membershipworks: Copy EventMeetingTime start date to end in admin, when blank

just a minor improvement in UX

membershipworks/admin.py

@@ -1,3 +1,5 @@
+from dataclasses import dataclass
+
 from django.contrib import admin
 from django.contrib.humanize.templatetags.humanize import naturaltime
 from django.http import HttpRequest
@@ -10,6 +12,7 @@ from django_object_actions import (
 )
 from django_q.models import Task
 from django_q.tasks import async_task
+from django_vite.templatetags.django_vite import vite_asset_url
 from simple_history.admin import SimpleHistoryAdmin
 
 from .models import (
@@ -225,6 +228,20 @@ class EventAdmin(DjangoObjectActions, admin.ModelAdmin):
         ),
     ]
 
+    class Media:
+        @dataclass(frozen=True)
+        class LazyViteAssetUrl(str):
+            asset: str
+
+            def __str__(self) -> str:
+                return vite_asset_url(self.asset)
+
+        js = [
+            LazyViteAssetUrl(
+                "membershipworks/js/event_meeting_time_admin_helper.entry.ts"
+            )
+        ]
+
     @property
     def refresh_membershipworks_data(self):
         return run_task_action(self, "Refresh Data", scrape_events)

membershipworks/js/event_meeting_time_admin_helper.entry.ts

@@ -0,0 +1,25 @@
+function maybeUpdateEndField(start_date_field: HTMLInputElement) {
+  let end_date_field: HTMLInputElement | null | undefined = start_date_field
+    ?.closest(".form-row")
+    ?.querySelector(".field-end .vDateField");
+  if (end_date_field && !end_date_field.value) {
+    end_date_field.value = start_date_field.value;
+  }
+}
+
+function setupListeners(element: ParentNode) {
+  for (let start_date_field of element.querySelectorAll(
+    "#meeting_times-group .field-start .vDateField",
+  ) as NodeListOf<HTMLInputElement>) {
+    start_date_field.addEventListener("change", () => {
+      maybeUpdateEndField(start_date_field);
+    });
+    // element is focused after selecting a date using Django's DateTimeShortcuts
+    start_date_field.addEventListener("focus", () => {
+      maybeUpdateEndField(start_date_field);
+    });
+  }
+}
+
+$(() => setupListeners(document));
+$(document).on("formset:added", (event) => setupListeners(event.target));

package.json

@@ -10,6 +10,7 @@
   },
   "devDependencies": {
     "@types/bootstrap": "^5.2.10",
+    "@types/jquery": "^3.5.30",
     "@types/tabulator-tables": "^6.2.3",
     "globby": "^14.0.2",
     "prettier": "^3.3.3",

pnpm-lock.yaml

@@ -24,6 +24,9 @@ importers:
       '@types/bootstrap':
         specifier: ^5.2.10
         version: 5.2.10
+      '@types/jquery':
+        specifier: ^3.5.30
+        version: 3.5.30
       '@types/tabulator-tables':
         specifier: ^6.2.3
         version: 6.2.3
@@ -288,6 +291,12 @@ packages:
   '@types/estree@1.0.5':
     resolution: {integrity: sha512-/kYRxGDLWzHOB7q+wtSUQlFrtcdUccpfy+X+9iMBpHK8QLLhx2wIPYuS5DYtR9Wa/YlZAbIovy7qVdB1Aq6Lyw==}
 
+  '@types/jquery@3.5.30':
+    resolution: {integrity: sha512-nbWKkkyb919DOUxjmRVk8vwtDb0/k8FKncmUKFi+NY+QXqWltooxTrswvz4LspQwxvLdvzBN1TImr6cw3aQx2A==}
+
+  '@types/sizzle@2.3.8':
+    resolution: {integrity: sha512-0vWLNK2D5MT9dg0iOo8GlKguPAU02QjmZitPEsXRuJXU/OGIOt9vT9Fc26wtYuavLxtO45v9PGleoL9Z0k1LHg==}
+
   '@types/tabulator-tables@6.2.3':
     resolution: {integrity: sha512-ZeRF/WvtwFXml/4aT7kzfkHEiwbjHZdlIsjrgqcfdmpkl9GQ9XBHY6u9BblUaHX4NUiOlBeHrQKjvai6/bQH0g==}
 
@@ -624,6 +633,12 @@ snapshots:
 
   '@types/estree@1.0.5': {}
 
+  '@types/jquery@3.5.30':
+    dependencies:
+      '@types/sizzle': 2.3.8
+
+  '@types/sizzle@2.3.8': {}
+
   '@types/tabulator-tables@6.2.3': {}
 
   anymatch@3.1.3: