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Code Issues Projects Releases Packages Wiki Activity

avoid call to fetch packs unnecessarily

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This commit is contained in:
Brian Gough 2016-03-24 11:52:31 +00:00
parent 98683de3ae
commit 181cebecef
1 changed files with 7 additions and 3 deletions
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10
services/track-changes/app/coffee/PackManager.coffee
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@ -161,7 +161,10 @@ module.exports = PackManager =
return false if toVersion? and pack.v > toVersion
return true
neededIds = (pack._id for pack in indexPacks when packInRange(pack, fromVersion, toVersion))
PackManager.fetchPacksIfNeeded project_id, doc_id, neededIds, callback
if neededIds.length
PackManager.fetchPacksIfNeeded project_id, doc_id, neededIds, callback
else
callback()
fetchPacksIfNeeded: (project_id, doc_id, pack_ids, callback) ->
db.docHistory.find {_id: {$in: (ObjectId(id) for id in pack_ids)}}, {_id:1}, (err, loadedPacks) ->
@ -169,12 +172,13 @@ module.exports = PackManager =
allPackIds = (id.toString() for id in pack_ids)
loadedPackIds = (pack._id.toString() for pack in loadedPacks)
packIdsToFetch = _.difference allPackIds, loadedPackIds
logger.log {loadedPackIds, allPackIds, packIdsToFetch}, "analysed packs"
logger.log {project_id, doc_id, loadedPackIds, allPackIds, packIdsToFetch}, "analysed packs"
return callback() if packIdsToFetch.length is 0
async.eachLimit packIdsToFetch, 4, (pack_id, cb) ->
MongoAWS.unArchivePack project_id, doc_id, pack_id, cb
, (err) ->
return callback(err) if err?
logger.log "done unarchiving"
logger.log {project_id, doc_id}, "done unarchiving"
callback()
# Retrieve all changes across a project