Merge branch '383-external-link-widget' into 'master'

Resolve "Add dashboard widget for external link"

Closes #383

See merge request !505

aleksis/core/migrations/0010_auto_20210303_2004.py

+# Generated by Django 3.1.7 on 2021-03-03 20:04
+
+from django.db import migrations, models
+import django.db.models.deletion
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0009_default_dashboard'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='ExternalLinkWidget',
+            fields=[
+                ('dashboardwidget_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='core.dashboardwidget')),
+                ('url', models.URLField(verbose_name='URL')),
+                ('icon_url', models.URLField(verbose_name='Icon URL')),
+            ],
+            options={
+                'verbose_name': 'External link widget',
+                'verbose_name_plural': 'External link widgets',
+            },
+            bases=('core.dashboardwidget',),
+        ),
+    ]

aleksis/core/models.py

@@ -797,6 +797,20 @@ class DashboardWidget(PolymorphicModel, PureDjangoModel):
         verbose_name_plural = _("Dashboard Widgets")
 
 
+class ExternalLinkWidget(DashboardWidget):
+    template = "core/dashboard_widget/external_link_widget.html"
+
+    url = models.URLField(verbose_name=_("URL"))
+    icon_url = models.URLField(verbose_name=_("Icon URL"))
+
+    def get_context(self, request):
+        return {"title": self.title, "url": self.url, "icon_url": self.icon_url}
+
+    class Meta:
+        verbose_name = _("External link widget")
+        verbose_name_plural = _("External link widgets")
+
+
 class DashboardWidgetOrder(ExtensibleModel):
     widget = models.ForeignKey(
         DashboardWidget, on_delete=models.CASCADE, verbose_name=_("Dashboard widget")

aleksis/core/templates/core/dashboard_widget/external_link_widget.html

+<div class="card">
+        <div class="card-image">
+                <img src="{{ icon_url }}" alt="{{ title }}" />
+        </div>
+        <div class="card-action">
+                <a href="{{ url }}">{{ title }}</a>
+        </div>
+</div>