Add order respondes

order/views.py

@@ -1,5 +1,9 @@
+import traceback
+
 from django.http import HttpResponseRedirect
 from django.shortcuts import render
+from django.urls import reverse
+
 from .forms import *
 from django.contrib.auth.decorators import login_required
 
@@ -37,7 +41,49 @@ def order_create(request):
 
 @login_required
 def order_view(request, order_id):
-    order = Order.get_all_for_user(request.user)
-    order = order.select_related('address_city').get(id=order_id)
-    images = OrderImage.objects.filter(order=order)
-    return render(request, 'orders/order-view.html', {"order": order, "images": images})
+    render_vars = {}
+    try:
+        order = Order.get_all_for_user(request.user)
+        order = order.select_related('address_city').get(id=order_id)
+        render_vars["order"] = order
+
+        render_vars["images"] = OrderImage.objects.filter(order=order)
+
+        render_vars["can_responde"] = order.owner_id != request.user.id
+
+        if render_vars["can_responde"]:
+            render_vars["respondes_count"] = OrderRespond.objects.filter(order_id=order_id).count()
+
+        render_vars["is_responde"] = OrderRespond.objects.filter(user_id=request.user.id, order_id=order_id).count() > 0
+
+        render_vars["respond_users"] = OrderRespond.objects.filter(order_id=order_id).\
+            select_related('user').order_by('create_time')
+
+    except Exception:
+        traceback.print_exc()
+        render_vars["order"] = None
+    return render(request, 'orders/order-view.html', render_vars)
+
+
+@login_required
+def order_respond(request, order_id):
+    try:
+        if request.method == 'POST':
+            action = None
+            if "action" in request.POST:
+                action = request.POST["action"]
+            else:
+                print("order_respond: no action param found!")
+
+            if action == "respond":
+                r = OrderRespond(order_id=order_id, user=request.user)
+                r.save()
+                print("order_respond: save respond!")
+
+            if action == "unrespond":
+                OrderRespond.objects.filter(order_id=order_id, user=request.user).delete()
+
+    except Exception:
+        traceback.print_exc()
+
+    return HttpResponseRedirect(f'/orders/view/{order_id}')