add forward_email table

app/models.py

@@ -520,3 +520,24 @@ class ClientUser(db.Model, ModelMixin):
                     res[Scope.EMAIL.value] = self.user.email
 
         return res
+
+
+class ForwardEmail(db.Model, ModelMixin):
+    """
+    Emails that are forwarded through SL: email that is sent by website to user via SL alias
+    """
+    __table_args__ = (
+        db.UniqueConstraint("gen_email_id", "website_email", name="uq_forward_email"),
+    )
+
+    gen_email_id = db.Column(
+        db.ForeignKey(GenEmail.id, ondelete="cascade"), nullable=False
+    )
+
+    website_email = db.Column(db.String(128), nullable=False)
+
+    # when user clicks on "reply", they will reply to this address.
+    # This address allows to hide user personal email
+    # this reply email is created every time a website sends an email to user
+    # it has the prefix "reply+" to distinguish with other email
+    reply_email = db.Column(db.String(128), nullable=False)

migrations/versions/5fa68bafae72_.py

@@ -0,0 +1,39 @@
+"""empty message
+
+Revision ID: 5fa68bafae72
+Revises: c79c702a1f23
+Create Date: 2019-11-07 17:32:32.358891
+
+"""
+import sqlalchemy_utils
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '5fa68bafae72'
+down_revision = 'c79c702a1f23'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('forward_email',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('created_at', sqlalchemy_utils.types.arrow.ArrowType(), nullable=False),
+    sa.Column('updated_at', sqlalchemy_utils.types.arrow.ArrowType(), nullable=True),
+    sa.Column('gen_email_id', sa.Integer(), nullable=False),
+    sa.Column('website_email', sa.String(length=128), nullable=False),
+    sa.Column('reply_email', sa.String(length=128), nullable=False),
+    sa.ForeignKeyConstraint(['gen_email_id'], ['gen_email.id'], ondelete='cascade'),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('gen_email_id', 'website_email', name='uq_forward_email')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('forward_email')
+    # ### end Alembic commands ###