From ed034d2c998fb9b8221934d1e82720201a4ae6e8 Mon Sep 17 00:00:00 2001
From: Stanislas Polu <spolu@proton.me>
Date: Sat, 11 Nov 2023 11:22:52 +0100
Subject: [PATCH] scrub deleted wip

---
 .../20231110_scrub_deleted_documents.ts       | 130 ++++++++++++++++++
 1 file changed, 130 insertions(+)
 create mode 100644 front/migrations/20231110_scrub_deleted_documents.ts

diff --git a/front/migrations/20231110_scrub_deleted_documents.ts b/front/migrations/20231110_scrub_deleted_documents.ts
new file mode 100644
index 000000000000..e52c85b59023
--- /dev/null
+++ b/front/migrations/20231110_scrub_deleted_documents.ts
@@ -0,0 +1,130 @@
+import { Storage } from "@google-cloud/storage";
+import { createHash } from "blake3";
+import { Sequelize } from "sequelize";
+
+// To be run from connectors with `CORE_DATABASE_URI`
+const {
+  CORE_DATABASE_URI,
+  SERVICE_ACCOUNT,
+  DUST_DATA_SOURCES_BUCKET,
+  LIVE = false,
+} = process.env;
+
+async function main() {
+  const core_sequelize = new Sequelize(CORE_DATABASE_URI as string, {
+    logging: false,
+  });
+
+  const deletedDocumentsData = await core_sequelize.query(
+    `SELECT * FROM data_sources_documents WHERE status = 'deleted'`
+  );
+
+  const deletedDocuments = deletedDocumentsData[0] as {
+    id: number;
+    created: number;
+    data_source: number;
+    document_id: string;
+    hash: string;
+  }[];
+
+  console.log(
+    `Found ${deletedDocuments.length} deleted core documents to process`
+  );
+
+  const chunks = [];
+  for (let i = 0; i < deletedDocuments.length; i += 32) {
+    chunks.push(deletedDocuments.slice(i, i + 32));
+  }
+
+  for (let i = 0; i < chunks.length; i++) {
+    console.log(`Processing chunk ${i}/${chunks.length}...`);
+    const chunk = chunks[i];
+    await Promise.all(
+      chunk.map(async (d) => {
+        return scrubDocument(
+          core_sequelize,
+          d.data_source,
+          d.document_id,
+          d.created,
+          d.hash
+        );
+      })
+    );
+  }
+}
+
+async function scrubDocument(
+  core_sequelize: Sequelize,
+  data_source: number,
+  document_id: string,
+  deletedAt: number,
+  hash: string
+) {
+  const moreRecentSameHash = await core_sequelize.query(
+    `SELECT id FROM data_sources_documents WHERE data_source = :data_source AND document_id = :document_id AND hash = :hash AND status != 'deleted' AND created > :deletedAt LIMIT 1`,
+    {
+      replacements: {
+        data_source: data_source,
+        document_id: document_id,
+        hash: hash,
+        deletedAt: deletedAt,
+      },
+    }
+  );
+
+  if (moreRecentSameHash[0].length > 0) {
+    console.log(
+      `Skipping ${document_id} as there is a more recent version with the same hash`
+    );
+    return;
+  }
+
+  const dataSourceData = await core_sequelize.query(
+    `SELECT * FROM data_sources WHERE id = :data_source`,
+    {
+      replacements: {
+        data_source: data_source,
+      },
+    }
+  );
+
+  if (dataSourceData[0].length === 0) {
+    throw new Error(`Could not find data source ${data_source}`);
+  }
+
+  const dataSource = dataSourceData[0][0] as {
+    id: number;
+    project: number;
+    internal_id: string;
+  };
+
+  // console.log(dataSource);
+
+  if (LIVE) {
+    const hasher = createHash();
+    hasher.update(Buffer.from(document_id));
+    const documentIdHash = hasher.digest("hex");
+
+    const path = `${dataSource.project}/${dataSource.internal_id}/${documentIdHash}/${hash}`;
+
+    const storage = new Storage({ keyFilename: SERVICE_ACCOUNT });
+
+    const [files] = await storage
+      .bucket(DUST_DATA_SOURCES_BUCKET || "")
+      .getFiles({ prefix: path });
+
+    if (files.length > 0) {
+      console.log(files);
+    }
+  }
+}
+
+main()
+  .then(() => {
+    console.log("Done");
+    process.exit(0);
+  })
+  .catch((err) => {
+    console.error(err);
+    process.exit(1);
+  });