"""
Service for getting full page context.
"""
from typing import Optional
from ..clients import ALTOClient, OAIPMHClient
from ..models import PageContext
from ..utils import url_generator
from ..utils.http_client import HTTPClient
class PageContextService:
"""Service for getting full page context."""
def __init__(self, http_client: HTTPClient):
self.alto_client = ALTOClient(http_client=http_client)
self.oai_client = OAIPMHClient(http_client=http_client)
def get_page_context(
self,
manifest_id: str,
page_number: str,
reference_code: str = "",
search_term: Optional[str] = None,
) -> Optional[PageContext]:
"""Get full page context for a specific page using manifest ID for ALTO URL generation"""
cleaned_manifest_id = url_generator.remove_arkis_prefix(manifest_id)
alto_xml_url = url_generator.alto_url(cleaned_manifest_id, page_number)
image_url_link = url_generator.iiif_image_url(manifest_id, page_number)
bildvisning_link = url_generator.bildvisning_url(manifest_id, page_number, search_term)
if not alto_xml_url:
return None
full_text = self.alto_client.fetch_content(alto_xml_url)
if not full_text:
return None
return PageContext(
page_number=int(page_number) if page_number.isdigit() else 0,
page_id=page_number,
reference_code=reference_code,
full_text=full_text,
alto_url=alto_xml_url,
image_url=image_url_link or "",
bildvisning_url=bildvisning_link or "",
)
