---
# Posts List
---
{
  "posts":
  [
  {% assign totalCategories = "" %}
  {% for post in site.posts %}
    {% comment %}第一部分，获取文章的子目录+categories（优先级：目录 > categories变量）{% endcomment %}
    {% assign list = post.path|split:"/"; %}
    {% assign categories = post.categories|join:"," %}
    {% assign subdirs = "" %}
    {% for item in list %}
      {% assign index = list.size|minus:1 %}
      {% if forloop.index0 > 0 and forloop.index0 < index %}
        {% if subdirs == "" %}
          {% assign subdirs = item %}
        {% else %}
          {% assign subdirs = subdirs |append:"," |append:item %}
        {% endif %}
      {% endif %}
    {% endfor %}
    {% if subdirs != "" %}
      {% assign categories = categories |prepend:"," |prepend:subdirs %}
    {% endif %}
    {% assign categories = categories | split:"," %}

    {% comment %}第二部分，去重，因为uniq函数无法执行，因此写个函数去重{% endcomment %}
    {% assign result = "" %}
    {% for item in categories %}
      {% if result contains item %}
        {% continue %}
      {% elsif result == "" %}
        {% assign result = item %}
      {% else %}
        {% assign result = result | append:"," | append: item %}
      {% endif %}
    {% endfor %}

    {% comment %}增加到"总目录"{% endcomment %}
    {% if post == site.posts.first %}
      {% assign totalCategories = totalCategories | append: result %}
    {% else %}
      {% assign totalCategories = totalCategories | append:"," | append: result %}
    {% endif %}

    {% comment %}第三部分，处理新的目录数组{% endcomment %}
    {% assign categories = result | split:"," %}
    {
      "title": "{{ post.title }}",
      "words": "{{ post.content | number_of_words }}",
      "author": "{{ site.author }}",
      "date": "{{ post.date | date:"%Y-%m-%d %H:%M:%S" }}",
      "url": "{{ post.url }}",
      "pid": "{{ post.pid }}",
      "pin":  {% if post.pin and post.pin != '' %}
                {{ post.pin }}
              {% else %}
                0
              {% endif %},
      {% comment %}没有赋值为null，静态化后结果为""，但是判断时null != ''为true，所以这里不能为or{% endcomment %}
      "image": {% if post.image and post.image != '' %}
                  {% if post.image contains 'http:' or post.image contains 'https:' %}
                    "{{ post.image }}"
                  {% else %}
                    "{{ site.images_url }}{{ post.image }}"
                  {% endif %}
              {% else %}
                ""
              {% endif %},
      "categories":
      [
        {% if categories.size > 0 %}
            "{{ categories | join: '","'}}"
        {% endif %}
      ],
      "excerpt":
      {% assign excerpt = post.excerpt | strip %}
      {% if excerpt != "" %}
        "{{ post.excerpt | markdownify | strip | strip_newlines | strip_html | replace:"\", "\\\\" | replace:'"', '\"' | append:"..." | truncate:160 }}"    {% comment %}truncatewords不太识别中文，因为它是以空格为单词分割{% endcomment %}
      {% else %}
        ""
      {% endif %}
    }
    {% if post != site.posts.last %}
      ,
    {% endif %}
  {% endfor %}
  ],

  {% comment %}"总目录"去重{% endcomment %}
  {% assign result = "" %}
  {% assign categories = totalCategories | split:"," %}
  {% for item in categories %}
    {% if result contains item %}
      {% continue %}
    {% elsif result == "" %}
      {% assign result = item %}
    {% else %}
      {% assign result = result | append:"," | append: item %}
    {% endif %}
  {% endfor %}
  {% assign categories = result | split:"," %}

  "categories":
  [
    {% if categories.size > 0 %}
        "{{ categories | join: '","'}}"
    {% endif %}
  ]
}