mirror of
https://github.com/overleaf/overleaf.git
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84 lines
2.6 KiB
CoffeeScript
84 lines
2.6 KiB
CoffeeScript
UpdatesManager = require "./UpdatesManager"
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DiffManager = require "./DiffManager"
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RestoreManager = require "./RestoreManager"
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logger = require "logger-sharelatex"
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module.exports = HttpController =
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flushUpdatesWithLock: (req, res, next = (error) ->) ->
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doc_id = req.params.doc_id
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logger.log doc_id: doc_id, "compressing doc history"
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UpdatesManager.processUncompressedUpdatesWithLock doc_id, (error) ->
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return next(error) if error?
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res.send 204
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getDiff: (req, res, next = (error) ->) ->
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doc_id = req.params.doc_id
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project_id = req.params.project_id
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if req.query.from?
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from = parseInt(req.query.from, 10)
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else
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from = null
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if req.query.to?
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to = parseInt(req.query.to, 10)
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else
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to = null
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logger.log project_id, doc_id: doc_id, from: from, to: to, "getting diff"
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DiffManager.getDiff project_id, doc_id, from, to, (error, diff) ->
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return next(error) if error?
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res.send JSON.stringify(diff: diff)
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getUpdates: (req, res, next = (error) ->) ->
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doc_id = req.params.doc_id
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project_id = req.params.project_id
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if req.query.to?
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to = parseInt(req.query.to, 10)
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if req.query.limit?
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limit = parseInt(req.query.limit, 10)
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UpdatesManager.getUpdatesWithUserInfo doc_id, to: to, limit: limit, (error, updates) ->
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return next(error) if error?
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res.send JSON.stringify updates: HttpController._buildUpdatesView(updates)
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TIME_BETWEEN_DISTINCT_UPDATES: fiveMinutes = 5 * 60 * 1000
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_buildUpdatesView: (updates) ->
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view = []
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for update in updates.slice().reverse()
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lastUpdate = view[view.length - 1]
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if lastUpdate and update.meta.start_ts - lastUpdate.meta.end_ts < @TIME_BETWEEN_DISTINCT_UPDATES
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if update.meta.user?
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userExists = false
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for user in lastUpdate.meta.users
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if user.id == update.meta.user.id
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userExists = true
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break
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if !userExists
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lastUpdate.meta.users.push update.meta.user
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lastUpdate.meta.start_ts = Math.min(lastUpdate.meta.start_ts, update.meta.start_ts)
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lastUpdate.meta.end_ts = Math.max(lastUpdate.meta.end_ts, update.meta.end_ts)
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lastUpdate.toV = update.v
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else
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newUpdate =
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meta:
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users: []
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start_ts: update.meta.start_ts
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end_ts: update.meta.end_ts
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fromV: update.v
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toV: update.v
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if update.meta.user?
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newUpdate.meta.users.push update.meta.user
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view.push newUpdate
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return view.reverse()
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restore: (req, res, next = (error) ->) ->
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{doc_id, project_id, version} = req.params
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user_id = req.headers["x-user-id"]
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version = parseInt(version, 10)
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RestoreManager.restoreToBeforeVersion project_id, doc_id, version, user_id, (error) ->
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return next(error) if error?
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res.send 204
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