overleaf/services/document-updater/app/js/ProjectHistoryRedisManager.js

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/* eslint-disable
camelcase,
handle-callback-err,
*/
// TODO: This file was created by bulk-decaffeinate.
// Fix any style issues and re-enable lint.
/*
* decaffeinate suggestions:
* DS101: Remove unnecessary use of Array.from
* DS102: Remove unnecessary code created because of implicit returns
* DS103: Rewrite code to no longer use __guard__
* DS201: Simplify complex destructure assignments
* DS207: Consider shorter variations of null checks
* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
*/
let ProjectHistoryRedisManager
const Settings = require('@overleaf/settings')
const projectHistoryKeys = __guard__(
Settings.redis != null ? Settings.redis.project_history : undefined,
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x => x.key_schema
)
const rclient = require('@overleaf/redis-wrapper').createClient(
Settings.redis.project_history
)
const logger = require('@overleaf/logger')
const metrics = require('./Metrics')
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module.exports = ProjectHistoryRedisManager = {
queueOps(project_id, ...rest) {
// Record metric for ops pushed onto queue
const adjustedLength = Math.max(rest.length, 1)
const ops = rest.slice(0, adjustedLength - 1)
const val = rest[adjustedLength - 1]
const callback = val != null ? val : function (error, projectUpdateCount) {}
for (const op of Array.from(ops)) {
metrics.summary('redis.projectHistoryOps', op.length, { status: 'push' })
}
const multi = rclient.multi()
// Push the ops onto the project history queue
multi.rpush(
projectHistoryKeys.projectHistoryOps({ project_id }),
...Array.from(ops)
)
// To record the age of the oldest op on the queue set a timestamp if not
// already present (SETNX).
multi.setnx(
projectHistoryKeys.projectHistoryFirstOpTimestamp({ project_id }),
Date.now()
)
return multi.exec(function (error, result) {
if (error != null) {
return callback(error)
}
// return the number of entries pushed onto the project history queue
return callback(null, result[0])
})
},
queueRenameEntity(
project_id,
projectHistoryId,
entity_type,
entity_id,
user_id,
projectUpdate,
callback
) {
projectUpdate = {
pathname: projectUpdate.pathname,
new_pathname: projectUpdate.newPathname,
meta: {
user_id,
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ts: new Date(),
},
version: projectUpdate.version,
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projectHistoryId,
}
projectUpdate[entity_type] = entity_id
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logger.debug(
{ project_id, projectUpdate },
'queue rename operation to project-history'
)
const jsonUpdate = JSON.stringify(projectUpdate)
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return ProjectHistoryRedisManager.queueOps(project_id, jsonUpdate, callback)
},
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queueAddEntity(
project_id,
projectHistoryId,
entity_type,
entitiy_id,
user_id,
projectUpdate,
callback
) {
if (callback == null) {
callback = function (error) {}
}
projectUpdate = {
pathname: projectUpdate.pathname,
docLines: projectUpdate.docLines,
url: projectUpdate.url,
meta: {
user_id,
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ts: new Date(),
},
version: projectUpdate.version,
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projectHistoryId,
}
projectUpdate[entity_type] = entitiy_id
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logger.debug(
{ project_id, projectUpdate },
'queue add operation to project-history'
)
const jsonUpdate = JSON.stringify(projectUpdate)
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return ProjectHistoryRedisManager.queueOps(project_id, jsonUpdate, callback)
},
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queueResyncProjectStructure(
project_id,
projectHistoryId,
docs,
files,
callback
) {
logger.debug({ project_id, docs, files }, 'queue project structure resync')
const projectUpdate = {
resyncProjectStructure: { docs, files },
projectHistoryId,
meta: {
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ts: new Date(),
},
}
const jsonUpdate = JSON.stringify(projectUpdate)
return ProjectHistoryRedisManager.queueOps(project_id, jsonUpdate, callback)
},
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queueResyncDocContent(
project_id,
projectHistoryId,
doc_id,
lines,
version,
pathname,
callback
) {
logger.debug(
{ project_id, doc_id, lines, version, pathname },
'queue doc content resync'
)
const projectUpdate = {
resyncDocContent: {
content: lines.join('\n'),
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version,
},
projectHistoryId,
path: pathname,
doc: doc_id,
meta: {
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ts: new Date(),
},
}
const jsonUpdate = JSON.stringify(projectUpdate)
return ProjectHistoryRedisManager.queueOps(project_id, jsonUpdate, callback)
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},
}
function __guard__(value, transform) {
return typeof value !== 'undefined' && value !== null
? transform(value)
: undefined
}