metaservice/tickets/admin.py

from django.contrib import admin
from tickets.models import Attachment, Comment, Task, TaskList, TicketType
from tickets.admin_utils import *
from django.contrib.auth.models import Group
from django.contrib.auth.admin import GroupAdmin


@admin.register(Task)
class TaskAdmin(admin.ModelAdmin):
    list_display = ("title", "task_list", "status", "priority", "due_date")
    list_filter = ("task_list",)
    ordering = ("priority",)
    search_fields = ("title",)

@admin.register(TaskList)
class TaskListAdmin(admin.ModelAdmin):
    actions = [add_default_tickets_list_admin]

@admin.register(TicketType)
class TicketTypeAdmin(admin.ModelAdmin):
    actions = [add_default_ticketstype_admin]

admin.site.unregister(Group)
@admin.register(Group)
class GroupsAdmin(admin.ModelAdmin):
    actions = [add_default_group_admin]
    search_fields = ("name",)
    ordering = ("name",)
    filter_horizontal = ("permissions",)

    def formfield_for_manytomany(self, db_field, request=None, **kwargs):
        if db_field.name == "permissions":
            qs = kwargs.get("queryset", db_field.remote_field.model.objects)
            kwargs["queryset"] = qs.select_related("content_type")
        return super().formfield_for_manytomany(db_field, request=request, **kwargs)

class CommentAdmin(admin.ModelAdmin):
    list_display = ("author", "date", "snippet")


class AttachmentAdmin(admin.ModelAdmin):
    list_display = ("task", "added_by", "timestamp", "file")
    autocomplete_fields = ["added_by", "task"]


admin.site.register(Comment, CommentAdmin)
admin.site.add_action(export_to_csv)
admin.site.register(Attachment)