mirror of https://github.com/requarks/wiki
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
97 lines
2.6 KiB
97 lines
2.6 KiB
const _ = require('lodash')
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const cheerio = require('cheerio')
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/* global WIKI */
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module.exports = async (pageId) => {
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WIKI.logger.info(`Rendering page ID ${pageId}...`)
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try {
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WIKI.models = require('../core/db').init()
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await WIKI.configSvc.loadFromDb()
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await WIKI.configSvc.applyFlags()
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const page = await WIKI.models.pages.getPageFromDb(pageId)
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if (!page) {
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throw new Error('Invalid Page Id')
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}
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await WIKI.models.renderers.fetchDefinitions()
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const pipeline = await WIKI.models.renderers.getRenderingPipeline(page.contentType)
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let output = page.content
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if (_.isEmpty(page.content)) {
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await WIKI.models.knex.destroy()
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WIKI.logger.warn(`Failed to render page ID ${pageId} because content was empty: [ FAILED ]`)
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}
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for (let core of pipeline) {
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const renderer = require(`../modules/rendering/${_.kebabCase(core.key)}/renderer.js`)
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output = await renderer.render.call({
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config: core.config,
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children: core.children,
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page: page,
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input: output
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})
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}
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// Parse TOC
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const $ = cheerio.load(output)
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let isStrict = $('h1').length > 0 // <- Allows for documents using H2 as top level
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let toc = { root: [] }
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$('h1,h2,h3,h4,h5,h6').each((idx, el) => {
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const depth = _.toSafeInteger(el.name.substring(1)) - (isStrict ? 1 : 2)
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let leafPathError = false
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const leafPath = _.reduce(_.times(depth), (curPath, curIdx) => {
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if (_.has(toc, curPath)) {
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const lastLeafIdx = _.get(toc, curPath).length - 1
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if (lastLeafIdx >= 0) {
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curPath = `${curPath}[${lastLeafIdx}].children`
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} else {
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leafPathError = true
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}
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}
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return curPath
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}, 'root')
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if (leafPathError) { return }
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const leafSlug = $('.toc-anchor', el).first().attr('href')
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$('.toc-anchor', el).remove()
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_.get(toc, leafPath).push({
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title: _.trim($(el).text()),
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anchor: leafSlug,
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children: []
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})
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})
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// Save to DB
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await WIKI.models.pages.query()
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.patch({
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render: output,
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toc: JSON.stringify(toc.root)
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})
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.where('id', pageId)
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// Save to cache
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await WIKI.models.pages.savePageToCache({
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...page,
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render: output,
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toc: JSON.stringify(toc.root)
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})
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await WIKI.models.knex.destroy()
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WIKI.logger.info(`Rendering page ID ${pageId}: [ COMPLETED ]`)
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} catch (err) {
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WIKI.logger.error(`Rendering page ID ${pageId}: [ FAILED ]`)
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WIKI.logger.error(err.message)
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// exit process with error code
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throw err
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}
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}
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