add action in admin shop order panel

shop/admin.py

@@ -1,10 +1,14 @@
 from django.contrib import admin
-from django.shortcuts import render
+from django.shortcuts import render, redirect
-from .models import Product, Color, Size, Order, OrderItem, GuestUser, Coupon, CouponUsage, OrderStatus, ShippingAddress
 from django.utils.html import format_html
 from django.urls import path
-from django.contrib import admin
+from django.http import HttpResponseRedirect
-from django.shortcuts import redirect
+from django import forms
+
+from .models import (
+    Product, Color, Size, Order, OrderItem, GuestUser, Coupon, CouponUsage, 
+    OrderStatus, ShippingAddress
+)
 
 @admin.register(Product)
 class ProductAdmin(admin.ModelAdmin):
@@ -45,18 +49,24 @@ class ShippingAddressAdmin(admin.ModelAdmin):
     list_display = ('street_address', 'city', 'postal_code', 'country')
     search_fields = ('street_address', 'city', 'postal_code', 'country')
 
+class ChangeOrderStatusForm(forms.Form):
+    _selected_action = forms.CharField(widget=forms.MultipleHiddenInput)
+    status = forms.ChoiceField(choices=OrderStatus.choices, label="New Status")
+
 @admin.register(Order)
 class OrderAdmin(admin.ModelAdmin):
     list_display = ('id', 'get_email', 'date_ordered', 'status', 'total_price', 'get_shipping_address')
     inlines = [OrderItemInline]
     list_filter = ('status', 'payment_status')
     readonly_fields = ('shipping_address_details',)
+    actions = ['change_order_status']
 
     def get_email(self, obj):
         if obj.guest_user:
             return obj.guest_user.email
         else:
             return obj.user.email
+    get_email.short_description = 'Email'
 
     def get_shipping_address(self, obj):
         if obj.shipping_address:
@@ -198,6 +208,38 @@ class OrderAdmin(admin.ModelAdmin):
             except Exception as e:
                 self.message_user(request, f"Error cancelling order: {str(e)}", level='ERROR')
         return redirect('admin:shop_order_changelist')
+        
+    def change_order_status(self, request, queryset):
+        """Admin action to change the status of selected orders"""
+        form = None
+        
+        if 'apply' in request.POST:
+            form = ChangeOrderStatusForm(request.POST)
+            
+            if form.is_valid():
+                status = form.cleaned_data['status']
+                count = 0
+                
+                for order in queryset:
+                    order.status = status
+                    order.save()
+                    count += 1
+                    
+                self.message_user(request, f"{count} orders have been updated to status '{OrderStatus(status).label}'.")
+                return HttpResponseRedirect(request.get_full_path())
+        
+        if not form:
+            form = ChangeOrderStatusForm(initial={'_selected_action': request.POST.getlist('_selected_action')})
+        
+        context = {
+            'title': 'Change Order Status',
+            'orders': queryset,
+            'form': form,
+            'action': 'change_order_status'
+        }
+        return render(request, 'admin/shop/order/change_status.html', context)
+    
+    change_order_status.short_description = "Change status for selected orders"
 
 class GuestUserOrderInline(admin.TabularInline):
     model = Order
@@ -240,4 +282,4 @@ class CouponUsageAdmin(admin.ModelAdmin):
     list_display = ('coupon', 'user', 'guest_email', 'order', 'used_at')
     list_filter = ('used_at',)
     search_fields = ('coupon__code', 'user__username', 'user__email', 'guest_email')
-    readonly_fields = ('used_at',)
+    readonly_fields = ('used_at',)

shop/signals.py

@@ -238,7 +238,7 @@ Montant payé: {final_price}€"""
         }
 
     # Order status update email
-    elif status in [OrderStatus.SHIPPED, OrderStatus.DELIVERED, OrderStatus.CANCELED, OrderStatus.PREPARED, OrderStatus.REFUNDED]:
+    elif status in [OrderStatus.SHIPPED, OrderStatus.DELIVERED, OrderStatus.CANCELED, OrderStatus.PREPARED, OrderStatus.REFUNDED, OrderStatus.READY]:
         status_message = {
             OrderStatus.PREPARED: "Votre commande est en cours de préparation.",
             OrderStatus.READY: "Votre commande est prête.",

shop/templates/admin/shop/order/change_status.html

@@ -0,0 +1,32 @@
+{% extends "admin/base_site.html" %}
+{% load i18n l10n admin_urls %}
+
+{% block content %}
+<div class="module">
+  <h2>{{ title }}</h2>
+  <div>
+    <p>Change status for the following {{ orders|length }} orders:</p>
+    <ul>
+      {% for order in orders %}
+        <li>{{ order }}</li>
+      {% endfor %}
+    </ul>
+  </div>
+
+  <form action="{% url 'admin:shop_order_changelist' %}" method="post">
+    {% csrf_token %}
+    <input type="hidden" name="action" value="{{ action }}" />
+    
+    {{ form.as_p }}
+    
+    {% for obj in orders %}
+      <input type="hidden" name="_selected_action" value="{{ obj.pk }}" />
+    {% endfor %}
+    
+    <div class="actions">
+      <input type="submit" name="apply" value="Change Status" class="default" />
+      <a href="{% url 'admin:shop_order_changelist' %}" class="button cancel-link">Cancel</a>
+    </div>
+  </form>
+</div>
+{% endblock %}