Ability to notify submissions status change (#4353)

backend/notifications/models.py

@@ -63,9 +63,8 @@ class EmailTemplate(TimeStampedModel):
             *BASE_PLACEHOLDERS,
             "conference_name",
             "proposal_title",
-            "invitation_url",
+            "proposal_type",
             "speaker_name",
-            "is_reminder",
         ],
         EmailTemplateIdentifier.proposal_scheduled: [
             *BASE_PLACEHOLDERS,

backend/submissions/admin.py

@@ -1,4 +1,6 @@
 from django.urls import reverse
+from grants.tasks import get_name
+from notifications.models import EmailTemplate, EmailTemplateIdentifier
 from custom_admin.admin import (
     confirm_pending_status,
     reset_pending_status_back_to_status,
@@ -8,6 +10,7 @@
 
 from django import forms
 from django.db.models import F
+from django.db import transaction
 from django.contrib import admin, messages
 from django.utils.html import mark_safe
 from django.utils.translation import gettext_lazy as _
@@ -322,6 +325,51 @@ class SubmissionCommentAdmin(admin.ModelAdmin):
     list_display = ("submission", "author", "text")
 
 
+NEW_STATUS_TO_EMAIL_TEMPLATE = {
+    Submission.STATUS.accepted: EmailTemplateIdentifier.proposal_accepted,
+    Submission.STATUS.rejected: EmailTemplateIdentifier.proposal_rejected,
+    Submission.STATUS.waiting_list: EmailTemplateIdentifier.proposal_in_waiting_list,
+}
+
+
+@admin.action(description="Apply and notify status change")
+@validate_single_conference_selection
+@transaction.atomic
+def apply_and_notify_status_change(modeladmin, request, queryset):
+    conference = queryset.first().conference
+    objs = list(queryset.select_related("speaker").prefetch_related("type"))
+    count = len(objs)
+
+    for submission in objs:
+        submission.status = submission.pending_status
+        placeholders = {
+            "conference_name": conference.name.localize("en"),
+            "proposal_title": submission.title.localize("en"),
+            "proposal_type": submission.type.name,
+            "speaker_name": get_name(submission.speaker, "there"),
+        }
+
+        template = NEW_STATUS_TO_EMAIL_TEMPLATE[submission.status]
+        email_template = EmailTemplate.objects.for_conference(
+            conference
+        ).get_by_identifier(template)
+        email_template.send_email(
+            recipient=submission.speaker,
+            placeholders=placeholders,
+        )
+
+    Submission.objects.bulk_update(
+        objs,
+        ["status"],
+    )
+
+    messages.add_message(
+        request,
+        messages.SUCCESS,
+        f"Confirmed and notified {count} proposals",
+    )
+
+
 @admin.register(SubmissionConfirmPendingStatusProxy)
 class SubmissionConfirmPendingStatusProxyAdmin(admin.ModelAdmin):
     list_display = (
@@ -338,6 +386,7 @@ class SubmissionConfirmPendingStatusProxyAdmin(admin.ModelAdmin):
     search_fields = ("speaker__full_name", "speaker__email", "title")
     list_display_links = None
     actions = [
+        apply_and_notify_status_change,
         confirm_pending_status,
         reset_pending_status_back_to_status,
     ]

backend/submissions/tests/test_admin.py

@@ -1,6 +1,10 @@
 from unittest.mock import call
+from conferences.tests.factories import ConferenceFactory
+from notifications.tests.factories import EmailTemplateFactory
+from notifications.models import EmailTemplateIdentifier, SentEmail
 import pytest
 from submissions.admin import (
+    apply_and_notify_status_change,
     send_proposal_in_waiting_list_email_action,
     send_proposal_rejected_email_action,
 )
@@ -59,3 +63,84 @@ def test_send_proposal_in_waiting_list_email_action(rf, mocker):
         ],
         any_order=True,
     )
+
+
+def test_apply_and_notify_status_change(rf, mocker):
+    mocker.patch("submissions.admin.messages")
+
+    conference = ConferenceFactory()
+    proposal_accepted_template = EmailTemplateFactory(
+        identifier=EmailTemplateIdentifier.proposal_accepted,
+        conference=conference,
+    )
+    proposal_rejected_template = EmailTemplateFactory(
+        identifier=EmailTemplateIdentifier.proposal_rejected,
+        conference=conference,
+    )
+    proposal_in_waiting_list_template = EmailTemplateFactory(
+        identifier=EmailTemplateIdentifier.proposal_in_waiting_list,
+        conference=conference,
+    )
+
+    accepted_submission = SubmissionFactory(
+        conference=conference,
+        status=Submission.STATUS.proposed,
+        pending_status=Submission.STATUS.accepted,
+        speaker__full_name="Marco",
+    )
+
+    rejected_submission = SubmissionFactory(
+        conference=conference,
+        status=Submission.STATUS.proposed,
+        pending_status=Submission.STATUS.rejected,
+        speaker__full_name="Jane",
+    )
+
+    waiting_list_proposal = SubmissionFactory(
+        conference=conference,
+        status=Submission.STATUS.proposed,
+        pending_status=Submission.STATUS.waiting_list,
+        speaker__full_name="John",
+    )
+
+    apply_and_notify_status_change(
+        None,
+        rf.post("/"),
+        queryset=Submission.objects.filter(status=Submission.STATUS.proposed),
+    )
+
+    assert SentEmail.objects.filter(
+        recipient=accepted_submission.speaker,
+        email_template=proposal_accepted_template,
+        conference=conference,
+        placeholders={
+            "conference_name": conference.name.localize("en"),
+            "proposal_title": accepted_submission.title.localize("en"),
+            "proposal_type": accepted_submission.type.name,
+            "speaker_name": "Marco",
+        },
+    ).exists()
+
+    assert SentEmail.objects.filter(
+        recipient=rejected_submission.speaker,
+        email_template=proposal_rejected_template,
+        conference=conference,
+        placeholders={
+            "conference_name": conference.name.localize("en"),
+            "proposal_title": rejected_submission.title.localize("en"),
+            "proposal_type": rejected_submission.type.name,
+            "speaker_name": "Jane",
+        },
+    ).exists()
+
+    assert SentEmail.objects.filter(
+        recipient=waiting_list_proposal.speaker,
+        email_template=proposal_in_waiting_list_template,
+        conference=conference,
+        placeholders={
+            "conference_name": conference.name.localize("en"),
+            "proposal_title": waiting_list_proposal.title.localize("en"),
+            "proposal_type": waiting_list_proposal.type.name,
+            "speaker_name": "John",
+        },
+    ).exists()