added email sending to listing cancellation

bookshare/trades/forms.py

@@ -143,6 +143,39 @@ class SellListingForm(forms.ModelForm):
         super(SellListingForm, self).__init__(*args, **kwargs)
         self.fields['email_message'].label = "Custom Message"
         self.fields['winning_bid'].required = True
+        self.fields['email_message'].initial = ''
+
+    class Meta:
+        model = Listing
+
+
+class UnSellListingForm(forms.ModelForm):
+
+    def __init__(self, *args, **kwargs):
+
+        self.helper = FormHelper()
+
+        self.helper.label_class = 'be-bold'
+        self.helper.layout = Layout(
+            Fieldset("",
+                     HTML("""<strong>Your Email to Your Bidder</strong>"""),
+                     HTML("""<div class="well"><em><p>Hey there!</p><p>Seller {{ listing.seller.user.first_name }} {{ listing.seller.user.last_name }} has cancelled your bid for {{ listing.title }} on SRCT Bookshare.</p><p>We certainly hope that this doesn't come as a shock. :-P</p><p>(If you don't know why you're getting this email, hey're the cc'ed email address-- {{ listing.seller.user.email }}. Contact them ASAP to clear up any confusion.)<p></em>"""),
+                     Field('email_message',
+                           placeholder='I haven\'t heard from you in a couple of days, so I\'m going to have to try to sell my textbook to someone else. :-/'),
+                     HTML("""<em><p>Thanks for using SRCT Bookshare!</p><p>Mason SRCT</p></em></div>"""),
+                     HTML("""<hr/ >"""),
+                     FormActions(Submit('submit', 'Email and Cancel Sale',
+                                        css_class='btn-primary'),
+                                 Button('cancel', 'Never Mind',
+                                        css_class='btn-default',
+                                        onclick="history.back()")
+                                 ),
+                     ),
+        )
+
+        super(UnSellListingForm, self).__init__(*args, **kwargs)
+        self.fields['email_message'].label = "Custom Message"
+        self.fields['email_message'].initial = ''
 
     class Meta:
         model = Listing

bookshare/trades/templates/listing_unsell.html

@@ -15,12 +15,19 @@ SRCT Bookshare • {{ listing.title }} • Cancel Sale
   </div>
 </div>
 
+{% load crispy_forms_tags %}
+
 <div class="row">
-  <div class="col-md-8 col-md-offset-2 text-center">
-    <form action="" method="post">{% csrf_token %}
-      {{ form.as_p }}
-      <input type="submit" value="Back on the Market" class="btn btn-primary" />
-      <input type="cancel" value="Never Mind" class="btn btn-default" onclick="history.back()" />
+  <div class="col-md-8 col-md-offset-2">
+    <div class="panel panel-default">
+      <div class="panel-body">
+        <div class="row">
+          <div class="col-md-10 col-md-offset-1">
+            {% crispy my_form %}
+          </div>
+        </div>
+      </div>
+    </div>
   </div>
 </div>
 {% endblock %}

bookshare/trades/views.py

@@ -18,7 +18,8 @@ from PIL import Image
 from braces.views import LoginRequiredMixin
 # imports from your apps
 from .models import Listing, Bid, Flag, Rating
-from .forms import ListingForm, BidForm, FlagForm, SellListingForm, RatingForm
+from .forms import ListingForm, BidForm, FlagForm, SellListingForm,\
+    UnSellListingForm, RatingForm
 from core.models import Student
 
 
@@ -383,18 +384,47 @@ class SellListing(LoginRequiredMixin, ListingActionMixin, UpdateView):
 
 class UnSellListing(LoginRequiredMixin, ListingActionMixin, UpdateView):
     model = Listing
-    fields = []
+    fields = ['email_message', ]
     template_suffix_name = '_unsell'
     context_object_name = 'listing'
     template_name = 'listing_unsell.html'
     login_url = 'login'
 
-    success_msg = "Your sale has been successfully cancelled!"
+    success_msg = """Your sale has been successfully cancelled,
+                     and your email successfully sent!"""
 
     def form_valid(self, form):
+        self.obj = self.get_object()
+        text_email = get_template('email/unsold.txt')
+        html_email = get_template('email/unsold.html')
+
+        email_context = Context({
+            'bidder_first_name': self.obj.winning_bid.bidder.user.first_name,
+            'seller_name': self.obj.seller.user.get_full_name(),
+            'bid_num': self.obj.winning_bid.price,
+            'listing_title': self.obj.title,
+            'seller_email': self.obj.seller.user.email,
+            'seller_email': form.instance.email_message, })
+
+        subject, from_email, to, cc = ('Your transaction has been cancelled on Bookshare',
+                                       'no-reply@bookshare.srct.io',
+                                       #self.obj.winning_bid.bidder.user.email,
+                                       #self.obj.seller.user.email)
+                                       'success@simulator.amazonses.com',
+                                       'success@simulator.amazonses.com')
+        text_content = text_email.render(email_context)
+        html_content = html_email.render(email_context)
+        msg = EmailMultiAlternatives(subject, text_content,
+                                     from_email, [to], [cc])
+        msg.attach_alternative(html_content, "text/html")
+        msg.send()
+
+        # this has to come after the email has been sent, otherwise these are
+        # cleaned out 
         form.instance.sold = False
         form.instance.date_closed = None
         form.instance.winning_bid = None
+
         return super(UnSellListing, self).form_valid(form)
 
     def get_context_data(self, **kwargs):
@@ -406,6 +436,9 @@ class UnSellListing(LoginRequiredMixin, ListingActionMixin, UpdateView):
         if not(selling_student == me):
             return HttpResponseForbidden()
 
+        form = UnSellListingForm()
+        context['my_form'] = form
+
         return context