✨ Added proper delete constrains in database

classquiz/routers/eximport.py

@@ -26,6 +26,14 @@ image_delimiter = b"\xc6\xc6\xc6\x00"
 image_index_delimiter = b"\xc5\xc5\x00"
 
 
+class UUIDEncoder(json.JSONEncoder):
+    def default(self, obj):
+        if isinstance(obj, uuid.UUID):
+            # if the obj is uuid, we simply return the value of uuid
+            return obj.hex
+        return json.JSONEncoder.default(self, obj)
+
+
 @router.get("/{quiz_id}")
 async def export_quiz(quiz_id: uuid.UUID, user: User = Depends(get_current_user)):
     try:
@@ -46,7 +54,7 @@ async def export_quiz(quiz_id: uuid.UUID, user: User = Depends(get_current_user)
     del quiz_dict["user_id"], quiz_dict["id"]
     quiz_dict["created_at"] = quiz_dict["created_at"].isoformat()
     quiz_dict["updated_at"] = quiz_dict["updated_at"].isoformat()
-    quiz_json = json.dumps(quiz_dict)
+    quiz_json = json.dumps(quiz_dict, cls=UUIDEncoder)
     bin_data = gzip.compress(quiz_json.encode("utf-8"), compresslevel=9)
     bin_data = bin_data + quiz_delimiter
     for image_key in image_urls:

migrations/versions/2ed6823c69b2_added_proper_delete_actions.py

@@ -0,0 +1,100 @@
+# SPDX-FileCopyrightText: 2023 Marlon W (Mawoka)
+#
+# SPDX-License-Identifier: MPL-2.0
+
+"""Added proper delete actions
+
+Revision ID: 2ed6823c69b2
+Revises: 230ac26db527
+Create Date: 2023-07-12 11:00:37.785183
+
+"""
+from alembic import op
+import sqlalchemy as sa
+import ormar
+
+
+# revision identifiers, used by Alembic.
+revision = "2ed6823c69b2"
+down_revision = "230ac26db527"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    # op.drop_constraint('fk_api_keys_users_id_user', 'api_keys', type_='foreignkey')
+    op.execute("ALTER TABLE api_keys DROP CONSTRAINT IF EXISTS fk_api_keys_users_id_user")
+    op.create_foreign_key("fk_api_keys_users_id_user", "api_keys", "users", ["user"], ["id"], ondelete="CASCADE")
+    # op.drop_constraint('fk_fido_credentials_users_id_user', 'fido_credentials', type_='foreignkey')
+    op.execute("ALTER TABLE fido_credentials DROP CONSTRAINT IF EXISTS fk_fido_credentials_users_id_user")
+    op.create_foreign_key(
+        "fk_fido_credentials_users_id_user", "fido_credentials", "users", ["user"], ["id"], ondelete="CASCADE"
+    )
+    # op.drop_constraint('fk_game_results_users_id_user', 'game_results', type_='foreignkey')
+    op.execute("ALTER TABLE game_results DROP CONSTRAINT IF EXISTS fk_game_results_users_id_user")
+    # op.drop_constraint('fk_game_results_quiz_id_quiz', 'game_results', type_='foreignkey')
+    op.execute("ALTER TABLE game_results DROP CONSTRAINT IF EXISTS fk_game_results_quiz_id_quiz")
+    op.create_foreign_key("fk_game_results_quiz_id_quiz", "game_results", "quiz", ["quiz"], ["id"], ondelete="CASCADE")
+    op.create_foreign_key(
+        "fk_game_results_users_id_user", "game_results", "users", ["user"], ["id"], ondelete="CASCADE"
+    )
+    # op.drop_constraint('fk_quiz_users_id_user_id', 'quiz', type_='foreignkey')
+    op.execute("ALTER TABLE quiz DROP CONSTRAINT IF EXISTS fk_quiz_users_id_user_id")
+    op.create_foreign_key("fk_quiz_users_id_user_id", "quiz", "users", ["user_id"], ["id"], ondelete="CASCADE")
+    # op.drop_constraint('fk_quiztivitys_users_id_user', 'quiztivitys', type_='foreignkey')
+    op.execute("ALTER TABLE quiztivitys DROP CONSTRAINT IF EXISTS fk_quiztivitys_users_id_user")
+    op.create_foreign_key("fk_quiztivitys_users_id_user", "quiztivitys", "users", ["user"], ["id"], ondelete="CASCADE")
+    # op.drop_constraint('fk_quiztivityshares_quiztivitys_id_quiztivity', 'quiztivityshares', type_='foreignkey')
+    op.execute("ALTER TABLE quiztivityshares DROP CONSTRAINT IF EXISTS fk_quiztivityshares_quiztivitys_id_quiztivity")
+    # op.drop_constraint('fk_quiztivityshares_users_id_user', 'quiztivityshares', type_='foreignkey')
+    op.execute("ALTER TABLE quiztivitys DROP CONSTRAINT IF EXISTS fk_quiztivitys_users_id_user")
+    op.create_foreign_key(
+        "fk_quiztivityshares_users_id_user", "quiztivityshares", "users", ["user"], ["id"], ondelete="CASCADE"
+    )
+    op.create_foreign_key(
+        "fk_quiztivityshares_quiztivitys_id_quiztivity",
+        "quiztivityshares",
+        "quiztivitys",
+        ["quiztivity"],
+        ["id"],
+        ondelete="CASCADE",
+    )
+    # op.drop_constraint('fk_storage_items_users_id_user', 'storage_items', type_='foreignkey')
+    op.execute("ALTER TABLE storage_items DROP CONSTRAINT IF EXISTS fk_storage_items_users_id_user")
+    op.create_foreign_key(
+        "fk_storage_items_users_id_user", "storage_items", "users", ["user"], ["id"], ondelete="SET NULL"
+    )
+    # op.drop_constraint('fk_user_sessions_users_id_user', 'user_sessions', type_='foreignkey')
+    op.execute("ALTER TABLE user_sessions DROP CONSTRAINT IF EXISTS fk_user_sessions_users_id_user")
+    op.create_foreign_key(
+        "fk_user_sessions_users_id_user", "user_sessions", "users", ["user"], ["id"], ondelete="CASCADE"
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint("fk_user_sessions_users_id_user", "user_sessions", type_="foreignkey")
+    op.create_foreign_key("fk_user_sessions_users_id_user", "user_sessions", "users", ["user"], ["id"])
+    op.drop_constraint("fk_storage_items_users_id_user", "storage_items", type_="foreignkey")
+    op.create_foreign_key("fk_storage_items_users_id_user", "storage_items", "users", ["user"], ["id"])
+    op.drop_constraint("fk_quiztivityshares_quiztivitys_id_quiztivity", "quiztivityshares", type_="foreignkey")
+    op.drop_constraint("fk_quiztivityshares_users_id_user", "quiztivityshares", type_="foreignkey")
+    op.create_foreign_key("fk_quiztivityshares_users_id_user", "quiztivityshares", "users", ["user"], ["id"])
+    op.create_foreign_key(
+        "fk_quiztivityshares_quiztivitys_id_quiztivity", "quiztivityshares", "quiztivitys", ["quiztivity"], ["id"]
+    )
+    op.drop_constraint("fk_quiztivitys_users_id_user", "quiztivitys", type_="foreignkey")
+    op.create_foreign_key("fk_quiztivitys_users_id_user", "quiztivitys", "users", ["user"], ["id"])
+    op.drop_constraint("fk_quiz_users_id_user_id", "quiz", type_="foreignkey")
+    op.create_foreign_key("fk_quiz_users_id_user_id", "quiz", "users", ["user_id"], ["id"])
+    op.drop_constraint("fk_game_results_users_id_user", "game_results", type_="foreignkey")
+    op.drop_constraint("fk_game_results_quiz_id_quiz", "game_results", type_="foreignkey")
+    op.create_foreign_key("fk_game_results_quiz_id_quiz", "game_results", "quiz", ["quiz"], ["id"])
+    op.create_foreign_key("fk_game_results_users_id_user", "game_results", "users", ["user"], ["id"])
+    op.drop_constraint("fk_fido_credentials_users_id_user", "fido_credentials", type_="foreignkey")
+    op.create_foreign_key("fk_fido_credentials_users_id_user", "fido_credentials", "users", ["user"], ["id"])
+    op.drop_constraint("fk_api_keys_users_id_user", "api_keys", type_="foreignkey")
+    op.create_foreign_key("fk_api_keys_users_id_user", "api_keys", "users", ["user"], ["id"])
+    # ### end Alembic commands ###