first commit

services/web/scripts/delete-orphaned-docs/.gitignore

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+*.csv
+*.csv.gz
+node_modules

services/web/scripts/delete-orphaned-docs/README.md

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+# Delete Orphaned Docs
+
+Because of the large numbers of documents and projects it is necessary to detect
+orphaned docs using bulk exports of the raw data.
+
+## Exporting Data Files
+
+Follow the directions in `google-ops/README.md` for exporting data from mongo
+and copying the files to your local machine.
+
+### Exporting docs
+
+Run the following doc export command to export all doc ids and their associated
+project ids in batches of 10,000,000.
+```
+mongoexport --uri $READ_ONLY_MONGO_CONNECTION_STRING --collection docs --fields '_id,project_id' --skip 0 --limit 10000000 --type=csv --out docs.00000000.csv
+```
+This will produce files like:
+```
+_id,project_id
+ObjectId(5babb6f864c952737a9a4c32),ObjectId(5b98bba5e2f38b7c88f6a625)
+ObjectId(4eecaffcbffa66588e000007),ObjectId(4eecaffcbffa66588e00000d)
+```
+Concatenate these into a single file: `cat docs.*csv > all-docs-doc_id-project_id.csv`
+
+For object ids the script will accept either plain hex strings or the `ObjectId(...)`
+format used by mongoexport.
+
+### Exporting Projects
+
+Export project ids from all `projects` and `deletedProjects`
+```
+mongoexport --uri $READ_ONLY_MONGO_CONNECTION_STRING --collection projects --fields '_id' --type=csv --out projects.csv
+mongoexport --uri $READ_ONLY_MONGO_CONNECTION_STRING --collection deletedProjects --fields 'project._id' --type=csv --out deleted-projects.csv
+```
+Concatenate these: `cat projects.csv deleted-projects.csv > all-projects-project_id.csv`
+
+## Processing Exported Data
+
+### Create a unique sorted list of project ids from docs
+```
+cut -d, -f 2 all-docs-doc_id-project_id.csv | sort | uniq > all-docs-project_ids.sorted.uniq.csv
+```
+
+### Create a unique sorted list of projects ids from projects
+```
+sort all-projects-project_id.csv | uniq > all-projects-project_id.sorted.uniq.csv
+```
+
+### Create list of project ids in docs but not in projects
+```
+comm --check-order -23 all-docs-project_ids.sorted.uniq.csv all-projects-project_id.sorted.uniq.csv > orphaned-doc-project_ids.csv
+```
+
+### Create list of docs ids with project ids not in projects
+```
+grep -F -f orphaned-doc-project_ids.csv all-docs-doc_id-project_id.csv > orphaned-doc-doc_id-project_id.csv
+```
+
+## Run doc deleter
+```
+node delete-orphaned-docs orphaned-doc-doc_id-project_id.csv
+```
+
+### Commit Changes
+
+By default the script will only print the list of project ids and docs ids to be
+deleted. In order to actually delete docs run with the `--commit` argument.
+
+### Selecting Input Lines to Process
+
+The `--limit` and `--offset` arguments can be used to specify which lines to
+process. There is one doc per line so a single project will often have multiple
+lines, but deletion is based on project id, so if one doc for a project is
+deleted all will be deleted, even if all of the input lines are not processed.

services/web/scripts/delete-orphaned-docs/delete-orphaned-docs.mjs

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+import fs from 'node:fs'
+import minimist from 'minimist'
+import readline from 'node:readline'
+import { db, ObjectId } from '../../app/src/infrastructure/mongodb.js'
+import DocstoreManagerModule from '../../app/src/Features/Docstore/DocstoreManager.js'
+
+const { promises: DocstoreManager } = DocstoreManagerModule
+
+const argv = minimist(process.argv.slice(2))
+const commit = argv.commit !== undefined
+const offset = parseInt(argv.offset) || 0
+const limit = parseInt(argv.limit) || 0
+
+if (!commit) {
+  console.log('DOING DRY RUN. TO SAVE CHANGES PASS --commit')
+}
+
+const input = fs.createReadStream(argv._[0])
+
+const rl = readline.createInterface({
+  crlfDelay: Infinity,
+  input,
+})
+
+const orphanedDocs = {}
+
+console.log('Loading Data')
+
+let idx = 0
+let processed = 0
+
+rl.on('line', async line => {
+  if (offset && idx++ < offset) {
+    return
+  }
+  if (limit && processed++ >= limit) {
+    return
+  }
+
+  let [docId, projectId] = line.split(',')
+  docId = docId.replace(/^ObjectId\(/, '').replace(/\)$/, '')
+  projectId = projectId.replace(/^ObjectId\(/, '').replace(/\)$/, '')
+
+  try {
+    docId = new ObjectId(docId).toString()
+    projectId = new ObjectId(projectId).toString()
+  } catch (err) {
+    console.error(`Invalid id: ${docId}, ${projectId}`)
+    return
+  }
+
+  if (!orphanedDocs[projectId]) {
+    orphanedDocs[projectId] = []
+  }
+
+  orphanedDocs[projectId].push(docId)
+})
+
+rl.on('close', async () => {
+  const docCount = Object.values(orphanedDocs).reduce((i, v) => i + v.length, 0)
+  const projectCount = Object.keys(orphanedDocs).length
+
+  console.log(`Loaded Data for ${docCount} docs in ${projectCount} Projects`)
+
+  for (const projectId of Object.keys(orphanedDocs)) {
+    await deleteOrphanedDocs(projectId, orphanedDocs[projectId])
+  }
+
+  console.log('DONE')
+  process.exit()
+})
+
+async function deleteOrphanedDocs(projectId, docIds) {
+  try {
+    if (await projectIdExists(projectId)) {
+      console.error(`Project id exists: ${projectId}`)
+      return
+    }
+  } catch (err) {
+    console.error(`Error checking if project exists: ${projectId}`, err.stack)
+    return
+  }
+
+  console.log(`Delete docs ${docIds.join(', ')} for project ${projectId}`)
+
+  if (!commit) {
+    return
+  }
+
+  try {
+    await DocstoreManager.destroyProject(projectId)
+  } catch (err) {
+    console.error(`Error deleting project ${projectId}`, err)
+  }
+}
+
+async function projectIdExists(projectId) {
+  // check both projects and deletedProjects to see if project id exists
+  const [project, deletedProject] = await Promise.all([
+    findProject(projectId),
+    findDeletedProject(projectId),
+  ])
+
+  return project !== null || deletedProject !== null
+}
+
+async function findProject(projectId) {
+  return db.projects.findOne(
+    { _id: new ObjectId(projectId) },
+    { projection: { _id: 1 } }
+  )
+}
+
+async function findDeletedProject(projectId) {
+  return db.deletedProjects.findOne(
+    { 'project._id': new ObjectId(projectId) },
+    { projection: { _id: 1 } }
+  )
+}