from django.contrib import admin

from vbv_lernwelt.learning_mentor.models import LearningMentor


@admin.register(LearningMentor)
class LearningMentorAdmin(admin.ModelAdmin):
    def participant_count(self, obj):
        return obj.participants.count()

    participant_count.short_description = "Participants"

    list_display = ["mentor", "course", "participant_count"]