from django.views.generic import ListView, DetailView from django.http import JsonResponse from django.contrib.admin.views.decorators import staff_member_required from django.utils import timezone from apps.core.views import CMSPageMixin, CMSDetailView, CMSListView, CMSObjectMixin from .models import NewsCategory, NewsArticle, Event from traduction.helpers import TranslatedViewMixin, prefetch_translations from config.models import Icon class NewsListView(CMSPageMixin, TranslatedViewMixin, ListView): """ Liste des actualites avec traduction automatique. Utilise le template CMS si une page 'actualites' existe. Les champs title, content sont automatiquement traduits selon la langue selectionnee par l'utilisateur. """ model = NewsArticle template_name = 'news/list.html' context_object_name = 'articles' paginate_by = 12 translate_fields = ['title', 'content'] cms_page_slug = 'actualites' def get_queryset(self): queryset = NewsArticle.objects.filter(is_published=True).select_related( 'category', 'author' ) # Filtrage par categorie category = self.request.GET.get('category') if category: queryset = queryset.filter(category__slug=category) # Traduire les articles articles = self.translate_queryset(queryset) # Traduire les categories liees lang_code = self.get_current_language_code() categories = [a.category for a in articles if a.category] if categories: unique_cats = list({c.pk: c for c in categories}.values()) prefetch_translations(unique_cats, language_code=lang_code) cat_map = {c.pk: c for c in unique_cats} for article in articles: if article.category and article.category.pk in cat_map: article.category = cat_map[article.category.pk] return articles def get_context_data(self, **kwargs): # Charger la page CMS self._cms_page = self.get_cms_page() context = super().get_context_data(**kwargs) lang_code = self.get_current_language_code() # Ajouter la page CMS au contexte if self._cms_page: context['page'] = self._cms_page context['cms_page'] = self._cms_page # Categories avec traductions categories = list(NewsCategory.objects.filter(is_active=True)) prefetch_translations(categories, language_code=lang_code) context['categories'] = categories # Article a la une avec traductions featured = NewsArticle.objects.filter( is_published=True, is_featured=True ).select_related('category').first() if featured: prefetch_translations([featured], language_code=lang_code) if featured.category: prefetch_translations([featured.category], language_code=lang_code) context['featured_article'] = featured # Evenements a venir avec traductions events = list(Event.objects.filter( is_active=True, event_date__gte=timezone.now() ).select_related('event_type')[:5]) prefetch_translations(events, language_code=lang_code) context['upcoming_events'] = events context['current_category'] = self.request.GET.get('category', '') return context class NewsDetailView(CMSObjectMixin, TranslatedViewMixin, DetailView): """ Detail d'un article avec traduction automatique. Utilise la Page CMS associee a l'article si disponible, sinon utilise le template par defaut. """ model = NewsArticle template_name = 'news/detail.html' context_object_name = 'article' translate_fields = ['title', 'content', 'meta_description'] def get_queryset(self): return NewsArticle.objects.filter(is_published=True).select_related( 'category', 'author', 'cms_page' ).prefetch_related('related_projects', 'related_people') def get_object(self, queryset=None): obj = super().get_object(queryset) # Incrementer le compteur de vues obj.view_count += 1 obj.save(update_fields=['view_count']) # Traduire l'objet et sa categorie lang_code = self.get_current_language_code() self.translate_object(obj) if obj.category: prefetch_translations([obj.category], language_code=lang_code) return obj def get_context_data(self, **kwargs): context = super().get_context_data(**kwargs) lang_code = self.get_current_language_code() # Articles similaires (meme categorie) avec traductions related = list(NewsArticle.objects.filter( category=self.object.category, is_published=True ).exclude(pk=self.object.pk).select_related('category')[:3]) prefetch_translations(related, language_code=lang_code) context['related_articles'] = related return context class EventListView(CMSPageMixin, TranslatedViewMixin, ListView): """ Liste des evenements avec traduction automatique. Utilise le template CMS si une page 'evenements' existe. """ model = Event template_name = 'news/events.html' context_object_name = 'events' translate_fields = ['title', 'description', 'short_description', 'location'] cms_page_slug = 'evenements' def get_queryset(self): queryset = Event.objects.filter(is_active=True).select_related( 'host_university', 'event_type' ) # Filtrage par type event_type = self.request.GET.get('type') if event_type: queryset = queryset.filter(event_type=event_type) # Filtrage passe/futur period = self.request.GET.get('period', 'upcoming') if period == 'past': queryset = queryset.filter(event_date__lt=timezone.now()).order_by('-event_date') else: queryset = queryset.filter(event_date__gte=timezone.now()).order_by('event_date') # Traduire les evenements events = self.translate_queryset(queryset) # Traduire les types d'evenements lies lang_code = self.get_current_language_code() event_types = [e.event_type for e in events if e.event_type] if event_types: unique_types = list({t.pk: t for t in event_types}.values()) prefetch_translations(unique_types, language_code=lang_code) type_map = {t.pk: t for t in unique_types} for event in events: if event.event_type and event.event_type.pk in type_map: event.event_type = type_map[event.event_type.pk] return events def get_context_data(self, **kwargs): # Charger la page CMS self._cms_page = self.get_cms_page() context = super().get_context_data(**kwargs) lang_code = self.get_current_language_code() # Ajouter la page CMS au contexte if self._cms_page: context['page'] = self._cms_page context['cms_page'] = self._cms_page context['current_type'] = self.request.GET.get('type', '') context['current_period'] = self.request.GET.get('period', 'upcoming') # Evenements mis en avant avec traductions featured = list(Event.objects.filter( is_active=True, is_featured=True, event_date__gte=timezone.now() ).select_related('event_type')[:3]) prefetch_translations(featured, language_code=lang_code) context['featured_events'] = featured return context class EventDetailView(CMSObjectMixin, TranslatedViewMixin, DetailView): """ Detail d'un evenement avec traduction automatique. Utilise la Page CMS associee a l'evenement si disponible. """ model = Event template_name = 'news/event_detail.html' context_object_name = 'event' translate_fields = ['title', 'description', 'short_description', 'location'] def get_queryset(self): return Event.objects.filter(is_active=True).select_related( 'host_university', 'event_type', 'cms_page' ) def get_object(self, queryset=None): obj = super().get_object(queryset) # Traduire le type d'evenement lang_code = self.get_current_language_code() if obj.event_type: prefetch_translations([obj.event_type], language_code=lang_code) return obj # ============================================================================= # Vues Admin (AJAX) # ============================================================================= @staff_member_required def icon_preview_ajax(request, icon_id): """ Vue AJAX pour recuperer les informations d'une icone. Utilisee pour l'apercu dynamique dans l'admin. """ try: icon = Icon.objects.select_related('group').get(pk=icon_id) return JsonResponse({ 'success': True, 'icon_class': f'{icon.group.libelle} {icon.libelle}', 'group': icon.group.libelle, 'libelle': icon.libelle, }) except Icon.DoesNotExist: return JsonResponse({ 'success': False, 'error': 'Icone introuvable' }, status=404)