62 lines
2.3 KiB
Python
62 lines
2.3 KiB
Python
from django.core.exceptions import PermissionDenied
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from django.http import HttpResponse
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from django.shortcuts import get_object_or_404
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from wagtail import hooks
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from wagtail.models import Page
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def set_page_position(request, page_to_move_id):
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page_to_move = get_object_or_404(Page, id=page_to_move_id)
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parent_page = page_to_move.get_parent()
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position = None
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if not parent_page.permissions_for_user(request.user).can_reorder_children():
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raise PermissionDenied
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if request.method == "POST":
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# Get target_position parameter
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visible_target_position = request.GET.get("position", None)
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# Get position within all children. the frontend position is determined explorer_page queryset.
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if visible_target_position is not None:
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current_page = get_visible_children(parent_page, request)[int(visible_target_position)]
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position = list(parent_page.get_children()).index(current_page)
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# Find page that's already in this position
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position_page = None
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if position is not None:
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try:
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position_page = parent_page.get_children()[position]
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except IndexError:
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pass # No page in this position
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# Move page
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# any invalid moves *should* be caught by the permission check above,
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# so don't bother to catch InvalidMoveToDescendant
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if position_page:
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# If the page has been moved to the right, insert it to the
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# right. If left, then left.
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old_position = list(parent_page.get_children()).index(page_to_move)
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if position < old_position:
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page_to_move.move(position_page, pos="left", user=request.user)
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elif position > old_position:
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page_to_move.move(position_page, pos="right", user=request.user)
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else:
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# Move page to end
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page_to_move.move(parent_page, pos="last-child", user=request.user)
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return HttpResponse("")
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def get_visible_children(parent_page, request):
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"""
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Get the pages of parent which are visible to the user. If a hook is used the visible pages are returned by the hook.
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"""
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pages = parent_page.get_children()
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for hook in hooks.get_hooks("construct_explorer_page_queryset"):
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pages = hook(parent_page, pages, request)
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return pages
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