<!-- Recommend the other 3 posts according to the tags and categories of the current post, if the number is not enough, use the other latest posts to supplement. v2.0 https://github.com/cotes2020/jekyll-theme-chirpy © 2019 Cotes Chung Published under the MIT License --> <!-- The total size of related posts --> {% assign TOTAL_SIZE = 3 %} <!-- An random integer that bigger than 0 --> {% assign TAG_SCORE = 1 %} <!-- Equals to TAG_SCORE / {max_categories_hierarchy} --> {% assign CATEGORY_SCORE = 0.5 %} {% assign SEPARATOR = ":" %} {% assign score_list = "" | split: "" %} {% assign last_index = site.posts.size | minus: 1 %} {% for i in (0..last_index) %} {% assign post = site.posts[i] %} {% if post.url == page.url %} {% continue %} {% endif %} {% assign score = 0 %} {% for tag in post.tags %} {% if page.tags contains tag %} {% assign score = score | plus: TAG_SCORE %} {% endif %} {% endfor %} {% for category in post.categories %} {% if page.categories contains category %} {% assign score = score | plus: CATEGORY_SCORE %} {% endif %} {% endfor %} {% if score > 0 %} {% capture score_item %}{{ score }}{{ SEPARATOR }}{{ i }}{% endcapture %} {% assign score_list = score_list | push: score_item %} {% endif %} {% endfor %} {% assign index_list = "" | split: "" %} {% if score_list.size > 0 %} {% assign score_list = score_list | sort | reverse %} {% for entry in score_list limit: TOTAL_SIZE %} {% assign index = entry | split: SEPARATOR | last %} {% assign index_list = index_list | push: index %} {% endfor %} {% endif %} <!-- Fill with the other newlest posts --> {% assign less = TOTAL_SIZE | minus: index_list.size %} {% if less > 0 %} {% for i in (0..last_index) %} {% assign post = site.posts[i] %} {% if post.url != page.url %} {% capture cur_index %}{{ i }}{% endcapture %} {% unless index_list contains cur_index %} {% assign index_list = index_list | push: cur_index %} {% assign less = less | minus: 1 %} {% if less <= 0 %} {% break %} {% endif %} {% endunless %} {% endif %} {% endfor %} {% endif %} {% if index_list.size > 0 %} <div id="related-posts" class="mt-4 mb-2 mb-sm-4 pb-2"> <h3 class="pt-2 mt-1 mb-4 ml-1" data-toc-skip>{{ site.data.label.post.relate_posts }}</h3> <div class="card-deck mb-4"> {% for entry in index_list %} {% assign index = entry | plus: 0 %} {% assign post = site.posts[index] %} <div class="card"> <a href="{{ post.url | relative_url }}"> <div class="card-body"> <span class="timeago small"> {{ post.date | date: site.data.date_format.post }} <i class="unloaded">{{ post.date | date_to_xmlschema }}</i> </span> <h3 class="pt-0 mt-1 mb-3" data-toc-skip>{{ post.title }}</h3> <div class="text-muted small"> {% assign content = post.content %} {% include no-linenos.html %} <p>{{ content | markdownify | strip_html | truncate: 200 | replace: '&', '&' }}</p> </div> </div> </a> </div> {% endfor %} </div> <!-- .card-deck --> </div> <!-- #related-posts --> {% endif %}