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58 lines
2.4 KiB
CoffeeScript
58 lines
2.4 KiB
CoffeeScript
request = require "request"
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logger = require "logger-sharelatex"
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settings = require "settings-sharelatex"
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redis = require("redis-sharelatex")
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rclient = redis.createClient(settings.redis.web)
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module.exports = DocumentUpdaterManager =
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getDocument: (project_id, doc_id, fromVersion, callback = (error, exists, doclines, version) ->) ->
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timer = new metrics.Timer("get-document")
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url = "#{settings.apis.documentupdater.url}/project/#{project_id}/doc/#{doc_id}?fromVersion=#{fromVersion}"
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logger.log {project_id, doc_id, fromVersion}, "getting doc from document updater"
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request.get url, (err, res, body) ->
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timer.done()
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if err?
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logger.error {err, url, project_id, doc_id}, "error getting doc from doc updater"
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return callback(err)
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if 200 <= res.statusCode < 300
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logger.log {project_id, doc_id}, "got doc from document document updater"
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try
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body = JSON.parse(body)
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catch error
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return callback(error)
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callback null, body?.lines, body?.version, body?.ops
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else
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err = new Error("doc updater returned a non-success status code: #{res.statusCode}")
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err.statusCode = res.statusCode
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logger.error {err, project_id, doc_id, url}, "doc updater returned a non-success status code: #{res.statusCode}"
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callback err
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flushProjectToMongoAndDelete: (project_id, callback = ()->) ->
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logger.log project_id:project_id, "deleting project from document updater"
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#timer = new metrics.Timer("delete.mongo.project")
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url = "#{settings.apis.documentupdater.url}/project/#{project_id}"
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request.del url, (err, res, body)->
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#timer.done()
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if err?
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logger.error {err, project_id}, "error deleting project from document updater"
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return callback(err)
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else if 200 <= res.statusCode < 300
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logger.log {project_id}, "deleted project from document updater"
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return callback(null)
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else
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err = new Error("document updater returned a failure status code: #{res.statusCode}")
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err.statusCode = res.statusCode
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logger.error {err, project_id}, "document updater returned failure status code: #{res.statusCode}"
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return callback(err)
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queueChange: (project_id, doc_id, change, callback = ()->)->
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jsonChange = JSON.stringify change
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doc_key = "#{project_id}:#{doc_id}"
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multi = rclient.multi()
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multi.rpush "PendingUpdates:#{doc_id}", jsonChange
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multi.sadd "DocsWithPendingUpdates", doc_key
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multi.rpush "pending-updates-list", doc_key
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multi.exec (error) ->
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return callback(error) if error?
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callback()
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