863 lines
No EOL
30 KiB
Python
863 lines
No EOL
30 KiB
Python
# ---------------------
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# ITS Views
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# ---------------------
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from django.shortcuts import render, get_object_or_404, redirect
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from django.http import JsonResponse, Http404
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from django.urls import reverse
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from django.views.decorators.http import require_GET, require_POST
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from django.contrib.gis.db.models.functions import Transform
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from django.contrib.gis.geos import GEOSGeometry, Point
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from django.contrib.gis.db.models.functions import Distance
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from django.contrib.contenttypes.models import ContentType
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from django.db.models import Q, Case, When, IntegerField, CharField
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from django.db.models.functions import Lower
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from django.db.models import Func, Prefetch
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from django.db import connection
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from django.template.loader import render_to_string
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from django.utils.translation import get_language, gettext as _
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import unicodedata
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import json
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from collections import defaultdict
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from common.utils import check_thematic_access
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from common.models import Thematic, UserConfig, UserContractAccess, UserThematics
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from assets.models import ITSLocation, ITSLocationDocument, ITSAssetModel, ITSGeoAsset, AssetCategory
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from assets.permissions import can_edit_location_for_thematic, get_allowed_actions_for_thematic
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from assets.forms import ITSLocationDocumentForm
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from interventions.models import InterventionLocation
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from interventions.views.drafts import InterventionDraftManager
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@check_thematic_access('its')
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def its_index(request):
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thematic = 'its'
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lang = get_language()
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# Get filters from URL
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statuses = request.GET.getlist('status')
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selected_is_main_location = request.GET.get('is_main_location')
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selected_categories = request.GET.getlist('category')
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selected_models = request.GET.getlist('model')
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# Get preventive draft ID (if any) for selecting assets
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preventive_draft_id = request.GET.get('preventive_draft_id')
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if preventive_draft_id:
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drafts = InterventionDraftManager(request.session)
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draft_data = drafts.get(preventive_draft_id)
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form_data = draft_data.get('form_data', {})
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preventive_element_type = form_data.get('type_of_selected_elements')
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if preventive_element_type == 'assets':
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selected_assets = draft_data.get('assets', []) or []
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else:
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selected_locations_ids = draft_data.get('locations', [])
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thematic_choices_qs = (
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UserThematics.objects
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.filter(user_config=request.user.config, can_view_assets=True)
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.select_related('thematic')
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.order_by(f'thematic__{"name_nl" if lang == "nl" else "name_fr"}')
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)
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thematics = [tc.thematic for tc in thematic_choices_qs]
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selected_thematic = {
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"code": thematic,
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"name": next((t.name for t in thematics if t.code == thematic), None),
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"icon": next((t.icon for t in thematics if t.code == thematic), None),
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}
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categories = list(AssetCategory.objects.filter(thematic__code = 'its'))
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categories.sort(key=lambda m: m.get_name().lower())
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category_choices = [(m.id, m.get_name()) for m in categories]
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models = list(ITSAssetModel.objects.all())
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models.sort(key=lambda m: (m.get_name() or "").lower())
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model_choices = [(m.id, m.get_name()) for m in models]
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category_model_map = defaultdict(list)
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models = ITSAssetModel.objects.all()
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for model in models:
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if model.category:
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display_name = model.get_name()
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category_model_map[str(model.category_id)].append({
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"key": str(model.id),
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"label": display_name,
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})
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context = {
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'thematics': thematics,
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'category_choices': category_choices,
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'model_choices': model_choices,
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'category_model_map': dict(category_model_map),
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'status_choices': ITSGeoAsset._meta.get_field('status').choices,
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'selected_thematic': selected_thematic,
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'selected_is_main_location': selected_is_main_location,
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'selected_categories': selected_categories,
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'selected_models': selected_models,
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'selected_statuses': statuses,
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'preventive_draft_id': preventive_draft_id,
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'preventive_element_type': preventive_element_type if 'preventive_element_type' in locals() else '',
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'selected_locations_ids': selected_locations_ids if 'selected_locations_ids' in locals() else [],
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"selected_assets_json": json.dumps(selected_assets) if 'selected_assets' in locals() else [],
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'locations_tab_title': _("Localisations"),
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'locations_assets_title': "Assets",
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'can_create_location': can_edit_location_for_thematic(request.user, 'its'),
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'location_type': 'itslocation',
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'thematic_code': 'its',
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'can_create_asset': 'create' in get_allowed_actions_for_thematic(
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request.user, Thematic.objects.filter(code='its').first()
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),
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'its_categories': categories,
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}
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return render(request, "assets/its_index.html", context)
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def its_locations(request):
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pass
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def its_assets(request):
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pass
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def ensure_list(value):
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if isinstance(value, list):
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return value
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if value is None:
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return []
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return [value]
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@check_thematic_access('its')
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def its_locations_geojson(request):
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if request.method == "POST":
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try:
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data = json.loads(request.body)
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except json.JSONDecodeError:
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return JsonResponse({"error": "Invalid JSON"}, status=400)
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is_main_location = data.get('is_main_location')
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filter_geom_raw = data.get("filter_geom")
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if filter_geom_raw:
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try:
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filter_geom = GEOSGeometry(json.dumps(filter_geom_raw['geometry']), srid=4326)
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filter_geom.transform(3812)
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except Exception as e:
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return JsonResponse({"error": f"Invalid geometry: {str(e)}"}, status=400)
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else:
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filter_geom = None
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else:
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is_main_location = request.GET.get('is_main_location')
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filter_geom = None
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# --------- Point d'entrée du queryset
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its_locations = ITSLocation.objects.all()
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# --------- Filtre par localisation principale
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if is_main_location:
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val = is_main_location.lower()
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if val == 'true':
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its_locations = its_locations.filter(is_main_location=True)
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elif val == 'false':
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its_locations = its_locations.filter(is_main_location=False)
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# --------- Filtre géométrique
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if filter_geom:
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its_locations = its_locations.filter(geom__intersects=filter_geom)
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# --------- Limitation pour utilisateurs externes
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user = request.user
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if user.is_authenticated:
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try:
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user_config = user.config # OneToOne UserConfig
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except UserConfig.DoesNotExist:
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user_config = None
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# externe = pas interne ; on tient aussi compte du flag limit_assets_to_contracts
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is_external = (user_config is None) or (not user_config.is_intern)
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must_limit = is_external and (not user_config or user_config.limit_assets_to_contracts)
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if must_limit:
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# contrats accessibles à l'utilisateur (idéalement avec droit "assets")
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accessible_contract_ids = UserContractAccess.objects.filter(
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user_config=user_config,
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can_view_assets=True # champ prévu dans la table d'accès contrat
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).values_list('contract_id', flat=True)
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# Ne garder que les locations dont le centre de contrôle a un contrat actif lié à ces contrats
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its_locations = its_locations.filter(
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its_contracts__status='active', # ITSContract.status
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its_contracts__contract_id__in=accessible_contract_ids # FK contract
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).distinct()
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else:
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# Non authentifié : ne rien exposer (option sûre)
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its_locations = its_locations.none()
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# Recherche plein texte
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if request.method == 'POST':
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from assets.views.core import apply_search
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its_locations = apply_search(its_locations, data)
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# --------- Conversion en GeoJSON
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def obj_to_feature(obj):
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geometry = json.loads(obj.geojson) if obj.geojson else None # AbstractLocation.geojson # :contentReference[oaicite:16]{index=16}
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return {
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"type": "Feature",
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"id": obj.id,
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"geometry": geometry,
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"properties": {
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"code": obj.code,
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"name": obj.get_name(),
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"lon": obj.lon,
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"lat": obj.lat,
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"detail_url": obj.get_absolute_url() if hasattr(obj, 'get_absolute_url') else None,
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"element_type": "Zone ITS",
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"thematic": "its",
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"is_location": True,
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}
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}
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features = []
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for location in its_locations.order_by('code'):
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features.append(obj_to_feature(location))
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geojson_data = {
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"type": "FeatureCollection",
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"features": features,
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}
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return JsonResponse(geojson_data, safe=False)
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MAX_ASSET_FEATURES = 5000 # limite imposée
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@check_thematic_access('its')
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def its_assets_geojson(request):
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if request.method == "POST":
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try:
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data = json.loads(request.body)
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except json.JSONDecodeError:
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return JsonResponse({"error": "Invalid JSON"}, status=400)
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its_location_ids = data.get('locations_ids', [])
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statuses = data.get('asset_status', [])
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begin_date = data.get('asset_begin_date')
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categories = ensure_list(data.get('category'))
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models = ensure_list(data.get('model'))
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# Récupération et parsing de la géométrie
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filter_geom_raw = data.get("filter_geom")
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if filter_geom_raw:
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try:
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filter_geom = GEOSGeometry(json.dumps(filter_geom_raw['geometry']), srid=4326)
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filter_geom.transform(3812)
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except Exception as e:
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return JsonResponse({"error": f"Invalid geometry: {str(e)}"}, status=400)
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else:
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filter_geom = None
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else:
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its_location_id = request.GET.get('location')
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its_location_ids = [its_location_id] if its_location_id else []
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statuses = request.GET.getlist('asset_status')
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begin_date = request.GET.get('asset_begin_date')
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categories = request.GET.getlist('category', [])
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models = request.GET.getlist('model', [])
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filter_geom = None
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# Pas de paramètres = pas de carte (comportement existant conservé)
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_search_q = (data.get('q') or '').strip() if request.method == 'POST' else ''
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if not request.GET.get('unified') and not its_location_ids and not categories and not models and not filter_geom and not _search_q:
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geojson_data = {"type": "FeatureCollection", "features": []}
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return JsonResponse(geojson_data)
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from assets.views.core import get_element_type_label
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def build_geometry_and_coords(obj):
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geometry = None
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if obj.geojson:
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try:
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geometry = json.loads(obj.geojson)
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except (TypeError, ValueError, json.JSONDecodeError):
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geometry = None
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lon = obj.lon
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lat = obj.lat
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if lon is None or lat is None:
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location = getattr(obj, 'location', None)
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if location is not None:
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if lon is None:
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lon = getattr(location, 'lon', None)
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if lat is None:
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lat = getattr(location, 'lat', None)
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if geometry is None and lon is not None and lat is not None:
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geometry = {
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"type": "Point",
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"coordinates": [lon, lat],
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}
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return geometry, lon, lat
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def obj_to_feature(obj, asset_type=None):
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geometry, lon, lat = build_geometry_and_coords(obj)
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return {
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"type": "Feature",
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"id": obj.id,
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"geometry": geometry,
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"properties": {
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"code": obj.code,
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"name": obj.get_name(),
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"category": obj.category.get_name() if obj.category else None,
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"model": obj.model.get_name() if obj.model else None,
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"status": obj.status,
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"validation_status": obj.validation_status,
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"lon": lon,
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"lat": lat,
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"asset_type": asset_type,
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"detail_url": obj.get_absolute_url() if hasattr(obj, 'get_absolute_url') else None,
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"element_type": get_element_type_label(asset_type or ''),
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"thematic": "its",
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"is_location": False,
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},
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}
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def add_assets_to_features(queryset, asset_type, features, feature_count):
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for obj in queryset:
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if feature_count >= MAX_ASSET_FEATURES:
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return feature_count, True # early stop
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features.append(obj_to_feature(obj, asset_type=asset_type))
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feature_count += 1
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return feature_count, False
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# --------- Query de base + optimisations
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its_asset_qs = (
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ITSGeoAsset.objects
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.select_related('location', 'category', 'model')
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.all()
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)
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# --------- Filtres métier existants
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if its_location_ids:
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its_asset_qs = its_asset_qs.filter(location__id__in=its_location_ids)
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if models:
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its_asset_qs = its_asset_qs.filter(model__id__in=models)
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if categories:
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its_asset_qs = its_asset_qs.filter(category__id__in=categories)
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if filter_geom:
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its_asset_qs = its_asset_qs.filter(
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Q(geom__intersects=filter_geom) |
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Q(geom__isnull=True, location__geom__intersects=filter_geom) |
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Q(geom__isnull=True, location__isnull=True)
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)
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# Recherche plein texte
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if request.method == 'POST':
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from assets.views.core import apply_search
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its_asset_qs = apply_search(its_asset_qs, data)
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# --------- Limitation pour utilisateurs externes
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user = request.user
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if user.is_authenticated:
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try:
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user_config = user.config # OneToOne
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except UserConfig.DoesNotExist:
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user_config = None
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is_external = (user_config is None) or (not user_config.is_intern)
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must_limit = is_external and (not user_config or user_config.limit_assets_to_contracts)
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if must_limit:
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accessible_contract_ids = UserContractAccess.objects.filter(
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user_config=user_config,
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can_view_assets=True
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).values_list('contract_id', flat=True)
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# Ne garder que les assets qui ont un contrat actif
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# auquel l'utilisateur a accès
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its_asset_qs = its_asset_qs.filter(
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its_assets_contracts__status='active',
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its_assets_contracts__contract_id__in=accessible_contract_ids
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).distinct()
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else:
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# Non authentifié : ne rien exposer (plus sûr)
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its_asset_qs = its_asset_qs.none()
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# --------- Cap de sécurité
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its_asset_qs = its_asset_qs[0:MAX_ASSET_FEATURES+1]
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if len(its_asset_qs) >= MAX_ASSET_FEATURES:
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return JsonResponse({"error": f"{_("Trop d'objets à afficher")} (> {MAX_ASSET_FEATURES})"}, status=413)
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# --------- Construction GeoJSON
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features = []
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feature_count = 0
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for qs, asset_type in [
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(its_asset_qs, "itsgeoasset"),
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]:
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feature_count, limit_reached = add_assets_to_features(qs, asset_type, features, feature_count)
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if limit_reached:
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return JsonResponse({
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"error": f"{_("Trop d'objets à afficher")} (> {MAX_ASSET_FEATURES}). {_("Limitez votre sélection.")}"
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}, status=413)
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features = sorted(features, key=lambda f: f["properties"]["code"])
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geojson_data = {
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"type": "FeatureCollection",
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"features": features,
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}
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return JsonResponse(geojson_data, safe=False)
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@check_thematic_access('its')
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def its_locations_detail(request, location_id):
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# Préfetch (réduction N+1) : ASSETS + enfants (2 niveaux)
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location = (
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ITSLocation.objects
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.prefetch_related(
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Prefetch(
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'assets',
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queryset=ITSGeoAsset.objects.filter(status='active').order_by('code')
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),
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'child_locations__assets',
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'child_locations__child_locations',
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)
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.get(pk=location_id)
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)
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# 1) Construire la liste des ids (location + enfants)
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def collect_ids(loc):
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ids = [loc.id]
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for child in loc.child_locations.all().order_by('code'):
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ids.extend(collect_ids(child))
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return ids
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all_loc_ids = collect_ids(location)
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# 2) Récupérer en bloc tous les liens GFK pour ces ids
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ct_sl = ContentType.objects.get_for_model(ITSLocation)
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links = (
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InterventionLocation.objects
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.filter(content_type=ct_sl, object_id__in=all_loc_ids)
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.select_related('intervention')
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)
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# 3) Indexer par location_id → [interventions...]
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by_loc = defaultdict(list)
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for link in links:
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by_loc[link.object_id].append(link.intervention)
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# 4) Arbre
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def build_tree(loc):
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return {
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'loc': loc,
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'assets': list(loc.assets.all().order_by('code')),
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'interventions': by_loc.get(loc.id, []),
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'children': [build_tree(child) for child in loc.child_locations.all().order_by('code')],
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}
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tree = build_tree(location)
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# 5) Aplatir les interventions de l’arbre (sans doublons) + tri global desc. par code
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def flatten_interventions(node):
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seen = set()
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out = []
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def walk(n):
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for itv in n['interventions']:
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if itv.pk not in seen:
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seen.add(itv.pk)
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out.append(itv)
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for c in n['children']:
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walk(c)
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walk(node)
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return out
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||
interventions = sorted(
|
||
flatten_interventions(tree),
|
||
key=lambda itv: itv.creation_time,
|
||
reverse=True
|
||
)
|
||
|
||
# 6) Assets + documents
|
||
assets = location.get_active_assets()
|
||
|
||
docs = list(location.documents.filter(status='active').order_by('-id'))
|
||
for doc in docs:
|
||
doc._delete_url = reverse('assets:its_location_delete_document', args=[doc.id])
|
||
|
||
# 7) Géométrie 4326 (main_location fallback)
|
||
if location.geom:
|
||
location_geom_4326 = location.geom.transform(4326, clone=True)
|
||
else:
|
||
location_geom_4326 = None
|
||
|
||
geom = json.loads(location_geom_4326.geojson) if location_geom_4326 else None
|
||
|
||
return render(request, "assets/its_location_detail.html", {
|
||
"location": location,
|
||
"interventions": interventions, # toutes les interventions de l’arbre
|
||
"assets": assets,
|
||
"documents": docs,
|
||
"add_document_form": ITSLocationDocumentForm(),
|
||
"geom": geom,
|
||
"location_tree": tree, # contient interventions par nœud
|
||
})
|
||
|
||
|
||
|
||
@check_thematic_access('its')
|
||
def its_assets_detail(request, asset_model, asset_id):
|
||
try:
|
||
# Récupérer le ContentType pour le modèle fourni
|
||
content_type = ContentType.objects.get(model=asset_model)
|
||
model_class = content_type.model_class()
|
||
except ContentType.DoesNotExist:
|
||
raise Http404(f"Modèle '{asset_model}' inconnu.")
|
||
|
||
# Récupérer l’objet asset
|
||
asset = get_object_or_404(model_class, id=asset_id)
|
||
|
||
# Choisir dynamiquement le template à utiliser
|
||
template_name = f"its/detail_{asset_model}.html"
|
||
|
||
# Si le template spécifique n’existe pas, tu peux fallback vers un template générique :
|
||
from django.template.loader import select_template
|
||
try:
|
||
template = select_template([template_name, "assets/detail_generic.html"])
|
||
except:
|
||
raise Http404(_("Aucun template trouvé pour ce type d’asset."))
|
||
|
||
# Get edit context
|
||
from assets.views.core import get_asset_edit_context
|
||
context = {
|
||
"asset": asset,
|
||
"content_type": content_type,
|
||
}
|
||
context.update(get_asset_edit_context(request, asset, content_type))
|
||
|
||
# Override thematic_code for its
|
||
context['thematic_code'] = 'its'
|
||
|
||
return render(request, template.template.name, context)
|
||
|
||
|
||
|
||
|
||
# Appelle la fonction PostgreSQL unaccent(...)
|
||
class Unaccent(Func):
|
||
function = 'public.unaccent_immutable'
|
||
output_field = CharField()
|
||
|
||
def strip_accents_lower(s: str) -> str:
|
||
if not s:
|
||
return ''
|
||
s = ''.join(c for c in unicodedata.normalize('NFD', s) if unicodedata.category(c) != 'Mn')
|
||
return s.lower()
|
||
|
||
|
||
|
||
def get_descendant_location_ids(root_location_id: int) -> list[int]:
|
||
"""
|
||
Récupère l'id de la localisation racine + tous ses descendants (FK parent_location) via un CTE récursif.
|
||
Nécessite PostgreSQL.
|
||
"""
|
||
# Récupérer dynamiquement le nom de la table depuis le modèle Django
|
||
table_name = ITSLocation._meta.db_table
|
||
|
||
with connection.cursor() as cur:
|
||
cur.execute(f"""
|
||
WITH RECURSIVE loc_tree AS (
|
||
SELECT id
|
||
FROM {table_name}
|
||
WHERE id = %s
|
||
UNION ALL
|
||
SELECT sl.id
|
||
FROM {table_name} sl
|
||
JOIN loc_tree lt ON sl.parent_location_id = lt.id
|
||
)
|
||
SELECT id FROM loc_tree;
|
||
""", [root_location_id])
|
||
rows = cur.fetchall()
|
||
return [r[0] for r in rows]
|
||
|
||
|
||
@require_GET
|
||
def its_assets_autocomplete(request):
|
||
raw_query_original = (request.GET.get('q') or '')
|
||
raw_query = raw_query_original.strip()
|
||
|
||
# CT ids (calculés une fois)
|
||
equipment_ct_id = ContentType.objects.get_for_model(ITSGeoAsset).id
|
||
location_ct_id = ContentType.objects.get_for_model(ITSLocation).id
|
||
|
||
qn = strip_accents_lower(raw_query)
|
||
has_search_term = len(qn) > 0
|
||
|
||
# filtres optionnels
|
||
location_id = request.GET.get('location_id')
|
||
category_id = request.GET.get('asset_category')
|
||
try:
|
||
category_id = int(category_id)
|
||
except (TypeError, ValueError):
|
||
category_id = None
|
||
|
||
# si location fournie, calcule l'ensemble {location + descendants}
|
||
location_ids = None
|
||
if location_id:
|
||
try:
|
||
location_ids = get_descendant_location_ids(int(location_id))
|
||
except Exception:
|
||
# en cas d'ID invalide ou autre, on ignore le filtre
|
||
location_ids = None
|
||
|
||
# Base queryset accent-insensible + actifs uniquement
|
||
qs = (
|
||
ITSGeoAsset.objects
|
||
.annotate(
|
||
code_u=Lower(Unaccent('code')),
|
||
name_fr_u=Lower(Unaccent('name_fr')),
|
||
name_nl_u=Lower(Unaccent('name_nl')),
|
||
)
|
||
)
|
||
|
||
# Si un terme de recherche est fourni, filtrer dessus
|
||
if has_search_term:
|
||
qs = qs.filter(
|
||
Q(code_u__contains=qn) |
|
||
Q(name_fr_u__contains=qn) |
|
||
Q(name_nl_u__contains=qn)
|
||
)
|
||
|
||
qs = qs.exclude(status='removed') # <-- exclure les supprimés
|
||
qs = qs.select_related(
|
||
'location',
|
||
'model',
|
||
'category',
|
||
)
|
||
|
||
if location_ids:
|
||
qs = qs.filter(location_id__in=location_ids)
|
||
if category_id is not None:
|
||
qs = qs.filter(
|
||
Q(category_id=category_id) |
|
||
Q(category__isnull=True, model__category_id=category_id)
|
||
)
|
||
|
||
|
||
# Priorité : exact > code startswith > nom startswith > contient
|
||
if has_search_term:
|
||
priority = Case(
|
||
When(code_u=qn, then=0),
|
||
When(code_u__startswith=qn, then=1),
|
||
When(name_fr_u__startswith=qn, then=2),
|
||
When(name_nl_u__startswith=qn, then=3),
|
||
When(code_u__contains=qn, then=4),
|
||
When(name_fr_u__contains=qn, then=5),
|
||
When(name_nl_u__contains=qn, then=6),
|
||
default=7,
|
||
output_field=IntegerField(),
|
||
)
|
||
qs = qs.annotate(_prio=priority).order_by('_prio', 'code')[:100]
|
||
else:
|
||
# Sans terme de recherche, tri par code uniquement
|
||
qs = qs.order_by('code')[:100]
|
||
|
||
data = []
|
||
for a in qs:
|
||
# equipment_type depuis model/category
|
||
equipment_type = None
|
||
if getattr(a, 'model', None):
|
||
equipment_type = getattr(a.model, 'name', None) or getattr(a.model, 'code', None)
|
||
if not equipment_type and getattr(a, 'category', None):
|
||
equipment_type = getattr(a.category, 'name', None)
|
||
|
||
# coordonnées: asset > geom(4326) > location
|
||
lon = a.lon
|
||
lat = a.lat
|
||
|
||
if (lon is None or lat is None) and getattr(a, 'geom', None):
|
||
try:
|
||
g = a.geom
|
||
if g.srid and g.srid != 4326:
|
||
g = a.geom.transform(4326, clone=True)
|
||
coords = getattr(g, 'coords', None)
|
||
if coords:
|
||
if lon is None: lon = coords[0]
|
||
if lat is None: lat = coords[1]
|
||
except Exception:
|
||
pass
|
||
|
||
if (lon is None or lat is None) and getattr(a, 'location', None):
|
||
if lon is None and getattr(a.location, 'lon', None) is not None:
|
||
lon = a.location.lon
|
||
if lat is None and getattr(a.location, 'lat', None) is not None:
|
||
lat = a.location.lat
|
||
|
||
|
||
equipment_label = f"{a.get_name()} ({a.code})" if a.code else a.get_name()
|
||
label = f"{a.code} - {equipment_label}" if a.code else equipment_label
|
||
|
||
location_label = (
|
||
f"{a.location.get_name()} ({a.location.code})"
|
||
if getattr(a, "location", None) else None
|
||
)
|
||
|
||
data.append({
|
||
"id": a.id,
|
||
"label": label,
|
||
|
||
"equipment_id": a.id,
|
||
"equipment_label": equipment_label,
|
||
"equipment_type": equipment_type,
|
||
"equipment_ct": equipment_ct_id,
|
||
|
||
"location_id": a.location.id if getattr(a, "location", None) else None,
|
||
"location_label": location_label,
|
||
"location_ct": location_ct_id,
|
||
|
||
"lon": lon,
|
||
"lat": lat,
|
||
})
|
||
|
||
return JsonResponse(data, safe=False)
|
||
|
||
|
||
|
||
@check_thematic_access('its', edit_permission_required=True)
|
||
@require_POST
|
||
def its_location_add_document(request, location_id):
|
||
location = get_object_or_404(ITSLocation, pk=location_id)
|
||
count = int(request.POST.get('file_count', 0))
|
||
files = request.FILES.getlist('files')
|
||
|
||
for i in range(count):
|
||
file = files[i]
|
||
document_type = request.POST.get(f'document_type_{i}', 'other')
|
||
|
||
ITSLocationDocument.objects.create(
|
||
location=location,
|
||
file=file,
|
||
document_type=document_type,
|
||
uploaded_by = request.user
|
||
)
|
||
return redirect('assets:its_locations_detail', location_id=location.id)
|
||
|
||
|
||
@check_thematic_access('its', edit_permission_required=True)
|
||
@require_POST
|
||
def its_location_delete_document(request, document_id):
|
||
document = get_object_or_404(ITSLocationDocument, id=document_id)
|
||
location_id = document.location.id
|
||
|
||
# Suppression du fichier si nécessaire (en plus de l'objet DB)
|
||
if document.file:
|
||
document.file.delete(save=False)
|
||
if document.thumbnail:
|
||
document.thumbnail.delete(save=False)
|
||
|
||
document.delete()
|
||
|
||
if request.headers.get('X-Requested-With') == 'XMLHttpRequest':
|
||
return JsonResponse({'success': True})
|
||
return redirect('assets:its_locations_detail', location_id=location_id)
|
||
|
||
|
||
|
||
|
||
|
||
def _compute_depth(loc, cache):
|
||
"""Nombre d'ancêtres via parent_location (racine => profondeur 0)."""
|
||
if loc is None:
|
||
return -1
|
||
if loc.id in cache:
|
||
return cache[loc.id]
|
||
depth = 0
|
||
cur = loc
|
||
# NB: select_related('parent_location') limite les accès DB au 1er parent,
|
||
# mais on mémorise au fur et à mesure pour éviter les recalculs.
|
||
while cur.parent_location_id:
|
||
if cur.parent_location_id in cache:
|
||
depth += (cache[cur.parent_location_id] + 1)
|
||
break
|
||
depth += 1
|
||
cur = cur.parent_location
|
||
cache[loc.id] = depth
|
||
return depth
|
||
|
||
def _pick_deepest(candidates):
|
||
"""Retourne l'objet avec profondeur max; tie-break sur .distance si présent."""
|
||
if not candidates:
|
||
return None
|
||
depth_cache = {}
|
||
best = None
|
||
best_key = None # (depth, -distance) car on veut depth max et distance min
|
||
for obj in candidates:
|
||
d = _compute_depth(obj, depth_cache)
|
||
# distance peut ne pas exister (cas 'covers'): on met None => tie-break neutre
|
||
dist_val = getattr(obj, 'distance', None)
|
||
# On inverse la distance pour que 'min' devienne un tie-break correct
|
||
key = (d, -float(dist_val.m) if dist_val is not None else 0.0)
|
||
if best is None or key > best_key:
|
||
best, best_key = obj, key
|
||
return best
|
||
|
||
@require_GET
|
||
def get_nearest_its_location(request):
|
||
try:
|
||
lon = float(request.GET.get('lon'))
|
||
lat = float(request.GET.get('lat'))
|
||
except (TypeError, ValueError):
|
||
return JsonResponse({"error": "Coordonnées invalides"}, status=400)
|
||
|
||
user_point = Point(lon, lat, srid=4326)
|
||
user_point.transform(3812)
|
||
|
||
# 1) Candidats qui couvrent le point (frontière incluse)
|
||
covering_qs = (
|
||
ITSLocation.objects
|
||
.filter(geom__isnull=False, geom__covers=user_point)
|
||
.select_related('parent_location') # aide pour la 1ère montée de parent
|
||
)
|
||
covering = list(covering_qs)
|
||
chosen = _pick_deepest(covering)
|
||
|
||
# 2) Fallback: candidats dans un rayon de 50 m
|
||
if chosen is None:
|
||
nearby_qs = (
|
||
ITSLocation.objects
|
||
.filter(geom__isnull=False)
|
||
.annotate(distance=Distance('geom', user_point))
|
||
.filter(distance__lte=50)
|
||
.select_related('parent_location')
|
||
)
|
||
nearby = list(nearby_qs)
|
||
chosen = _pick_deepest(nearby)
|
||
|
||
if not chosen:
|
||
return JsonResponse({"error": _("Aucune localisation trouvée")}, status=404)
|
||
|
||
location_ct_id = ContentType.objects.get_for_model(chosen).id
|
||
return JsonResponse({
|
||
"location_id": chosen.id,
|
||
"location_ct": location_ct_id,
|
||
"location_label": f"{chosen.code} - {chosen.get_name()}",
|
||
"lon": chosen.lon,
|
||
"lat": chosen.lat,
|
||
})
|
||
|