parent
7b316bab51
commit
cf5f3bb63e
@ -1,142 +0,0 @@
|
||||
import json
|
||||
from django.utils.html import strip_tags
|
||||
from django.template.defaultfilters import truncatewords
|
||||
from djangoblog.plugin_manage.base_plugin import BasePlugin
|
||||
from djangoblog.plugin_manage import hooks
|
||||
from blog.models import Article, Category, Tag
|
||||
from djangoblog.utils import get_blog_setting
|
||||
|
||||
|
||||
class SeoOptimizerPlugin(BasePlugin):
|
||||
PLUGIN_NAME = 'SEO 优化器'
|
||||
PLUGIN_DESCRIPTION = '为文章、页面等提供 SEO 优化，动态生成 meta 标签和 JSON-LD 结构化数据。'
|
||||
PLUGIN_VERSION = '0.2.0'
|
||||
PLUGIN_AUTHOR = 'liuangliangyy'
|
||||
|
||||
def register_hooks(self):
|
||||
hooks.register('head_meta', self.dispatch_seo_generation)
|
||||
|
||||
def _get_article_seo_data(self, context, request, blog_setting):
|
||||
article = context.get('article')
|
||||
if not isinstance(article, Article):
|
||||
return None
|
||||
|
||||
description = strip_tags(article.body)[:150]
|
||||
keywords = ",".join([tag.name for tag in article.tags.all()]) or blog_setting.site_keywords
|
||||
|
||||
meta_tags = f'''
|
||||
<meta property="og:type" content="article"/>
|
||||
<meta property="og:title" content="{article.title}"/>
|
||||
<meta property="og:description" content="{description}"/>
|
||||
<meta property="og:url" content="{request.build_absolute_uri()}"/>
|
||||
<meta property="article:published_time" content="{article.pub_time.isoformat()}"/>
|
||||
<meta property="article:modified_time" content="{article.last_modify_time.isoformat()}"/>
|
||||
<meta property="article:author" content="{article.author.username}"/>
|
||||
<meta property="article:section" content="{article.category.name}"/>
|
||||
'''
|
||||
for tag in article.tags.all():
|
||||
meta_tags += f'<meta property="article:tag" content="{tag.name}"/>'
|
||||
meta_tags += f'<meta property="og:site_name" content="{blog_setting.site_name}"/>'
|
||||
|
||||
structured_data = {
|
||||
"@context": "https://schema.org",
|
||||
"@type": "Article",
|
||||
"mainEntityOfPage": {"@type": "WebPage", "@id": request.build_absolute_uri()},
|
||||
"headline": article.title,
|
||||
"description": description,
|
||||
"image": request.build_absolute_uri(article.get_first_image_url()),
|
||||
"datePublished": article.pub_time.isoformat(),
|
||||
"dateModified": article.last_modify_time.isoformat(),
|
||||
"author": {"@type": "Person", "name": article.author.username},
|
||||
"publisher": {"@type": "Organization", "name": blog_setting.site_name}
|
||||
}
|
||||
if not structured_data.get("image"):
|
||||
del structured_data["image"]
|
||||
|
||||
return {
|
||||
"title": f"{article.title} | {blog_setting.site_name}",
|
||||
"description": description,
|
||||
"keywords": keywords,
|
||||
"meta_tags": meta_tags,
|
||||
"json_ld": structured_data
|
||||
}
|
||||
|
||||
def _get_category_seo_data(self, context, request, blog_setting):
|
||||
category_name = context.get('tag_name')
|
||||
if not category_name:
|
||||
return None
|
||||
|
||||
category = Category.objects.filter(name=category_name).first()
|
||||
if not category:
|
||||
return None
|
||||
|
||||
title = f"{category.name} | {blog_setting.site_name}"
|
||||
description = strip_tags(category.name) or blog_setting.site_description
|
||||
keywords = category.name
|
||||
|
||||
# BreadcrumbList structured data for category page
|
||||
breadcrumb_items = [{"@type": "ListItem", "position": 1, "name": "首页", "item": request.build_absolute_uri('/')}]
|
||||
breadcrumb_items.append({"@type": "ListItem", "position": 2, "name": category.name, "item": request.build_absolute_uri()})
|
||||
|
||||
structured_data = {
|
||||
"@context": "https://schema.org",
|
||||
"@type": "BreadcrumbList",
|
||||
"itemListElement": breadcrumb_items
|
||||
}
|
||||
|
||||
return {
|
||||
"title": title,
|
||||
"description": description,
|
||||
"keywords": keywords,
|
||||
"meta_tags": "",
|
||||
"json_ld": structured_data
|
||||
}
|
||||
|
||||
def _get_default_seo_data(self, context, request, blog_setting):
|
||||
# Homepage and other default pages
|
||||
structured_data = {
|
||||
"@context": "https://schema.org",
|
||||
"@type": "WebSite",
|
||||
"url": request.build_absolute_uri('/'),
|
||||
"potentialAction": {
|
||||
"@type": "SearchAction",
|
||||
"target": f"{request.build_absolute_uri('/search/')}?q={{search_term_string}}",
|
||||
"query-input": "required name=search_term_string"
|
||||
}
|
||||
}
|
||||
return {
|
||||
"title": f"{blog_setting.site_name} | {blog_setting.site_description}",
|
||||
"description": blog_setting.site_description,
|
||||
"keywords": blog_setting.site_keywords,
|
||||
"meta_tags": "",
|
||||
"json_ld": structured_data
|
||||
}
|
||||
|
||||
def dispatch_seo_generation(self, metas, context):
|
||||
request = context.get('request')
|
||||
if not request:
|
||||
return metas
|
||||
|
||||
view_name = request.resolver_match.view_name
|
||||
blog_setting = get_blog_setting()
|
||||
|
||||
seo_data = None
|
||||
if view_name == 'blog:detailbyid':
|
||||
seo_data = self._get_article_seo_data(context, request, blog_setting)
|
||||
elif view_name == 'blog:category_detail':
|
||||
seo_data = self._get_category_seo_data(context, request, blog_setting)
|
||||
|
||||
if not seo_data:
|
||||
seo_data = self._get_default_seo_data(context, request, blog_setting)
|
||||
|
||||
json_ld_script = f'<script type="application/ld+json">{json.dumps(seo_data.get("json_ld", {}), ensure_ascii=False, indent=4)}</script>'
|
||||
|
||||
return f"""
|
||||
<title>{seo_data.get("title", "")}</title>
|
||||
<meta name="description" content="{seo_data.get("description", "")}">
|
||||
<meta name="keywords" content="{seo_data.get("keywords", "")}">
|
||||
{seo_data.get("meta_tags", "")}
|
||||
{json_ld_script}
|
||||
"""
|
||||
|
||||
plugin = SeoOptimizerPlugin()
|
||||
Loading…
Reference in new issue