Files
govoplan-search/src/govoplan_search/backend/router.py
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390 lines
12 KiB
Python

from __future__ import annotations
from fastapi import APIRouter, Depends, HTTPException, Query, Request, status
from sqlalchemy.orm import Session
from govoplan_core.auth import ApiPrincipal, get_api_principal, has_scope
from govoplan_core.audit.logging import audit_from_principal
from govoplan_core.core.search import CAPABILITY_SEARCH_INDEX_WRITER
from govoplan_core.core.registry import PlatformRegistry
from govoplan_core.core.search import SearchQuery
from govoplan_core.db.session import get_session
from govoplan_search.backend.manifest import ADMIN_SCOPE, READ_SCOPE
from govoplan_search.backend.schemas import (
SearchChangeDispatchResponse,
SearchDiagnosticsResponse,
SearchIndexStateResponse,
SearchModuleReconcileResponse,
SearchProviderListResponse,
SearchProviderResponse,
SearchRebuildResponse,
SearchResourceTypeResponse,
SearchResponse,
SearchResultResponse,
)
from govoplan_search.backend.service import (
SearchIndexService,
aggregate_search_page,
)
router = APIRouter(prefix="/search", tags=["search"])
def _registry(request: Request) -> PlatformRegistry:
registry = getattr(request.app.state, "govoplan_registry", None)
if not isinstance(registry, PlatformRegistry):
raise HTTPException(
status_code=status.HTTP_503_SERVICE_UNAVAILABLE,
detail="Search registry is not available.",
)
return registry
def _require_read(principal: ApiPrincipal) -> None:
if not has_scope(principal, READ_SCOPE):
raise HTTPException(
status_code=status.HTTP_403_FORBIDDEN,
detail=f"Missing scope: {READ_SCOPE}",
)
def _require_admin(principal: ApiPrincipal) -> None:
if not has_scope(principal, ADMIN_SCOPE):
raise HTTPException(
status_code=status.HTTP_403_FORBIDDEN,
detail=f"Missing scope: {ADMIN_SCOPE}",
)
def _service(registry: PlatformRegistry) -> SearchIndexService:
capability = registry.capability(
CAPABILITY_SEARCH_INDEX_WRITER
)
if not isinstance(capability, SearchIndexService):
raise HTTPException(
status_code=status.HTTP_503_SERVICE_UNAVAILABLE,
detail="Search index service is not available.",
)
return capability
def _search_resource_catalogue(
registry: PlatformRegistry,
) -> list[SearchResourceTypeResponse]:
resources = {
(
descriptor.module_id,
descriptor.resource_type,
descriptor.provider_id,
): SearchResourceTypeResponse(
provider_id=descriptor.provider_id,
module_id=descriptor.module_id,
resource_type=descriptor.resource_type,
label=descriptor.label,
order=registered.registration.order,
)
for registered, source in registry.search_sources()
for descriptor in source.resource_types()
}
return [
resources[key]
for key in sorted(
resources,
key=lambda item: (
resources[item].order,
resources[item].label.casefold(),
item,
),
)
]
@router.get("", response_model=SearchResponse)
def api_search(
request: Request,
q: str = Query(default="", max_length=500),
module: list[str] = Query(default=[]),
resource_type: list[str] = Query(default=[]),
context_kind: str = Query(default="global", pattern="^(global|module|resource)$"),
context_id: str | None = Query(default=None, max_length=255),
limit: int = Query(default=25, ge=1, le=100),
offset: int = Query(default=0, ge=0, le=10_000),
cursor: str | None = Query(default=None, max_length=2000),
language: str = Query(
default="simple",
max_length=32,
pattern=r"^[A-Za-z_]+$",
),
session: Session = Depends(get_session),
principal: ApiPrincipal = Depends(get_api_principal),
) -> SearchResponse:
_require_read(principal)
registry = _registry(request)
try:
query = SearchQuery(
text=q,
tenant_id=principal.tenant_id,
module_ids=tuple(dict.fromkeys(module)),
resource_types=tuple(dict.fromkeys(resource_type)),
context_kind=context_kind, # type: ignore[arg-type]
context_id=context_id,
limit=limit,
offset=offset,
cursor=cursor,
language=language.casefold(),
)
page = aggregate_search_page(
registry,
session,
principal,
query=query,
)
except ValueError as exc:
raise HTTPException(
status_code=status.HTTP_422_UNPROCESSABLE_CONTENT,
detail=str(exc),
) from exc
return SearchResponse(
query=query.text,
results=[
SearchResultResponse.model_validate(
{
"provider_id": result.provider_id,
"module_id": result.module_id,
"resource_type": result.resource_type,
"resource_id": result.resource_id,
"title": result.title,
"summary": result.summary,
"url": result.url,
"score": result.score,
"highlights": list(result.highlights),
"breadcrumbs": list(result.breadcrumbs),
"external_reference": (
result.external_reference.to_dict()
if result.external_reference is not None
else None
),
"metadata": dict(result.metadata),
"source_revision": result.source_revision,
"provenance": dict(result.provenance),
}
)
for result in page.results
],
diagnostics=list(page.diagnostics),
next_cursor=page.next_cursor,
has_more=page.next_cursor is not None,
)
@router.get("/providers", response_model=SearchProviderListResponse)
def api_search_providers(
request: Request,
principal: ApiPrincipal = Depends(get_api_principal),
) -> SearchProviderListResponse:
_require_read(principal)
registry = _registry(request)
registrations = registry.search_provider_registrations()
return SearchProviderListResponse(
providers=[
SearchProviderResponse(
id=item.registration.id,
module_id=item.module_id,
resource_types=list(item.registration.resource_types),
order=item.registration.order,
)
for item in registrations
],
resources=_search_resource_catalogue(registry),
)
@router.get(
"/admin/diagnostics",
response_model=SearchDiagnosticsResponse,
)
def api_search_diagnostics(
request: Request,
session: Session = Depends(get_session),
principal: ApiPrincipal = Depends(get_api_principal),
) -> SearchDiagnosticsResponse:
_require_admin(principal)
registry = _registry(request)
return SearchDiagnosticsResponse.model_validate(
_service(registry).diagnostics(session, principal)
)
@router.post(
"/admin/reconcile-modules",
response_model=SearchModuleReconcileResponse,
)
def api_reconcile_search_modules(
request: Request,
session: Session = Depends(get_session),
principal: ApiPrincipal = Depends(get_api_principal),
) -> SearchModuleReconcileResponse:
_require_admin(principal)
result = _service(_registry(request)).reconcile_active_modules(
session,
tenant_id=principal.tenant_id,
)
audit_from_principal(
session,
principal,
action="search.modules.reconciled",
scope="tenant",
object_type="search_index",
details=result,
)
session.commit()
return SearchModuleReconcileResponse(**result)
@router.post(
"/admin/changes/process",
response_model=SearchChangeDispatchResponse,
)
def api_process_search_changes(
request: Request,
limit: int = Query(default=100, ge=1, le=500),
session: Session = Depends(get_session),
principal: ApiPrincipal = Depends(get_api_principal),
) -> SearchChangeDispatchResponse:
_require_admin(principal)
result = _service(_registry(request)).process_changes(
session,
limit=limit,
tenant_id=principal.tenant_id,
)
audit_from_principal(
session,
principal,
action="search.changes.processed",
scope="tenant",
object_type="search_index",
details=result,
)
session.commit()
return SearchChangeDispatchResponse(**result)
@router.post(
"/admin/rebuilds/{provider_id}/{resource_type}/start",
response_model=SearchRebuildResponse,
)
def api_start_search_rebuild(
provider_id: str,
resource_type: str,
request: Request,
session: Session = Depends(get_session),
principal: ApiPrincipal = Depends(get_api_principal),
) -> SearchRebuildResponse:
_require_admin(principal)
try:
state = _service(_registry(request)).start_rebuild(
session,
principal,
provider_id=provider_id,
resource_type=resource_type,
)
except ValueError as exc:
raise HTTPException(
status_code=status.HTTP_409_CONFLICT,
detail=str(exc),
) from exc
audit_from_principal(
session,
principal,
action="search.rebuild.started",
scope="tenant",
object_type="search_index",
object_id=state.id,
details={
"provider_id": provider_id,
"resource_type": resource_type,
"rebuild_id": state.rebuild_id,
},
)
session.commit()
return SearchRebuildResponse(
state=_search_state_response(state)
)
@router.post(
"/admin/rebuilds/{provider_id}/{resource_type}/continue",
response_model=SearchRebuildResponse,
)
def api_continue_search_rebuild(
provider_id: str,
resource_type: str,
request: Request,
limit: int = Query(default=100, ge=1, le=500),
session: Session = Depends(get_session),
principal: ApiPrincipal = Depends(get_api_principal),
) -> SearchRebuildResponse:
_require_admin(principal)
service = _service(_registry(request))
try:
state = service.continue_rebuild(
session,
principal,
provider_id=provider_id,
resource_type=resource_type,
limit=limit,
)
except ValueError as exc:
raise HTTPException(
status_code=status.HTTP_409_CONFLICT,
detail=str(exc),
) from exc
audit_from_principal(
session,
principal,
action="search.rebuild.continued",
scope="tenant",
object_type="search_index",
object_id=state.id,
details={
"provider_id": provider_id,
"resource_type": resource_type,
"status": state.status,
"indexed_documents": state.indexed_documents,
},
)
session.commit()
return SearchRebuildResponse(
state=_search_state_response(state)
)
def _search_state_response(state: object) -> SearchIndexStateResponse:
return SearchIndexStateResponse(
provider_id=str(getattr(state, "provider_id")),
module_id=str(getattr(state, "module_id")),
resource_type=str(getattr(state, "resource_type")),
index_version=int(getattr(state, "index_version")),
status=str(getattr(state, "status")),
checkpoint_cursor=getattr(state, "checkpoint_cursor"),
high_watermark=getattr(state, "high_watermark"),
last_change_cursor=getattr(state, "last_change_cursor"),
indexed_documents=int(
getattr(state, "indexed_documents")
),
rejected_documents=int(
getattr(state, "rejected_documents")
),
rebuild_started_at=getattr(state, "rebuild_started_at"),
rebuild_completed_at=getattr(
state,
"rebuild_completed_at",
),
last_success_at=getattr(state, "last_success_at"),
last_error=getattr(state, "last_error"),
)
__all__ = ["router"]