teddit/inc/teddit_api/handleUser.js

module.exports = function() {
  const config = require('../../config')
  this.handleTedditApiUser = async (json, req, res, from, api_type, api_target, user) => {
    if(!config.api_enabled) {
      res.setHeader('Content-Type', 'application/json')
      let msg = { info: 'This instance do not support API requests. Please see https://codeberg.org/teddit/teddit#instances for instances that support API, or setup your own instance.' }
      return res.end(JSON.stringify(msg))
    }
   
    console.log('Teddit API request - user')
    let _json = json // Keep the original json
    if(from === 'redis')
      json = JSON.parse(json)
    
    let protocol = (config.https_enabled ? 'https' : 'http')
    let link = `${protocol}://${config.domain}/user/${user}`
    
    if(api_type === 'rss') {
      let items = ''
      let posts_limit = 25
      
      if(json.overview.data.children.length <= posts_limit) {
        posts_limit = json.overview.data.children.length
      }
      
      for(var i = 0; i < posts_limit; i++) {
        let post = json.overview.data.children[i].data
        let post_id = post.permalink.split('/').slice(-2)[0] + '/'
        let url = post.permalink.replace(post_id, '')
        let permalink = `${protocol}://${config.domain}${post.permalink}`
        let comments_url = `${protocol}://${config.domain}${url}`
        let kind = json.overview.data.children[i].kind
        
        let t1_elements = ''
        let t3_elements = ''
        if(kind === 't1') {
          let append_desc_html = `<br/><a href="${permalink}">[link]</a> <a href="${comments_url}">[comments]</a>`
          t1_elements = `
            <description><![CDATA[${unescape(post.body_html)}${append_desc_html}]]></description>
            <url>${comments_url}</url>
          `
        }
        if(kind === 't3') {
          let s = await downloadAndSave(post.thumbnail, 'thumb_')
          let thumbnail = ''
          let enclosure = ''
          if(s !== 'self' && s != '') {
            let img = `${protocol}://${config.domain}${s}`
            thumbnail = `<thumbnail>${img}</thumbnail>`
            
            let mime = ''
            let ext = s.split('.').pop()
            if(ext === 'png')
              mime = 'image/png'
            else
              mime = 'image/jpeg'
            enclosure = `<enclosure length="0" type="${mime}" url="${img}" />`
          }
          let append_desc_html = `submitted by <a href="${protocol}://${config.domain}/u/${user}>/u/${user}</a> to <a href="${protocol}://${config.domain}/r/${post.subreddit}/">r/${post.subreddit}</a>`
          append_desc_html += `<br/><a href="${permalink}">[comments]</a>`
          t3_elements = `
            <description><![CDATA[${unescape(post.selftext_html)}${append_desc_html}]]></description>
            ${thumbnail}
            ${enclosure}
          `
        }
        
        let title = post.title
        if(!post.title)
          title = post.link_title
          
        items += `
          <item>
            <title>${title}</title>
            <dc:creator>/u/${user}</dc:creator>
            <kind>${kind}</kind>
            <subreddit>${post.subreddit}</subreddit>
            <created>${post.created_utc}</created>
            <pubDate>${new Date(post.created_utc*1000).toGMTString()}</pubDate>
            <ups>${post.ups}</ups>
            <link>${permalink}</link>
            <edited>${post.edited}</edited>
            <num_comments>${post.num_comments}</num_comments>
            <over_18>${post.over_18}</over_18>
            ${t1_elements}
            ${t3_elements}
          </item>
        `
      }
      
      let xml_output =
        `<?xml version="1.0" encoding="UTF-8"?>
        <rss xmlns:atom="http://www.w3.org/2005/Atom" xmlns:dc="http://purl.org/dc/elements/1.1/" version="2.0">
          <channel>
            <atom:link href="${link}/?api&amp;type=rss" rel="self" type="application/rss+xml" />
            <title>overview for ${user}</title>
            <link>${link}</link>
            ${items}
          </channel>
        </rss>`
      res.setHeader('Content-Type', 'application/rss+xml')
      return res.end(xml_output)
    } else {
      res.setHeader('Content-Type', 'application/json')
      if(api_target === 'reddit') {
        return res.end(JSON.stringify(json))
      } else {
        let processed_json = await processJsonUser(json, true, null, null, req.cookies)
        return res.end(JSON.stringify(processed_json))
      }  
    }
  }
}