WIP - repair check

apps/server/src/database/repos/page/page-hierarchy.repo.ts

@@ -2,6 +2,18 @@ import { Injectable, Logger } from '@nestjs/common';
 import { InjectKysely } from 'nestjs-kysely';
 import { KyselyDB, KyselyTransaction } from '../../types/kysely.types';
 import { sql } from 'kysely';
+import { executeTx } from '../../utils';
+
+export type IntegrityReport = {
+  healthy: boolean;
+  extraEntries: number;
+  missingEntries: number;
+  affectedSpaceIds: string[];
+};
+
+export type RepairResult = {
+  rebuiltSpaces: number;
+};
 
 @Injectable()
 export class PageHierarchyRepo {
@@ -111,4 +123,91 @@ export class PageHierarchyRepo {
 
     return Number(result?.numInsertedOrUpdatedRows ?? 0);
   }
+
+  async checkIntegrity(): Promise<IntegrityReport> {
+    const result = await this.db
+      .withRecursive('expected', (qb) =>
+        qb
+          .selectFrom('pages')
+          .select([
+            'id as ancestorId',
+            'id as descendantId',
+            sql<number>`0`.as('depth'),
+            'spaceId',
+          ])
+          .where('deletedAt', 'is', null)
+          .unionAll((eb) =>
+            eb
+              .selectFrom('pages as p')
+              .innerJoin('expected as e', 'p.parentPageId', 'e.descendantId')
+              .select([
+                'e.ancestorId',
+                'p.id as descendantId',
+                sql<number>`e.depth + 1`.as('depth'),
+                'p.spaceId',
+              ])
+              .where('p.deletedAt', 'is', null),
+          ),
+      )
+      .selectFrom('expected as e')
+      .fullJoin('pageHierarchy as ph', (join) =>
+        join
+          .onRef('e.ancestorId', '=', 'ph.ancestorId')
+          .onRef('e.descendantId', '=', 'ph.descendantId'),
+      )
+      .leftJoin('pages as p', 'ph.descendantId', 'p.id')
+      .select([
+        sql<number>`count(*) filter (where e.ancestor_id is null and ph.ancestor_id is not null)`.as(
+          'extraCount',
+        ),
+        sql<number>`count(*) filter (where ph.ancestor_id is null and e.ancestor_id is not null)`.as(
+          'missingCount',
+        ),
+        sql<
+          string[]
+        >`array_agg(distinct coalesce(e.space_id, p.space_id)) filter (where
+          (e.ancestor_id is null and ph.ancestor_id is not null) or
+          (ph.ancestor_id is null and e.ancestor_id is not null)
+        )`.as('affectedSpaceIds'),
+      ])
+      .executeTakeFirst();
+
+    const extraCount = Number(result?.extraCount ?? 0);
+    const missingCount = Number(result?.missingCount ?? 0);
+    const affectedSpaceIds = (result?.affectedSpaceIds ?? []).filter(Boolean);
+
+    return {
+      healthy: extraCount === 0 && missingCount === 0,
+      extraEntries: extraCount,
+      missingEntries: missingCount,
+      affectedSpaceIds,
+    };
+  }
+
+  async repair(): Promise<RepairResult> {
+    const report = await this.checkIntegrity();
+
+    if (report.healthy) {
+      return { rebuiltSpaces: 0 };
+    }
+
+    let rebuiltSpaces = 0;
+
+    for (const spaceId of report.affectedSpaceIds) {
+      await executeTx(this.db, async (trx) => {
+        const locked = await this.tryAcquireSpaceLock(spaceId, trx);
+        if (!locked) {
+          this.logger.debug(
+            `Repair for space ${spaceId} skipped - another process holds the lock`,
+          );
+          return;
+        }
+
+        await this.rebuildBySpace(spaceId, trx);
+        rebuiltSpaces++;
+      });
+    }
+
+    return { rebuiltSpaces };
+  }
 }

apps/server/src/integrations/queue/processors/hierarchy.processor.ts

@@ -8,12 +8,6 @@ import { IRebuildHierarchyJob } from '../constants/queue.interface';
 import { PageHierarchyRepo } from '@docmost/db/repos/page/page-hierarchy.repo';
 import { executeTx } from '@docmost/db/utils';
 
-const HIERARCHY_JOBS = [
-  QueueJob.REBUILD_HIERARCHY_ALL,
-  QueueJob.REBUILD_HIERARCHY_ALL_BY_SPACE,
-  QueueJob.REBUILD_HIERARCHY_SPACE,
-] as const;
-
 @Processor(QueueName.HIERARCHY_QUEUE)
 export class HierarchyProcessor extends WorkerHost implements OnModuleDestroy {
   private readonly logger = new Logger(HierarchyProcessor.name);
@@ -117,25 +111,19 @@ export class HierarchyProcessor extends WorkerHost implements OnModuleDestroy {
 
   @OnWorkerEvent('active')
   onActive(job: Job) {
-    if (HIERARCHY_JOBS.includes(job.name as (typeof HIERARCHY_JOBS)[number])) {
-      this.logger.debug(`Processing ${job.name} job`);
-    }
+    this.logger.debug(`Processing ${job.name} job`);
   }
 
   @OnWorkerEvent('failed')
   onError(job: Job) {
-    if (HIERARCHY_JOBS.includes(job.name as (typeof HIERARCHY_JOBS)[number])) {
-      this.logger.error(
-        `Error processing ${job.name} job. Reason: ${job.failedReason}`,
-      );
-    }
+    this.logger.error(
+      `Error processing ${job.name} job. Reason: ${job.failedReason}`,
+    );
   }
 
   @OnWorkerEvent('completed')
   onCompleted(job: Job) {
-    if (HIERARCHY_JOBS.includes(job.name as (typeof HIERARCHY_JOBS)[number])) {
-      this.logger.debug(`Completed ${job.name} job`);
-    }
+    this.logger.debug(`Completed ${job.name} job`);
   }
 
   async onModuleDestroy(): Promise<void> {