = super(User, cls).delete(obj_id)
         if commit:
             Session.commit()
@@ -2261,6 +2276,12 @@ class DeletedAlias(Base, ModelMixin):
     __tablename__ = "deleted_alias"
 
     email = sa.Column(sa.String(256), unique=True, nullable=False)
+    reason = sa.Column(
+        IntEnumType(AliasDeleteReason),
+        nullable=False,
+        default=AliasDeleteReason.Unspecified,
+        server_default=str(AliasDeleteReason.Unspecified.value),
+    )
 
     @classmethod
     def create(cls, **kw):
@@ -2448,6 +2469,13 @@ def delete(cls, obj_id):
         if obj.is_sl_subdomain:
             DeletedSubdomain.create(domain=obj.domain)
 
+        from app import alias_utils
+
+        for alias in Alias.filter_by(custom_domain_id=obj_id):
+            alias_utils.delete_alias(
+                alias, obj.user, AliasDeleteReason.CustomDomainDeleted
+            )
+
         return super(CustomDomain, cls).delete(obj_id)
 
     @property
@@ -2520,6 +2548,12 @@ class DomainDeletedAlias(Base, ModelMixin):
 
     domain = orm.relationship(CustomDomain)
     user = orm.relationship(User, foreign_keys=[user_id])
+    reason = sa.Column(
+        IntEnumType(AliasDeleteReason),
+        nullable=False,
+        default=AliasDeleteReason.Unspecified,
+        server_default=str(AliasDeleteReason.Unspecified.value),
+    )
 
     @classmethod
     def create(cls, **kw):
@@ -2611,7 +2645,7 @@ def delete(cls, obj_id):
         for alias in Alias.filter_by(directory_id=obj_id):
             from app import alias_utils
 
-            alias_utils.delete_alias(alias, user)
+            alias_utils.delete_alias(alias, user, AliasDeleteReason.DirectoryDeleted)
 
         DeletedDirectory.create(name=obj.name)
         cls.filter(cls.id == obj_id).delete()
@@ -2739,7 +2773,7 @@ def delete(cls, obj_id):
                 from app import alias_utils
 
                 # only put aliases that have mailbox as a single mailbox into trash
-                alias_utils.delete_alias(alias, user)
+                alias_utils.delete_alias(alias, user, AliasDeleteReason.MailboxDeleted)
             Session.commit()
 
         cls.filter(cls.id == obj_id).delete()

migrations/versions/2024_070516_d608b8e48082_.py

@@ -0,0 +1,31 @@
+"""empty message
+
+Revision ID: d608b8e48082
+Revises: 06a9a7133445
+Create Date: 2024-07-05 16:56:04.220173
+
+"""
+import sqlalchemy_utils
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'd608b8e48082'
+down_revision = '06a9a7133445'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('deleted_alias', sa.Column('reason', sa.Integer(), default=0, server_default='0', nullable=False))
+    op.add_column('domain_deleted_alias', sa.Column('reason', sa.Integer(), default=0, server_default='0', nullable=False))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('domain_deleted_alias', 'reason')
+    op.drop_column('deleted_alias', 'reason')
+    # ### end Alembic commands ###