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92 lines
2.7 KiB
CoffeeScript
92 lines
2.7 KiB
CoffeeScript
request = require "request"
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Settings = require "settings-sharelatex"
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Errors = require "./Errors"
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Metrics = require "./Metrics"
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{db, ObjectId} = require("./mongojs")
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module.exports = PersistenceManager =
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getDoc: (project_id, doc_id, callback = (error, lines, version) ->) ->
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PersistenceManager.getDocFromWeb project_id, doc_id, (error, lines, version) ->
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return callback(error) if error?
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if version?
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callback null, lines, version
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else
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PersistenceManager.getDocVersionInMongo doc_id, (error, version) ->
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return callback(error) if error?
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if version?
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callback null, lines, version
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else
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callback null, lines, 0
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getDocVersionInMongo: (doc_id, callback = (error, version) ->) ->
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db.docOps.find {
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doc_id: ObjectId(doc_id)
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}, {
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version: 1
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}, (error, docs) ->
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return callback(error) if error?
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if docs.length < 1 or !docs[0].version?
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return callback null, null
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else
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return callback null, docs[0].version
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getDocFromWeb: (project_id, doc_id, _callback = (error, lines, version) ->) ->
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timer = new Metrics.Timer("persistenceManager.getDoc")
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callback = (args...) ->
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timer.done()
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_callback(args...)
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url = "#{Settings.apis.web.url}/project/#{project_id}/doc/#{doc_id}"
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request {
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url: url
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method: "GET"
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headers:
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"accept": "application/json"
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auth:
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user: Settings.apis.web.user
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pass: Settings.apis.web.pass
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sendImmediately: true
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jar: false
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}, (error, res, body) ->
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return callback(error) if error?
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if res.statusCode >= 200 and res.statusCode < 300
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try
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body = JSON.parse body
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catch e
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return callback(e)
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return callback null, body.lines, body.version
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else if res.statusCode == 404
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return callback(new Errors.NotFoundError("doc not not found: #{url}"))
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else
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return callback(new Error("error accessing web API: #{url} #{res.statusCode}"))
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setDoc: (project_id, doc_id, lines, version, _callback = (error) ->) ->
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timer = new Metrics.Timer("persistenceManager.setDoc")
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callback = (args...) ->
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timer.done()
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_callback(args...)
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url = "#{Settings.apis.web.url}/project/#{project_id}/doc/#{doc_id}"
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request {
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url: url
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method: "POST"
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body: JSON.stringify
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lines: lines
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version: parseInt(version, 10)
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headers:
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"content-type": "application/json"
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auth:
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user: Settings.apis.web.user
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pass: Settings.apis.web.pass
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sendImmediately: true
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jar: false
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}, (error, res, body) ->
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return callback(error) if error?
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if res.statusCode >= 200 and res.statusCode < 300
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return callback null
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else if res.statusCode == 404
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return callback(new Errors.NotFoundError("doc not not found: #{url}"))
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else
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return callback(new Error("error accessing web API: #{url} #{res.statusCode}"))
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