Changeset View

Standalone View

				from django.contrib import admin, messages
				from django.template import Template, Context
				from django.utils.safestring import mark_safe
				import anymail.exceptions

				from emails.models import Email

				iframe_template = Template('<iframe style="width: 100%" srcdoc="{{ body }}"></iframe>')


				def send(modeladmin, request, queryset):
				for email in queryset:
				try:
				email.send()
				except anymail.exceptions.AnymailRequestsAPIError as e:
				messages.error(request, str(e))


				send.short_description = "Send selected emails"


				@admin.register(Email)
				class EmailAdmin(admin.ModelAdmin):
				def rendered_html(self, obj) -> str:
				"""Preview the HTML version of the email."""
				context = Context({'body': obj.render_html()})
				rendered: str = iframe_template.render(context)
				return mark_safe(rendered)

				rendered_html.allow_tags = True
				rendered_html.short_description = "Preview"

				list_display = ['subject', 'from_email', 'to']
				readonly_fields = ['rendered_html', 'date_sent']
				actions = [send]