web/_includes/related-posts.html
2020-01-14 02:57:31 +08:00

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HTML

<!--
The related posts of current post.
Placed in the bottom of every single post.
© 2019 Cotes Chung
Published under the MIT License
-->
{% assign MAX_SIZE = 3 %}
{% assign TAG_SCORE = 1 %}
{% assign CATEGORY_SCORE = 0.5 %}
{% assign score_list = "" | split: "" %}
{% assign post_index = 0 %}
{% for post in site.posts %}
{% if post.url != page.url %}
{% 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 }}:{{ post_index }}{% endcapture %}
{% assign score_list = score_list | push: score_item %}
{% endif %}
{% endif %}
{% assign post_index = post_index | plus: 1 %}
{% endfor %}
{% if score_list.size > 0 %}
{% assign score_list = score_list | sort | reverse %}
{% assign count = 0 %}
<div id="related-posts" class="mt-4 mb-4 pb-3">
<h3 class="pt-2 mt-1 mb-4" data-toc-skip>Related Posts</h3>
<div class="card-deck mb-4">
{% for score_item in score_list %}
{% assign data = score_item | split: ":" %}
{% assign index = data[1] | plus: 0 %}
{% assign post = site.posts[index] %}
<div class="card">
<a href="{{ post.url }}">
<div class="card-body">
<span class="timeago small">
{{ post.date | date: POST_DATE }}
<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">
<p>{{ post.content | markdownify | strip_html | truncate: 200 | replace: '&', '&amp;' }}</p>
</div>
</div>
</a>
</div>
{% assign count = count | plus: 1 %}
{% if count >= MAX_SIZE %}
{% break %}
{% endif %}
{% endfor %}
</div> <!-- .card-deck -->
</div>
{% endif %}