插件能力

djangoblog/settings.py

@@ -334,7 +334,9 @@ if os.environ.get('DJANGO_ELASTICSEARCH_HOST'):
 # Plugin System
 PLUGINS_DIR = BASE_DIR / 'plugins'
 ACTIVE_PLUGINS = [
-    'article_plugin_test',
+    'article_copyright',
+    'reading_time',
+    'external_links',
 ]
 
 # 加载插件

plugins/__init__.py

@@ -0,0 +1 @@
+# This file makes this a Python package

plugins/article_copyright/__init__.py

@@ -0,0 +1 @@
+# This file makes this a Python package

plugins/article_copyright/plugin.py

@@ -3,11 +3,9 @@ from djangoblog.plugin_manage import hooks
 
 
 class ArticleCopyrightPlugin(BasePlugin):
-    # 1. 将插件元数据定义为类属性，以匹配 BasePlugin 的要求
     PLUGIN_NAME = '文章结尾版权声明'
-    PLUGIN_DESCRIPTION = '一个在文章正文末尾添加版权声明的测试插件。'
+    PLUGIN_DESCRIPTION = '一个在文章正文末尾添加版权声明的插件。'
     PLUGIN_VERSION = '0.2.0'
-    # 也可以添加作者等其他自定义元数据
     PLUGIN_AUTHOR = 'liangliangyy'
 
     # 2. 实现 register_hooks 方法，专门用于注册钩子
@@ -24,7 +22,7 @@ class ArticleCopyrightPlugin(BasePlugin):
         if not article:
             return content
 
-        copyright_info = f"\n<hr><p>本文由 {article.author.username} 原创，转载请注明出处。</p>"
+        copyright_info = f"\n<hr><p>本文由 {article.author.nickname} 原创，转载请注明出处。</p>"
         return content + copyright_info
 
 

plugins/external_links/__init__.py

@@ -0,0 +1 @@
+# This file makes this a Python package

plugins/external_links/plugin.py

@@ -0,0 +1,47 @@
+import re
+from urllib.parse import urlparse
+from djangoblog.plugin_manage.base_plugin import BasePlugin
+from djangoblog.plugin_manage import hooks
+
+
+class ExternalLinksPlugin(BasePlugin):
+    PLUGIN_NAME = '外部链接处理器'
+    PLUGIN_DESCRIPTION = '自动为文章中的外部链接添加 target="_blank" 和 rel="noopener noreferrer" 属性。'
+    PLUGIN_VERSION = '0.1.0'
+    PLUGIN_AUTHOR = 'liangliangyy'
+
+    def register_hooks(self):
+        hooks.register('the_content', self.process_external_links)
+
+    def process_external_links(self, content, *args, **kwargs):
+        from djangoblog.utils import get_current_site
+        site_domain = get_current_site().domain
+
+        # 正则表达式查找所有 <a> 标签
+        link_pattern = re.compile(r'(<a\s+(?:[^>]*?\s+)?href=")([^"]*)(".*?/a>)', re.IGNORECASE)
+
+        def replacer(match):
+            # match.group(1) 是 <a ... href="
+            # match.group(2) 是链接 URL
+            # match.group(3) 是 ">...</a>
+            href = match.group(2)
+
+            # 如果链接已经有 target 属性，则不处理
+            if 'target=' in match.group(0).lower():
+                return match.group(0)
+
+            # 解析链接
+            parsed_url = urlparse(href)
+
+            # 如果链接是外部的 (有域名且域名不等于当前网站域名)
+            if parsed_url.netloc and parsed_url.netloc != site_domain:
+                # 添加 target 和 rel 属性
+                return f'{match.group(1)}{href}" target="_blank" rel="noopener noreferrer"{match.group(3)}'
+
+            # 否则返回原样
+            return match.group(0)
+
+        return link_pattern.sub(replacer, content)
+
+
+plugin = ExternalLinksPlugin()

plugins/reading_time/__init__.py

@@ -0,0 +1 @@
+# This file makes this a Python package

plugins/reading_time/plugin.py

@@ -0,0 +1,41 @@
+import re
+from djangoblog.plugin_manage.base_plugin import BasePlugin
+from djangoblog.plugin_manage import hooks
+
+
+class ReadingTimePlugin(BasePlugin):
+    PLUGIN_NAME = '阅读时间预测'
+    PLUGIN_DESCRIPTION = '估算文章阅读时间并显示在文章开头。'
+    PLUGIN_VERSION = '0.1.0'
+    PLUGIN_AUTHOR = 'liangliangyy'
+
+    def register_hooks(self):
+        hooks.register('the_content', self.add_reading_time)
+
+    def add_reading_time(self, content, *args, **kwargs):
+        """
+        计算阅读时间并添加到内容开头。
+        """
+        # 移除HTML标签和空白字符，以获得纯文本
+        clean_content = re.sub(r'<[^>]*>', '', content)
+        clean_content = clean_content.strip()
+        
+        # 中文和英文单词混合计数的一个简单方法
+        # 匹配中文字符或连续的非中文字符(视为单词)
+        words = re.findall(r'[\u4e00-\u9fa5]|\w+', clean_content)
+        word_count = len(words)
+        
+        # 按平均每分钟200字的速度计算
+        reading_speed = 200 
+        reading_minutes = round(word_count / reading_speed)
+
+        # 如果阅读时间少于1分钟，则显示为1分钟
+        if reading_minutes < 1:
+            reading_minutes = 1
+            
+        reading_time_html = f'<p style="color: #888;"><em>预计阅读时间：{reading_minutes} 分钟</em></p>'
+        
+        return reading_time_html + content
+
+
+plugin = ReadingTimePlugin()