Add email template "merged" thanks to a migration and add merged_to field into the safe ticket context.

helpdesk/lib.py

@@ -26,7 +26,7 @@ def ticket_template_context(ticket):
     for field in ('title', 'created', 'modified', 'submitter_email',
                   'status', 'get_status_display', 'on_hold', 'description',
                   'resolution', 'priority', 'get_priority_display',
-                  'last_escalation', 'ticket', 'ticket_for_url',
+                  'last_escalation', 'ticket', 'ticket_for_url', 'merged_to',
                   'get_status', 'ticket_url', 'staff_url', '_get_assigned_to'
                   ):
         attr = getattr(ticket, field, None)

helpdesk/migrations/0034_create_email_template_for_merged.py

@@ -0,0 +1,57 @@
+# Generated by Django 2.2.13 on 2020-10-29 22:34
+
+from django.db import migrations
+
+
+def forwards_func(apps, schema_editor):
+    EmailTemplate = apps.get_model("helpdesk", "EmailTemplate")
+    db_alias = schema_editor.connection.alias
+    EmailTemplate.objects.using(db_alias).create(
+        template_name='merged',
+        subject='(Merged)',
+        heading='Ticket merged',
+        plain_text="""Hello,
+
+This is a courtesy e-mail to let you know that ticket {{ ticket.ticket }} ("{{ ticket.title }}") by {{ ticket.submitter_email }} has been merged to ticket {{ ticket.merged_to.ticket }}.
+
+From now on, please answer on this ticket, or you can include the tag {{ ticket.merged_to.ticket }} in your e-mail subject.""",
+        html="""<p style="font-family: sans-serif; font-size: 1em;">Hello,</p>
+
+<p style="font-family: sans-serif; font-size: 1em;">This is a courtesy e-mail to let you know that ticket <b>{{ ticket.ticket }}</b> (<em>{{ ticket.title }}</em>) by {{ ticket.submitter_email }} has been merged to ticket <a href="{{ ticket.merged_to.staff_url }}">{{ ticket.merged_to.ticket }}</a>.</p>
+
+<p style="font-family: sans-serif; font-size: 1em;">From now on, please answer on this ticket, or you can include the tag <b>{{ ticket.merged_to.ticket }}</b> in your e-mail subject.</p>""",
+        locale='en'
+    )
+    EmailTemplate.objects.using(db_alias).create(
+        template_name='merged',
+        subject='(Fusionné)',
+        heading='Ticket Fusionné',
+        plain_text="""Bonjour,
+
+Ce courriel indicatif permet de vous prévenir que le ticket  {{ ticket.ticket }} ("{{ ticket.title }}") par {{ ticket.submitter_email }} a été fusionné au ticket {{ ticket.merged_to.ticket }}.
+
+Veillez à répondre sur ce ticket dorénavant, ou bien inclure la balise {{ ticket.merged_to.ticket }} dans le sujet de votre réponse par mail.""",
+        html="""<p style="font-family: sans-serif; font-size: 1em;">Bonjour,</p>
+        
+<p style="font-family: sans-serif; font-size: 1em;">Ce courriel indicatif permet de vous prévenir que le ticket <b>{{ ticket.ticket }}</b> (<em>{{ ticket.title }}</em>) par {{ ticket.submitter_email }}  a été fusionné au ticket <a href="{{ ticket.merged_to.staff_url }}">{{ ticket.merged_to.ticket }}</a>.</p>
+
+<p style="font-family: sans-serif; font-size: 1em;">Veillez à répondre sur ce ticket dorénavant, ou bien inclure la balise <b>{{ ticket.merged_to.ticket }}</b> dans le sujet de votre réponse par mail.</p>""",
+        locale='fr'
+    )
+
+
+def reverse_func(apps, schema_editor):
+    EmailTemplate = apps.get_model("helpdesk", "EmailTemplate")
+    db_alias = schema_editor.connection.alias
+    EmailTemplate.objects.using(db_alias).filter(template_name='merged').delete()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('helpdesk', '0033_ticket_merged_to'),
+    ]
+
+    operations = [
+        migrations.RunPython(forwards_func, reverse_func),
+    ]