Files
secondary-school-grade-archive/backend/app/services/migrate.py
T
2026-06-28 16:01:46 +08:00

88 lines
3.8 KiB
Python

from sqlalchemy import inspect, text
from app.core.config import settings
from app.core.database import engine
def run_migrations() -> None:
"""Apply lightweight schema updates for existing databases."""
inspector = inspect(engine)
tables = set(inspector.get_table_names())
if "students" not in tables:
return
columns = {col["name"] for col in inspector.get_columns("students")}
if "school_level" not in columns:
with engine.begin() as conn:
conn.execute(
text(
"ALTER TABLE students ADD COLUMN school_level VARCHAR(32) "
"NOT NULL DEFAULT 'junior_high'"
)
)
if "users" in tables:
user_columns = {col["name"] for col in inspector.get_columns("users")}
if "is_superuser" not in user_columns:
with engine.begin() as conn:
conn.execute(
text("ALTER TABLE users ADD COLUMN is_superuser BOOLEAN NOT NULL DEFAULT FALSE")
)
conn.execute(
text(
f"UPDATE users SET is_superuser = TRUE "
f"WHERE username = '{settings.ADMIN_DEFAULT_USERNAME}'"
)
)
if "wrong_questions" in tables:
wq_columns = {col["name"] for col in inspector.get_columns("wrong_questions")}
if "category" not in wq_columns:
with engine.begin() as conn:
conn.execute(
text(
"ALTER TABLE wrong_questions ADD COLUMN category VARCHAR(32) "
"NOT NULL DEFAULT 'regular'"
)
)
if "system_settings" in tables:
ss_columns = {col["name"] for col in inspector.get_columns("system_settings")}
alters: list[str] = []
if "ai_provider" not in ss_columns:
alters.append("ADD COLUMN ai_provider VARCHAR(16) NOT NULL DEFAULT 'ollama'")
if "ollama_base_url" not in ss_columns:
alters.append("ADD COLUMN ollama_base_url VARCHAR(256)")
if "ollama_model" not in ss_columns:
alters.append("ADD COLUMN ollama_model VARCHAR(128)")
if "openai_base_url" not in ss_columns:
alters.append("ADD COLUMN openai_base_url VARCHAR(256)")
if "openai_model" not in ss_columns:
alters.append("ADD COLUMN openai_model VARCHAR(128)")
if "openai_api_key" not in ss_columns:
alters.append("ADD COLUMN openai_api_key VARCHAR(512)")
if "ocr_service_url" not in ss_columns:
alters.append("ADD COLUMN ocr_service_url VARCHAR(256)")
if alters:
with engine.begin() as conn:
for clause in alters:
conn.execute(text(f"ALTER TABLE system_settings {clause}"))
if "wrong_questions" in tables:
wq_columns = {col["name"] for col in inspector.get_columns("wrong_questions")}
wq_alters: list[str] = []
if "solution_approach" not in wq_columns:
wq_alters.append("ADD COLUMN solution_approach TEXT")
if "mark_regions_json" not in wq_columns:
wq_alters.append("ADD COLUMN mark_regions_json TEXT")
if "annotated_image_path" not in wq_columns:
wq_alters.append("ADD COLUMN annotated_image_path VARCHAR(512)")
if "cropped_image_path" not in wq_columns:
wq_alters.append("ADD COLUMN cropped_image_path VARCHAR(512)")
if "error_message" not in wq_columns:
wq_alters.append("ADD COLUMN error_message TEXT")
if wq_alters:
with engine.begin() as conn:
for clause in wq_alters:
conn.execute(text(f"ALTER TABLE wrong_questions {clause}"))