feat: init alembic + add init revision

apps/api/migrations/env.py

@@ -0,0 +1,110 @@
+import importlib
+from logging.config import fileConfig
+import os
+
+from sqlalchemy import engine_from_config
+from sqlalchemy import pool
+from sqlmodel import SQLModel
+from alembic import context
+
+from config.config import get_learnhouse_config
+
+# LearnHouse config
+
+lh_config = get_learnhouse_config()
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
+
+# IMPORTING ALL SCHEMAS
+base_dir = 'src/db'
+base_module_path = 'src.db'
+
+# Recursively walk through the base directory
+for root, dirs, files in os.walk(base_dir):
+    # Filter out __init__.py and non-Python files
+    module_files = [f for f in files if f.endswith('.py') and f != '__init__.py']
+    # Calculate the module's base path from its directory structure
+    path_diff = os.path.relpath(root, base_dir)
+    if path_diff == '.':
+        # Root of the base_dir, no additional path to add
+        current_module_base = base_module_path
+    else:
+        # Convert directory path to a module path
+        current_module_base = f"{base_module_path}.{path_diff.replace(os.sep, '.')}"
+    
+    # Dynamically import each module
+    for file_name in module_files:
+        module_name = file_name[:-3]  # Remove the '.py' extension
+        full_module_path = f"{current_module_base}.{module_name}"
+        importlib.import_module(full_module_path)
+
+# IMPORTING ALL SCHEMAS
+
+target_metadata = SQLModel.metadata
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+
+def run_migrations_offline() -> None:
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online() -> None:
+    """Run migrations in 'online' mode.
+
+    In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+    connectable = engine_from_config(
+        config.get_section(config.config_ini_section, {}),
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+
+    with connectable.connect() as connection:
+        context.configure(connection=connection, target_metadata=target_metadata)
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()