Cam Proudlock
a9d0dfff4a
Flask + Vue rewrite of the classic-ASP shopdb, built as a plugin framework so sister GE Aerospace sites can adopt it. Product version 0.7.0-pre-0.8.0, plugin contract 0.11.0, 966 backend tests. Key entry points: - docs/INSTALL-WINDOWS-IIS.md - tested Windows + IIS install runbook (own-site and subpath deployment methods) - docs/PILOT-DEPLOY.md - production pilot: stand up + import + verify - docs/IMPORT-API.md - schema-agnostic legacy data import contract - scripts/site_imports/wjf/ - West Jefferson reference import loader - docs/adr/ - twelve accepted architecture decision records
44 lines
1.1 KiB
Python
44 lines
1.1 KiB
Python
"""Pagination utilities."""
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from flask import request, current_app
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from typing import Tuple
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def get_pagination_params(request_obj=None) -> Tuple[int, int]:
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"""
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Extract pagination parameters from request.
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Returns:
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Tuple of (page, per_page)
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"""
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if request_obj is None:
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request_obj = request
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default_size = current_app.config.get('DEFAULT_PAGE_SIZE', 20)
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max_size = current_app.config.get('MAX_PAGE_SIZE', 100)
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try:
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page = max(1, int(request_obj.args.get('page', 1)))
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except (TypeError, ValueError):
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page = 1
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try:
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per_page = int(request_obj.args.get('perpage', request_obj.args.get('per_page', default_size)))
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per_page = max(1, min(per_page, max_size))
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except (TypeError, ValueError):
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per_page = default_size
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return page, per_page
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def paginate_query(query, page: int, per_page: int):
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"""
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Apply pagination to a SQLAlchemy query.
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Returns:
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Tuple of (items, total)
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"""
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total = query.count()
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items = query.offset((page - 1) * per_page).limit(per_page).all()
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return items, total
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