2023-08-08 01:47:36 +03:00
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<!-- Recommend the other 3 posts according to the tags and categories of the current post. -->
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2019-10-21 17:12:36 +03:00
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2023-05-06 02:22:29 +03:00
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<!-- The total size of related posts -->
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2020-06-04 17:01:59 +03:00
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{% assign TOTAL_SIZE = 3 %}
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2023-05-06 02:22:29 +03:00
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<!-- An random integer that bigger than 0 -->
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2019-10-21 17:12:36 +03:00
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{% assign TAG_SCORE = 1 %}
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2020-06-04 17:01:59 +03:00
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2023-05-06 02:22:29 +03:00
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<!-- Equals to TAG_SCORE / {max_categories_hierarchy} -->
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2019-10-21 17:12:36 +03:00
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{% assign CATEGORY_SCORE = 0.5 %}
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2023-05-06 02:22:29 +03:00
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{% assign SEPARATOR = ':' %}
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2020-06-04 17:01:59 +03:00
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2023-08-08 01:47:36 +03:00
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{% assign match_posts = '' | split: '' %}
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{% for category in page.categories %}
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{% assign match_posts = match_posts | push: site.categories[category] | uniq %}
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{% endfor %}
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{% for tag in page.tags %}
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{% assign match_posts = match_posts | push: site.tags[tag] | uniq %}
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{% endfor %}
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{% assign last_index = match_posts.size | minus: 1 %}
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2023-05-06 02:22:29 +03:00
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{% assign score_list = '' | split: '' %}
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2019-10-21 17:12:36 +03:00
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2020-06-04 17:01:59 +03:00
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{% for i in (0..last_index) %}
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2023-08-08 01:47:36 +03:00
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{% assign post = match_posts[i] %}
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2019-10-21 17:12:36 +03:00
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2020-06-04 17:01:59 +03:00
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{% if post.url == page.url %}
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{% continue %}
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{% endif %}
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2019-10-21 17:12:36 +03:00
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2020-06-04 17:01:59 +03:00
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{% assign score = 0 %}
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2019-10-21 17:12:36 +03:00
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2020-06-04 17:01:59 +03:00
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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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2019-10-21 17:12:36 +03:00
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{% endif %}
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2020-06-04 17:01:59 +03:00
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{% endfor %}
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2019-10-21 17:12:36 +03:00
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2020-06-04 17:01:59 +03:00
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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 }}{{ SEPARATOR }}{{ i }}{% endcapture %}
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{% assign score_list = score_list | push: score_item %}
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2019-10-21 17:12:36 +03:00
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{% endif %}
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{% endfor %}
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2023-05-06 02:22:29 +03:00
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{% assign index_list = '' | split: '' %}
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2020-06-04 17:01:59 +03:00
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2019-10-26 08:21:58 +03:00
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{% if score_list.size > 0 %}
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2019-10-21 17:12:36 +03:00
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{% assign score_list = score_list | sort | reverse %}
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2020-06-04 17:01:59 +03:00
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{% for entry in score_list limit: TOTAL_SIZE %}
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{% assign index = entry | split: SEPARATOR | last %}
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{% assign index_list = index_list | push: index %}
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{% endfor %}
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{% endif %}
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2023-08-08 01:47:36 +03:00
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{% assign relate_posts = '' | split: '' %}
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{% for index in index_list %}
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{% assign i = index | to_integer %}
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{% assign relate_posts = relate_posts | push: match_posts[i] %}
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{% endfor %}
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2020-06-04 17:01:59 +03:00
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2023-08-08 01:47:36 +03:00
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{% if relate_posts.size > 0 %}
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2022-08-08 17:03:25 +03:00
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<div id="related-posts" class="mb-2 mb-sm-4">
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2023-09-06 20:58:03 +03:00
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<h3 class="pt-2 mb-4" data-toc-skip>
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2023-05-06 02:22:29 +03:00
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{{ site.data.locales[include.lang].post.relate_posts }}
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</h3>
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2023-04-10 05:54:27 +03:00
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<div class="row row-cols-1 row-cols-md-2 row-cols-xl-3 g-4 mb-4">
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2023-08-08 01:47:36 +03:00
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{% for post in relate_posts %}
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2023-04-10 05:54:27 +03:00
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<div class="col">
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<a href="{{ post.url | relative_url }}" class="card post-preview h-100">
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<div class="card-body">
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{% include datetime.html date=post.date class="small" lang=include.lang %}
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2023-05-13 04:03:13 +03:00
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<h4 class="pt-0 my-2" data-toc-skip>{{ post.title }}</h4>
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2023-04-10 05:54:27 +03:00
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<div class="text-muted small">
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<p>
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{% include no-linenos.html content=post.content %}
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{{ content | markdownify | strip_html | truncate: 200 | escape }}
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</p>
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</div>
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2019-10-21 17:12:36 +03:00
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</div>
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2023-04-10 05:54:27 +03:00
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</a>
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</div>
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2023-05-06 02:22:29 +03:00
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{% endfor %}
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</div>
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<!-- .card-deck -->
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</div>
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<!-- #related-posts -->
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2020-06-04 17:01:59 +03:00
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{% endif %}
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