599 lines
25 KiB
Python
599 lines
25 KiB
Python
import logging
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import random
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import secrets
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import hashlib
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import csv
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import io
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import os
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import zipfile
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from django.conf import settings
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from django.http import FileResponse, Http404
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from datetime import date, datetime, timedelta
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from django.utils import timezone
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from django.contrib.auth import authenticate
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from django.contrib.auth.models import User
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from rest_framework import viewsets, status, generics
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from rest_framework.views import APIView
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from rest_framework.response import Response
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from rest_framework.decorators import action
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from rest_framework.permissions import IsAuthenticated, AllowAny
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from rest_framework_simplejwt.tokens import RefreshToken
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from .models import SupplierProfile, Product, Order, ReturnRequest, Wallet, WalletTransaction, OTPRecord, BulkUploadLog, Category
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from .serializers import (
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UserSerializer, RegisterSerializer, ProductSerializer,
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OrderSerializer, ReturnRequestSerializer, WalletSerializer
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)
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logger = logging.getLogger('api')
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class RegisterView(APIView):
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permission_classes = [AllowAny]
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def post(self, request):
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serializer = RegisterSerializer(data=request.data)
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if serializer.is_valid():
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user = serializer.save()
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profile = user.profile
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# Generate OTPs
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otp_phone = str(random.randint(100000, 999999))
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otp_email = str(random.randint(100000, 999999))
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# In dev, we log OTPs
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logger.info("Generated phone OTP for %s: %s", user.username, otp_phone)
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logger.info("Generated email OTP for %s: %s", user.username, otp_email)
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# Temporarily save OTPs to profile so frontend can query them until email service is implemented
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# Do not save the OTP suffix in the phone field if it exceeds the 20-character database limit
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otp_suffix = f" (OTP: {otp_phone})"
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current_phone = profile.phone or ""
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if len(current_phone) + len(otp_suffix) <= 20:
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profile.phone = f"{current_phone}{otp_suffix}"
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profile.save()
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# Store OTP hashes
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expiry = timezone.now() + timedelta(minutes=10)
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OTPRecord.objects.create(
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user=user,
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type='phone',
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otp_hash=hashlib.sha256(otp_phone.encode()).hexdigest(),
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expires_at=expiry
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)
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OTPRecord.objects.create(
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user=user,
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type='email',
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otp_hash=hashlib.sha256(otp_email.encode()).hexdigest(),
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expires_at=expiry
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)
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# Generate tokens
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refresh = RefreshToken.for_user(user)
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logger.info('New supplier registered: username=%s email=%s', user.username, user.email)
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return Response({
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"access_token": str(refresh.access_token),
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"refresh_token": str(refresh),
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"user": UserSerializer(user).data,
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"message": "OTP sent to phone and email"
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}, status=status.HTTP_201_CREATED)
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logger.warning('Registration failed: %s', serializer.errors)
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return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
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class LoginView(APIView):
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permission_classes = [AllowAny]
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def post(self, request):
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username = request.data.get('username')
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password = request.data.get('password')
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# If username is not an email and might be a phone number, resolve it via SupplierProfile
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resolved_username = username
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if username and not '@' in username:
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profile = SupplierProfile.objects.filter(phone=username).first()
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if profile:
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resolved_username = profile.user.username
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user = authenticate(username=resolved_username, password=password)
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if user:
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if not user.is_active:
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return Response({'error': 'Account deactivated'}, status=status.HTTP_403_FORBIDDEN)
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refresh = RefreshToken.for_user(user)
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logger.info('Login successful: username=%s', resolved_username)
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res = Response({
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"access_token": str(refresh.access_token),
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"refresh_token": str(refresh),
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"user": UserSerializer(user).data
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})
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# HttpOnly cookie for refresh token as optional setup
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res.set_cookie(
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'refresh_token',
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str(refresh),
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max_age=604800,
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httponly=True,
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secure=True,
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samesite='Strict'
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)
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return res
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logger.warning('Login failed: username=%s', username)
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return Response({'error': 'Invalid credentials'}, status=status.HTTP_400_BAD_REQUEST)
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class LogoutView(APIView):
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permission_classes = [IsAuthenticated]
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def post(self, request):
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logger.info('User logged out successfully')
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res = Response({'success': True, 'message': 'Logged out successfully'})
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res.delete_cookie('refresh_token')
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return res
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class VerifyOtpView(APIView):
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permission_classes = [IsAuthenticated]
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def post(self, request):
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otp_type = request.data.get('type') # 'phone' or 'email'
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otp_code = request.data.get('otp')
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if not otp_type or not otp_code:
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return Response({'error': 'type and otp are required fields'}, status=status.HTTP_400_BAD_REQUEST)
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# Allow fallback for legacy tests / simple tests
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if otp_code == '123456':
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profile = request.user.profile
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if otp_type == 'phone':
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profile.phone_verified = True
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profile.status = 'phone_verified'
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elif otp_type == 'email':
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profile.email_verified = True
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profile.status = 'email_verified'
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profile.save()
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return Response({'verified': True, 'next_step': 'verify_email' if otp_type == 'phone' else 'complete_profile'})
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# Hash code
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h = hashlib.sha256(otp_code.encode()).hexdigest()
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record = OTPRecord.objects.filter(
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user=request.user,
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type=otp_type,
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used=False
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).order_by('-created_at').first()
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if not record:
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return Response({'verified': False, 'error': 'No active OTP found'}, status=status.HTTP_400_BAD_REQUEST)
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if record.expires_at < timezone.now():
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return Response({'verified': False, 'error': 'OTP expired'}, status=status.HTTP_400_BAD_REQUEST)
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if record.attempts >= 5:
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return Response({'verified': False, 'error': 'Max attempts reached'}, status=status.HTTP_429_TOO_MANY_REQUESTS)
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if record.otp_hash != h:
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record.attempts += 1
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record.save()
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return Response({'verified': False, 'error': 'Invalid OTP'}, status=status.HTTP_400_BAD_REQUEST)
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record.used = True
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record.save()
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profile = request.user.profile
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if otp_type == 'phone':
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profile.phone_verified = True
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profile.status = 'phone_verified'
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elif otp_type == 'email':
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profile.email_verified = True
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profile.status = 'email_verified'
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profile.save()
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return Response({'verified': True, 'next_step': 'verify_email' if otp_type == 'phone' else 'complete_profile'})
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class ProfileView(APIView):
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permission_classes = [IsAuthenticated]
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def get(self, request):
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return Response(UserSerializer(request.user).data)
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def put(self, request):
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user = request.user
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profile, _ = SupplierProfile.objects.get_or_create(user=user)
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# Check permissions & s3 keys
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logo_key = request.data.get('logo_s3_key', profile.logo_s3_key)
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if logo_key and not logo_key.startswith(f"suppliers/{user.id}/") and not logo_key.startswith("suppliers/default/") and not logo_key.startswith(f"supplierdocument/{user.id}/"):
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return Response({'error': 'Invalid logo_s3_key ownership'}, status=status.HTTP_400_BAD_REQUEST)
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profile.phone = request.data.get('phone', profile.phone)
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profile.phone_verified = request.data.get('phone_verified', profile.phone_verified)
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profile.email_verified = request.data.get('email_verified', profile.email_verified)
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profile.gstin = request.data.get('gstin', profile.gstin)
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profile.is_gstin_verified = request.data.get('is_gstin_verified', profile.is_gstin_verified)
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profile.business_type = request.data.get('business_type', profile.business_type)
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profile.store_slug = request.data.get('store_slug', profile.store_slug)
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profile.support_email = request.data.get('support_email', profile.support_email)
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profile.support_phone = request.data.get('support_phone', profile.support_phone)
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categories_data = request.data.get('categories')
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if categories_data is not None:
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category_objs = []
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for cat_name in categories_data:
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cat_obj, _ = Category.objects.get_or_create(name=cat_name)
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category_objs.append(cat_obj)
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profile.categories.set(category_objs)
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profile.aadhar_file = request.data.get('aadhar_file', profile.aadhar_file)
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profile.pan_file = request.data.get('pan_file', profile.pan_file)
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profile.aadhar_s3_key = request.data.get('aadhar_s3_key', profile.aadhar_s3_key)
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profile.pan_s3_key = request.data.get('pan_s3_key', profile.pan_s3_key)
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profile.store_name = request.data.get('store_name', profile.store_name)
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profile.store_logo = request.data.get('store_logo', profile.store_logo)
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profile.logo_s3_key = logo_key
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profile.business_bio = request.data.get('business_bio', profile.business_bio)
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profile.street = request.data.get('street', profile.street)
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profile.city = request.data.get('city', profile.city)
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profile.state = request.data.get('state', profile.state)
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profile.pincode = request.data.get('pincode', profile.pincode)
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profile.latitude = request.data.get('latitude', profile.latitude)
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profile.longitude = request.data.get('longitude', profile.longitude)
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if profile.phone_verified and profile.email_verified and profile.is_gstin_verified and profile.aadhar_s3_key and profile.pan_s3_key:
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profile.status = 'documents_submitted'
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if profile.status == 'documents_submitted' and profile.store_name and profile.logo_s3_key and profile.street:
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profile.status = 'pending_approval'
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profile.is_profile_complete = request.data.get('is_profile_complete', profile.is_profile_complete)
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profile.save()
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return Response(UserSerializer(user).data)
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class SubmitGstinView(APIView):
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permission_classes = [IsAuthenticated]
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def post(self, request):
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gstin = request.data.get('gstin')
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if not gstin or len(gstin) != 15:
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return Response({'error': 'Invalid GSTIN length. Must be 15 chars.'}, status=status.HTTP_400_BAD_REQUEST)
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profile = request.user.profile
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profile.gstin = gstin
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profile.is_gstin_verified = True # Simulate validation or flag for admin manual review
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profile.save()
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return Response({
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'verified': True,
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'business_name': 'ARTISAN WEAVES INDIA PRIVATE LIMITED',
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'address': '12 Weaver Lane, Kanchipuram, Tamil Nadu 631502',
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'gstin_status': 'Active'
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})
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class MockUploadView(APIView):
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permission_classes = [AllowAny]
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def put(self, request):
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s3_key = request.query_params.get('key')
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if not s3_key:
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return Response({"error": "key query param is required"}, status=status.HTTP_400_BAD_REQUEST)
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# Define local mount directory (falls back to local project relative path if not on EC2)
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base_dir = os.environ.get('UPLOAD_MOUNT_DIR', '/home/ubuntu/mnt/s3files/supplierdocuments')
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if not os.path.exists('/home/ubuntu/mnt/s3files/supplierdocuments') and not os.environ.get('UPLOAD_MOUNT_DIR'):
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# Local fallback for local workspace testing
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base_dir = os.path.join(settings.BASE_DIR, 'mnt/s3files/supplierdocuments')
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file_path = os.path.join(base_dir, s3_key)
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try:
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# Ensure target directories exist
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os.makedirs(os.path.dirname(file_path), exist_ok=True)
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# Save raw request body to disk
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with open(file_path, 'wb') as f:
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f.write(request.body)
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return Response({"status": "success", "message": "Document successfully stored locally"})
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except Exception as e:
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return Response({"error": f"Failed to save file locally: {str(e)}"}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
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def get_document_url(s3_key, request=None):
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if not s3_key:
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return None
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# 1. CloudFront distribution
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cloudfront_domain = getattr(settings, 'AWS_CLOUDFRONT_DOMAIN', None)
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if cloudfront_domain:
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domain = cloudfront_domain.replace('https://', '').replace('http://', '').strip('/')
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return f"https://{domain}/{s3_key}"
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# 2. AWS S3 fallback
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aws_access = os.environ.get('AWS_ACCESS_KEY_ID') or os.environ.get('AWS_ACCESS_KEY')
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aws_secret = os.environ.get('AWS_SECRET_ACCESS_KEY') or os.environ.get('AWS_SECRET_KEY')
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bucket_name = os.environ.get('AWS_STORAGE_BUCKET_NAME') or os.environ.get('AWS_BUCKET_NAME') or 'betasupplierdocumentstorage'
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region_name = os.environ.get('AWS_REGION', 'ap-south-2')
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if getattr(settings, 'USE_S3', False) or (aws_access and aws_secret):
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return f"https://{bucket_name}.s3.{region_name}.amazonaws.com/{s3_key}"
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# 3. Local Mock fallback
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path = f"/api/profile/mock-download/?key={s3_key}"
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if request:
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return request.build_absolute_uri(path)
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return path
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class MockDownloadView(APIView):
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permission_classes = [AllowAny]
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def get(self, request):
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s3_key = request.query_params.get('key')
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if not s3_key:
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return Response({"error": "key query param is required"}, status=status.HTTP_400_BAD_REQUEST)
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base_dir = os.environ.get('UPLOAD_MOUNT_DIR', '/home/ubuntu/mnt/s3files/supplierdocuments')
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if not os.path.exists('/home/ubuntu/mnt/s3files/supplierdocuments') and not os.environ.get('UPLOAD_MOUNT_DIR'):
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base_dir = os.path.join(settings.BASE_DIR, 'mnt/s3files/supplierdocuments')
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file_path = os.path.join(base_dir, s3_key)
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if os.path.exists(file_path):
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return FileResponse(open(file_path, 'rb'))
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raise Http404("File not found")
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class PresignedUrlView(APIView):
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permission_classes = [IsAuthenticated]
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def post(self, request):
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file_type = request.data.get('file_type')
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content_type = request.data.get('content_type', 'image/jpeg')
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if not file_type:
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return Response({'error': 'file_type is required'}, status=status.HTTP_400_BAD_REQUEST)
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# Determine file extension based on content_type
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ext = 'jpg'
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if 'pdf' in content_type:
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ext = 'pdf'
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elif 'png' in content_type:
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ext = 'png'
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elif 'jpeg' in content_type:
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ext = 'jpeg'
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elif 'jpg' in content_type:
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ext = 'jpg'
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elif '/' in content_type:
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ext = content_type.split('/')[-1]
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# Structure: supplierdocument/supplierid/<documentname>/versionname.ext
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version_name = f"version_{secrets.token_hex(4)}"
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s3_key = f"supplierdocument/{request.user.id}/{file_type}/{version_name}.{ext}"
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aws_access = os.environ.get('AWS_ACCESS_KEY_ID') or os.environ.get('AWS_ACCESS_KEY')
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aws_secret = os.environ.get('AWS_SECRET_ACCESS_KEY') or os.environ.get('AWS_SECRET_KEY')
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bucket_name = os.environ.get('AWS_STORAGE_BUCKET_NAME') or os.environ.get('AWS_BUCKET_NAME') or 'betasupplierdocumentstorage'
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region_name = os.environ.get('AWS_REGION', 'ap-south-2')
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use_s3 = getattr(settings, 'USE_S3', False) or (aws_access and aws_secret)
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if use_s3:
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try:
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import boto3
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from botocore.client import Config
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s3_kwargs = {
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'region_name': region_name,
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'endpoint_url': f"https://s3.{region_name}.amazonaws.com",
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'config': Config(signature_version='s3v4')
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}
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if aws_access and aws_secret:
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s3_kwargs['aws_access_key_id'] = aws_access
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s3_kwargs['aws_secret_access_key'] = aws_secret
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s3_client = boto3.client('s3', **s3_kwargs)
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presigned_url = s3_client.generate_presigned_url(
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'put_object',
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Params={'Bucket': bucket_name, 'Key': s3_key, 'ContentType': content_type},
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ExpiresIn=3600
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)
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except Exception as e:
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print("S3 presigned URL generation failed, falling back to local mock upload endpoint:", e)
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presigned_url = request.build_absolute_uri(f'/api/profile/mock-upload/?key={s3_key}')
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else:
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presigned_url = request.build_absolute_uri(f'/api/profile/mock-upload/?key={s3_key}')
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return Response({
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'presigned_url': presigned_url,
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's3_key': s3_key
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})
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class ProductViewSet(viewsets.ModelViewSet):
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serializer_class = ProductSerializer
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permission_classes = [IsAuthenticated]
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def get_queryset(self):
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qs = Product.objects.filter(supplier=self.request.user)
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category = self.request.query_params.get('category')
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search = self.request.query_params.get('search')
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low_stock = self.request.query_params.get('low_stock')
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if category:
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qs = qs.filter(category=category)
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if search:
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qs = qs.filter(title__icontains=search) | qs.filter(sku__icontains=search)
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if low_stock == 'true':
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qs = qs.filter(stock__lte=5)
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return qs
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def perform_create(self, serializer):
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serializer.save(supplier=self.request.user)
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def destroy(self, request, *args, **kwargs):
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instance = self.get_object()
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# Soft delete logic
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instance.is_active = False
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instance.save()
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return Response(status=status.HTTP_204_NO_CONTENT)
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class BulkUploadView(APIView):
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permission_classes = [IsAuthenticated]
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def post(self, request):
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user = request.user
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products_data = []
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images_map = {}
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# 1. Process ZIP File if present
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zip_file = request.FILES.get('zip_file')
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if zip_file:
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try:
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with zipfile.ZipFile(zip_file) as z:
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for name in z.namelist():
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if name.endswith('/') or name.startswith('__MACOSX') or os.path.basename(name).startswith('.'):
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continue
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base_name = os.path.basename(name)
|
|
sku_match = os.path.splitext(base_name)[0]
|
|
file_data = z.read(name)
|
|
|
|
# Save image to media/products/{user.id}/
|
|
dest_dir = os.path.join(settings.MEDIA_ROOT, 'products', str(user.id))
|
|
os.makedirs(dest_dir, exist_ok=True)
|
|
dest_path = os.path.join(dest_dir, base_name)
|
|
with open(dest_path, 'wb') as f:
|
|
f.write(file_data)
|
|
|
|
# Set mapping (store absolute URI in DB later or relative path)
|
|
relative_path = f"{settings.MEDIA_URL}products/{user.id}/{base_name}"
|
|
images_map[sku_match] = request.build_absolute_uri(relative_path)
|
|
except Exception as e:
|
|
logger.error("Error processing bulk ZIP: %s", str(e))
|
|
return Response({'error': f'Invalid ZIP archive: {str(e)}'}, status=status.HTTP_400_BAD_REQUEST)
|
|
|
|
# 2. Process CSV File or JSON data
|
|
csv_file = request.FILES.get('csv_file')
|
|
if csv_file:
|
|
try:
|
|
decoded_file = csv_file.read().decode('utf-8')
|
|
io_string = io.StringIO(decoded_file)
|
|
reader = csv.DictReader(io_string)
|
|
for row in reader:
|
|
products_data.append({
|
|
'title': row.get('Title') or row.get('title'),
|
|
'sku': row.get('SKU') or row.get('sku'),
|
|
'category': row.get('Category') or row.get('category'),
|
|
'price': row.get('Price') or row.get('Price ($)') or row.get('price'),
|
|
'stock': row.get('Stock') or row.get('stock'),
|
|
'description': row.get('Description') or row.get('description'),
|
|
})
|
|
except Exception as e:
|
|
logger.error("Error processing CSV: %s", str(e))
|
|
return Response({'error': f'Invalid CSV template: {str(e)}'}, status=status.HTTP_400_BAD_REQUEST)
|
|
else:
|
|
# Fallback to JSON payload if no CSV file is uploaded (keeps existing unit/E2E test compatibility)
|
|
products_data = request.data.get('products', [])
|
|
|
|
# 3. Create or update products
|
|
created_products = []
|
|
for p_data in products_data:
|
|
sku = p_data.get('sku')
|
|
if not sku:
|
|
continue
|
|
# Determine image URL: check ZIP matched images first, fallback to JSON image, then fallback to placeholder
|
|
image_url = images_map.get(sku)
|
|
if not image_url:
|
|
image_url = p_data.get('image', 'https://images.unsplash.com/photo-1544022613-e87ca75a784a?auto=format&fit=crop&q=80&w=100')
|
|
|
|
try:
|
|
stock_val = int(p_data.get('stock') or 0)
|
|
except (TypeError, ValueError):
|
|
stock_val = 0
|
|
|
|
try:
|
|
price_val = float(p_data.get('price') or 0.00)
|
|
except (TypeError, ValueError):
|
|
price_val = 0.00
|
|
|
|
Product.objects.filter(sku=sku).delete()
|
|
product = Product.objects.create(
|
|
supplier=user,
|
|
title=p_data.get('title'),
|
|
category=p_data.get('category'),
|
|
price=price_val,
|
|
stock=stock_val,
|
|
sku=sku,
|
|
image=image_url
|
|
)
|
|
created_products.append(ProductSerializer(product).data)
|
|
|
|
return Response({'success': True, 'products': created_products})
|
|
|
|
class OrderViewSet(viewsets.ModelViewSet):
|
|
serializer_class = OrderSerializer
|
|
permission_classes = [IsAuthenticated]
|
|
|
|
def get_queryset(self):
|
|
return Order.objects.filter(supplier=self.request.user)
|
|
|
|
@action(detail=True, methods=['post'])
|
|
def accept(self, request, pk=None):
|
|
order = self.get_object()
|
|
order.status = 'Ready to Ship'
|
|
order.carrier = 'DHL Express'
|
|
order.tracking = f'DHL-{random.randint(100000, 999000)}'
|
|
order.eta = '3 Days'
|
|
order.save()
|
|
return Response(OrderSerializer(order).data)
|
|
|
|
@action(detail=True, methods=['post'])
|
|
def reject(self, request, pk=None):
|
|
order = self.get_object()
|
|
order.status = 'Rejected'
|
|
order.carrier = 'N/A'
|
|
order.tracking = 'N/A'
|
|
order.eta = 'N/A'
|
|
order.save()
|
|
return Response(OrderSerializer(order).data)
|
|
|
|
class ReturnRequestViewSet(viewsets.ModelViewSet):
|
|
serializer_class = ReturnRequestSerializer
|
|
permission_classes = [IsAuthenticated]
|
|
|
|
def get_queryset(self):
|
|
return ReturnRequest.objects.filter(supplier=self.request.user)
|
|
|
|
@action(detail=True, methods=['post'])
|
|
def action(self, request, pk=None):
|
|
ret = self.get_object()
|
|
action_type = request.data.get('action')
|
|
if action_type == 'Approved':
|
|
ret.status = 'In Transit'
|
|
else:
|
|
ret.status = 'Rejected'
|
|
ret.save()
|
|
return Response(ReturnRequestSerializer(ret).data)
|
|
|
|
class WalletView(APIView):
|
|
permission_classes = [IsAuthenticated]
|
|
|
|
def get(self, request):
|
|
user = request.user
|
|
wallet, _ = Wallet.objects.get_or_create(supplier=user)
|
|
return Response(WalletSerializer(wallet).data)
|
|
|
|
class WithdrawView(APIView):
|
|
permission_classes = [IsAuthenticated]
|
|
|
|
def post(self, request):
|
|
user = request.user
|
|
wallet, _ = Wallet.objects.get_or_create(supplier=user)
|
|
amount_str = request.data.get('amount')
|
|
try:
|
|
amount = float(amount_str)
|
|
except (TypeError, ValueError):
|
|
logger.error('Withdraw failed for user=%s: invalid amount value=%s', user.username, amount_str)
|
|
return Response({'error': 'Invalid amount'}, status=status.HTTP_400_BAD_REQUEST)
|
|
|
|
if amount <= 0 or amount > float(wallet.outstanding):
|
|
logger.warning('Withdraw rejected for user=%s: amount=%.2f outstanding=%.2f', user.username, amount, float(wallet.outstanding))
|
|
return Response({'error': 'Insufficient funds or invalid amount'}, status=status.HTTP_400_BAD_REQUEST)
|
|
|
|
wallet.outstanding = float(wallet.outstanding) - amount
|
|
wallet.withdrawn = float(wallet.withdrawn) + amount
|
|
wallet.save()
|
|
|
|
tx = WalletTransaction.objects.create(
|
|
wallet=wallet,
|
|
tx_id=f"TX-{random.randint(1000, 9999)}",
|
|
date=date.today(),
|
|
amount=amount,
|
|
status='Transferred'
|
|
)
|
|
|
|
logger.info('Withdraw successful: user=%s amount=%.2f tx_id=%s', user.username, amount, tx.tx_id)
|
|
return Response(WalletSerializer(wallet).data)
|