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014e3afb36
Calling sync functions inside async can trigger the node max stack size. Instead, build up our unique list of ids in advance, so we only call a method in async for each user we actually need to look up, asynchronously. Then use all the cached values synchronously afterwards.
65 lines
No EOL
2.5 KiB
CoffeeScript
65 lines
No EOL
2.5 KiB
CoffeeScript
ChatApiHandler = require("./ChatApiHandler")
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EditorRealTimeController = require("../Editor/EditorRealTimeController")
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logger = require("logger-sharelatex")
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AuthenticationController = require('../Authentication/AuthenticationController')
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UserInfoManager = require('../User/UserInfoManager')
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UserInfoController = require('../User/UserInfoController')
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async = require "async"
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module.exports = ChatController =
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sendMessage: (req, res, next)->
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project_id = req.params.project_id
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content = req.body.content
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user_id = AuthenticationController.getLoggedInUserId(req)
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if !user_id?
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err = new Error('no logged-in user')
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return next(err)
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ChatApiHandler.sendGlobalMessage project_id, user_id, content, (err, message) ->
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return next(err) if err?
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UserInfoManager.getPersonalInfo message.user_id, (err, user) ->
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return next(err) if err?
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message.user = UserInfoController.formatPersonalInfo(user)
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EditorRealTimeController.emitToRoom project_id, "new-chat-message", message, (err)->
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res.send(204)
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getMessages: (req, res, next)->
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project_id = req.params.project_id
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query = req.query
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logger.log project_id:project_id, query:query, "getting messages"
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ChatApiHandler.getGlobalMessages project_id, query.limit, query.before, (err, messages) ->
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return next(err) if err?
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ChatController._injectUserInfoIntoThreads {global: { messages: messages }}, (err) ->
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return next(err) if err?
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logger.log length: messages?.length, "sending messages to client"
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res.json messages
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_injectUserInfoIntoThreads: (threads, callback = (error, threads) ->) ->
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# There will be a lot of repitition of user_ids, so first build a list
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# of unique ones to perform db look ups on, then use these to populate the
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# user fields
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user_ids = {}
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for thread_id, thread of threads
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if thread.resolved
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user_ids[thread.resolved_by_user_id] = true
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for message in thread.messages
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user_ids[message.user_id] = true
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jobs = []
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users = {}
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for user_id, _ of user_ids
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do (user_id) ->
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jobs.push (cb) ->
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UserInfoManager.getPersonalInfo user_id, (err, user) ->
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return cb(error) if error?
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user = UserInfoController.formatPersonalInfo user
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users[user_id] = user
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cb()
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async.series jobs, (error) ->
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return callback(error) if error?
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for thread_id, thread of threads
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if thread.resolved
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thread.resolved_by_user = users[thread.resolved_by_user_id]
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for message in thread.messages
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message.user = users[message.user_id]
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return callback null, threads |