overleaf/services/track-changes/app.coffee

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Settings = require "settings-sharelatex"
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logger = require "logger-sharelatex"
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logger.initialize("track-changes")
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Path = require "path"
Metrics = require "metrics-sharelatex"
Metrics.initialize("track-changes")
Metrics.mongodb.monitor(Path.resolve(__dirname + "/node_modules/mongojs/node_modules/mongodb"), logger)
child_process = require "child_process"
HttpController = require "./app/js/HttpController"
express = require "express"
app = express()
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app.use Metrics.http.monitor(logger)
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app.post "/project/:project_id/doc/:doc_id/flush", HttpController.flushDoc
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app.get "/project/:project_id/doc/:doc_id/diff", HttpController.getDiff
app.get "/project/:project_id/updates", HttpController.getUpdates
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app.post "/project/:project_id/flush", HttpController.flushProject
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app.post "/project/:project_id/doc/:doc_id/version/:version/restore", HttpController.restore
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app.post "/doc/:doc_id/pack", HttpController.packDoc
packWorker = null # use a single packing worker
app.post "/pack", (req, res, next) ->
if packWorker?
res.send "pack already running"
else
logger.log "running pack"
packWorker = child_process.fork(__dirname + '/app/js/PackWorker.js')
packWorker.on 'exit', (code, signal) ->
logger.log {code, signal}, "history auto pack exited"
packWorker = null
res.send "pack started"
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app.get "/status", (req, res, next) ->
res.send "track-changes is alive"
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app.use (error, req, res, next) ->
logger.error err: error, "an internal error occured"
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res.send 500
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port = Settings.internal?.trackchanges?.port or 3015
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host = Settings.internal?.trackchanges?.host or "localhost"
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app.listen port, host, (error) ->
if error?
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logger.error err: error, "could not start track-changes server"
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else
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logger.info "trackchanges starting up, listening on #{host}:#{port}"