add a checkbox for free events

dnscms/dnscms/static/js/page-editor.js

@@ -0,0 +1,21 @@
+function registerPricingPanelToggler() {
+  const checkbox = document.querySelector(
+    `input[type="checkbox"][id$="id_free"]`
+  );
+  const specificPricingPanel = document.querySelector(
+    `div#specific_pricing_panel`
+  );
+
+  function onChange() {
+    specificPricingPanel.style.display = checkbox.checked ? "none" : "block";
+  }
+
+  if (checkbox && specificPricingPanel) {
+    checkbox.addEventListener("change", () => onChange());
+    onChange();
+  }
+}
+
+document.addEventListener("DOMContentLoaded", () => {
+  registerPricingPanelToggler();
+});

dnscms/dnscms/wagtail_hooks.py

@@ -1,5 +1,7 @@
 from django.contrib.admin.utils import quote
+from django.templatetags.static import static
 from django.urls import reverse
+from django.utils.html import format_html
 from wagtail import hooks
 from wagtail.admin.menu import MenuItem
 
@@ -47,3 +49,8 @@ def make_publish_default_action(menu_items, request, context):
             menu_items.pop(index)
             menu_items.insert(0, item)
             break
+
+
+@hooks.register("insert_editor_js")
+def editor_js():
+    return format_html('<script src="{}"></script>', static("js/page-editor.js"))

dnscms/events/migrations/0029_eventpage_free.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.0.6 on 2024-06-05 22:35
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('events', '0028_eventpage_pig_alter_eventpage_body'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='eventpage',
+            name='free',
+            field=models.BooleanField(default=False),
+        ),
+    ]

dnscms/events/models.py

@@ -192,21 +192,28 @@ class EventPage(Page):
         help_text="Lenke direkte til arrangementet på Facebook",
     )
 
+    free = models.BooleanField(null=False, default=False)
     price_regular = models.IntegerField(null=True, blank=True)
     price_student = models.IntegerField(null=True, blank=True)
     price_member = models.IntegerField(null=True, blank=True)
 
     ticket_panels = [
-        FieldPanel("ticket_url", heading="Billettkjøpslenke"),
-        FieldRowPanel(
+        FieldPanel("free", heading="Gratis", help_text="Er dette arrangementet gratis for alle?"),
+        MultiFieldPanel(
             children=[
-                FieldPanel("price_regular", heading="Ordinær pris"),
-                FieldPanel("price_student", heading="Pris for studenter"),
-                FieldPanel("price_member", heading="Pris for medlemmer av DNS"),
+                FieldRowPanel(
+                    children=[
+                        FieldPanel("price_regular", heading="Ordinær pris"),
+                        FieldPanel("price_student", heading="Pris for studenter"),
+                        FieldPanel("price_member", heading="Pris for medlemmer av DNS"),
+                    ],
+                    help_text="",
+                ),
+                HelpPanel(content="La alle prisfeltene stå tomme om arrangementet er gratis."),
             ],
-            help_text="",
+            attrs={"id": "specific_pricing_panel"},
         ),
-        HelpPanel(content="La alle prisfeltene stå tomme om arrangementet er gratis."),
+        FieldPanel("ticket_url", heading="Billettkjøpslenke"),
     ]
 
     content_panels = Page.content_panels + [
@@ -220,10 +227,7 @@ class EventPage(Page):
             heading="Facebook-lenke",
             help_text="Lenke direkte til arrangementet på Facebook.",
         ),
-        MultiFieldPanel(
-            heading="Priser og billettkjøp",
-            children=ticket_panels,
-        ),
+        MultiFieldPanel(heading="Priser og billettkjøp", children=ticket_panels),
         MultiFieldPanel(
             children=[
                 HelpPanel(
@@ -233,7 +237,7 @@ class EventPage(Page):
                         "legg inn hver dag som en egen forekomst."
                     ),
                 ),
-                InlinePanel("occurrences", min_num=1),
+                InlinePanel("occurrences", min_num=1, label="Forekomst"),
             ]
         ),
     ]
@@ -244,6 +248,7 @@ class EventPage(Page):
         GraphQLString("pig"),
         GraphQLString("ticket_url"),
         GraphQLString("facebook_url"),
+        GraphQLBoolean("free"),
         GraphQLInt("price_regular"),
         GraphQLInt("price_student"),
         GraphQLInt("price_member"),
@@ -270,6 +275,15 @@ class EventPage(Page):
         ),
     ]
 
+    def clean(self):
+        super().clean()
+
+        # if the event is free, all specific pricing is unset
+        if self.free:
+            self.price_regular = None
+            self.price_student = None
+            self.price_member = None
+
 
 class EventOccurrence(Orderable):
     event = ParentalKey(EventPage, on_delete=models.CASCADE, related_name="occurrences")