from django.contrib import admin from django.utils.html import format_html from django.urls import reverse from django.utils.safestring import mark_safe from django.db.models import Sum, Count from django.utils import timezone from django.contrib import messages from django.utils.translation import ngettext from .models import Member @admin.register(Member) class MemberAdmin(admin.ModelAdmin): """Administration avancée pour les membres de la coopérative.""" list_display = ( "user_email", "user_full_name", "role_in_cooperative", "membership_duration", "membership_fee_status", "shares_summary", "activity_status", "created_at", ) list_filter = ( "role_in_cooperative", "membership_start_date", "membership_end_date", "is_active", "created_at", "membership_fee_paid", ) search_fields = ( "user__email", "user__username", "user__first_name", "user__last_name", "phone_number", "id_card_number", ) readonly_fields = ( "id", "customer_ptr", "total_shares_subscribed", "total_shares_paid", "membership_duration", "shares_summary", "created_at", "updated_at", "view_user_link", "view_customer_link", ) fieldsets = ( ( "👤 Informations utilisateur", {"fields": ("view_user_link", "view_customer_link"), "classes": ("wide",)}, ), ( "🏢 Adhésion à la coopérative", { "fields": ( "role_in_cooperative", "membership_start_date", "membership_end_date", "membership_duration", "membership_fee_paid", ), "classes": ("wide",), }, ), ( "📊 Informations sur les parts", { "fields": ( "total_shares_subscribed", "total_shares_paid", "shares_summary", ), "classes": ("wide",), }, ), ( "🗂️ Métadonnées", { "fields": ( "id", "customer_ptr", "is_active", "created_at", "updated_at", "created_by", "updated_by", ), "classes": ("collapse",), }, ), ) filter_horizontal = ("identity_documents",) date_hierarchy = "membership_start_date" actions = ["extend_membership", "update_fees", "deactivate_members"] list_per_page = 25 # Méthodes d'affichage personnalisées def user_email(self, obj): """Affiche l'email de l'utilisateur avec lien.""" return format_html( '{}', reverse("admin:authentication_user_change", args=[obj.user.pk]), obj.user.email, ) user_email.short_description = "📧 Email" user_email.admin_order_field = "user__email" def user_full_name(self, obj): """Affiche le nom complet de l'utilisateur.""" if obj.user.first_name or obj.user.last_name: return f"{obj.user.first_name} {obj.user.last_name}".strip() return obj.user.username or "Nom non défini" user_full_name.short_description = "👤 Nom complet" user_full_name.admin_order_field = "user__last_name" def membership_duration(self, obj): """Calcule la durée d'adhésion.""" if obj.membership_start_date: end_date = obj.membership_end_date or timezone.now().date() duration = end_date - obj.membership_start_date years = duration.days // 365 months = (duration.days % 365) // 30 if years > 0: return f"{years} an{'s' if years > 1 else ''}" elif months > 0: return f"{months} mois" else: return f"{duration.days} jours" return "Non calculable" membership_duration.short_description = "⏱️ Durée adhésion" def membership_fee_status(self, obj): """Affiche le statut des frais d'adhésion avec couleur.""" try: if obj.membership_fee_paid and obj.membership_fee_paid > 0: # Convertir en nombre simple fee_amount = int(float(obj.membership_fee_paid)) html = ( '💰 {} FCFA' ) return format_html(html, fee_amount) return format_html('❌ Impayé') except (ValueError, TypeError) as e: return format_html('Erreur: {}', str(e)) membership_fee_status.short_description = "💰 Frais adhésion" def shares_summary(self, obj): """Résumé des parts souscrites vs payées.""" try: # Récupérer directement les valeurs numériques subscribed = ( int(obj.total_shares_subscribed) if obj.total_shares_subscribed else 0 ) paid = int(obj.total_shares_paid) if obj.total_shares_paid else 0 if subscribed == 0: return format_html('Aucune part') percentage = int((paid / subscribed * 100)) if subscribed > 0 else 0 if percentage == 100: color = "green" elif percentage > 50: color = "orange" else: color = "red" html = '📈 {}/{} ({}%)' return format_html(html, color, paid, subscribed, percentage) except (ValueError, TypeError, ZeroDivisionError) as e: return format_html('Erreur: {}', str(e)) shares_summary.short_description = "📊 Parts (payées/souscrites)" def activity_status(self, obj): """Affiche le statut d'activité avec icône.""" if obj.is_active: return format_html('✅ Actif') return format_html('❌ Inactif') activity_status.short_description = "🔄 Statut" def view_user_link(self, obj): """Lien vers la page d'administration de l'utilisateur.""" url = reverse("admin:authentication_user_change", args=[obj.user.pk]) return format_html( '👤 Voir l\'utilisateur', url, ) view_user_link.short_description = "Utilisateur lié" def view_customer_link(self, obj): """Lien vers le profil client.""" url = reverse("admin:customers_customer_change", args=[obj.pk]) return format_html( '🛒 Voir le profil client', url, ) view_customer_link.short_description = "Profil client" # Actions personnalisées def extend_membership(self, request, queryset): """Prolonge l'adhésion des membres sélectionnés d'un an.""" updated_count = 0 for member in queryset: if member.membership_end_date: member.membership_end_date = timezone.datetime( member.membership_end_date.year + 1, member.membership_end_date.month, member.membership_end_date.day, ).date() else: # Si pas de date de fin, on met dans un an member.membership_end_date = ( timezone.now().date().replace(year=timezone.now().date().year + 1) ) member.updated_by = request.user member.save() updated_count += 1 self.message_user( request, ngettext( "📅 L'adhésion de %d membre a été prolongée d'un an.", "📅 L'adhésion de %d membres a été prolongée d'un an.", updated_count, ) % updated_count, messages.SUCCESS, ) extend_membership.short_description = "📅 Prolonger l'adhésion d'un an" def update_fees(self, request, queryset): """Marque les frais d'adhésion comme payés.""" updated = queryset.update( membership_fee_paid=100.00, updated_by=request.user # Montant par défaut ) self.message_user( request, ngettext( "💰 Les frais d'adhésion de %d membre ont été mis à jour.", "💰 Les frais d'adhésion de %d membres ont été mis à jour.", updated, ) % updated, messages.SUCCESS, ) update_fees.short_description = "💰 Marquer frais comme payés" def deactivate_members(self, request, queryset): """Désactive les membres sélectionnés.""" updated = queryset.update(is_active=False, updated_by=request.user) self.message_user( request, ngettext( "🚫 %d membre a été désactivé.", "🚫 %d membres ont été désactivés.", updated, ) % updated, messages.SUCCESS, ) deactivate_members.short_description = "🚫 Désactiver les membres" # Optimisations def get_queryset(self, request): """Optimise les requêtes avec select_related.""" return ( super() .get_queryset(request) .select_related("user", "created_by", "updated_by") .prefetch_related("identity_documents") ) def save_model(self, request, obj, form, change): """Définit l'utilisateur qui effectue la modification.""" if not change: # Création obj.created_by = request.user obj.updated_by = request.user super().save_model(request, obj, form, change)