overleaf/services/document-updater/app/coffee/HttpController.coffee
2018-02-22 10:16:29 +00:00

171 lines
6.6 KiB
CoffeeScript

DocumentManager = require "./DocumentManager"
HistoryManager = require "./HistoryManager"
ProjectManager = require "./ProjectManager"
Errors = require "./Errors"
logger = require "logger-sharelatex"
Metrics = require "./Metrics"
TWO_MEGABYTES = 2 * 1024 * 1024
module.exports = HttpController =
getDoc: (req, res, next = (error) ->) ->
doc_id = req.params.doc_id
project_id = req.params.project_id
logger.log project_id: project_id, doc_id: doc_id, "getting doc via http"
timer = new Metrics.Timer("http.getDoc")
if req.query?.fromVersion?
fromVersion = parseInt(req.query.fromVersion, 10)
else
fromVersion = -1
DocumentManager.getDocAndRecentOpsWithLock project_id, doc_id, fromVersion, (error, lines, version, ops, ranges, pathname) ->
timer.done()
return next(error) if error?
logger.log project_id: project_id, doc_id: doc_id, "got doc via http"
if !lines? or !version?
return next(new Errors.NotFoundError("document not found"))
res.send JSON.stringify
id: doc_id
lines: lines
version: version
ops: ops
ranges: ranges
pathname: pathname
_getTotalSizeOfLines: (lines) ->
size = 0
for line in lines
size += (line.length + 1)
return size
getProjectDocsAndFlushIfOld: (req, res, next = (error) ->) ->
project_id = req.params.project_id
projectStateHash = req.query?.state
# exclude is string of existing docs "id:version,id:version,..."
excludeItems = req.query?.exclude?.split(',') or []
logger.log project_id: project_id, exclude: excludeItems, "getting docs via http"
timer = new Metrics.Timer("http.getAllDocs")
excludeVersions = {}
for item in excludeItems
[id,version] = item?.split(':')
excludeVersions[id] = version
logger.log {project_id: project_id, projectStateHash: projectStateHash, excludeVersions: excludeVersions}, "excluding versions"
ProjectManager.getProjectDocsAndFlushIfOld project_id, projectStateHash, excludeVersions, (error, result) ->
timer.done()
if error instanceof Errors.ProjectStateChangedError
res.send 409 # conflict
else if error?
return next(error)
else
logger.log project_id: project_id, result: ("#{doc._id}:#{doc.v}" for doc in result), "got docs via http"
res.send result
clearProjectState: (req, res, next = (error) ->) ->
project_id = req.params.project_id
timer = new Metrics.Timer("http.clearProjectState")
logger.log project_id: project_id, "clearing project state via http"
ProjectManager.clearProjectState project_id, (error) ->
timer.done()
if error?
return next(error)
else
res.send 200
setDoc: (req, res, next = (error) ->) ->
doc_id = req.params.doc_id
project_id = req.params.project_id
{lines, source, user_id, undoing} = req.body
lineSize = HttpController._getTotalSizeOfLines(lines)
if lineSize > TWO_MEGABYTES
logger.log {project_id, doc_id, source, lineSize, user_id}, "document too large, returning 406 response"
return res.send 406
logger.log {project_id, doc_id, lines, source, user_id, undoing}, "setting doc via http"
timer = new Metrics.Timer("http.setDoc")
DocumentManager.setDocWithLock project_id, doc_id, lines, source, user_id, undoing, (error) ->
timer.done()
return next(error) if error?
logger.log project_id: project_id, doc_id: doc_id, "set doc via http"
res.send 204 # No Content
flushDocIfLoaded: (req, res, next = (error) ->) ->
doc_id = req.params.doc_id
project_id = req.params.project_id
logger.log project_id: project_id, doc_id: doc_id, "flushing doc via http"
timer = new Metrics.Timer("http.flushDoc")
DocumentManager.flushDocIfLoadedWithLock project_id, doc_id, (error) ->
timer.done()
return next(error) if error?
logger.log project_id: project_id, doc_id: doc_id, "flushed doc via http"
res.send 204 # No Content
flushAndDeleteDoc: (req, res, next = (error) ->) ->
doc_id = req.params.doc_id
project_id = req.params.project_id
logger.log project_id: project_id, doc_id: doc_id, "deleting doc via http"
timer = new Metrics.Timer("http.deleteDoc")
DocumentManager.flushAndDeleteDocWithLock project_id, doc_id, (error) ->
timer.done()
# There is no harm in flushing project history if the previous call
# failed and sometimes it is required
HistoryManager.flushProjectChangesAsync project_id
return next(error) if error?
logger.log project_id: project_id, doc_id: doc_id, "deleted doc via http"
res.send 204 # No Content
flushProject: (req, res, next = (error) ->) ->
project_id = req.params.project_id
logger.log project_id: project_id, "flushing project via http"
timer = new Metrics.Timer("http.flushProject")
ProjectManager.flushProjectWithLocks project_id, (error) ->
timer.done()
return next(error) if error?
logger.log project_id: project_id, "flushed project via http"
res.send 204 # No Content
deleteProject: (req, res, next = (error) ->) ->
project_id = req.params.project_id
logger.log project_id: project_id, "deleting project via http"
timer = new Metrics.Timer("http.deleteProject")
ProjectManager.flushAndDeleteProjectWithLocks project_id, (error) ->
timer.done()
return next(error) if error?
logger.log project_id: project_id, "deleted project via http"
res.send 204 # No Content
acceptChanges: (req, res, next = (error) ->) ->
{project_id, doc_id} = req.params
change_ids = req.body?.change_ids
if !change_ids?
change_ids = [ req.params.change_id ]
logger.log {project_id, doc_id}, "accepting #{ change_ids.length } changes via http"
timer = new Metrics.Timer("http.acceptChanges")
DocumentManager.acceptChangesWithLock project_id, doc_id, change_ids, (error) ->
timer.done()
return next(error) if error?
logger.log {project_id, doc_id}, "accepted #{ change_ids.length } changes via http"
res.send 204 # No Content
deleteComment: (req, res, next = (error) ->) ->
{project_id, doc_id, comment_id} = req.params
logger.log {project_id, doc_id, comment_id}, "deleting comment via http"
timer = new Metrics.Timer("http.deleteComment")
DocumentManager.deleteCommentWithLock project_id, doc_id, comment_id, (error) ->
timer.done()
return next(error) if error?
logger.log {project_id, doc_id, comment_id}, "deleted comment via http"
res.send 204 # No Content
updateProject: (req, res, next = (error) ->) ->
timer = new Metrics.Timer("http.updateProject")
project_id = req.params.project_id
{userId, docUpdates, fileUpdates} = req.body
logger.log {project_id, docUpdates, fileUpdates}, "updating project via http"
ProjectManager.updateProjectWithLocks project_id, userId, docUpdates, fileUpdates, (error) ->
timer.done()
return next(error) if error?
logger.log project_id: project_id, "updated project via http"
res.send 204 # No Content