add a quick mass edit view for OutgoingEmail objects so we can release the held emails in the queue

src/backoffice/templates/index.html

@@ -135,6 +135,10 @@
         <h4 class="list-group-item-heading">Shop Ticket Overview</h4>
         <p class="list-group-item-text">Use this to list shop tickets</p>
       </a>
+      <a href="{% url 'backoffice:outgoing_email_release' camp_slug=camp.slug %}" class="list-group-item">
+        <h4 class="list-group-item-heading">Edit and Release Held Emails</h4>
+        <p class="list-group-item-text">Use this view to edit and release OutgoingEmailQueue objects on hold.</p>
+      </a>
       {% endif %}
 
       {% if perms.camps.economyteam_permission %}

src/backoffice/templates/outgoing_email_mass_update.html

@@ -0,0 +1,63 @@
+{% extends 'program_base.html' %}
+{% load bootstrap3 %}
+{% load bornhack %}
+
+{% block title %}
+Edit and Release Held Emails | {{ block.super }}
+{% endblock %}
+
+{% block content %}
+<div class="panel panel-default">
+  <div class="panel-heading">
+      <h3 class="panel-title">Edit and Release Held Emails ({{ formset|length }})</h3>
+  </div>
+  <div class="panel-body">
+    <form method="post">
+      {{ formset.management_form }}
+      {% csrf_token %}
+      {% for form in formset %}
+      <div class="panel panel-default">
+        <div class="panel-heading">
+            <h4 class="panel-title">From {{ form.instance.sender }}: {{ form.instance.subject }}</h4>
+        </div>
+        <div class="panel-body">
+          <table class="table">
+            <tr>
+              <th>Created</th>
+              <td>{{ form.instance.created }}</td>
+            </tr>
+            <tr>
+              <th>Team</th>
+              <td>{{ form.instance.responsible_team }}</td>
+            </tr>
+            <tr>
+              <th>To</th>
+              <td>{{ form.instance.to_recipients|join:"<br>"|default:"N/A" }}</td>
+            </tr>
+            <tr>
+              <th>Cc</th>
+              <td>{{ form.instance.cc_recipients|join:"<br>"|default:"N/A" }}</td>
+            </tr>
+            <tr>
+              <th>Bcc</th>
+              <td>{{ form.instance.bcc_recipients|join:"<br>"|default:"N/A" }}</td>
+            </tr>
+            <tr>
+              <th>Attachment</th>
+              <td>{{ form.instance.attachment|default:"N/A" }}</td>
+            </tr>
+            <tr>
+              <th>Form</th>
+              <td>{% bootstrap_form form %}</td>
+            </tr>
+          </table>
+        </div>
+      </div>
+      {% endfor %}
+      <button type="submit" class="btn btn-success"><i class="fas fa-check"></i> Submit</button>
+      <a href="{% url 'backoffice:index' camp_slug=camp.slug %}" class="btn btn-primary"><i class="fas fa-undo"></i> Cancel</a>
+    </form>
+  </div>
+</div>
+{% endblock %}
+

src/backoffice/urls.py

@@ -58,6 +58,7 @@ from .views import (
     FacilityUpdateView,
     MerchandiseOrdersView,
     MerchandiseToOrderView,
+    OutgoingEmailMassUpdateView,
     PendingProposalsView,
     ProductHandoutView,
     ReimbursementCreateUserSelectView,
@@ -625,4 +626,10 @@ urlpatterns = [
             ]
         ),
     ),
+    # release held emails
+    path(
+        "release_emails",
+        OutgoingEmailMassUpdateView.as_view(),
+        name="outgoing_email_release",
+    ),
 ]

src/backoffice/views.py

@@ -46,6 +46,7 @@ from program.utils import save_speaker_availability
 from shop.models import Order, OrderProductRelation
 from teams.models import Team
 from tickets.models import DiscountTicket, ShopTicket, SponsorTicket, TicketType
+from utils.models import OutgoingEmail
 
 from .forms import (
     AutoScheduleApplyForm,
@@ -1904,3 +1905,54 @@ class BackofficeProxyView(CampViewMixin, RaisePermissionRequiredMixin, TemplateV
         context = super().get_context_data(*args, **kwargs)
         context["urls"] = settings.BACKOFFICE_PROXY_URLS
         return context
+
+
+################################
+# UPDATE HELD OUTGOING EMAILS
+
+
+class OutgoingEmailMassUpdateView(CampViewMixin, OrgaTeamPermissionMixin, FormView):
+    """
+    This view shows a list with forms to edit OutgoingEmail objects with hold=True
+    """
+
+    template_name = "outgoing_email_mass_update.html"
+
+    def setup(self, *args, **kwargs):
+        """Get emails with no team and emails with a team for the current camp."""
+        super().setup(*args, **kwargs)
+        self.queryset = OutgoingEmail.objects.filter(
+            hold=True, responsible_team__isnull=True
+        ).prefetch_related("responsible_team") | OutgoingEmail.objects.filter(
+            hold=True, responsible_team__camp=self.camp
+        ).prefetch_related(
+            "responsible_team"
+        )
+        self.form_class = modelformset_factory(
+            OutgoingEmail,
+            fields=["subject", "text_template", "html_template", "hold"],
+            min_num=self.queryset.count(),
+            validate_min=True,
+            max_num=self.queryset.count(),
+            validate_max=True,
+            extra=0,
+        )
+
+    def get_context_data(self, *args, **kwargs):
+        """Include the formset in the context."""
+        context = super().get_context_data(*args, **kwargs)
+        context["formset"] = self.form_class(queryset=self.queryset)
+        return context
+
+    def form_valid(self, form):
+        """Show a message saying how many objects were updated."""
+        form.save()
+        if form.changed_objects:
+            messages.success(
+                self.request, f"Updated {len(form.changed_objects)} OutgoingEmails"
+            )
+        return redirect(self.get_success_url())
+
+    def get_success_url(self, *args, **kwargs):
+        """Return to the backoffice index."""
+        return reverse("backoffice:index", kwargs={"camp_slug": self.camp.slug})

src/bornhack/settings.py

@@ -195,3 +195,6 @@ LEAFLET_CONFIG = {
 
 # used to find the economy team
 ECONOMY_TEAM_NAME = "Economy"
+
+# we have some large formsets sometimes
+DATA_UPLOAD_MAX_NUMBER_FIELDS = 5000