mirror of
https://github.com/overleaf/overleaf.git
synced 2024-11-07 20:31:06 -05:00
63 lines
1.8 KiB
CoffeeScript
63 lines
1.8 KiB
CoffeeScript
{db, ObjectId} = require "./mongojs"
|
|
async = require "async"
|
|
|
|
module.exports = MongoManager =
|
|
getLastCompressedUpdate: (doc_id, callback = (error, update) ->) ->
|
|
db.docHistory
|
|
.find(doc_id: ObjectId(doc_id.toString()))
|
|
.sort( v: -1 )
|
|
.limit(1)
|
|
.toArray (error, compressedUpdates) ->
|
|
return callback(error) if error?
|
|
return callback null, compressedUpdates[0] or null
|
|
|
|
deleteCompressedUpdate: (id, callback = (error) ->) ->
|
|
db.docHistory.remove({ _id: ObjectId(id.toString()) }, callback)
|
|
|
|
popLastCompressedUpdate: (doc_id, callback = (error, update) ->) ->
|
|
MongoManager.getLastCompressedUpdate doc_id, (error, update) ->
|
|
return callback(error) if error?
|
|
if update?
|
|
MongoManager.deleteCompressedUpdate update._id, (error) ->
|
|
return callback(error) if error?
|
|
callback null, update
|
|
else
|
|
callback null, null
|
|
|
|
insertCompressedUpdates: (doc_id, updates, callback = (error) ->) ->
|
|
jobs = []
|
|
for update in updates
|
|
do (update) ->
|
|
jobs.push (callback) -> MongoManager.insertCompressedUpdate doc_id, update, callback
|
|
async.series jobs, callback
|
|
|
|
insertCompressedUpdate: (doc_id, update, callback = (error) ->) ->
|
|
db.docHistory.insert {
|
|
doc_id: ObjectId(doc_id.toString())
|
|
op: update.op
|
|
meta: update.meta
|
|
v: update.v
|
|
}, callback
|
|
|
|
getUpdates:(doc_id, options = {}, callback = (error, updates) ->) ->
|
|
query =
|
|
doc_id: ObjectId(doc_id.toString())
|
|
if options.from?
|
|
query["v"] ||= {}
|
|
query["v"]["$gte"] = options.from
|
|
if options.to?
|
|
query["v"] ||= {}
|
|
query["v"]["$lte"] = options.to
|
|
|
|
cursor = db.docHistory
|
|
.find( query )
|
|
.sort( v: -1 )
|
|
|
|
if options.limit?
|
|
cursor.limit(options.limit)
|
|
|
|
cursor.toArray callback
|
|
|
|
ensureIndices: (callback = (error) ->) ->
|
|
db.docHistory.ensureIndex { doc_id: 1, v: 1 }, callback
|
|
|