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130 lines
4.9 KiB
CoffeeScript
130 lines
4.9 KiB
CoffeeScript
MongoManager = require "./MongoManager"
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Errors = require "./Errors"
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logger = require "logger-sharelatex"
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_ = require "underscore"
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DocArchive = require "./DocArchiveManager"
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RangeManager = require "./RangeManager"
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module.exports = DocManager =
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# TODO: For historical reasons, the doc version is currently stored in the docOps
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# collection (which is all that this collection contains). In future, we should
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# migrate this version property to be part of the docs collection, to guarantee
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# consitency between lines and version when writing/reading, and for a simpler schema.
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_getDoc: (project_id, doc_id, filter = {}, callback = (error, doc) ->) ->
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if filter.inS3 != true
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return callback("must include inS3 when getting doc")
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MongoManager.findDoc project_id, doc_id, filter, (err, doc)->
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if err?
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return callback(err)
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else if !doc?
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return callback new Errors.NotFoundError("No such doc: #{doc_id} in project #{project_id}")
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else if doc?.inS3
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DocArchive.unarchiveDoc project_id, doc_id, (err)->
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if err?
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logger.err err:err, project_id:project_id, doc_id:doc_id, "error unarchiving doc"
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return callback(err)
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DocManager._getDoc project_id, doc_id, filter, callback
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else
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if filter.version
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MongoManager.getDocVersion doc_id, (error, version) ->
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return callback(error) if error?
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doc.version = version
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callback err, doc
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else
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callback err, doc
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checkDocExists: (project_id, doc_id, callback = (err, exists)->)->
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DocManager._getDoc project_id, doc_id, {_id:1, inS3:true}, (err, doc)->
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if err?
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return callback(err)
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callback(err, doc?)
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getFullDoc: (project_id, doc_id, callback = (err, doc)->)->
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DocManager._getDoc project_id, doc_id, {lines: true, rev: true, deleted: true, version: true, ranges: true, inS3:true}, (err, doc)->
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if err?
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return callback(err)
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callback(err, doc)
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getDocLines: (project_id, doc_id, callback = (err, doc)->)->
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DocManager._getDoc project_id, doc_id, {lines:true, inS3:true}, (err, doc)->
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if err?
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return callback(err)
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callback(err, doc)
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getAllNonDeletedDocs: (project_id, filter, callback = (error, docs) ->) ->
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DocArchive.unArchiveAllDocs project_id, (error) ->
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if error?
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return callback(error)
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MongoManager.getProjectsDocs project_id, {include_deleted: false}, filter, (error, docs) ->
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if err?
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return callback(error)
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else if !docs?
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return callback new Errors.NotFoundError("No docs for project #{project_id}")
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else
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return callback(null, docs)
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updateDoc: (project_id, doc_id, lines, version, ranges, callback = (error, modified, rev) ->) ->
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if !lines? or !version? or !ranges?
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return callback(new Error("no lines, version or ranges provided"))
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DocManager._getDoc project_id, doc_id, {version: true, rev: true, lines: true, version: true, ranges: true, inS3:true}, (err, doc)->
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if err? and !(err instanceof Errors.NotFoundError)
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logger.err project_id: project_id, doc_id: doc_id, err:err, "error getting document for update"
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return callback(err)
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ranges = RangeManager.jsonRangesToMongo(ranges)
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if !doc?
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# If the document doesn't exist, we'll make sure to create/update all parts of it.
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updateLines = true
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updateVersion = true
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updateRanges = true
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else
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updateLines = not _.isEqual(doc.lines, lines)
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updateVersion = (doc.version != version)
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updateRanges = RangeManager.shouldUpdateRanges(doc.ranges, ranges)
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modified = false
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rev = doc?.rev || 0
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updateLinesAndRangesIfNeeded = (cb) ->
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if updateLines or updateRanges
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update = {}
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if updateLines
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update.lines = lines
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if updateRanges
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update.ranges = ranges
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logger.log { project_id, doc_id, oldDoc: doc }, "updating doc lines and ranges"
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modified = true
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rev += 1 # rev will be incremented in mongo by MongoManager.upsertIntoDocCollection
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MongoManager.upsertIntoDocCollection project_id, doc_id, update, cb
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else
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logger.log { project_id, doc_id, }, "doc lines have not changed - not updating"
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cb()
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updateVersionIfNeeded = (cb) ->
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if updateVersion
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logger.log { project_id, doc_id, oldVersion: doc?.version, newVersion: version }, "updating doc version"
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modified = true
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MongoManager.setDocVersion doc_id, version, cb
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else
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logger.log { project_id, doc_id, version }, "doc version has not changed - not updating"
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cb()
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updateLinesAndRangesIfNeeded (error) ->
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return callback(error) if error?
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updateVersionIfNeeded (error) ->
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return callback(error) if error?
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callback null, modified, rev
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deleteDoc: (project_id, doc_id, callback = (error) ->) ->
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DocManager.checkDocExists project_id, doc_id, (error, exists) ->
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return callback(error) if error?
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return callback new Errors.NotFoundError("No such project/doc to delete: #{project_id}/#{doc_id}") if !exists
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MongoManager.markDocAsDeleted project_id, doc_id, callback
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