overleaf/services/web/app/src/Features/ThirdPartyDataStore/TpdsProjectFlusher.js
Eric Mc Sween 3da8413156 Merge pull request #2369 from overleaf/em-imports-tpds
Defer flushing to TPDS on project import from v1

GitOrigin-RevId: f2782326716999c37565b3e527b54444bbc53711
2019-11-26 13:30:46 +00:00

99 lines
2.9 KiB
JavaScript

const { callbackify } = require('util')
const logger = require('logger-sharelatex')
const DocumentUpdaterHandler = require('../DocumentUpdater/DocumentUpdaterHandler')
const ProjectGetter = require('../Project/ProjectGetter')
const ProjectEntityHandler = require('../Project/ProjectEntityHandler')
const { Project } = require('../../models/Project')
const TpdsUpdateSender = require('./TpdsUpdateSender')
module.exports = {
flushProjectToTpds: callbackify(flushProjectToTpds),
deferProjectFlushToTpds: callbackify(deferProjectFlushToTpds),
flushProjectToTpdsIfNeeded: callbackify(flushProjectToTpdsIfNeeded),
promises: {
flushProjectToTpds,
deferProjectFlushToTpds,
flushProjectToTpdsIfNeeded
}
}
/**
* Flush a complete project to the TPDS.
*/
async function flushProjectToTpds(projectId) {
const project = await ProjectGetter.promises.getProject(projectId, {
name: true,
deferredTpdsFlushCounter: true
})
await _flushProjectToTpds(project)
}
/**
* Flush a project to TPDS if a flush is pending
*/
async function flushProjectToTpdsIfNeeded(projectId) {
const project = await ProjectGetter.promises.getProject(projectId, {
name: true,
deferredTpdsFlushCounter: true
})
if (project.deferredTpdsFlushCounter > 0) {
await _flushProjectToTpds(project)
}
}
async function _flushProjectToTpds(project) {
logger.debug({ projectId: project._id }, 'flushing project to TPDS')
logger.debug({ projectId: project._id }, 'finished flushing project to TPDS')
await DocumentUpdaterHandler.promises.flushProjectToMongo(project._id)
const [docs, files] = await Promise.all([
ProjectEntityHandler.promises.getAllDocs(project._id),
ProjectEntityHandler.promises.getAllFiles(project._id)
])
for (const [docPath, doc] of Object.entries(docs)) {
await TpdsUpdateSender.promises.addDoc({
project_id: project._id,
doc_id: doc._id,
path: docPath,
project_name: project.name,
rev: doc.rev || 0
})
}
for (const [filePath, file] of Object.entries(files)) {
await TpdsUpdateSender.promises.addFile({
project_id: project._id,
file_id: file._id,
path: filePath,
project_name: project.name,
rev: file.rev
})
}
await _resetDeferredTpdsFlushCounter(project)
}
/**
* Reset the TPDS pending flush counter.
*
* To avoid concurrency problems, the flush counter is not reset if it has been
* incremented since we fetched it from the database.
*/
async function _resetDeferredTpdsFlushCounter(project) {
if (project.deferredTpdsFlushCounter > 0) {
await Project.updateOne(
{
_id: project._id,
deferredTpdsFlushCounter: { $lte: project.deferredTpdsFlushCounter }
},
{ $set: { deferredTpdsFlushCounter: 0 } }
).exec()
}
}
/**
* Mark a project as pending a flush to TPDS.
*/
async function deferProjectFlushToTpds(projectId) {
await Project.updateOne(
{ _id: projectId },
{ $inc: { deferredTpdsFlushCounter: 1 } }
).exec()
}