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51 lines
2.2 KiB
CoffeeScript
51 lines
2.2 KiB
CoffeeScript
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Keys = require("./RedisKeys")
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Settings = require "settings-sharelatex"
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redis = require('redis')
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rclient = redis.createClient(Settings.redis.web.port, Settings.redis.web.host)
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rclient.auth(Settings.redis.web.password)
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VersioningApiHandler = require('../../Features/Versioning/VersioningApiHandler')
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async = require('async')
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metrics = require('../../infrastructure/Metrics')
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logger = require('logger-sharelatex')
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module.exports = AutomaticSnapshotManager =
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markProjectAsUpdated: (project_id, callback = (error) ->) ->
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rclient.set Keys.buildLastUpdatedKey(project_id), Date.now(), (error) ->
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return callback(error) if error?
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rclient.sadd Keys.projectsToSnapshotKey, project_id, (error) ->
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return callback(error) if error?
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callback()
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unmarkProjectAsUpdated: (project_id, callback = (err)->)->
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rclient.del Keys.buildLastUpdatedKey(project_id), Date.now(), (error) ->
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return callback(error) if error?
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rclient.srem Keys.projectsToSnapshotKey, project_id, (error) ->
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return callback(error) if error?
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callback()
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takeAutomaticSnapshots: (callback = (error) ->) ->
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rclient.smembers Keys.projectsToSnapshotKey, (error, project_ids) =>
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logger.log project_ids:project_ids, "taking automatic snapshots"
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metrics.gauge "versioning.projectsToSnapshot", project_ids.length
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return callback(error) if error?
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methods = []
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for project_id in project_ids
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do (project_id) =>
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methods.push((callback) => @takeSnapshotIfRequired(project_id, callback))
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async.series methods, callback
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takeSnapshotIfRequired: (project_id, callback = (error) ->) ->
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rclient.get Keys.buildLastUpdatedKey(project_id), (error, lastUpdated) ->
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return callback(error) if error?
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if lastUpdated? and lastUpdated < Date.now() - Settings.automaticSnapshots.waitTimeAfterLastEdit
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VersioningApiHandler.takeSnapshot(project_id, "Automatic snapshot", callback)
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else
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rclient.get Keys.buildLastSnapshotKey(project_id), (error, lastSnapshot) ->
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return callback(error) if error?
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if !lastSnapshot? or lastSnapshot < Date.now() - Settings.automaticSnapshots.maxTimeBetweenSnapshots
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VersioningApiHandler.takeSnapshot(project_id, "Automatic snapshot", callback)
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else
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callback()
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