71 lines
2.5 KiB
Python
71 lines
2.5 KiB
Python
from django.conf import settings
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from django.db import models
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from django.utils import timezone
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import markdown
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from django.utils.safestring import mark_safe
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from mdeditor.fields import MDTextField
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class Post(models.Model):
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title = models.CharField(max_length=100)
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content = MDTextField() # ✅ 改成这里
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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publish_date = models.DateTimeField(default=timezone.now)
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def __str__(self):
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return f"{self.title} ({self.publish_date.strftime('%Y-%m-%d')})"
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def get_markdown_content(self):
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import re
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import emoji
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content = self.content
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media_url = settings.MEDIA_URL.rstrip('/')
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# 统一处理所有可能的图片路径格式
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# 处理Markdown格式的图片 
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def replace_md_image(match):
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alt_text = match.group(1)
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img_path = match.group(2)
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# 如果路径已经包含媒体URL则不处理
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if img_path.startswith(media_url):
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return match.group(0)
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# 如果是相对路径，则添加媒体URL前缀
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if not img_path.startswith(('http://', 'https://', '/')):
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return f''
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return match.group(0)
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# 处理HTML格式的图片 <img src="path">
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def replace_html_image(match):
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quote = match.group(1) or ''
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img_path = match.group(2)
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# 如果路径已经包含媒体URL则不处理
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if img_path.startswith(media_url):
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return match.group(0)
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# 如果是相对路径，则添加媒体URL前缀
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if not img_path.startswith(('http://', 'https://', '/')):
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return f'src="{media_url}/{img_path}"'
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return match.group(0)
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# 使用函数替换处理所有Markdown图片
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content = re.sub(
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r'!\[([^\]]*)\]\(([^)]+)\)',
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replace_md_image,
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content
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)
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# 使用函数替换处理所有HTML图片
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content = re.sub(
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r'src=(["\']?)([^"\'>\s]+)\1',
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replace_html_image,
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content
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)
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# 先转换markdown到HTML
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html_content = markdown.markdown(content)
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# 将emoji shortcode转换为实际的emoji字符
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html_content = emoji.emojize(html_content, language='alias')
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return mark_safe(html_content)
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