[history-v1] add script for listing owned projects with size (#28292)

* [history-v1] add script for listing owned projects with size

* [history-v1] handle project with no blobs record

* [history-v1] add plain sumBytes for easy sum in spreadsheet

GitOrigin-RevId: c20af189c223f867a6033cfb904f92a3a10c7cfb

services/history-v1/storage/scripts/list_owned_projects.mjs

@@ -0,0 +1,38 @@
+import mongodb from '../lib/mongodb.js'
+import { ObjectId } from 'mongodb'
+import { getProjectBlobsBatch } from '../lib/blob_store/index.js'
+
+const ONE_MIB = 1024 * 1024
+
+const userId = new ObjectId(process.argv.pop())
+
+const ownedProjects = await mongodb.projects
+  .find({ owner_ref: userId }, { projection: { _id: 1, overleaf: 1 } })
+  .toArray()
+const { blobs } = await getProjectBlobsBatch(
+  ownedProjects.map(p => p.overleaf.history.id)
+)
+
+console.log(
+  'link,id,historyId,size,avgSize,sizeBytes,nBlobs,nTextBlobs,nBinaryBlobs'
+)
+for (const project of ownedProjects) {
+  const historyId = project.overleaf.history.id.toString()
+  const projectBlobs = blobs.get(historyId) || []
+  const sum = projectBlobs.reduce((sum, blob) => sum + blob.getByteLength(), 0)
+  console.log(
+    [
+      `https://admin.overleaf.com/admin/project/${project._id}`,
+      project._id,
+      historyId,
+      (sum / ONE_MIB).toFixed(1) + 'MiB',
+      sum && (sum / projectBlobs.length / ONE_MIB).toFixed(1) + 'MiB',
+      sum,
+      projectBlobs.length,
+      projectBlobs.filter(b => b.getStringLength() !== null).length,
+      projectBlobs.filter(b => b.getStringLength() === null).length,
+    ].join(',')
+  )
+}
+
+process.exit(0)