overleaf/services/web/app/coffee/Features/Wiki/WikiController.coffee
Henry Oswald c980382196 make calls to learn wiki run in parallel,
only saves about 150ms but ever little helps
2016-03-17 12:55:28 +00:00

81 lines
No EOL
2.2 KiB
CoffeeScript

request = require("request")
settings = require("settings-sharelatex")
logger = require("logger-sharelatex")
ErrorController = require "../Errors/ErrorController"
_ = require("underscore")
AuthenticationController = require("../Authentication/AuthenticationController")
async = require("async")
other_lngs = ["es"]
module.exports = WikiController =
_checkIfLoginIsNeeded: (req, res, next)->
if settings.apis.wiki.requireLogin
AuthenticationController.requireLogin()(req, res, next)
else
next()
getPage: (req, res, next) ->
WikiController._checkIfLoginIsNeeded req, res, ->
page = req.url.replace(/^\/learn/, "").replace(/^\//, "")
if page == ""
page = "Main_Page"
logger.log page: page, "getting page from wiki"
if _.include(other_lngs, req.lng)
lngPage = "#{page}_#{req.lng}"
else
lngPage = page
jobs =
contents: (cb)->
WikiController._getPageContent "Contents", cb
pageData: (cb)->
WikiController._getPageContent lngPage, cb
async.parallel jobs, (error, results)->
return next(error) if error?
{pageData, contents} = results
if pageData.content?.length > 280
if _.include(other_lngs, req.lng)
pageData.title = pageData.title.slice(0, pageData.title.length - (req.lng.length+1) )
WikiController._renderPage(pageData, contents, res)
else
WikiController._getPageContent page, (error, pageData) ->
return next(error) if error?
WikiController._renderPage(pageData, contents, res)
_getPageContent: (page, callback = (error, data = { content: "", title: "" }) ->) ->
request {
url: "#{settings.apis.wiki.url}/learn-scripts/api.php"
qs: {
page: decodeURI(page)
action: "parse"
format: "json"
}
}, (err, response, data)->
return callback(err) if err?
try
data = JSON.parse(data)
catch err
logger.err err:err, data:data, "error parsing data from wiki"
result =
content: data?.parse?.text?['*']
title: data?.parse?.title
callback null, result
_renderPage: (page, contents, res)->
if page.title == "Main Page"
title = "Documentation"
else
title = page.title
res.render "wiki/page", {
page: page
contents: contents
title: title
}