Files
govoplan-core/src/govoplan_core/server/app.py

98 lines
4.2 KiB
Python

from __future__ import annotations
from fastapi import APIRouter
from govoplan_core.core.lifecycle import ModuleLifecycleManager
from govoplan_core.core.module_management import load_startup_enabled_modules, startup_candidate_module_ids
from govoplan_core.db.session import configure_database
from govoplan_core.server.config import GovoplanServerConfig, load_server_config
from govoplan_core.server.fastapi import create_govoplan_app
from govoplan_core.server.platform import create_platform_router
from govoplan_core.server.credentials import router as credential_router
from govoplan_core.server.registry import available_module_manifests, build_platform_registry
from govoplan_core.server.route_validation import validate_no_route_collisions
def create_app(config: GovoplanServerConfig | str | None = None):
server_config = _server_config(config)
_configure_app_database(server_config)
registry, available_modules = _server_module_registry(server_config)
api_router = _server_api_router(server_config, registry)
lifecycle = _server_lifecycle(server_config, registry=registry, available_modules=available_modules)
lifecycle.configure_runtime()
app = create_govoplan_app(
title=server_config.title,
version=server_config.version,
registry=registry,
api_router=api_router,
lifespan=server_config.lifespan,
cors_origins=server_config.cors_origins,
)
lifecycle.attach_app(app)
lifecycle.apply_enabled_modules(tuple(manifest.id for manifest in registry.manifests()), migrate=False)
for configurator in server_config.app_configurators:
configurator(app, registry, server_config.settings)
return app
def _server_config(config: GovoplanServerConfig | str | None) -> GovoplanServerConfig:
if isinstance(config, str) or config is None:
return load_server_config(config)
return config
def _configure_app_database(server_config: GovoplanServerConfig) -> None:
database_url = getattr(server_config.settings, "database_url", None) if server_config.settings is not None else None
if database_url:
dispose_previous = getattr(server_config.settings, "app_env", None) == "test"
configure_database(str(database_url), dispose_previous=dispose_previous)
def _server_module_registry(server_config: GovoplanServerConfig):
raw_enabled_modules = load_startup_enabled_modules(server_config.enabled_modules)
candidate_modules = startup_candidate_module_ids(server_config.enabled_modules, raw_enabled_modules)
startup_available_modules = available_module_manifests(
server_config.manifest_factories,
enabled_modules=candidate_modules,
ignore_load_errors=True,
)
available_modules = available_module_manifests(server_config.manifest_factories, ignore_load_errors=True)
enabled_modules = load_startup_enabled_modules(server_config.enabled_modules, available=startup_available_modules)
registry = build_platform_registry(enabled_modules, manifest_factories=server_config.manifest_factories)
return registry, available_modules
def _server_api_router(server_config: GovoplanServerConfig, registry) -> APIRouter:
api_router = APIRouter(prefix=server_config.api_prefix)
for router in server_config.base_routers:
api_router.include_router(router)
api_router.include_router(create_platform_router(settings=server_config.settings))
api_router.include_router(credential_router)
for router in server_config.post_module_routers:
api_router.include_router(router)
for contribution in server_config.extra_routers:
if contribution.should_include(server_config.settings, registry):
api_router.include_router(contribution.router)
validate_no_route_collisions(api_router, owner="server startup routes")
return api_router
def _server_lifecycle(
server_config: GovoplanServerConfig,
*,
registry,
available_modules,
) -> ModuleLifecycleManager:
return ModuleLifecycleManager(
registry=registry,
available_modules=available_modules,
settings=server_config.settings,
api_prefix=server_config.api_prefix,
manifest_factories=tuple(server_config.manifest_factories),
module_context_data=server_config.module_context_data,
)
app = create_app()