create export order to pdf file in admin panel + template

behshadrhp · Nov 10, 2023 · e80ede6 · e80ede6
1 parent 4482940
commit e80ede6
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Showing 5 changed files with 158 additions and 5 deletions.
diff --git a/order/admin.py b/order/admin.py
@@ -1,7 +1,8 @@
 import csv
 import datetime
-from django.http import HttpResponse
 
+from django.urls import reverse
+from django.http import HttpResponse
 from django.contrib import admin
 from django.utils.safestring import mark_safe
 
@@ -47,6 +48,13 @@ def export_to_csv_file(admin_model, request, queryset):
 export_to_csv_file.short_description = 'Export To CSV'
 
 
+def order_export_to_pdf_file(obj):
+    url = reverse('order:admin_order_pdf', args=[obj.id])
+    return mark_safe(f'<a href="{url}">PDF</a>')
+
+order_export_to_pdf_file.short_description = 'Invoice'
+
+
 class OrderItemInline(admin.TabularInline):
     model = OrderItem
     raw_id_fields = ['product']
@@ -61,9 +69,10 @@ class OrderAdmin(admin.ModelAdmin):
         'city',
         'paid',
         order_payment,
-        'create_at'
+        order_export_to_pdf_file
     ]
 
     list_filter = ['email', 'paid', 'create_at', 'update_at']
+    ordering = ['-paid', '-create_at']
     inlines = [OrderItemInline]
     actions  = [export_to_csv_file]
diff --git a/order/urls.py b/order/urls.py
@@ -5,5 +5,6 @@
 app_name = 'order'
 
 urlpatterns = [
-    path('create/', views.OrderCreate.as_view(), name='order_create'),    
+    path('create/', views.OrderCreate.as_view(), name='order_create'),
+    path('/admin/order/<int:order_id>/pdf/', views.admin_order_export_to_pdf, name='admin_order_pdf'), 
 ]
diff --git a/order/views.py b/order/views.py
@@ -1,8 +1,14 @@
+from django.conf import settings
+from django.http import HttpResponse
 from django.urls import reverse
 from django.views import View
-from django.shortcuts import render, redirect
+from django.shortcuts import render, redirect, get_object_or_404
+from django.contrib.admin.views.decorators import staff_member_required
+from django.template.loader import render_to_string
 
-from .models import OrderItem
+import weasyprint
+
+from .models import OrderItem, Order
 from .forms import OrderCerateForm
 from cart.cart import Cart
 from .tasks import order_created
@@ -46,3 +52,18 @@ def post(self, request):
 
         context = {'order': order}
         return render(request, 'order/create.html', context)
+
+
+@staff_member_required
+def admin_order_export_to_pdf(request, order_id):
+    '''
+    this class is for export data to pdf file.
+    '''
+
+    order = get_object_or_404(Order, id=order_id)
+    html = render_to_string('export/pdf.html', {'order': order})
+    response = HttpResponse(content_type='application/pdf')
+    response['Content-Disposition'] = f'filename=order_{order.id}.pdf'
+    weasyprint.HTML(string=html).write_pdf(response)
+
+    return response
diff --git a/requirements.txt b/requirements.txt
@@ -12,4 +12,5 @@ psycopg2-binary==2.9.6
 python-dotenv==1.0.0
 flower==2.0.1
 whitenoise==6.5.0
+weasyprint==60.1
 stripe==7.3.0
diff --git a/templates/export/pdf.html b/templates/export/pdf.html
@@ -0,0 +1,121 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <style>
+        body {
+            font-family: 'Arial', sans-serif;
+            margin: 20px;
+        }
+
+        h1 {
+            color: #333;
+            border-bottom: 2px solid #333;
+            padding-bottom: 5px;
+        }
+
+        p {
+            margin-bottom: 10px;
+        }
+
+        .secondary {
+            color: #777;
+        }
+
+        h3 {
+            color: #333;
+            margin-top: 20px;
+        }
+
+        table {
+            width: 100%;
+            border-collapse: collapse;
+            margin-top: 10px;
+        }
+
+        th, td {
+            border: 1px solid #ddd;
+            padding: 8px;
+            text-align: left;
+        }
+
+        th {
+            background-color: #f2f2f2;
+        }
+
+        .row1 {
+            background-color: #f9f9f9;
+        }
+
+        .row2 {
+            background-color: #e6e6e6;
+        }
+
+        .total {
+            background-color: #333;
+            color: #fff;
+        }
+
+        .num {
+            text-align: right;
+        }
+
+        .paid {
+            color: green;
+            font-weight: bold;
+        }
+
+        .pending {
+            color: red;
+            font-weight: bold;
+        }
+    </style>
+</head>
+<body>
+    <h1>My Shop</h1>
+    <p>
+        Invoice no. {{ order.id }}<br>
+        <span class="secondary">{{ order.created|date:"M d, Y" }}</span>
+    </p>
+
+    <h3>Bill to</h3>
+    <p>
+        {{ order.first_name }} {{ order.last_name }}<br>
+        {{ order.email }}<br>
+        {{ order.address }}<br>
+        {{ order.postal_code }}, {{ order.city }}
+    </p>
+
+    <h3>Items bought</h3>
+    <table>
+        <thead>
+            <tr>
+                <th>Product</th>
+                <th>Price</th>
+                <th>Quantity</th>
+                <th>Cost</th>
+            </tr>
+        </thead>
+        <tbody>
+            {% for item in order.items.all %}
+                <tr class="row{{ forloop.counter|divisibleby:2|yesno:"2,1" }}">
+                    <td>{{ item.product.title }}</td>
+                    <td class="num">${{ item.price }}</td>
+                    <td class="num">{{ item.quantity }}</td>
+                    <td class="num">${{ item.get_cost }}</td>
+                </tr>
+            {% endfor %}
+            <tr class="total">
+                <td colspan="3">Total</td>
+                <td class="num">${{ order.get_total_cost }}</td>
+            </tr>
+        </tbody>
+    </table>
+
+    <span class="{% if order.paid %}paid{% else %}pending{% endif %}">
+        {% if order.paid %}Paid{% else %}Pending payment{% endif %}
+    </span>
+</body>
+</html>