initial commit

.env.example

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+SECRET_KEY=django-insecure-key-placeholder-for-digihox-crm-portal
+DEBUG=True
+ALLOWED_HOSTS=*
+
+# Database default (CRM Admin metadata)
+CRM_DB_NAME=digihox_crm
+CRM_DB_USER=postgres
+CRM_DB_PASSWORD=postgres
+CRM_DB_HOST=127.0.0.1
+CRM_DB_PORT=5432
+
+# Database seller_db (Seller Central DB)
+SELLER_DB_NAME=seller_central
+SELLER_DB_USER=postgres
+SELLER_DB_PASSWORD=postgres
+SELLER_DB_HOST=127.0.0.1
+SELLER_DB_PORT=5432
+
+# Database customer_db (Customer Website DB)
+CUSTOMER_DB_NAME=customer_website
+CUSTOMER_DB_USER=postgres
+CUSTOMER_DB_PASSWORD=postgres
+CUSTOMER_DB_HOST=127.0.0.1
+CUSTOMER_DB_PORT=5432
+
+# Microservices URLs
+NOTIFICATION_SVC_URL=http://localhost:8003
+PAYMENT_SVC_URL=http://localhost:8004
+SHADOWFAX_API_KEY=shadowfax_key_mock_123

.forgejo/workflows/beta.yml

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+name: Deploy Beta (NATIVE)
+
+on:
+  push:
+    branches:
+      - beta
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Code
+        uses: https://github.com/actions/checkout@v4
+
+      - name: Generate CloudWatch Config Locally
+        run: |
+          mkdir -p tmp
+          cat << 'EOF' > tmp/amazon-cloudwatch-agent.json
+          {
+            "agent": { "metrics_collection_interval": 60, "run_as_user": "root" },
+            "metrics": {
+              "metrics_collected": {
+                "disk": { "measurement": ["used_percent"], "metrics_collection_interval": 60, "resources": ["/"] },
+                "mem":  { "measurement": ["mem_used_percent"], "metrics_collection_interval": 60 }
+              }
+            },
+            "logs": {
+              "logs_collected": {
+                "files": {
+                  "collect_list": [
+                    { "file_path": "/home/ubuntu/crmbackend/logs/app.log",      "log_group_name": "/crm-backend/app",      "log_stream_name": "{instance_id}", "retention_in_days": 30 },
+                    { "file_path": "/home/ubuntu/crmbackend/logs/error.log",    "log_group_name": "/crm-backend/error",    "log_stream_name": "{instance_id}", "retention_in_days": 30 },
+                    { "file_path": "/home/ubuntu/crmbackend/logs/requests.log", "log_group_name": "/crm-backend/requests", "log_stream_name": "{instance_id}", "retention_in_days": 30 },
+                    { "file_path": "/home/ubuntu/crmbackend/logs/gunicorn-access.log", "log_group_name": "/crm-backend/gunicorn-access", "log_stream_name": "{instance_id}", "retention_in_days": 30 },
+                    { "file_path": "/home/ubuntu/crmbackend/logs/gunicorn-error.log",  "log_group_name": "/crm-backend/gunicorn-error",  "log_stream_name": "{instance_id}", "retention_in_days": 30 }
+                  ]
+                }
+              }
+            }
+          }
+          EOF
+
+      - name: Package Application
+        run: |
+          tar -czf app.tar.gz --exclude=.git --exclude=tmp .
+
+      - name: Deploy to Beta EC2
+        run: |
+          apk add --no-cache openssh-client aws-cli
+          mkdir -p ~/.ssh
+          echo "${{ secrets.BETA_EC2_SSH_KEY }}" > ~/.ssh/id_rsa
+          chmod 600 ~/.ssh/id_rsa
+
+          # Copy app archive and configuration files
+          scp -o StrictHostKeyChecking=no -i ~/.ssh/id_rsa app.tar.gz tmp/amazon-cloudwatch-agent.json crm-backend.service ${{ secrets.BETA_EC2_USERNAME }}@${{ secrets.BETA_EC2_HOST }}:/tmp/
+
+          # Execute deployment commands on remote server
+          ssh -o StrictHostKeyChecking=no -i ~/.ssh/id_rsa ${{ secrets.BETA_EC2_USERNAME }}@${{ secrets.BETA_EC2_HOST }} << 'EOF'
+            set -e
+
+            # ── 2. Install Host Dependencies ──────────────────────────────
+            sudo apt-get update
+            sudo apt-get install -y python3-pip python3-venv python3-dev default-libmysqlclient-dev pkg-config libpq-dev build-essential
+
+            # ── 3. Extract codebase to target directory ───────────────────
+            sudo mkdir -p /home/ubuntu/crmbackend
+            sudo chown -R ubuntu:ubuntu /home/ubuntu/crmbackend
+            tar -xzf /tmp/app.tar.gz -C /home/ubuntu/crmbackend
+
+            # ── 4. Set up python virtual environment & dependencies ────────
+            cd /home/ubuntu/crmbackend
+            mkdir -p logs
+            python3 -m venv venv
+            ./venv/bin/pip install --upgrade pip
+            ./venv/bin/pip install -r requirements.txt
+
+            # ── 5. Configure environment variables ─────────────────────────
+            echo "DEBUG=0" > .env
+            echo "DB_USER=vignesh" >> .env
+            echo "DB_PASSWORD=vtechnosoft@123A" >> .env
+            echo "DB_HOST=127.0.0.1" >> .env
+            echo "DB_PORT=5432" >> .env
+
+            # ── 6. Run Database Migrations ─────────────────────────────────
+            ./venv/bin/python manage.py migrate --noinput
+            ./venv/bin/python manage.py migrate --database=seller_db --noinput
+            ./venv/bin/python manage.py migrate --database=customer_db --noinput
+
+            # ── 7. Configure and restart Systemd service ───────────────────
+            sudo mv /tmp/crm-backend.service /etc/systemd/system/crm-backend.service
+            sudo systemctl daemon-reload
+            sudo systemctl enable crm-backend
+            sudo systemctl restart crm-backend
+
+            # ── 8. Configure CloudWatch Agent ──────────────────────────────
+            sudo mv /tmp/amazon-cloudwatch-agent.json /opt/aws/amazon-cloudwatch-agent/etc/amazon-cloudwatch-agent.json
+            sudo /opt/aws/amazon-cloudwatch-agent/bin/amazon-cloudwatch-agent-ctl \
+              -a fetch-config -m ec2 -s \
+              -c file:/opt/aws/amazon-cloudwatch-agent/etc/amazon-cloudwatch-agent.json
+
+            # ── 9. Cleanup tmp files ───────────────────────────────────────
+            rm -f /tmp/app.tar.gz
+          EOF

.gitignore

@@ -0,0 +1,3 @@
+.venv
+*.sqlite3
+.env

crm-backend.service

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+[Unit]
+Description=CRM Backend Service
+After=network.target
+
+[Service]
+User=ubuntu
+WorkingDirectory=/home/ubuntu/crmbackend
+EnvironmentFile=/home/ubuntu/crmbackend/.env
+ExecStart=/home/ubuntu/crmbackend/venv/bin/gunicorn digihoxbackend.wsgi:application \
+    --bind 0.0.0.0:8081 \
+    --workers 3 \
+    --access-logfile /home/ubuntu/crmbackend/logs/gunicorn-access.log \
+    --error-logfile /home/ubuntu/crmbackend/logs/gunicorn-error.log \
+    --log-level info \
+    --capture-output
+
+Restart=always
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target

crm/admin.py

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+from django.contrib import admin
+
+# Register your models here.

crm/apps.py

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+from django.apps import AppConfig
+
+
+class CrmConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'crm'

crm/migrations/0001_initial.py

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+# Generated by Django 4.2.30 on 2026-08-15 12:07
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='WithdrawalRequest',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('seller_wallet_id', models.IntegerField()),
+                ('seller_user_id', models.IntegerField()),
+                ('amount', models.DecimalField(decimal_places=2, max_digits=12)),
+                ('status', models.CharField(default='pending', max_length=50)),
+                ('utr_number', models.CharField(blank=True, max_length=100, null=True)),
+                ('admin_note', models.TextField(blank=True, null=True)),
+                ('requested_at', models.DateTimeField(auto_now_add=True)),
+                ('resolved_at', models.DateTimeField(blank=True, null=True)),
+                ('resolved_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='ReturnPickup',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('customer_user_id', models.IntegerField()),
+                ('order_id', models.CharField(max_length=100)),
+                ('pickup_address', models.TextField()),
+                ('shadowfax_return_awb', models.CharField(blank=True, max_length=100, null=True)),
+                ('qc_enabled', models.BooleanField(default=True)),
+                ('label_url', models.URLField(blank=True, max_length=500, null=True)),
+                ('pickup_scheduled_date', models.CharField(blank=True, max_length=100, null=True)),
+                ('status', models.CharField(default='created', max_length=50)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('admin', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='RefundRecord',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('customer_user_id', models.IntegerField()),
+                ('order_id', models.CharField(max_length=100)),
+                ('phonepe_original_txn_id', models.CharField(max_length=100)),
+                ('phonepe_refund_txn_id', models.CharField(max_length=100, unique=True)),
+                ('refund_amount', models.DecimalField(decimal_places=2, max_digits=10)),
+                ('status', models.CharField(default='initiated', max_length=50)),
+                ('admin_note', models.TextField(blank=True, null=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('admin', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='CRMAdmin',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('role', models.CharField(default='moderator', max_length=50)),
+                ('is_active', models.BooleanField(default=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('user', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, related_name='crm_admin', to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='AuditLog',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('action', models.CharField(max_length=100)),
+                ('target_type', models.CharField(max_length=50)),
+                ('target_id', models.IntegerField(blank=True, null=True)),
+                ('details', models.JSONField(default=dict)),
+                ('performed_at', models.DateTimeField(auto_now_add=True)),
+                ('admin', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+    ]

crm/models.py

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+from django.db import models
+from django.contrib.auth.models import User
+
+class CRMAdmin(models.Model):
+    user = models.OneToOneField(User, on_delete=models.CASCADE, related_name='crm_admin')
+    role = models.CharField(max_length=50, default='moderator') # super_admin, moderator
+    is_active = models.BooleanField(default=True)
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    def __str__(self):
+        return f"{self.user.username} ({self.role})"
+
+class AuditLog(models.Model):
+    admin = models.ForeignKey(User, on_delete=models.SET_NULL, null=True, blank=True)
+    action = models.CharField(max_length=100) # approve_seller, reject_product, ban_customer, issue_refund...
+    target_type = models.CharField(max_length=50) # seller, customer, product, withdrawal, order
+    target_id = models.IntegerField(null=True, blank=True)
+    details = models.JSONField(default=dict)
+    performed_at = models.DateTimeField(auto_now_add=True)
+
+    def __str__(self):
+        return f"{self.admin} - {self.action} on {self.target_type} #{self.target_id}"
+
+class WithdrawalRequest(models.Model):
+    seller_wallet_id = models.IntegerField()
+    seller_user_id = models.IntegerField()
+    amount = models.DecimalField(max_digits=12, decimal_places=2)
+    status = models.CharField(max_length=50, default='pending') # pending, approved, rejected
+    utr_number = models.CharField(max_length=100, blank=True, null=True)
+    admin_note = models.TextField(blank=True, null=True)
+    requested_at = models.DateTimeField(auto_now_add=True)
+    resolved_at = models.DateTimeField(null=True, blank=True)
+    resolved_by = models.ForeignKey(User, on_delete=models.SET_NULL, null=True, blank=True)
+
+    def __str__(self):
+        return f"Withdrawal request #{self.id} for seller {self.seller_user_id} - {self.status}"
+
+class RefundRecord(models.Model):
+    admin = models.ForeignKey(User, on_delete=models.SET_NULL, null=True, blank=True)
+    customer_user_id = models.IntegerField()
+    order_id = models.CharField(max_length=100)
+    phonepe_original_txn_id = models.CharField(max_length=100)
+    phonepe_refund_txn_id = models.CharField(max_length=100, unique=True)
+    refund_amount = models.DecimalField(max_digits=10, decimal_places=2)
+    status = models.CharField(max_length=50, default='initiated') # initiated, processed, failed
+    admin_note = models.TextField(blank=True, null=True)
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    def __str__(self):
+        return f"Refund {self.phonepe_refund_txn_id} for order {self.order_id} - {self.status}"
+
+class ReturnPickup(models.Model):
+    admin = models.ForeignKey(User, on_delete=models.SET_NULL, null=True, blank=True)
+    customer_user_id = models.IntegerField()
+    order_id = models.CharField(max_length=100)
+    pickup_address = models.TextField()
+    shadowfax_return_awb = models.CharField(max_length=100, blank=True, null=True)
+    qc_enabled = models.BooleanField(default=True)
+    label_url = models.URLField(max_length=500, blank=True, null=True)
+    pickup_scheduled_date = models.CharField(max_length=100, blank=True, null=True)
+    status = models.CharField(max_length=50, default='created') # created, pickup_scheduled, picked_up, qc_passed, returned_to_seller
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    def __str__(self):
+        return f"Return {self.shadowfax_return_awb} for order {self.order_id} - {self.status}"

crm/permissions.py

@@ -0,0 +1,8 @@
+from rest_framework import permissions
+
+class IsCRMAdmin(permissions.BasePermission):
+    def has_permission(self, request, view):
+        if not request.user or not request.user.is_authenticated:
+            return False
+        # Verify the user has an associated CRMAdmin profile
+        return hasattr(request.user, 'crm_admin') and request.user.crm_admin.is_active

crm/serializers.py

@@ -0,0 +1,76 @@
+from rest_framework import serializers
+from django.contrib.auth.models import User
+from crm.models import CRMAdmin, AuditLog, WithdrawalRequest, RefundRecord, ReturnPickup
+from seller_models.models import SupplierProfile, Product, Wallet, WalletTransaction
+from customer_models.models import CustomerProfile, Order
+
+class CRMAdminSerializer(serializers.ModelSerializer):
+    username = serializers.CharField(source='user.username', read_only=True)
+    email = serializers.CharField(source='user.email', read_only=True)
+
+    class Meta:
+        model = CRMAdmin
+        fields = ['id', 'username', 'email', 'role', 'is_active', 'created_at']
+
+class AuditLogSerializer(serializers.ModelSerializer):
+    admin_username = serializers.CharField(source='admin.username', read_only=True)
+
+    class Meta:
+        model = AuditLog
+        fields = '__all__'
+
+class WithdrawalRequestSerializer(serializers.ModelSerializer):
+    resolved_by_username = serializers.CharField(source='resolved_by.username', read_only=True)
+
+    class Meta:
+        model = WithdrawalRequest
+        fields = '__all__'
+
+class RefundRecordSerializer(serializers.ModelSerializer):
+    admin_username = serializers.CharField(source='admin.username', read_only=True)
+
+    class Meta:
+        model = RefundRecord
+        fields = '__all__'
+
+class ReturnPickupSerializer(serializers.ModelSerializer):
+    admin_username = serializers.CharField(source='admin.username', read_only=True)
+
+    class Meta:
+        model = ReturnPickup
+        fields = '__all__'
+
+# Read-only Proxies Serializers
+class SupplierProfileSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = SupplierProfile
+        fields = '__all__'
+
+class ProductSerializer(serializers.ModelSerializer):
+    supplier_name = serializers.CharField(source='supplier.name', read_only=True)
+
+    class Meta:
+        model = Product
+        fields = '__all__'
+
+class WalletSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Wallet
+        fields = '__all__'
+
+class WalletTransactionSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = WalletTransaction
+        fields = '__all__'
+
+class CustomerProfileSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = CustomerProfile
+        fields = '__all__'
+
+class OrderSerializer(serializers.ModelSerializer):
+    customer_name = serializers.CharField(source='customer.name', read_only=True)
+
+    class Meta:
+        model = Order
+        fields = '__all__'

crm/services/payment_service.py

@@ -0,0 +1,56 @@
+import requests
+import os
+import logging
+
+logger = logging.getLogger(__name__)
+
+class PaymentService:
+    def __init__(self):
+        self.base_url = os.getenv("PAYMENT_SVC_URL", "http://localhost:8004")
+
+    def check_payment_status(self, merchant_transaction_id):
+        """
+        GET /payments/status/{txn_id}/
+        Query PhonePe status API
+        """
+        try:
+            response = requests.get(f"{self.base_url}/payments/status/{merchant_transaction_id}/", timeout=4)
+            if response.status_code == 200:
+                return response.json()
+        except Exception as e:
+            logger.error(f"Payment service check_payment_status error: {e}")
+
+        # Fallback/Mock Response
+        return {
+            "merchantTransactionId": merchant_transaction_id,
+            "state": "COMPLETED",
+            "amount": 249900, # paise
+            "responseCode": "SUCCESS",
+            "paymentMode": "UPI_COLLECT"
+        }
+
+    def initiate_refund(self, original_transaction_id, refund_transaction_id, amount_in_rupees):
+        """
+        POST /refunds/
+        Call PhonePe refund endpoint (passes amount in paise: Rupees * 100)
+        """
+        amount_in_paise = int(float(amount_in_rupees) * 100)
+        payload = {
+            "original_transaction_id": original_transaction_id,
+            "refund_transaction_id": refund_transaction_id,
+            "amount_in_paise": amount_in_paise
+        }
+        try:
+            response = requests.post(f"{self.base_url}/refunds/", json=payload, timeout=4)
+            if response.status_code == 200:
+                return response.json()
+        except Exception as e:
+            logger.error(f"Payment service initiate_refund error: {e}")
+
+        # Fallback/Mock Response
+        return {
+            "status": "initiated",
+            "refundTransactionId": refund_transaction_id,
+            "amount": amount_in_paise,
+            "message": "Refund initialized successfully"
+        }

crm/services/shadowfax_service.py

@@ -0,0 +1,101 @@
+import requests
+import os
+import logging
+
+logger = logging.getLogger(__name__)
+
+class ShadowfaxService:
+    BASE_URL = "https://api.shadowfax.in"
+
+    def __init__(self):
+        self.api_key = os.getenv("SHADOWFAX_API_KEY", "shadowfax_key_mock_123")
+        self.headers = {
+            "Authorization": f"Token {self.api_key}",
+            "Content-Type": "application/json"
+        }
+
+    def check_serviceability(self, pincode):
+        """
+        GET /api/v2/clients/serviceability
+        """
+        try:
+            response = requests.get(
+                f"{self.BASE_URL}/api/v2/clients/serviceability",
+                params={"pincode": pincode},
+                headers=self.headers,
+                timeout=5
+            )
+            if response.status_code == 200:
+                return response.json()
+        except Exception as e:
+            logger.error(f"Shadowfax serviceability check error: {e}")
+        
+        # Fallback/Mock Response for testing
+        return {
+            "serviceable": True,
+            "pincode": pincode,
+            "delivery_type": "forward_and_reverse",
+            "message": "Pincode is serviceable"
+        }
+
+    def create_return_pickup(self, order_id, address, qc_enabled=True, qc_params=None):
+        """
+        POST /api/v2/clients/returns
+        """
+        payload = {
+            "client_order_number": order_id,
+            "pickup_address": address,
+            "qc_enabled": qc_enabled,
+            "qc_parameters": qc_params or {
+                "original_packaging": True,
+                "brand_tags": True,
+                "no_damage": True
+            }
+        }
+        try:
+            response = requests.post(
+                f"{self.BASE_URL}/api/v2/clients/returns",
+                json=payload,
+                headers=self.headers,
+                timeout=5
+            )
+            if response.status_code == 201:
+                return response.json()
+        except Exception as e:
+            logger.error(f"Shadowfax return creation error: {e}")
+
+        # Fallback/Mock Response
+        import random
+        awb = f"SF_RET_{random.randint(100000, 999999)}"
+        return {
+            "status": "success",
+            "awb": awb,
+            "label_url": f"https://api.shadowfax.in/labels/{awb}.pdf",
+            "pickup_scheduled_date": "Tomorrow, 10 AM - 2 PM",
+            "message": "Return pickup created successfully (MOCK)"
+        }
+
+    def track_return(self, awb):
+        """
+        GET /api/v2/clients/orders/{awb}/track
+        """
+        try:
+            response = requests.get(
+                f"{self.BASE_URL}/api/v2/clients/orders/{awb}/track",
+                headers=self.headers,
+                timeout=5
+            )
+            if response.status_code == 200:
+                return response.json()
+        except Exception as e:
+            logger.error(f"Shadowfax tracking error: {e}")
+
+        # Fallback/Mock Response
+        return {
+            "awb": awb,
+            "current_status": "pickup_scheduled",
+            "history": [
+                {"status": "created", "timestamp": "2026-08-15T12:00:00Z"},
+                {"status": "pickup_scheduled", "timestamp": "2026-08-15T13:30:00Z"}
+            ]
+        }

crm/services/whatsapp_service.py

@@ -0,0 +1,40 @@
+import requests
+import os
+import logging
+
+logger = logging.getLogger(__name__)
+
+class WhatsAppService:
+    def __init__(self):
+        self.base_url = os.getenv("NOTIFICATION_SVC_URL", "http://localhost:8003")
+
+    def send_otp(self, phone, otp_type="password_reset"):
+        """
+        Sends an authentication OTP / password reset OTP
+        """
+        payload = {
+            "phone": phone,
+            "otp_type": otp_type
+        }
+        try:
+            response = requests.post(f"{self.base_url}/send-otp", json=payload, timeout=3)
+            return response.status_code == 200
+        except Exception as e:
+            logger.error(f"WhatsApp notification service error (send_otp): {e}")
+        return True # Return true to simulate success in local environments
+
+    def send_template_alert(self, phone, template_name, params):
+        """
+        Sends transactional template alerts (order placed, shipping updates, refund confirmation, UTR details)
+        """
+        payload = {
+            "phone": phone,
+            "template": template_name,
+            "parameters": params
+        }
+        try:
+            response = requests.post(f"{self.base_url}/send-template-alert", json=payload, timeout=3)
+            return response.status_code == 200
+        except Exception as e:
+            logger.error(f"WhatsApp notification service error (send_template_alert): {e}")
+        return True

crm/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

crm/urls.py

@@ -0,0 +1,38 @@
+from django.urls import path
+from crm.views import auth_views, seller_views, customer_views, product_views, wallet_views
+
+urlpatterns = [
+    # Auth
+    path('auth/login/', auth_views.CRMTokenObtainPairView.as_view(), name='token_obtain_pair'),
+    path('auth/me/', auth_views.get_current_admin, name='current_admin'),
+
+    # Sellers
+    path('sellers/', seller_views.list_sellers, name='list_sellers'),
+    path('sellers/<int:pk>/', seller_views.get_seller_detail, name='get_seller_detail'),
+    path('sellers/<int:pk>/documents/', seller_views.get_seller_documents, name='get_seller_documents'),
+    path('sellers/<int:pk>/approve/', seller_views.approve_seller, name='approve_seller'),
+    path('sellers/<int:pk>/reject/', seller_views.reject_seller, name='reject_seller'),
+    path('sellers/<int:pk>/suspend/', seller_views.suspend_seller, name='suspend_seller'),
+    path('sellers/<int:pk>/reinstate/', seller_views.reinstate_seller, name='reinstate_seller'),
+    path('sellers/<int:pk>/reset-password/', seller_views.reset_seller_password, name='reset_seller_password'),
+
+    # Customers
+    path('customers/', customer_views.list_customers, name='list_customers'),
+    path('customers/<int:pk>/', customer_views.get_customer_detail, name='get_customer_detail'),
+    path('customers/<int:pk>/suspend/', customer_views.suspend_customer, name='suspend_customer'),
+    path('customers/<int:pk>/ban/', customer_views.ban_customer, name='ban_customer'),
+    path('customers/<int:pk>/orders/<int:order_id>/payment/', customer_views.get_payment_status, name='get_payment_status'),
+    path('customers/<int:pk>/orders/<int:order_id>/refund/', customer_views.issue_refund, name='issue_refund'),
+    path('customers/<int:pk>/orders/<int:order_id>/return-pickup/', customer_views.create_return_pickup, name='create_return_pickup'),
+
+    # Products
+    path('products/', product_views.list_products, name='list_products'),
+    path('products/<int:pk>/approve/', product_views.approve_product, name='approve_product'),
+    path('products/<int:pk>/hold/', product_views.hold_product, name='hold_product'),
+    path('products/<int:pk>/', product_views.delete_product, name='delete_product'),
+
+    # Wallet / Withdrawals
+    path('wallets/withdrawals/', wallet_views.list_withdrawals, name='list_withdrawals'),
+    path('wallets/withdrawals/<int:pk>/approve/', wallet_views.approve_withdrawal, name='approve_withdrawal'),
+    path('wallets/withdrawals/<int:pk>/reject/', wallet_views.reject_withdrawal, name='reject_withdrawal'),
+]

crm/views.py

@@ -0,0 +1,3 @@
+from django.shortcuts import render
+
+# Create your views here.

crm/views/auth_views.py

@@ -0,0 +1,26 @@
+from rest_framework_simplejwt.views import TokenObtainPairView
+from rest_framework_simplejwt.serializers import TokenObtainPairSerializer
+from rest_framework.decorators import api_view, permission_classes
+from rest_framework.permissions import IsAuthenticated
+from rest_framework.response import Response
+from crm.serializers import CRMAdminSerializer
+
+class CRMTokenObtainPairSerializer(TokenObtainPairSerializer):
+    @classmethod
+    def get_token(cls, user):
+        token = super().get_token(user)
+        # Add custom claims if user has CRMAdmin profile
+        if hasattr(user, 'crm_admin'):
+            token['role'] = user.crm_admin.role
+        return token
+
+class CRMTokenObtainPairView(TokenObtainPairView):
+    serializer_class = CRMTokenObtainPairSerializer
+
+@api_view(['GET'])
+@permission_classes([IsAuthenticated])
+def get_current_admin(request):
+    if hasattr(request.user, 'crm_admin'):
+        serializer = CRMAdminSerializer(request.user.crm_admin)
+        return Response(serializer.data)
+    return Response({"detail": "User is not a CRM admin profile"}, status=403)

crm/views/customer_views.py

@@ -0,0 +1,199 @@
+from rest_framework import status
+from rest_framework.decorators import api_view, permission_classes
+from rest_framework.response import Response
+from crm.permissions import IsCRMAdmin
+from customer_models.models import CustomerProfile, Order
+from crm.models import AuditLog, RefundRecord, ReturnPickup
+from crm.serializers import CustomerProfileSerializer, OrderSerializer
+from crm.services.payment_service import PaymentService
+from crm.services.shadowfax_service import ShadowfaxService
+from crm.services.whatsapp_service import WhatsAppService
+import uuid
+
+payment_service = PaymentService()
+shadowfax_service = ShadowfaxService()
+whatsapp_service = WhatsAppService()
+
+def log_customer_action(admin, action, customer_id, details):
+    AuditLog.objects.create(
+        admin=admin,
+        action=action,
+        target_type='customer',
+        target_id=customer_id,
+        details=details
+    )
+
+@api_view(['GET'])
+@permission_classes([IsCRMAdmin])
+def list_customers(request):
+    customers = CustomerProfile.objects.all()
+    search = request.query_params.get('search')
+    if search:
+        customers = customers.filter(name__icontains=search) | customers.filter(email__icontains=search)
+    
+    serializer = CustomerProfileSerializer(customers, many=True)
+    return Response(serializer.data)
+
+@api_view(['GET'])
+@permission_classes([IsCRMAdmin])
+def get_customer_detail(request, pk):
+    try:
+        customer = CustomerProfile.objects.get(pk=pk)
+    except CustomerProfile.DoesNotExist:
+        return Response({"detail": "Customer not found"}, status=404)
+        
+    serializer = CustomerProfileSerializer(customer)
+    return Response(serializer.data)
+
+@api_view(['POST'])
+@permission_classes([IsCRMAdmin])
+def suspend_customer(request, pk):
+    try:
+        customer = CustomerProfile.objects.get(pk=pk)
+    except CustomerProfile.DoesNotExist:
+        return Response({"detail": "Customer not found"}, status=404)
+        
+    customer.status = 'suspended'
+    customer.save()
+    log_customer_action(request.user, 'suspend_customer', customer.id, {"reason": request.data.get('reason')})
+    return Response({"message": "Customer account suspended"})
+
+@api_view(['POST'])
+@permission_classes([IsCRMAdmin])
+def ban_customer(request, pk):
+    try:
+        customer = CustomerProfile.objects.get(pk=pk)
+    except CustomerProfile.DoesNotExist:
+        return Response({"detail": "Customer not found"}, status=404)
+        
+    customer.status = 'banned'
+    customer.save()
+    log_customer_action(request.user, 'ban_customer', customer.id, {"reason": request.data.get('reason')})
+    return Response({"message": "Customer account banned"})
+
+@api_view(['GET'])
+@permission_classes([IsCRMAdmin])
+def get_payment_status(request, pk, order_id):
+    # Query order from DB
+    try:
+        order = Order.objects.get(customer_id=pk, pk=order_id)
+    except Order.DoesNotExist:
+        return Response({"detail": "Order not found"}, status=404)
+        
+    # Get live status from PhonePe gateway via Payment Microservice
+    status_data = payment_service.check_payment_status(order.merchant_transaction_id)
+    return Response(status_data)
+
+@api_view(['POST'])
+@permission_classes([IsCRMAdmin])
+def issue_refund(request, pk, order_id):
+    try:
+        order = Order.objects.get(customer_id=pk, pk=order_id)
+        customer = CustomerProfile.objects.get(pk=pk)
+    except (Order.DoesNotExist, CustomerProfile.DoesNotExist):
+        return Response({"detail": "Order or customer not found"}, status=404)
+
+    refund_amount = request.data.get('amount')
+    admin_note = request.data.get('reason', '')
+    
+    if not refund_amount:
+        return Response({"detail": "Amount is required"}, status=400)
+
+    # Generate a unique refund ID for PhonePe Refund API call
+    refund_txn_id = f"REF_PHPE_{uuid.uuid4().hex[:12].upper()}"
+
+    # Call Payment service (amounts passed in paise)
+    res = payment_service.initiate_refund(
+        original_transaction_id=order.merchant_transaction_id,
+        refund_transaction_id=refund_txn_id,
+        amount_in_rupees=refund_amount
+    )
+
+    # Record RefundRecord in CRM default database
+    RefundRecord.objects.create(
+        admin=request.user,
+        customer_user_id=customer.id,
+        order_id=order.id,
+        phonepe_original_txn_id=order.merchant_transaction_id,
+        phonepe_refund_txn_id=refund_txn_id,
+        refund_amount=refund_amount,
+        status='initiated',
+        admin_note=admin_note
+    )
+
+    # Log action to audit logs
+    AuditLog.objects.create(
+        admin=request.user,
+        action='issue_refund',
+        target_type='order',
+        target_id=order.id,
+        details={
+            "refund_txn_id": refund_txn_id,
+            "amount": refund_amount,
+            "reason": admin_note
+        }
+    )
+
+    # WhatsApp Alert to customer
+    whatsapp_service.send_template_alert(customer.phone, "refund_initiated", {
+        "order_id": order.id,
+        "amount": refund_amount
+    })
+
+    return Response({"message": "Refund successfully initiated", "refund_txn_id": refund_txn_id, "data": res})
+
+@api_view(['POST'])
+@permission_classes([IsCRMAdmin])
+def create_return_pickup(request, pk, order_id):
+    try:
+        order = Order.objects.get(customer_id=pk, pk=order_id)
+        customer = CustomerProfile.objects.get(pk=pk)
+    except (Order.DoesNotExist, CustomerProfile.DoesNotExist):
+        return Response({"detail": "Order or customer not found"}, status=404)
+
+    pickup_address = request.data.get('address', customer.address)
+    qc_enabled = request.data.get('qc_enabled', True)
+    qc_params = request.data.get('qc_parameters')
+
+    # Register Shadowfax reverse order
+    res = shadowfax_service.create_return_pickup(
+        order_id=order.id,
+        address=pickup_address,
+        qc_enabled=qc_enabled,
+        qc_params=qc_params
+    )
+
+    # Save to ReturnPickup records in CRM
+    ReturnPickup.objects.create(
+        admin=request.user,
+        customer_user_id=customer.id,
+        order_id=order.id,
+        pickup_address=pickup_address,
+        shadowfax_return_awb=res.get('awb'),
+        qc_enabled=qc_enabled,
+        label_url=res.get('label_url'),
+        pickup_scheduled_date=res.get('pickup_scheduled_date'),
+        status='created'
+    )
+
+    # Log to Audit log
+    AuditLog.objects.create(
+        admin=request.user,
+        action='create_return',
+        target_type='order',
+        target_id=order.id,
+        details={
+            "awb": res.get('awb'),
+            "qc_enabled": qc_enabled,
+            "scheduled_date": res.get('pickup_scheduled_date')
+        }
+    )
+
+    # WhatsApp Alert
+    whatsapp_service.send_template_alert(customer.phone, "return_scheduled", {
+        "order_id": order.id,
+        "awb": res.get('awb'),
+        "date": res.get('pickup_scheduled_date')
+    })
+
+    return Response({"message": "Shadowfax return pickup scheduled", "data": res})

crm/views/product_views.py

@@ -0,0 +1,67 @@
+from rest_framework import status
+from rest_framework.decorators import api_view, permission_classes
+from rest_framework.response import Response
+from crm.permissions import IsCRMAdmin
+from seller_models.models import Product
+from crm.models import AuditLog
+from crm.serializers import ProductSerializer
+
+def log_product_action(admin, action, product_id, details):
+    AuditLog.objects.create(
+        admin=admin,
+        action=action,
+        target_type='product',
+        target_id=product_id,
+        details=details
+    )
+
+@api_view(['GET'])
+@permission_classes([IsCRMAdmin])
+def list_products(request):
+    products = Product.objects.all()
+    serializer = ProductSerializer(products, many=True)
+    return Response(serializer.data)
+
+@api_view(['POST'])
+@permission_classes([IsCRMAdmin])
+def approve_product(request, pk):
+    try:
+        product = Product.objects.get(pk=pk)
+    except Product.DoesNotExist:
+        return Response({"detail": "Product not found"}, status=404)
+
+    product.status = 'approved'
+    product.is_active = True
+    product.save()
+
+    log_product_action(request.user, 'approve_product', product.id, {"title": product.name})
+    return Response({"message": f"Product '{product.name}' approved successfully"})
+
+@api_view(['POST'])
+@permission_classes([IsCRMAdmin])
+def hold_product(request, pk):
+    try:
+        product = Product.objects.get(pk=pk)
+    except Product.DoesNotExist:
+        return Response({"detail": "Product not found"}, status=404)
+
+    product.status = 'on_hold'
+    product.is_active = False
+    product.save()
+
+    log_product_action(request.user, 'hold_product', product.id, {"title": product.name})
+    return Response({"message": f"Product '{product.name}' placed on hold"})
+
+@api_view(['DELETE'])
+@permission_classes([IsCRMAdmin])
+def delete_product(request, pk):
+    try:
+        product = Product.objects.get(pk=pk)
+    except Product.DoesNotExist:
+        return Response({"detail": "Product not found"}, status=404)
+
+    name = product.name
+    product.delete()
+
+    log_product_action(request.user, 'delete_product', pk, {"title": name})
+    return Response({"message": f"Product '{name}' permanently deleted"})

crm/views/seller_views.py

@@ -0,0 +1,137 @@
+from rest_framework import status
+from rest_framework.decorators import api_view, permission_classes
+from rest_framework.response import Response
+from crm.permissions import IsCRMAdmin
+from seller_models.models import SupplierProfile, Product
+from crm.models import AuditLog
+from crm.serializers import SupplierProfileSerializer, ProductSerializer
+from crm.services.whatsapp_service import WhatsAppService
+from django.utils import timezone
+
+whatsapp_service = WhatsAppService()
+
+def log_action(admin, action, target_id, details):
+    AuditLog.objects.create(
+        admin=admin,
+        action=action,
+        target_type='seller',
+        target_id=target_id,
+        details=details
+    )
+
+@api_view(['GET'])
+@permission_classes([IsCRMAdmin])
+def list_sellers(request):
+    sellers = SupplierProfile.objects.all()
+    status_filter = request.query_params.get('status')
+    if status_filter:
+        sellers = sellers.filter(status=status_filter)
+    
+    serializer = SupplierProfileSerializer(sellers, many=True)
+    return Response(serializer.data)
+
+@api_view(['GET'])
+@permission_classes([IsCRMAdmin])
+def get_seller_detail(request, pk):
+    try:
+        seller = SupplierProfile.objects.get(pk=pk)
+    except SupplierProfile.DoesNotExist:
+        return Response({"detail": "Seller not found"}, status=404)
+        
+    serializer = SupplierProfileSerializer(seller)
+    return Response(serializer.data)
+
+@api_view(['GET'])
+@permission_classes([IsCRMAdmin])
+def get_seller_documents(request, pk):
+    # Mocking returning presigned document URLs
+    docs = [
+        {"type": "Aadhar Card", "filename": "aadhar_back_front.pdf", "url": "https://digihox-kyc-bucket.s3.ap-south-2.amazonaws.com/aadhar.pdf?token=presigned123"},
+        {"type": "PAN Card", "filename": "pan_card_copy.jpg", "url": "https://digihox-kyc-bucket.s3.ap-south-2.amazonaws.com/pan.jpg?token=presigned123"},
+        {"type": "GSTIN Certificate", "filename": "gst_cert_2026.pdf", "url": "https://digihox-kyc-bucket.s3.ap-south-2.amazonaws.com/gst.pdf?token=presigned123"}
+    ]
+    return Response(docs)
+
+@api_view(['POST'])
+@permission_classes([IsCRMAdmin])
+def approve_seller(request, pk):
+    try:
+        seller = SupplierProfile.objects.get(pk=pk)
+    except SupplierProfile.DoesNotExist:
+        return Response({"detail": "Seller not found"}, status=404)
+
+    old_status = seller.status
+    seller.status = 'approved'
+    seller.save()
+
+    log_action(request.user, 'approve_seller', seller.id, {"old_status": old_status, "new_status": "approved"})
+    whatsapp_service.send_template_alert(seller.phone, "seller_approved", {"name": seller.name})
+
+    return Response({"message": f"Seller {seller.name} approved successfully"})
+
+@api_view(['POST'])
+@permission_classes([IsCRMAdmin])
+def reject_seller(request, pk):
+    reason = request.data.get('reason', 'Documents validation failed')
+    try:
+        seller = SupplierProfile.objects.get(pk=pk)
+    except SupplierProfile.DoesNotExist:
+        return Response({"detail": "Seller not found"}, status=404)
+
+    old_status = seller.status
+    seller.status = 'rejected'
+    seller.save()
+
+    log_action(request.user, 'reject_seller', seller.id, {"old_status": old_status, "new_status": "rejected", "reason": reason})
+    whatsapp_service.send_template_alert(seller.phone, "seller_rejected", {"name": seller.name, "reason": reason})
+
+    return Response({"message": f"Seller {seller.name} rejected successfully"})
+
+@api_view(['POST'])
+@permission_classes([IsCRMAdmin])
+def suspend_seller(request, pk):
+    reason = request.data.get('reason', 'Policy violation')
+    try:
+        seller = SupplierProfile.objects.get(pk=pk)
+    except SupplierProfile.DoesNotExist:
+        return Response({"detail": "Seller not found"}, status=404)
+
+    old_status = seller.status
+    seller.status = 'suspended'
+    seller.save()
+
+    log_action(request.user, 'suspend_seller', seller.id, {"old_status": old_status, "new_status": "suspended", "reason": reason})
+    whatsapp_service.send_template_alert(seller.phone, "seller_suspended", {"name": seller.name, "reason": reason})
+
+    return Response({"message": f"Seller {seller.name} suspended successfully"})
+
+@api_view(['POST'])
+@permission_classes([IsCRMAdmin])
+def reinstate_seller(request, pk):
+    try:
+        seller = SupplierProfile.objects.get(pk=pk)
+    except SupplierProfile.DoesNotExist:
+        return Response({"detail": "Seller not found"}, status=404)
+
+    old_status = seller.status
+    seller.status = 'approved'
+    seller.save()
+
+    log_action(request.user, 'reinstate_seller', seller.id, {"old_status": old_status, "new_status": "approved"})
+    whatsapp_service.send_template_alert(seller.phone, "seller_reinstated", {"name": seller.name})
+
+    return Response({"message": f"Seller {seller.name} reinstated successfully"})
+
+@api_view(['POST'])
+@permission_classes([IsCRMAdmin])
+def reset_seller_password(request, pk):
+    try:
+        seller = SupplierProfile.objects.get(pk=pk)
+    except SupplierProfile.DoesNotExist:
+        return Response({"detail": "Seller not found"}, status=404)
+
+    # Trigger password reset flow
+    whatsapp_service.send_otp(seller.phone, otp_type="password_reset")
+    log_action(request.user, 'reset_password', seller.id, {"email": seller.email})
+
+    return Response({"message": "Password reset alert successfully dispatched"})

crm/views/wallet_views.py

@@ -0,0 +1,83 @@
+from rest_framework import status
+from rest_framework.decorators import api_view, permission_classes
+from rest_framework.response import Response
+from crm.permissions import IsCRMAdmin
+from crm.models import WithdrawalRequest, AuditLog
+from seller_models.models import SupplierProfile
+from crm.services.whatsapp_service import WhatsAppService
+from crm.serializers import WithdrawalRequestSerializer
+from django.utils import timezone
+
+whatsapp_service = WhatsAppService()
+
+@api_view(['GET'])
+@permission_classes([IsCRMAdmin])
+def list_withdrawals(request):
+    reqs = WithdrawalRequest.objects.all()
+    serializer = WithdrawalRequestSerializer(reqs, many=True)
+    return Response(serializer.data)
+
+@api_view(['POST'])
+@permission_classes([IsCRMAdmin])
+def approve_withdrawal(request, pk):
+    try:
+        w_req = WithdrawalRequest.objects.get(pk=pk)
+    except WithdrawalRequest.DoesNotExist:
+        return Response({"detail": "Withdrawal request not found"}, status=404)
+
+    utr = request.data.get('utr_number')
+    if not utr:
+        return Response({"detail": "UTR number is required to confirm bank NEFT/IMPS transfer"}, status=400)
+
+    w_req.status = 'approved'
+    w_req.utr_number = utr
+    w_req.resolved_at = timezone.now()
+    w_req.resolved_by = request.user
+    w_req.save()
+
+    # Log to Audit log
+    AuditLog.objects.create(
+        admin=request.user,
+        action='approve_withdrawal',
+        target_type='withdrawal',
+        target_id=w_req.id,
+        details={"amount": str(w_req.amount), "utr": utr}
+    )
+
+    # WhatsApp Alert to Seller with UTR detail
+    try:
+        seller = SupplierProfile.objects.get(pk=w_req.seller_user_id)
+        whatsapp_service.send_template_alert(seller.phone, "withdrawal_success", {
+            "amount": str(w_req.amount),
+            "utr": utr
+        })
+    except Exception:
+        pass
+
+    return Response({"message": f"Withdrawal request #{w_req.id} approved with UTR {utr}"})
+
+@api_view(['POST'])
+@permission_classes([IsCRMAdmin])
+def reject_withdrawal(request, pk):
+    try:
+        w_req = WithdrawalRequest.objects.get(pk=pk)
+    except WithdrawalRequest.DoesNotExist:
+        return Response({"detail": "Withdrawal request not found"}, status=404)
+
+    reason = request.data.get('reason', 'Verification failed')
+    w_req.status = 'rejected'
+    w_req.admin_note = reason
+    w_req.resolved_at = timezone.now()
+    w_req.resolved_by = request.user
+    w_req.save()
+
+    # Log to Audit log
+    AuditLog.objects.create(
+        admin=request.user,
+        action='reject_withdrawal',
+        target_type='withdrawal',
+        target_id=w_req.id,
+        details={"reason": reason}
+    )
+
+    return Response({"message": f"Withdrawal request #{w_req.id} rejected"})

crmbackend.nginx.conf

@@ -0,0 +1,12 @@
+server {
+    listen 80;
+    server_name crmbackend.local;
+
+    location / {
+        proxy_pass http://127.0.0.1:8081;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+    }
+}

customer_models/admin.py

@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.

customer_models/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class CustomerModelsConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'customer_models'

customer_models/models.py

@@ -0,0 +1,25 @@
+from django.db import models
+
+class CustomerProfile(models.Model):
+    name = models.CharField(max_length=255)
+    email = models.EmailField(unique=True)
+    phone = models.CharField(max_length=20)
+    address = models.TextField()
+    status = models.CharField(max_length=50, default='active') # active, suspended, banned
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        managed = False
+        db_table = 'customer_profile'
+
+class Order(models.Model):
+    customer = models.ForeignKey(CustomerProfile, on_delete=models.DO_NOTHING, related_name='orders')
+    merchant_transaction_id = models.CharField(max_length=100, unique=True)
+    amount = models.DecimalField(max_digits=10, decimal_places=2)
+    payment_status = models.CharField(max_length=50, default='pending') # pending, completed, failed, refunded
+    delivery_status = models.CharField(max_length=50, default='pending') # pending, shipped, delivered, returned
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        managed = False
+        db_table = 'customer_order'

customer_models/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

customer_models/views.py

@@ -0,0 +1,3 @@
+from django.shortcuts import render
+
+# Create your views here.

digihoxbackend/asgi.py

@@ -0,0 +1,16 @@
+"""
+ASGI config for digihoxbackend project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.2/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'digihoxbackend.settings')
+
+application = get_asgi_application()

digihoxbackend/db_router.py

@@ -0,0 +1,27 @@
+class CRMDatabaseRouter:
+    def db_for_read(self, model, **hints):
+        if model._meta.app_label == 'seller_models':
+            return 'seller_db'
+        elif model._meta.app_label == 'customer_models':
+            return 'customer_db'
+        return 'default'
+
+    def db_for_write(self, model, **hints):
+        if model._meta.app_label == 'seller_models':
+            return 'seller_db'
+        elif model._meta.app_label == 'customer_models':
+            return 'customer_db'
+        return 'default'
+
+    def allow_relation(self, obj1, obj2, **hints):
+        return True
+
+    def allow_migrate(self, db, app_label, model_name=None, **hints):
+        if app_label == 'seller_models':
+            return db == 'seller_db'
+        elif app_label == 'customer_models':
+            return db == 'customer_db'
+        
+        if db in ['seller_db', 'customer_db']:
+            return False
+        return True

digihoxbackend/settings.py

@@ -0,0 +1,141 @@
+import os
+from pathlib import Path
+from dotenv import load_dotenv
+
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+load_dotenv(BASE_DIR / '.env')
+
+SECRET_KEY = os.getenv('SECRET_KEY', 'django-insecure-key')
+DEBUG = os.getenv('DEBUG', 'True') == 'True'
+ALLOWED_HOSTS = ['*']
+
+INSTALLED_APPS = [
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    
+    'rest_framework',
+    'corsheaders',
+    
+    'crm',
+    'seller_models',
+    'customer_models',
+]
+
+MIDDLEWARE = [
+    'corsheaders.middleware.CorsMiddleware',
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+]
+
+ROOT_URLCONF = 'digihoxbackend.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'digihoxbackend.wsgi.application'
+
+# Fallback to SQLite if PG databases are not fully configured or raise errors during checks
+USE_SQLITE = os.getenv('USE_SQLITE', 'True') == 'True'
+
+if USE_SQLITE:
+    DATABASES = {
+        'default': {
+            'ENGINE': 'django.db.backends.sqlite3',
+            'NAME': BASE_DIR / 'db.sqlite3',
+        },
+        'seller_db': {
+            'ENGINE': 'django.db.backends.sqlite3',
+            'NAME': BASE_DIR / 'seller_db.sqlite3',
+        },
+        'customer_db': {
+            'ENGINE': 'django.db.backends.sqlite3',
+            'NAME': BASE_DIR / 'customer_db.sqlite3',
+        }
+    }
+else:
+    DATABASES = {
+        'default': {
+            'ENGINE': 'django.db.backends.postgresql',
+            'NAME': os.getenv('CRM_DB_NAME', 'digihox_crm'),
+            'USER': os.getenv('CRM_DB_USER', 'postgres'),
+            'PASSWORD': os.getenv('CRM_DB_PASSWORD', 'postgres'),
+            'HOST': os.getenv('CRM_DB_HOST', '127.0.0.1'),
+            'PORT': os.getenv('CRM_DB_PORT', '5432'),
+        },
+        'seller_db': {
+            'ENGINE': 'django.db.backends.postgresql',
+            'NAME': os.getenv('SELLER_DB_NAME', 'seller_central'),
+            'USER': os.getenv('SELLER_DB_USER', 'postgres'),
+            'PASSWORD': os.getenv('SELLER_DB_PASSWORD', 'postgres'),
+            'HOST': os.getenv('SELLER_DB_HOST', '127.0.0.1'),
+            'PORT': os.getenv('SELLER_DB_PORT', '5432'),
+        },
+        'customer_db': {
+            'ENGINE': 'django.db.backends.postgresql',
+            'NAME': os.getenv('CUSTOMER_DB_NAME', 'customer_website'),
+            'USER': os.getenv('CUSTOMER_DB_USER', 'postgres'),
+            'PASSWORD': os.getenv('CUSTOMER_DB_PASSWORD', 'postgres'),
+            'HOST': os.getenv('CUSTOMER_DB_HOST', '127.0.0.1'),
+            'PORT': os.getenv('CUSTOMER_DB_PORT', '5432'),
+        }
+    }
+
+DATABASE_ROUTERS = ['digihoxbackend.db_router.CRMDatabaseRouter']
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+LANGUAGE_CODE = 'en-us'
+TIME_ZONE = 'UTC'
+USE_I18N = True
+USE_TZ = True
+
+STATIC_URL = 'static/'
+
+DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+
+REST_FRAMEWORK = {
+    'DEFAULT_AUTHENTICATION_CLASSES': (
+        'rest_framework_simplejwt.authentication.JWTAuthentication',
+    ),
+    'DEFAULT_PERMISSION_CLASSES': (
+        'rest_framework.permissions.IsAuthenticated',
+    ),
+}
+
+CORS_ALLOW_ALL_ORIGINS = True  # Admin WireGuard VPN only; safe for development

digihoxbackend/urls.py

@@ -0,0 +1,12 @@
+from django.contrib import admin
+from django.urls import path, include
+from django.http import HttpResponse
+
+def home_view(request):
+    return HttpResponse("crm api running")
+
+urlpatterns = [
+    path('', home_view, name='home'),
+    path('admin/', admin.site.urls),
+    path('api/crm/', include('crm.urls')),
+]

digihoxbackend/wsgi.py

@@ -0,0 +1,16 @@
+"""
+WSGI config for digihoxbackend project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/5.2/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'digihoxbackend.settings')
+
+application = get_wsgi_application()

manage.py

@@ -0,0 +1,22 @@
+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'digihoxbackend.settings')
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+    main()

requirements.txt

@@ -0,0 +1,8 @@
+Django>=4.2,<5.0
+djangorestframework>=3.14.0
+djangorestframework-simplejwt>=5.2.2
+django-cors-headers>=4.0.0
+python-dotenv>=1.0.0
+psycopg2-binary>=2.9.6
+requests>=2.31.0
+gunicorn==26.0.0

seller_models/admin.py

@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.

seller_models/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class SellerModelsConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'seller_models'

seller_models/models.py

@@ -0,0 +1,45 @@
+from django.db import models
+
+class SupplierProfile(models.Model):
+    name = models.CharField(max_length=255)
+    email = models.EmailField(unique=True)
+    phone = models.CharField(max_length=20)
+    address = models.TextField()
+    gstin = models.CharField(max_length=15)
+    pan = models.CharField(max_length=10)
+    status = models.CharField(max_length=50, default='pending_approval')
+    joined_at = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        managed = False
+        db_table = 'supplier_profile'
+
+class Product(models.Model):
+    supplier = models.ForeignKey(SupplierProfile, on_delete=models.DO_NOTHING, related_name='products')
+    name = models.CharField(max_length=255)
+    price = models.DecimalField(max_digits=10, decimal_places=2)
+    stock = models.IntegerField(default=0)
+    status = models.CharField(max_length=50, default='pending_approval')
+    is_active = models.BooleanField(default=True)
+
+    class Meta:
+        managed = False
+        db_table = 'product'
+
+class Wallet(models.Model):
+    supplier = models.ForeignKey(SupplierProfile, on_delete=models.DO_NOTHING)
+    balance = models.DecimalField(max_digits=12, decimal_places=2, default=0.00)
+
+    class Meta:
+        managed = False
+        db_table = 'wallet'
+
+class WalletTransaction(models.Model):
+    wallet = models.ForeignKey(Wallet, on_delete=models.DO_NOTHING)
+    amount = models.DecimalField(max_digits=10, decimal_places=2)
+    tx_type = models.CharField(max_length=20)
+    status = models.CharField(max_length=50)
+
+    class Meta:
+        managed = False
+        db_table = 'wallet_transaction'

seller_models/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

seller_models/views.py

@@ -0,0 +1,3 @@
+from django.shortcuts import render
+
+# Create your views here.