Files
n3wt-school/Back-End/GestionMessagerie/views.py
2025-05-29 15:09:22 +02:00

456 lines
19 KiB
Python

from rest_framework.views import APIView
from rest_framework.response import Response
from rest_framework import status
from rest_framework.parsers import MultiPartParser, FormParser
from django.db import models
from .models import Conversation, ConversationParticipant, Message, UserPresence
from Auth.models import Profile, ProfileRole
from GestionMessagerie.serializers import (
ConversationSerializer, MessageSerializer,
ConversationCreateSerializer, UserPresenceSerializer,
ProfileSimpleSerializer
)
from drf_yasg.utils import swagger_auto_schema
from drf_yasg import openapi
from django.utils import timezone
import os
import uuid
import logging
from django.core.files.storage import default_storage
from django.core.files.base import ContentFile
from django.db.models import Q
logger = logging.getLogger(__name__)
# ====================== MESSAGERIE INSTANTANÉE ======================
class InstantConversationListView(APIView):
"""
API pour lister les conversations instantanées d'un utilisateur
"""
@swagger_auto_schema(
operation_description="Liste les conversations instantanées d'un utilisateur",
responses={200: ConversationSerializer(many=True)}
)
def get(self, request, user_id=None):
try:
user = Profile.objects.get(id=user_id)
conversations = Conversation.objects.filter(
participants__participant=user,
participants__is_active=True,
is_active=True
).distinct().order_by('-last_activity')
serializer = ConversationSerializer(conversations, many=True, context={'user': user})
return Response(serializer.data, status=status.HTTP_200_OK)
except Profile.DoesNotExist:
return Response({'error': 'User not found'}, status=status.HTTP_404_NOT_FOUND)
except Exception as e:
return Response({'error': str(e)}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
class InstantConversationCreateView(APIView):
"""
API pour créer une nouvelle conversation instantanée
"""
@swagger_auto_schema(
operation_description="Crée une nouvelle conversation instantanée",
request_body=ConversationCreateSerializer,
responses={201: ConversationSerializer}
)
def post(self, request):
serializer = ConversationCreateSerializer(data=request.data)
if serializer.is_valid():
conversation = serializer.save()
response_serializer = ConversationSerializer(conversation, context={'user': request.user})
return Response(response_serializer.data, status=status.HTTP_201_CREATED)
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
class InstantMessageListView(APIView):
"""
API pour lister les messages d'une conversation
"""
@swagger_auto_schema(
operation_description="Liste les messages d'une conversation",
responses={200: MessageSerializer(many=True)}
)
def get(self, request, conversation_id):
try:
conversation = Conversation.objects.get(id=conversation_id)
messages = conversation.messages.filter(is_deleted=False).order_by('created_at')
# Récupérer l'utilisateur actuel depuis les paramètres de requête
user_id = request.GET.get('user_id')
user = None
if user_id:
try:
user = Profile.objects.get(id=user_id)
except Profile.DoesNotExist:
pass
serializer = MessageSerializer(messages, many=True, context={'user': user})
return Response(serializer.data, status=status.HTTP_200_OK)
except Conversation.DoesNotExist:
return Response({'error': 'Conversation not found'}, status=status.HTTP_404_NOT_FOUND)
except Exception as e:
return Response({'error': str(e)}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
class InstantMessageCreateView(APIView):
"""
API pour envoyer un nouveau message instantané
"""
@swagger_auto_schema(
operation_description="Envoie un nouveau message instantané",
request_body=openapi.Schema(
type=openapi.TYPE_OBJECT,
properties={
'conversation_id': openapi.Schema(type=openapi.TYPE_STRING, description='ID de la conversation'),
'sender_id': openapi.Schema(type=openapi.TYPE_INTEGER, description='ID de l\'expéditeur'),
'content': openapi.Schema(type=openapi.TYPE_STRING, description='Contenu du message'),
'message_type': openapi.Schema(type=openapi.TYPE_STRING, description='Type de message', default='text')
},
required=['conversation_id', 'sender_id', 'content']
),
responses={201: MessageSerializer}
)
def post(self, request):
try:
conversation_id = request.data.get('conversation_id')
sender_id = request.data.get('sender_id')
content = request.data.get('content', '').strip()
message_type = request.data.get('message_type', 'text')
if not all([conversation_id, sender_id, content]):
return Response(
{'error': 'conversation_id, sender_id, and content are required'},
status=status.HTTP_400_BAD_REQUEST
)
# Vérifier que la conversation existe
conversation = Conversation.objects.get(id=conversation_id)
# Vérifier que l'expéditeur existe et peut envoyer dans cette conversation
sender = Profile.objects.get(id=sender_id)
participant = ConversationParticipant.objects.filter(
conversation=conversation,
participant=sender,
is_active=True
).first()
if not participant:
return Response(
{'error': 'You are not a participant in this conversation'},
status=status.HTTP_403_FORBIDDEN
)
# Récupérer les données de fichier si disponibles
file_url = request.data.get('file_url')
file_name = request.data.get('file_name')
file_type = request.data.get('file_type')
file_size = request.data.get('file_size')
# Créer le message
message = Message.objects.create(
conversation=conversation,
sender=sender,
content=content,
message_type=message_type,
file_url=file_url,
file_name=file_name,
file_type=file_type,
file_size=file_size
)
# Mettre à jour l'activité de la conversation
conversation.last_activity = message.created_at
conversation.save(update_fields=['last_activity'])
serializer = MessageSerializer(message)
return Response(serializer.data, status=status.HTTP_201_CREATED)
except Conversation.DoesNotExist:
return Response({'error': 'Conversation not found'}, status=status.HTTP_404_NOT_FOUND)
except Profile.DoesNotExist:
return Response({'error': 'Sender not found'}, status=status.HTTP_404_NOT_FOUND)
except Exception as e:
return Response({'error': str(e)}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
class InstantMarkAsReadView(APIView):
"""
API pour marquer une conversation comme lue
"""
@swagger_auto_schema(
operation_description="Marque une conversation comme lue pour un utilisateur",
request_body=openapi.Schema(
type=openapi.TYPE_OBJECT,
properties={
'user_id': openapi.Schema(type=openapi.TYPE_INTEGER, description='ID de l\'utilisateur')
},
required=['user_id']
),
responses={200: openapi.Response('Success')}
)
def post(self, request, conversation_id):
try:
user_id = request.data.get('user_id')
if not user_id:
return Response({'error': 'user_id is required'}, status=status.HTTP_400_BAD_REQUEST)
participant = ConversationParticipant.objects.get(
conversation_id=conversation_id,
participant_id=user_id,
is_active=True
)
participant.last_read_at = timezone.now()
participant.save(update_fields=['last_read_at'])
return Response({'status': 'success'}, status=status.HTTP_200_OK)
except ConversationParticipant.DoesNotExist:
return Response({'error': 'Participant not found'}, status=status.HTTP_404_NOT_FOUND)
except Exception as e:
return Response({'error': str(e)}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
class UserPresenceView(APIView):
"""
API pour gérer la présence des utilisateurs
"""
@swagger_auto_schema(
operation_description="Met à jour le statut de présence d'un utilisateur",
request_body=openapi.Schema(
type=openapi.TYPE_OBJECT,
properties={
'status': openapi.Schema(type=openapi.TYPE_STRING, description='Statut de présence')
},
required=['status']
),
responses={200: UserPresenceSerializer}
)
def post(self, request, user_id):
try:
user = Profile.objects.get(id=user_id)
status_value = request.data.get('status')
if status_value not in ['online', 'away', 'busy', 'offline']:
return Response({'error': 'Invalid status'}, status=status.HTTP_400_BAD_REQUEST)
presence, created = UserPresence.objects.get_or_create(user=user)
presence.status = status_value
presence.last_seen = timezone.now()
presence.save()
serializer = UserPresenceSerializer(presence)
return Response(serializer.data, status=status.HTTP_200_OK)
except Profile.DoesNotExist:
return Response({'error': 'User not found'}, status=status.HTTP_404_NOT_FOUND)
except Exception as e:
return Response({'error': str(e)}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
@swagger_auto_schema(
operation_description="Récupère le statut de présence d'un utilisateur",
responses={200: UserPresenceSerializer}
)
def get(self, request, user_id):
try:
user = Profile.objects.get(id=user_id)
presence, created = UserPresence.objects.get_or_create(user=user)
if created:
presence.status = 'offline'
presence.save()
serializer = UserPresenceSerializer(presence)
return Response(serializer.data, status=status.HTTP_200_OK)
except Profile.DoesNotExist:
return Response({'error': 'User not found'}, status=status.HTTP_404_NOT_FOUND)
except Exception as e:
return Response({'error': str(e)}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
class FileUploadView(APIView):
"""
API pour l'upload de fichiers dans la messagerie instantanée
"""
parser_classes = (MultiPartParser, FormParser)
@swagger_auto_schema(
operation_description="Upload un fichier pour la messagerie",
manual_parameters=[
openapi.Parameter('file', openapi.IN_FORM, description="Fichier à uploader", type=openapi.TYPE_FILE, required=True),
openapi.Parameter('conversation_id', openapi.IN_FORM, description="ID de la conversation", type=openapi.TYPE_INTEGER, required=True),
openapi.Parameter('sender_id', openapi.IN_FORM, description="ID de l'expéditeur", type=openapi.TYPE_INTEGER, required=True),
],
responses={
200: openapi.Response('Success', openapi.Schema(
type=openapi.TYPE_OBJECT,
properties={
'fileUrl': openapi.Schema(type=openapi.TYPE_STRING),
'fileName': openapi.Schema(type=openapi.TYPE_STRING),
'fileSize': openapi.Schema(type=openapi.TYPE_INTEGER),
'fileType': openapi.Schema(type=openapi.TYPE_STRING),
}
)),
400: 'Bad Request',
413: 'File too large',
415: 'Unsupported file type'
}
)
def post(self, request):
try:
file = request.FILES.get('file')
conversation_id = request.data.get('conversation_id')
sender_id = request.data.get('sender_id')
if not file:
return Response({'error': 'Aucun fichier fourni'}, status=status.HTTP_400_BAD_REQUEST)
if not conversation_id or not sender_id:
return Response({'error': 'conversation_id et sender_id requis'}, status=status.HTTP_400_BAD_REQUEST)
# Vérifier que la conversation existe et que l'utilisateur y participe
try:
conversation = Conversation.objects.get(id=conversation_id)
sender = Profile.objects.get(id=sender_id)
# Vérifier que l'expéditeur participe à la conversation
if not ConversationParticipant.objects.filter(
conversation=conversation,
participant=sender,
is_active=True
).exists():
return Response({'error': 'Accès non autorisé à cette conversation'}, status=status.HTTP_403_FORBIDDEN)
except (Conversation.DoesNotExist, Profile.DoesNotExist):
return Response({'error': 'Conversation ou utilisateur introuvable'}, status=status.HTTP_404_NOT_FOUND)
# Valider le type de fichier
allowed_types = [
'image/jpeg', 'image/jpg', 'image/png', 'image/gif', 'image/webp',
'application/pdf',
'application/msword',
'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
'application/vnd.ms-excel',
'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
'text/plain'
]
if file.content_type not in allowed_types:
return Response({'error': 'Type de fichier non autorisé'}, status=status.HTTP_415_UNSUPPORTED_MEDIA_TYPE)
# Valider la taille du fichier (10MB max)
max_size = 10 * 1024 * 1024 # 10MB
if file.size > max_size:
return Response({'error': 'Fichier trop volumineux (max 10MB)'}, status=status.HTTP_413_REQUEST_ENTITY_TOO_LARGE)
# Générer un nom de fichier unique
file_extension = os.path.splitext(file.name)[1]
unique_filename = f"{uuid.uuid4()}{file_extension}"
# Chemin de stockage : messagerie/conversation_id/
storage_path = f"messagerie/{conversation_id}/{unique_filename}"
# Sauvegarder le fichier
file_path = default_storage.save(storage_path, ContentFile(file.read()))
# Générer l'URL du fichier
file_url = default_storage.url(file_path)
if not file_url.startswith('http'):
# Construire l'URL complète si nécessaire
file_url = request.build_absolute_uri(file_url)
return Response({
'fileUrl': file_url,
'fileName': file.name,
'fileSize': file.size,
'fileType': file.content_type,
'filePath': file_path
}, status=status.HTTP_200_OK)
except Exception as e:
return Response({'error': f'Erreur lors de l\'upload: {str(e)}'}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
class InstantRecipientSearchView(APIView):
"""
API pour rechercher des destinataires pour la messagerie instantanée
"""
@swagger_auto_schema(
operation_description="Recherche des destinataires pour la messagerie instantanée",
manual_parameters=[
openapi.Parameter('establishment_id', openapi.IN_QUERY, description="ID de l'établissement", type=openapi.TYPE_INTEGER, required=True),
openapi.Parameter('q', openapi.IN_QUERY, description="Terme de recherche", type=openapi.TYPE_STRING, required=True)
],
responses={200: ProfileSimpleSerializer(many=True)}
)
def get(self, request):
try:
establishment_id = request.query_params.get('establishment_id')
search_query = request.query_params.get('q', '').strip()
if not establishment_id:
return Response({'error': 'establishment_id is required'}, status=status.HTTP_400_BAD_REQUEST)
# Récupérer les IDs des profils actifs dans l'établissement
profile_roles = ProfileRole.objects.filter(
establishment_id=establishment_id,
is_active=True
).values_list('profile_id', flat=True)
# Rechercher les profils correspondants
users = Profile.objects.filter(id__in=profile_roles)
# Appliquer le filtre de recherche si un terme est fourni
if search_query:
users = users.filter(
Q(first_name__icontains=search_query) |
Q(last_name__icontains=search_query) |
Q(email__icontains=search_query)
)
# Exclure l'utilisateur actuel des résultats
if request.user.is_authenticated:
users = users.exclude(id=request.user.id)
serializer = ProfileSimpleSerializer(users[:10], many=True) # Limiter à 10 résultats
return Response(serializer.data, status=status.HTTP_200_OK)
except Exception as e:
return Response({'error': str(e)}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
class InstantConversationDeleteView(APIView):
"""
API pour supprimer (désactiver) une conversation instantanée
"""
@swagger_auto_schema(
operation_description="Supprime une conversation instantanée (désactivation soft)",
responses={200: openapi.Schema(
type=openapi.TYPE_OBJECT,
properties={
'success': openapi.Schema(type=openapi.TYPE_BOOLEAN),
'message': openapi.Schema(type=openapi.TYPE_STRING)
}
)}
)
def delete(self, request, conversation_id):
try:
# Récupérer la conversation par son ID UUID
conversation = Conversation.objects.filter(id=conversation_id).first()
if not conversation:
return Response({'error': 'Conversation not found'}, status=status.HTTP_404_NOT_FOUND)
# Suppression simple : désactiver la conversation
conversation.is_active = False
conversation.save()
return Response({
'success': True,
'message': 'Conversation deleted successfully'
}, status=status.HTTP_200_OK)
except Exception as e:
logger.error(f"Error deleting conversation: {str(e)}")
return Response({'error': str(e)}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)