Many to many relationship between user and announcement tables implemented, book endpoint changed accordingly

migrations/versions/19dbd9793f11_create_constructor_to_make_object_if_.py

@@ -0,0 +1,30 @@
+"""create constructor to make object (if leave as is, with two primary keys, says that one argument required, but two were given). Booked_counter can be nullable
+
+Revision ID: 19dbd9793f11
+Revises: 945c70aa70e7
+Create Date: 2024-08-13 15:29:21.542539
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '19dbd9793f11'
+down_revision: Union[str, None] = '945c70aa70e7'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    pass
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    pass
+    # ### end Alembic commands ###

migrations/versions/945c70aa70e7_booked_by_colomn_changed_to_integer_.py

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+"""booked_by colomn changed to Integer, added new table AnnouncementUser implementing one to many relationships
+
+Revision ID: 945c70aa70e7
+Revises: 5a8105ac1a4f
+Create Date: 2024-08-12 20:36:08.669574
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '945c70aa70e7'
+down_revision: Union[str, None] = '5a8105ac1a4f'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('announcementuser',
+    sa.Column('announcement_id', sa.Integer(), nullable=False),
+    sa.Column('booking_user_id', sa.Integer(), nullable=False),
+    sa.ForeignKeyConstraint(['announcement_id'], ['announcements.id'], ),
+    sa.ForeignKeyConstraint(['booking_user_id'], ['users.id'], ),
+    sa.PrimaryKeyConstraint('announcement_id', 'booking_user_id')
+    )
+    op.add_column('announcements', sa.Column('booked_by', sa.Integer(), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('announcements', 'booked_by')
+    op.drop_table('announcementuser')
+    # ### end Alembic commands ###