64 lines
2.1 KiB
JavaScript
64 lines
2.1 KiB
JavaScript
import path from 'path'
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const renderOpts = { textOnly: true, encodeEntities: true }
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// This middleware exposes a list of all categories and child articles at /categories.json.
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// GitHub Support uses this for internal ZenDesk search functionality.
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export default async function categoriesForSupport(req, res, next) {
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const englishSiteTree = req.context.siteTree.en
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const allCategories = []
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await Promise.all(
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Object.keys(englishSiteTree).map(async (version) => {
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await Promise.all(
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englishSiteTree[version].childPages.map(async (productPage) => {
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if (productPage.page.relativePath.startsWith('early-access')) return
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if (!productPage.childPages) return
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await Promise.all(
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productPage.childPages.map(async (categoryPage) => {
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// We can't get the rendered titles from middleware/render-tree-titles
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// here because that middleware only runs on the current version, and this
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// middleware processes all versions.
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const name = categoryPage.page.title.includes('{')
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? await categoryPage.page.renderProp('title', req.context, renderOpts)
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: categoryPage.page.title
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allCategories.push({
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name,
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published_articles: await findArticlesPerCategory(categoryPage, [], req.context),
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})
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})
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)
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})
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)
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})
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)
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return res.json(allCategories)
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}
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async function findArticlesPerCategory(currentPage, articlesArray, context) {
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if (currentPage.page.documentType === 'article') {
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const title = currentPage.page.title.includes('{')
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? await currentPage.page.renderProp('title', context, renderOpts)
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: currentPage.page.title
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articlesArray.push({
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title,
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slug: path.basename(currentPage.href),
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})
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}
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if (!currentPage.childPages) return articlesArray
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// Run recursively to find any articles deeper in the tree.
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await Promise.all(
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currentPage.childPages.map(async (childPage) => {
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await findArticlesPerCategory(childPage, articlesArray, context)
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})
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)
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return articlesArray
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}
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