71 lines
2.1 KiB
HTML
71 lines
2.1 KiB
HTML
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<!--
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The related posts of current post.
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Placed in the bottom of every single post.
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© 2019 Cotes Chung
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Published under the MIT License
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-->
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{% assign MAX_SIZE = 3 %}
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{% assign TAG_SCORE = 1 %}
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{% assign CATEGORY_SCORE = 0.5 %}
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{% assign score_list = "" | split: "" %}
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{% assign post_index = 0 %}
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{% for post in site.posts %}
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{% if post.url != page.url %}
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{% assign score = 0 %}
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{% for tag in post.tags %}
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{% if page.tags contains tag %}
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{% assign score = score | plus: TAG_SCORE %}
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{% endif %}
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{% endfor %}
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{% for category in post.categories %}
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{% if page.categories contains category %}
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{% assign score = score | plus: CATEGORY_SCORE %}
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{% endif %}
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{% endfor %}
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{% if score > 0 %}
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{% capture score_item %}{{ score }}:{{ post_index }}{% endcapture %}
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{% assign score_list = score_list | push: score_item %}
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{% endif %}
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{% endif %}
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{% assign post_index = post_index | plus: 1 %}
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{% endfor %}
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{% unless score_list.size == 0 %}
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{% assign score_list = score_list | sort | reverse %}
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{% assign count = 0 %}
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<div id="related-posts" class="mt-4 mb-4 pb-3">
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<h3 class="pt-2 mt-1 mb-4" data-toc-skip>Related Posts</h3>
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<div class="card-deck mb-4">
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{% for score_item in score_list %}
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{% assign data = score_item | split: ":" %}
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{% assign index = data[1] | plus: 0 %}
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{% assign post = site.posts[index] %}
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<div class="card btn-box-shadow">
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<a href="{{ post.url }}">
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<div class="card-body">
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<span class="timeago text-muted small">
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{{ post.date | date: POST_DATE }}
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<i class="hidden">{{ page.date | date_to_xmlschema }}</i>
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</span>
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<h3 class="pt-0 mt-2 mb-3" data-toc-skip>{{ post.title }}</h3>
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<div class="text-muted small">
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<p>{{ post.content | markdownify | strip_html | truncate: 100 }}</p>
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</div>
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</div>
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</a>
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</div>
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{% assign count = count | plus: 1 %}
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{% if count >= MAX_SIZE %}
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{% break %}
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{% endif %}
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{% endfor %}
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</div><!-- .card-deck -->
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</div>
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{% endunless %}
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