mirror of https://github.com/jkjoy/sunpeiwen.git
101 lines
2.9 KiB
JavaScript
101 lines
2.9 KiB
JavaScript
/**
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* Butterfly
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* Related Posts
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* According the tag
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*/
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'use strict'
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hexo.extend.helper.register('related_posts', function (currentPost, allPosts) {
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let relatedPosts = []
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currentPost.tags.forEach(function (tag) {
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allPosts.forEach(function (post) {
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if (isTagRelated(tag.name, post.tags)) {
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const relatedPost = {
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title: post.title,
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path: post.path,
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cover: post.cover,
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cover_type: post.cover_type,
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weight: 1,
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updated: post.updated,
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created: post.date
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}
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const index = findItem(relatedPosts, 'path', post.path)
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if (index !== -1) {
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relatedPosts[index].weight += 1
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} else {
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if (currentPost.path !== post.path) {
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relatedPosts.push(relatedPost)
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}
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}
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}
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})
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})
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if (relatedPosts.length === 0) {
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return ''
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}
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let result = ''
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const hexoConfig = hexo.config
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const config = hexo.theme.config
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const limitNum = config.related_post.limit || 6
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const dateType = config.related_post.date_type || 'created'
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const headlineLang = this._p('post.recommend')
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relatedPosts = relatedPosts.sort(compare('weight'))
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if (relatedPosts.length > 0) {
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result += '<div class="relatedPosts">'
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result += `<div class="headline"><i class="fas fa-thumbs-up fa-fw"></i><span>${headlineLang}</span></div>`
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result += '<div class="relatedPosts-list">'
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for (let i = 0; i < Math.min(relatedPosts.length, limitNum); i++) {
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const cover = relatedPosts[i].cover || 'var(--default-bg-color)'
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const title = this.escape_html(relatedPosts[i].title)
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result += `<div><a href="${this.url_for(relatedPosts[i].path)}" title="${title}">`
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if (relatedPosts[i].cover_type === 'img') {
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result += `<img class="cover" src="${this.url_for(cover)}" alt="cover">`
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} else {
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result += `<div class="cover" style="background: ${cover}"></div>`
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}
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if (dateType === 'created') {
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result += `<div class="content is-center"><div class="date"><i class="far fa-calendar-alt fa-fw"></i> ${this.date(relatedPosts[i].created, hexoConfig.date_format)}</div>`
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} else {
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result += `<div class="content is-center"><div class="date"><i class="fas fa-history fa-fw"></i> ${this.date(relatedPosts[i].updated, hexoConfig.date_format)}</div>`
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}
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result += `<div class="title">${title}</div>`
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result += '</div></a></div>'
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}
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result += '</div></div>'
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return result
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}
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})
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function isTagRelated (tagName, TBDtags) {
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let result = false
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TBDtags.forEach(function (tag) {
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if (tagName === tag.name) {
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result = true
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}
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})
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return result
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}
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function findItem (arrayToSearch, attr, val) {
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for (let i = 0; i < arrayToSearch.length; i++) {
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if (arrayToSearch[i][attr] === val) {
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return i
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}
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}
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return -1
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}
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function compare (attr) {
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return function (a, b) {
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const val1 = a[attr]
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const val2 = b[attr]
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return val2 - val1
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}
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}
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