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126 lines
3.8 KiB
CoffeeScript
126 lines
3.8 KiB
CoffeeScript
{db, ObjectId} = require "./mongojs"
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async = require "async"
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module.exports = MongoManager =
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getLastCompressedUpdate: (doc_id, callback = (error, update) ->) ->
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db.docHistory
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.find(doc_id: ObjectId(doc_id.toString()))
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.sort( v: -1 )
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.limit(1)
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.toArray (error, compressedUpdates) ->
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return callback(error) if error?
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return callback null, compressedUpdates[0] or null
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deleteCompressedUpdate: (id, callback = (error) ->) ->
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db.docHistory.remove({ _id: ObjectId(id.toString()) }, callback)
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popLastCompressedUpdate: (doc_id, callback = (error, update) ->) ->
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MongoManager.getLastCompressedUpdate doc_id, (error, update) ->
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return callback(error) if error?
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if update?
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MongoManager.deleteCompressedUpdate update._id, (error) ->
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return callback(error) if error?
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callback null, update
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else
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callback null, null
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insertCompressedUpdates: (project_id, doc_id, updates, permanent, callback = (error) ->) ->
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jobs = []
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for update in updates
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do (update) ->
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jobs.push (callback) -> MongoManager.insertCompressedUpdate project_id, doc_id, update, permanent, callback
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async.series jobs, callback
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insertCompressedUpdate: (project_id, doc_id, update, temporary, callback = (error) ->) ->
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update = {
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doc_id: ObjectId(doc_id.toString())
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project_id: ObjectId(project_id.toString())
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op: update.op
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meta: update.meta
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v: update.v
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}
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if temporary
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update.tempCreatedAt = new Date()
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db.docHistory.insert update, callback
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getDocUpdates:(doc_id, options = {}, callback = (error, updates) ->) ->
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query =
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doc_id: ObjectId(doc_id.toString())
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if options.from?
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query["v"] ||= {}
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query["v"]["$gte"] = options.from
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if options.to?
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query["v"] ||= {}
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query["v"]["$lte"] = options.to
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cursor = db.docHistory
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.find( query )
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.sort( v: -1 )
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if options.limit?
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cursor.limit(options.limit)
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cursor.toArray callback
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getProjectUpdates: (project_id, options = {}, callback = (error, updates) ->) ->
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query =
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project_id: ObjectId(project_id.toString())
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if options.before?
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query["meta.end_ts"] = { $lt: options.before }
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cursor = db.docHistory
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.find( query )
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.sort( "meta.end_ts": -1 )
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if options.limit?
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cursor.limit(options.limit)
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cursor.toArray callback
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deleteOldProjectUpdates: (project_id, before, callback = (error) ->) ->
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db.docHistory.remove {
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project_id: ObjectId(project_id)
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"meta.end_ts": { $lt: before }
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}, callback
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backportProjectId: (project_id, doc_id, callback = (error) ->) ->
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db.docHistory.update {
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doc_id: ObjectId(doc_id.toString())
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project_id: { $exists: false }
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}, {
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$set: { project_id: ObjectId(project_id.toString()) }
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}, {
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multi: true
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}, callback
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getProjectMetaData: (project_id, callback = (error, metadata) ->) ->
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db.projectHistoryMetaData.find {
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project_id: ObjectId(project_id.toString())
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}, (error, results) ->
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return callback(error) if error?
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callback null, results[0]
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setProjectMetaData: (project_id, metadata, callback = (error) ->) ->
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db.projectHistoryMetaData.update {
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project_id: ObjectId(project_id)
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}, {
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$set: metadata
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}, {
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upsert: true
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}, callback
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ensureIndices: () ->
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# For finding all updates that go into a diff for a doc
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db.docHistory.ensureIndex { doc_id: 1, v: 1 }
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# For finding all updates that affect a project
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db.docHistory.ensureIndex { project_id: 1, "meta.end_ts": 1 }
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# For finding updates that don't yet have a project_id and need it inserting
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db.docHistory.ensureIndex { doc_id: 1, project_id: 1 }
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# For finding project meta-data
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db.projectHistoryMetaData.ensureIndex { project_id: 1 }
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# TTL index for auto deleting week old temporary ops
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minutes = 60
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hours = 60 * minutes
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days = 24 * hours
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db.docHistory.ensureIndex { tempCreatedAt: 1 }, { expireAfterSeconds: 7 * days }
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