loko/streetup/assets/views/controlcenters.py
2026-07-22 14:48:40 +02:00

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# ---------------------
# Control Centers Views
# ---------------------
from django.shortcuts import render, get_object_or_404, redirect
from django.http import JsonResponse, Http404
from django.views.decorators.http import require_GET, require_POST
from django.contrib.gis.db.models.functions import Transform
from django.contrib.gis.geos import GEOSGeometry
from django.contrib.contenttypes.models import ContentType
from django.db.models import Q, Case, When, IntegerField, CharField
from django.db.models.functions import Lower
from django.db.models import Func, Prefetch
from django.db import connection
from django.template.loader import render_to_string
from django.utils.translation import get_language, gettext as _
import unicodedata
import json
from collections import defaultdict
from common.utils import check_thematic_access
from common.models import Thematic, UserConfig, UserContractAccess, UserThematics
from assets.models import ControlCenter, ControlCenterLocation, ControlCenterGeoAsset, ControlCenterAssetModel, ControlCenterDocument, AssetCategory
from assets.forms import ControlCenterDocumentForm
from interventions.models import InterventionLocation
from interventions.views.drafts import InterventionDraftManager
@check_thematic_access('controlcenters')
def controlcenters_index(request):
thematic = 'controlcenters'
lang = get_language()
# Get filters from URL
statuses = request.GET.getlist('status')
selected_is_main_location = request.GET.get('is_main_location')
selected_categories = request.GET.getlist('category')
selected_models = request.GET.getlist('model')
# Get preventive draft ID (if any) for selecting assets
preventive_draft_id = request.GET.get('preventive_draft_id')
if preventive_draft_id:
drafts = InterventionDraftManager(request.session)
draft_data = drafts.get(preventive_draft_id)
form_data = draft_data.get('form_data', {})
preventive_element_type = form_data.get('type_of_selected_elements')
if preventive_element_type == 'assets':
selected_assets = draft_data.get('assets', []) or []
else:
selected_locations_ids = draft_data.get('locations', [])
thematic_choices_qs = (
UserThematics.objects
.filter(user_config=request.user.config, can_view_assets=True)
.select_related('thematic')
.order_by(f'thematic__{"name_nl" if lang == "nl" else "name_fr"}')
)
thematics = [tc.thematic for tc in thematic_choices_qs]
selected_thematic = {
"code": thematic,
"name": next((t.name for t in thematics if t.code == thematic), None),
"icon": next((t.icon for t in thematics if t.code == thematic), None),
}
categories = list(AssetCategory.objects.filter(thematic__code = 'controlcenters'))
categories.sort(key=lambda m: m.get_name().lower())
category_choices = [(m.id, m.get_name()) for m in categories]
models = list(ControlCenterAssetModel.objects.all())
models.sort(key=lambda m: (m.get_name() or "").lower())
model_choices = [(m.id, m.get_name()) for m in models]
category_model_map = defaultdict(list)
models = ControlCenterAssetModel.objects.all()
for model in models:
if model.category:
display_name = model.get_name()
category_model_map[str(model.category_id)].append({
"key": str(model.id),
"label": display_name,
})
context = {
'thematics': thematics,
'category_choices': category_choices,
'model_choices': model_choices,
'category_model_map': dict(category_model_map),
'status_choices': ControlCenterGeoAsset._meta.get_field('status').choices,
'selected_thematic': selected_thematic,
'selected_is_main_location': selected_is_main_location,
'selected_categories': selected_categories,
'selected_models': selected_models,
'selected_statuses': statuses,
'preventive_draft_id': preventive_draft_id,
'preventive_element_type': preventive_element_type if 'preventive_element_type' in locals() else '',
'selected_locations_ids': selected_locations_ids if 'selected_locations_ids' in locals() else [],
"selected_assets_json": json.dumps(selected_assets) if 'selected_assets' in locals() else [],
"locations_tab_title": _("Localisations"),
"locations_assets_title": _("Assets"),
}
return render(request, "assets/controlcenters_index.html", context)
def controlcenters_locations(request):
pass
def controlcenters_assets(request):
pass
def ensure_list(value):
if isinstance(value, list):
return value
if value is None:
return []
return [value]
@check_thematic_access('controlcenters')
def controlcenters_locations_geojson(request):
if request.method == "POST":
try:
data = json.loads(request.body)
except json.JSONDecodeError:
return JsonResponse({"error": "Invalid JSON"}, status=400)
is_main_location = data.get('is_main_location')
filter_geom_raw = data.get("filter_geom")
if filter_geom_raw:
try:
filter_geom = GEOSGeometry(json.dumps(filter_geom_raw['geometry']), srid=4326)
filter_geom.transform(3812)
except Exception as e:
return JsonResponse({"error": f"Invalid geometry: {str(e)}"}, status=400)
else:
filter_geom = None
else:
is_main_location = request.GET.get('is_main_location')
filter_geom = None
# --------- Point d'entrée du queryset
controlcenters_locations = ControlCenterLocation.objects.select_related('control_center').all()
# --------- Filtre par localisation principale
if is_main_location:
val = is_main_location.lower()
if val == 'true':
controlcenters_locations = controlcenters_locations.filter(is_main_location=True)
elif val == 'false':
controlcenters_locations = controlcenters_locations.filter(is_main_location=False)
# --------- Filtre géométrique
if filter_geom:
controlcenters_locations = controlcenters_locations.filter(geom__intersects=filter_geom)
# --------- Limitation pour utilisateurs externes
user = request.user
if user.is_authenticated:
try:
user_config = user.config # OneToOne UserConfig
except UserConfig.DoesNotExist:
user_config = None
# externe = pas interne ; on tient aussi compte du flag limit_assets_to_contracts
is_external = (user_config is None) or (not user_config.is_intern)
must_limit = is_external and (not user_config or user_config.limit_assets_to_contracts)
if must_limit:
# contrats accessibles à l'utilisateur (idéalement avec droit "assets")
accessible_contract_ids = UserContractAccess.objects.filter(
user_config=user_config,
can_view_assets=True # champ prévu dans la table d'accès contrat
).values_list('contract_id', flat=True)
# Ne garder que les locations dont le centre de contrôle a un contrat actif lié à ces contrats
controlcenters_locations = controlcenters_locations.filter(
control_center__controlcenters_contracts__status='active', # ControlCenterContract.status
control_center__controlcenters_contracts__contract_id__in=accessible_contract_ids # FK contract
).distinct()
else:
# Non authentifié : ne rien exposer (option sûre)
controlcenters_locations = controlcenters_locations.none()
# Recherche plein texte
if request.method == 'POST':
from assets.views.core import apply_search
controlcenters_locations = apply_search(controlcenters_locations, data)
# --------- Conversion en GeoJSON
def obj_to_feature(obj):
geometry = json.loads(obj.geojson) if obj.geojson else None # AbstractLocation.geojson # :contentReference[oaicite:16]{index=16}
return {
"type": "Feature",
"id": obj.id,
"geometry": geometry,
"properties": {
"code": obj.code,
"control_center": obj.control_center.get_name() if obj.control_center else "-",
"name": obj.get_name(),
"lon": obj.lon,
"lat": obj.lat,
"detail_url": obj.get_absolute_url() if hasattr(obj, 'get_absolute_url') else None,
"element_type": "Centre de contrôle",
"thematic": "controlcenters",
"is_location": True,
}
}
features = []
for location in controlcenters_locations.order_by('control_center__code', 'code'):
features.append(obj_to_feature(location))
geojson_data = {
"type": "FeatureCollection",
"features": features,
}
return JsonResponse(geojson_data, safe=False)
MAX_ASSET_FEATURES = 5000 # limite imposée
@check_thematic_access('controlcenters')
def controlcenters_assets_geojson(request):
if request.method == "POST":
try:
data = json.loads(request.body)
except json.JSONDecodeError:
return JsonResponse({"error": "Invalid JSON"}, status=400)
controlcenter_location_ids = data.get('locations_ids', [])
statuses = data.get('asset_status', [])
begin_date = data.get('asset_begin_date')
categories = ensure_list(data.get('category'))
models = ensure_list(data.get('model'))
# Récupération et parsing de la géométrie
filter_geom_raw = data.get("filter_geom")
if filter_geom_raw:
try:
filter_geom = GEOSGeometry(json.dumps(filter_geom_raw['geometry']), srid=4326)
filter_geom.transform(3812)
except Exception as e:
return JsonResponse({"error": f"Invalid geometry: {str(e)}"}, status=400)
else:
filter_geom = None
else:
controlcenter_location_id = request.GET.get('location')
controlcenter_location_ids = [controlcenter_location_id] if controlcenter_location_id else []
statuses = request.GET.getlist('asset_status')
begin_date = request.GET.get('asset_begin_date')
categories = request.GET.getlist('category', [])
models = request.GET.getlist('model', [])
filter_geom = None
# Pas de paramètres = pas de carte (comportement existant conservé)
_search_q = (data.get('q') or '').strip() if request.method == 'POST' else ''
if not request.GET.get('unified') and not controlcenter_location_ids and not categories and not models and not filter_geom and not _search_q:
geojson_data = {"type": "FeatureCollection", "features": []}
return JsonResponse(geojson_data)
from assets.views.core import get_element_type_label
def build_geometry_and_coords(obj):
geometry = None
if obj.geojson:
try:
geometry = json.loads(obj.geojson)
except (TypeError, ValueError, json.JSONDecodeError):
geometry = None
lon = obj.lon
lat = obj.lat
if lon is None or lat is None:
location = getattr(obj, 'location', None)
if location is not None:
if lon is None:
lon = getattr(location, 'lon', None)
if lat is None:
lat = getattr(location, 'lat', None)
if geometry is None and lon is not None and lat is not None:
geometry = {
"type": "Point",
"coordinates": [lon, lat],
}
return geometry, lon, lat
def obj_to_feature(obj, asset_type=None):
geometry, lon, lat = build_geometry_and_coords(obj)
return {
"type": "Feature",
"id": obj.id,
"geometry": geometry,
"properties": {
"code": obj.code,
"name": obj.get_name(),
"category": obj.category.get_name() if obj.category else None,
"model": obj.model.get_name() if obj.model else None,
"status": obj.status,
"validation_status": obj.validation_status,
"lon": lon,
"lat": lat,
"asset_type": asset_type,
"detail_url": obj.get_absolute_url() if hasattr(obj, 'get_absolute_url') else None,
"element_type": get_element_type_label(asset_type or ''),
"thematic": "controlcenters",
"is_location": False,
},
}
def add_assets_to_features(queryset, asset_type, features, feature_count):
for obj in queryset:
if feature_count >= MAX_ASSET_FEATURES:
return feature_count, True # early stop
features.append(obj_to_feature(obj, asset_type=asset_type))
feature_count += 1
return feature_count, False
# --------- Query de base + optimisations
controlcenter_asset_qs = (
ControlCenterGeoAsset.objects
.select_related('location', 'location__control_center', 'category', 'model')
.all()
)
# --------- Filtres métier existants
if controlcenter_location_ids:
controlcenter_asset_qs = controlcenter_asset_qs.filter(location__id__in=controlcenter_location_ids)
if models:
controlcenter_asset_qs = controlcenter_asset_qs.filter(model__id__in=models)
if categories:
controlcenter_asset_qs = controlcenter_asset_qs.filter(category__id__in=categories)
if filter_geom:
controlcenter_asset_qs = controlcenter_asset_qs.filter(
Q(geom__intersects=filter_geom) |
Q(geom__isnull=True, location__geom__intersects=filter_geom)
)
# Recherche plein texte
if request.method == 'POST':
from assets.views.core import apply_search
controlcenter_asset_qs = apply_search(controlcenter_asset_qs, data)
# --------- Limitation pour utilisateurs externes
user = request.user
if user.is_authenticated:
try:
user_config = user.config # OneToOne
except UserConfig.DoesNotExist:
user_config = None
is_external = (user_config is None) or (not user_config.is_intern)
must_limit = is_external and (not user_config or user_config.limit_assets_to_contracts)
if must_limit:
accessible_contract_ids = UserContractAccess.objects.filter(
user_config=user_config,
can_view_assets=True
).values_list('contract_id', flat=True)
# Ne garder que les assets qui ont un contrat actif
# auquel l'utilisateur a accès
controlcenter_asset_qs = controlcenter_asset_qs.filter(
controlcenters_assets_contracts__status='active',
controlcenters_assets_contracts__contract_id__in=accessible_contract_ids
).distinct()
else:
# Non authentifié : ne rien exposer (plus sûr)
controlcenter_asset_qs = controlcenter_asset_qs.none()
# --------- Cap de sécurité
controlcenter_asset_qs = controlcenter_asset_qs[0:MAX_ASSET_FEATURES+1]
if len(controlcenter_asset_qs) >= MAX_ASSET_FEATURES:
return JsonResponse(
{
"error": _("Trop d'objets à afficher (> %(max)d)") % {"max": MAX_ASSET_FEATURES}
},
status=413,
)
# --------- Construction GeoJSON
features = []
feature_count = 0
for qs, asset_type in [
(controlcenter_asset_qs, "controlcentergeoasset"),
]:
feature_count, limit_reached = add_assets_to_features(qs, asset_type, features, feature_count)
if limit_reached:
return JsonResponse({
"error": _("Trop d'objets à afficher (> %(max)d). Limitez votre sélection.") % {"max": MAX_ASSET_FEATURES}
}, status=413)
features = sorted(features, key=lambda f: f["properties"]["code"])
geojson_data = {
"type": "FeatureCollection",
"features": features,
}
return JsonResponse(geojson_data, safe=False)
@check_thematic_access('controlcenters')
def controlcenters_locations_detail(request, location_id):
# Préfetch (réduction N+1) : ASSETS + enfants (2 niveaux)
location = (
ControlCenterLocation.objects
.prefetch_related(
Prefetch(
'assets',
queryset=ControlCenterGeoAsset.objects.filter(status='active').order_by('code')
),
'child_locations__assets',
'child_locations__child_locations',
)
.select_related('control_center')
.get(pk=location_id)
)
# 1) Construire la liste des ids (location + enfants)
def collect_ids(loc):
ids = [loc.id]
for child in loc.child_locations.all().order_by('code'):
ids.extend(collect_ids(child))
return ids
all_loc_ids = collect_ids(location)
# 2) Récupérer en bloc tous les liens GFK pour ces ids
ct_sl = ContentType.objects.get_for_model(ControlCenterLocation)
links = (
InterventionLocation.objects
.filter(content_type=ct_sl, object_id__in=all_loc_ids)
.select_related('intervention')
)
# 3) Indexer par location_id → [interventions...]
by_loc = defaultdict(list)
for link in links:
by_loc[link.object_id].append(link.intervention)
# 4) Arbre
def build_tree(loc):
return {
'loc': loc,
'assets': list(loc.assets.all().order_by('code')),
'interventions': by_loc.get(loc.id, []),
'children': [build_tree(child) for child in loc.child_locations.all().order_by('code')],
}
tree = build_tree(location)
# 5) Aplatir les interventions de l’arbre (sans doublons) + tri global desc. par code
def flatten_interventions(node):
seen = set()
out = []
def walk(n):
for itv in n['interventions']:
if itv.pk not in seen:
seen.add(itv.pk)
out.append(itv)
for c in n['children']:
walk(c)
walk(node)
return out
interventions = sorted(
flatten_interventions(tree),
key=lambda itv: itv.creation_time,
reverse=True
)
# 6) Assets + documents
assets = location.get_active_assets()
other_docs = location.control_center.documents.filter(document_type='other', status='active').order_by('-id')
# 7) Géométrie 4326 (main_location fallback)
if location.geom:
location_geom_4326 = location.geom.transform(4326, clone=True)
elif location.control_center.main_location and location.control_center.main_location.geom:
location_geom_4326 = location.control_center.main_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/controlcenters_location_detail.html", {
"location": location,
"interventions": interventions, # toutes les interventions de l’arbre
"assets": assets,
"other_documents": other_docs,
"add_document_form": ControlCenterDocumentForm(),
"geom": geom,
"location_tree": tree, # contient interventions par nœud
})
@check_thematic_access('controlcenters')
def controlcenters_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(_("Modèle '%(model)s' inconnu.") % {"model": asset_model})
# Récupérer l’objet asset
asset = get_object_or_404(model_class, id=asset_id)
# Choisir dynamiquement le template à utiliser
template_name = f"controlcenters/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 controlcenters
context['thematic_code'] = 'controlcenters'
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 = ControlCenterLocation._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 controlcenters_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(ControlCenterGeoAsset).id
location_ct_id = ContentType.objects.get_for_model(ControlCenterLocation).id
qn = strip_accents_lower(raw_query)
has_search_term = len(qn) > 0
# filtres optionnels
location_id = request.GET.get('location_id')
controlcenter_id = request.GET.get('controlcenter_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 = (
ControlCenterGeoAsset.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',
'location__control_center',
'control_center',
'control_center__main_location',
'model',
'category',
)
if location_ids:
qs = qs.filter(location_id__in=location_ids)
if controlcenter_id:
qs = qs.filter(control_center_id=controlcenter_id)
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 > controlcenter.main_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
main_loc = (a.control_center.main_location if getattr(a, 'control_center', None) and getattr(a.control_center, 'main_location', None)
else (a.location.control_center.main_location
if getattr(a, 'location', None) and getattr(a.location, 'control_center', None)
and getattr(a.location.control_center, 'main_location', None)
else None))
if (lon is None or lat is None) and main_loc:
if lon is None: lon = getattr(main_loc, 'lon', None)
if lat is None: lat = getattr(main_loc, 'lat', None)
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
)
struct = a.control_center or (a.location.control_center if getattr(a, "location", None) else None)
controlcenter_id_val = struct.id if struct else None
controlcenter_label = (f"{struct.get_name()} ({struct.code})" if struct 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,
"parent_ref_id": controlcenter_id_val,
"parent_ref_label": controlcenter_label,
"lon": lon,
"lat": lat,
})
return JsonResponse(data, safe=False)
@check_thematic_access('controlcenters', edit_permission_required=True)
@require_POST
def controlcenters_add_document(request, controlcenter_id):
controlcenter = get_object_or_404(ControlCenter, pk=controlcenter_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')
ControlCenterDocument.objects.create(
control_center=controlcenter,
file=file,
document_type=document_type,
uploaded_by = request.user
)
return redirect('assets:controlcenters_locations_detail', location_id=controlcenter.main_location.id)
@check_thematic_access('controlcenters', edit_permission_required=True)
@require_POST
def controlcenters_delete_document(request, document_id):
document = get_object_or_404(ControlCenterDocument, id=document_id)
controlcenter_location_id = document.control_center.main_location.id # pour rediriger vers la bonne page
# 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()
#messages.success(request, "Le document a été supprimé avec succès.")
return redirect('assets:controlcenters_locations_detail', location_id=controlcenter_location_id)