fix: detailed django celery beat installation (#483)

README.md

@@ -842,26 +842,41 @@ from django_celery_beat.models import (
     PeriodicTask,
     SolarSchedule,
 )
-
+from django_celery_beat.admin import ClockedScheduleAdmin as BaseClockedScheduleAdmin
+from django_celery_beat.admin import CrontabScheduleAdmin as BaseCrontabScheduleAdmin
+from django_celery_beat.admin import PeriodicTaskAdmin as BasePeriodicTaskAdmin
+from django_celery_beat.admin import PeriodicTaskForm, TaskSelectWidget
 
 admin.site.unregister(PeriodicTask)
 admin.site.unregister(IntervalSchedule)
 admin.site.unregister(CrontabSchedule)
 admin.site.unregister(SolarSchedule)
 admin.site.unregister(ClockedSchedule)
 
-@admin.register(PeriodicTask)
-class PeriodicTaskAdmin(ModelAdmin):
+
+class UnfoldTaskSelectWidget(UnfoldAdminSelectWidget, TaskSelectWidget):
     pass
 
 
+class UnfoldPeriodicTaskForm(PeriodicTaskForm):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.fields["task"].widget = UnfoldAdminTextInputWidget()
+        self.fields["regtask"].widget = UnfoldTaskSelectWidget()
+
+
+@admin.register(PeriodicTask)
+class PeriodicTaskAdmin(BasePeriodicTaskAdmin, ModelAdmin):
+    form = UnfoldPeriodicTaskForm
+
+
 @admin.register(IntervalSchedule)
 class IntervalScheduleAdmin(ModelAdmin):
     pass
 
 
 @admin.register(CrontabSchedule)
-class CrontabScheduleAdmin(ModelAdmin):
+class CrontabScheduleAdmin(BaseCrontabScheduleAdmin, ModelAdmin):
     pass
 
 
@@ -870,7 +885,7 @@ class SolarScheduleAdmin(ModelAdmin):
     pass
 
 @admin.register(ClockedSchedule)
-class ClockedScheduleAdmin(ModelAdmin):
+class ClockedScheduleAdmin(BaseClockedScheduleAdmin, ModelAdmin):
     pass
 ```