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python-blog/articles/admin.py

148 lines
4.5 KiB
Python

from django.contrib import admin, messages
from django.contrib.admin import register
from django.contrib.auth.admin import UserAdmin
from django.shortcuts import redirect
from .models import Article, Tag, User
admin.site.register(User, UserAdmin)
@register(Article)
class ArticleAdmin(admin.ModelAdmin):
ordering = ["status", "-published_at"]
list_display = [
"title",
"status",
"keywords",
"created_at",
"published_at",
"updated_at",
"views_count",
"has_code",
"is_home",
"has_custom_css",
"read_time",
]
list_display_links = ["title"]
list_filter = [
"status",
"has_code",
"status",
"is_home",
]
date_hierarchy = "created_at"
fieldsets = [
(
"Metadata",
{
"fields": [
("title", "slug"),
("author", "tags"),
("status", "published_at"),
("created_at", "updated_at"),
("views_count", "read_time"),
("has_code", "has_custom_css"),
]
},
),
(
"Content",
{"fields": ("content",)},
),
(
"Custom CSS",
{
"fields": ("custom_css",),
"classes": ("collapse",),
},
),
]
readonly_fields = [
"created_at",
"updated_at",
"views_count",
"status",
"published_at",
"read_time",
"has_custom_css",
]
prepopulated_fields = {"slug": ("title",)}
change_form_template = "articles/article_change_form.html"
search_fields = ["title", "content", "tags__name"]
autocomplete_fields = ["tags"]
show_full_result_count = False
def get_queryset(self, request):
queryset = super().get_queryset(request)
queryset = queryset.prefetch_related("tags")
return queryset
def publish(self, request, queryset):
if not request.user.has_perm("articles.change_article"):
messages.warning(request, "You're not allowed to do this.")
return
for article in queryset:
article.publish()
messages.success(request, f"{len(queryset)} articles published.")
publish.short_description = "Publish selected articles"
def unpublish(self, request, queryset):
if not request.user.has_perm("articles.change_article"):
messages.warning(request, "You're not allowed to do this.")
return
for article in queryset:
article.unpublish()
messages.success(request, f"{len(queryset)} articles unpublished.")
unpublish.short_description = "Unpublish selected articles"
def refresh_draft_key(self, request, queryset):
if not request.user.has_perm("articles.change_article"):
messages.warning(request, "You're not allowed to do this.")
return
for article in queryset:
article.refresh_draft_key()
messages.success(request, f"{len(queryset)} draft keys refreshed.")
refresh_draft_key.short_description = "Refresh draft key of selected articles"
actions = [publish, unpublish, refresh_draft_key]
class Media:
css = {"all": ("admin_articles.css",)}
def response_post_save_add(self, request, obj: Article):
if "_preview" in request.POST:
return redirect("article-detail", slug=obj.slug)
return super().response_post_save_add(request, obj)
def response_change(self, request, obj: Article):
if "_preview" in request.POST:
obj.save()
return redirect("article-detail", slug=obj.slug)
if "_publish" in request.POST:
obj.publish()
messages.success(request, "Item has been published")
return redirect(".")
if "_unpublish" in request.POST:
obj.unpublish()
messages.success(request, "Item has been unpublished")
return redirect(".")
return super().response_change(request, obj)
def read_time(self, instance: Article):
return f"{instance.get_read_time()} min"
def has_custom_css(self, instance: Article):
return bool(instance.custom_css)
has_custom_css.boolean = True
@register(Tag)
class TagAdmin(admin.ModelAdmin):
list_display = ["name", "slug"]
search_fields = ["slug", "name"]
list_display_links = ["slug", "name"]
prepopulated_fields = {"slug": ("name",)}