team-3/src/c3nav/editor/views/overlays.py
2024-12-16 11:36:47 +01:00

257 lines
10 KiB
Python

from c3nav.editor.forms import get_editor_form
from c3nav.editor.views.base import (APIHybridError, APIHybridFormTemplateResponse,
APIHybridMessageRedirectResponse, APIHybridTemplateContextResponse,
editor_etag_func, sidebar_view, accesses_mapdata)
from django.shortcuts import get_object_or_404
from django.views.decorators.http import etag
from django.urls import reverse
from django.utils.translation import gettext_lazy as _
from django.core.exceptions import ObjectDoesNotExist, PermissionDenied
from django.contrib import messages
from django.db import IntegrityError
from c3nav.editor.utils import DefaultEditUtils, LevelChildEditUtils
from c3nav.editor.views.edit import get_changeset_exceeded
from c3nav.mapdata.models import DataOverlay, Level, DataOverlayFeature
@etag(editor_etag_func)
@accesses_mapdata
@sidebar_view(api_hybrid=True)
def overlays_list(request, level):
queryset = DataOverlay.objects.all().order_by('id')
if hasattr(DataOverlay, 'q_for_request'):
queryset = queryset.filter(DataOverlay.q_for_request(request))
level = get_object_or_404(Level.objects.filter(Level.q_for_request(request)), pk=level)
edit_utils = LevelChildEditUtils(level, request)
ctx = {
'levels': Level.objects.filter(Level.q_for_request(request), on_top_of__isnull=True),
'level': level,
'level_url': 'editor.levels.overlays',
'geometry_url': edit_utils.geometry_url,
'overlays': queryset,
}
return APIHybridTemplateContextResponse('editor/overlays.html', ctx, fields=('overlays',))
@etag(editor_etag_func)
@accesses_mapdata
@sidebar_view(api_hybrid=True)
def overlay_features(request, level, pk):
ctx = {
'path': request.path,
'overlay_id': pk,
}
queryset = DataOverlayFeature.objects.filter(level_id=level, overlay_id=pk).order_by('id')
add_cols = []
level = get_object_or_404(Level.objects.filter(Level.q_for_request(request)), pk=level)
overlay = get_object_or_404(DataOverlay.objects.filter(DataOverlay.q_for_request(request)), pk=pk)
edit_utils = LevelChildEditUtils(level, request)
ctx.update({
'title': overlay.title,
'back_url': reverse('editor.levels.overlays', kwargs={'level': level.pk}),
'back_title': _('back to overlays'),
'levels': Level.objects.filter(Level.q_for_request(request), on_top_of__isnull=True),
'level': level,
# TODO: this makes the level switcher always link to the overview of all overlays, rather than the current overlay
# unclear how to make it possible to switch to the correct overlay
'level_url': 'editor.levels.overlays',
})
for obj in queryset:
obj.edit_url = reverse('editor.overlayfeatures.edit', kwargs={'pk': obj.pk})
obj.add_cols = tuple(getattr(obj, col) for col in add_cols)
ctx.update({
'can_create': True,
'geometry_url': edit_utils.geometry_url,
'add_cols': add_cols,
'create_url': reverse('editor.levels.overlay.create', kwargs={'level': level.pk, 'overlay': overlay.pk}),
'features': queryset,
'extra_json_data': {
'activeOverlayId': overlay.pk
},
})
return APIHybridTemplateContextResponse('editor/overlay_features.html', ctx,
fields=('can_create', 'create_url', 'objects'))
@etag(editor_etag_func)
@accesses_mapdata
@sidebar_view(api_hybrid=True)
def overlay_feature_edit(request, level=None, overlay=None, pk=None):
changeset_exceeded = get_changeset_exceeded(request)
can_edit_changeset = request.changeset.can_edit(request)
obj = None
edit_utils = DefaultEditUtils(request)
if pk is not None:
# Edit existing map item
kwargs = {'pk': pk}
qs = DataOverlayFeature.objects.all()
if hasattr(DataOverlayFeature, 'q_for_request'):
qs = qs.filter(DataOverlayFeature.q_for_request(request))
qs = qs.select_related('level')
qs = qs.select_related('overlay')
utils_cls = LevelChildEditUtils
obj = get_object_or_404(qs, **kwargs)
level = obj.level
overlay = obj.overlay
edit_utils = utils_cls.from_obj(obj, request)
else:
level = get_object_or_404(Level.objects.filter(Level.q_for_request(request)), pk=level)
overlay = get_object_or_404(DataOverlay.objects.filter(DataOverlay.q_for_request(request)), pk=overlay)
edit_utils = LevelChildEditUtils(level, request)
new = obj is None
if new and not edit_utils.can_create:
raise PermissionDenied
geometry_url = edit_utils.geometry_url
# noinspection PyProtectedMember
ctx = {
'path': request.path,
'pk': pk,
'model_name': DataOverlayFeature.__name__.lower(),
'model_title': DataOverlayFeature._meta.verbose_name,
'can_edit': can_edit_changeset,
'new': new,
'title': obj.title if obj else None,
'geometry_url': geometry_url,
'geomtype': 'polygon,linestring,point',
}
space_id = None
ctx.update({
'level': level,
'back_url': reverse('editor.levels.overlay', kwargs={'level': level.pk, 'pk': overlay.pk}),
})
nosave = False
if changeset_exceeded:
if new:
return APIHybridMessageRedirectResponse(
level='error', message=_('You can not create new objects because your changeset is full.'),
redirect_to=ctx['back_url'], status_code=409,
)
elif obj.pk not in request.changeset.changes.objects.get(obj._meta.model_name, {}):
messages.warning(request, _('You can not edit this object because your changeset is full.'))
nosave = True
ctx.update({
'nosave': nosave
})
if new:
ctx.update({
'nozoom': True
})
error = None
delete = getattr(request, 'is_delete', None)
if request.method == 'POST' or (not new and delete):
if nosave:
return APIHybridMessageRedirectResponse(
level='error', message=_('You can not edit this object because your changeset is full.'),
redirect_to=request.path, status_code=409,
)
if not can_edit_changeset:
return APIHybridMessageRedirectResponse(
level='error', message=_('You can not edit changes on this changeset.'),
redirect_to=request.path, status_code=403,
)
if not new and ((request.POST.get('delete') == '1' and delete is not False) or delete):
# Delete this mapitem!
try:
if not request.changeset.get_changed_object(obj).can_delete():
raise PermissionError
except (ObjectDoesNotExist, PermissionError):
return APIHybridMessageRedirectResponse(
level='error',
message=_('You can not delete this object because other objects still depend on it.'),
redirect_to=request.path, status_code=409,
)
if request.POST.get('delete_confirm') == '1' or delete:
with request.changeset.lock_to_edit(request) as changeset:
if changeset.can_edit(request):
obj.delete()
else:
return APIHybridMessageRedirectResponse(
level='error',
message=_('You can not edit changes on this changeset.'),
redirect_to=request.path, status_code=403,
)
redirect_to = ctx['back_url']
return APIHybridMessageRedirectResponse(
level='success',
message=_('Object was successfully deleted.'),
redirect_to=redirect_to
)
ctx['obj_title'] = obj.title
return APIHybridTemplateContextResponse('editor/delete.html', ctx, fields=())
json_body = getattr(request, 'json_body', None)
data = json_body if json_body is not None else request.POST
form = get_editor_form(DataOverlayFeature)(instance=DataOverlayFeature() if new else obj, data=data, is_json=json_body is not None,
request=request, space_id=space_id,
geometry_editable=edit_utils.can_access_child_base_mapdata)
if form.is_valid():
# Update/create objects
obj = form.save(commit=False)
obj.level = level
obj.overlay = overlay
with request.changeset.lock_to_edit(request) as changeset:
if changeset.can_edit(request):
try:
obj.save()
except IntegrityError as e:
error = APIHybridError(status_code=400, message=_('Duplicate entry.'))
else:
if form.redirect_slugs is not None:
for slug in form.add_redirect_slugs:
obj.redirects.create(slug=slug)
for slug in form.remove_redirect_slugs:
obj.redirects.filter(slug=slug).delete()
form.save_m2m()
return APIHybridMessageRedirectResponse(
level='success',
message=_('Object was successfully saved.'),
redirect_to=ctx['back_url']
)
else:
error = APIHybridError(status_code=403, message=_('You can not edit changes on this changeset.'))
else:
form = get_editor_form(DataOverlayFeature)(instance=obj, request=request, space_id=space_id,
geometry_editable=edit_utils.can_access_child_base_mapdata)
ctx.update({
'form': form,
'extra_json_data': {
'activeOverlayId': overlay.pk
}
})
return APIHybridFormTemplateResponse('editor/edit.html', ctx, form=form, error=error)