overleaf/services/clsi/app/coffee/ProjectPersistenceManager.coffee
2016-05-20 10:23:07 +01:00

58 lines
2.1 KiB
CoffeeScript

UrlCache = require "./UrlCache"
CompileManager = require "./CompileManager"
db = require "./db"
async = require "async"
logger = require "logger-sharelatex"
oneDay = 24 * 60 * 60 * 1000
Settings = require "settings-sharelatex"
module.exports = ProjectPersistenceManager =
EXPIRY_TIMEOUT: Settings.project_cache_length_ms || oneDay * 2.5
markProjectAsJustAccessed: (project_id, callback = (error) ->) ->
db.Project.findOrCreate(where: {project_id: project_id})
.spread(
(project, created) ->
project.updateAttributes(lastAccessed: new Date())
.then(() -> callback())
.error callback
)
.error callback
clearExpiredProjects: (callback = (error) ->) ->
ProjectPersistenceManager._findExpiredProjectIds (error, project_ids) ->
return callback(error) if error?
logger.log project_ids: project_ids, "clearing expired projects"
jobs = for project_id in (project_ids or [])
do (project_id) ->
(callback) ->
ProjectPersistenceManager.clearProject project_id, (err) ->
if err?
logger.error err: err, project_id: project_id, "error clearing project"
callback()
async.series jobs, callback
clearProject: (project_id, callback = (error) ->) ->
logger.log project_id: project_id, "clearing project"
CompileManager.clearProject project_id, (error) ->
return callback(error) if error?
UrlCache.clearProject project_id, (error) ->
return callback(error) if error?
ProjectPersistenceManager._clearProjectFromDatabase project_id, (error) ->
return callback(error) if error?
callback()
_clearProjectFromDatabase: (project_id, callback = (error) ->) ->
db.Project.destroy(where: {project_id: project_id})
.then(() -> callback())
.error callback
_findExpiredProjectIds: (callback = (error, project_ids) ->) ->
db.Project.findAll(where: ["lastAccessed < ?", new Date(Date.now() - ProjectPersistenceManager.EXPIRY_TIMEOUT)])
.then((projects) ->
callback null, projects.map((project) -> project.project_id)
).error callback
logger.log {EXPIRY_TIMEOUT: ProjectPersistenceManager.EXPIRY_TIMEOUT}, "project assets kept timeout"