med/media/admin.py

# -*- mode: python; coding: utf-8 -*-
# Copyright (C) 2017-2019 by BDE ENS Paris-Saclay
# SPDX-License-Identifier: GPL-3.0-or-later

from django.urls import reverse
from django.utils.html import format_html
from django.utils.translation import ugettext_lazy as _
from reversion.admin import VersionAdmin

from med.admin import admin_site
from .models import Auteur, Emprunt, Jeu, Media


class AuteurAdmin(VersionAdmin):
    list_display = ('nom',)
    search_fields = ('nom',)


class MediaAdmin(VersionAdmin):
    list_display = ('title', 'authors_list', 'side_title', 'isbn')
    search_fields = ('title', 'authors__nom', 'side_title', 'subtitle', 'isbn')
    autocomplete_fields = ('authors',)
    date_hierarchy = 'publish_date'

    def authors_list(self, obj):
        return ", ".join([a.nom for a in obj.authors.all()])

    authors_list.short_description = _('authors')


class EmpruntAdmin(VersionAdmin):
    list_display = ('media', 'user', 'date_emprunt', 'date_rendu',
                    'permanencier_emprunt', 'permanencier_rendu_custom')
    search_fields = ('media__title', 'media__side_title', 'user__username',
                     'date_emprunt', 'date_rendu')
    date_hierarchy = 'date_emprunt'
    autocomplete_fields = ('media', 'user', 'permanencier_emprunt',
                           'permanencier_rendu')

    def permanencier_rendu_custom(self, obj):
        """
        Show a button if item has not been returned yet
        """
        if obj.permanencier_rendu:
            return obj.permanencier_rendu
        else:
            return format_html(
                '<a class="button" href="{}">{}</a>',
                reverse('media:retour-emprunt', args=[obj.pk]),
                _('Turn back')
            )

    permanencier_rendu_custom.short_description = _('permanencier rendu')
    permanencier_rendu_custom.allow_tags = True


class JeuAdmin(VersionAdmin):
    list_display = ('nom', 'proprietaire', 'duree', 'nombre_joueurs_min',
                    'nombre_joueurs_max', 'comment')
    search_fields = ('nom', 'proprietaire__username', 'duree', 'comment')
    autocomplete_fields = ('proprietaire',)


admin_site.register(Auteur, AuteurAdmin)
admin_site.register(Media, MediaAdmin)
admin_site.register(Emprunt, EmpruntAdmin)
admin_site.register(Jeu, JeuAdmin)