Add finished_by field to TaskState

wagtail/admin/templates/wagtailadmin/pages/workflow_history/detail.html

@@ -70,9 +70,15 @@
                         {% for task_state in task_states %}
                             <td>
                                 {% if task_state.status == 'approved' or task_state.status == 'rejected' %}
-                                    {% blocktrans with action='<div class="status-tag primary">'|add:task_state.get_status_display|add:'</div>'|safe at=task_state.finished_at %}
-                                        {{ action }} at <b>{{ at }}</b>
-                                    {% endblocktrans %}
+                                    {% if task_state.finished_by %}
+                                        {% blocktrans with action='<div class="status-tag primary">'|add:task_state.get_status_display|add:'</div>'|safe who=task_state.finished_by.get_full_name|default:task_state.finished_by.get_username at=task_state.finished_at %}
+                                            {{ action }} by <b>{{ who }}</b> at <b>{{ at }}</b>
+                                        {% endblocktrans %}
+                                    {% else %}
+                                        {% blocktrans with action='<div class="status-tag primary">'|add:task_state.get_status_display|add:'</div>'|safe at=task_state.finished_at %}
+                                            {{ action }} at <b>{{ at }}</b>
+                                        {% endblocktrans %}
+                                    {% endif %}
                                 {% else %}
                                     <div class="status-tag primary">{{ task_state.get_status_display }}</div>
                                 {% endif %}
@@ -113,7 +119,13 @@
                             {% elif timeline_item.action ==  'task_completed' %}
                                 <b>{{ timeline_item.task_state.task }}</b>
 
-                               <div class="status-tag primary">{{ timeline_item.task_state.get_status_display }}</div>
+                                {% if timeline_item.task_state.finished_by %}
+                                    {% blocktrans with action='<div class="status-tag primary">'|add:timeline_item.task_state.get_status_display|add:'</div>'|safe who=timeline_item.task_state.finished_by.get_full_name|default:timeline_item.task_state.finished_by.get_username %}
+                                        {{ action }} by <b>{{ who }}</b>
+                                    {% endblocktrans %}
+                                {% else %}
+                                    <div class="status-tag primary">{{ timeline_item.task_state.get_status_display }}</div>
+                                {% endif %}
                             {% endif %}
                         </td>
                     </tr>

wagtail/core/migrations/0049_taskstate_finished_by.py

@@ -0,0 +1,21 @@
+# Generated by Django 3.0.3 on 2020-03-10 11:01
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('wagtailcore', '0048_add_default_workflows'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='taskstate',
+            name='finished_by',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='finished_task_states', to=settings.AUTH_USER_MODEL, verbose_name='finished by'),
+        ),
+    ]

wagtail/core/models.py

@@ -2955,6 +2955,14 @@ class TaskState(MultiTableCopyMixin, models.Model):
     status = models.fields.CharField(choices=STATUS_CHOICES, verbose_name=_("status"), max_length=50, default=STATUS_IN_PROGRESS)
     started_at = models.DateTimeField(verbose_name=_('started at'), auto_now_add=True)
     finished_at = models.DateTimeField(verbose_name=_('finished at'), blank=True, null=True)
+    finished_by = models.ForeignKey(
+        settings.AUTH_USER_MODEL,
+        verbose_name=_('finished by'),
+        null=True,
+        blank=True,
+        on_delete=models.SET_NULL,
+        related_name='finished_task_states'
+    )
     content_type = models.ForeignKey(
         ContentType,
         verbose_name=_('content type'),