Add migration to create department id blacklist

Author: bryanjnelson

src/components/project/migrations/create-used-dept-id-list.migration.ts

@@ -0,0 +1,53 @@
+/* eslint-disable no-console */
+
+import { readFile, writeFile } from 'node:fs/promises';
+import { BaseMigration, Migration } from '~/core/database';
+
+interface ExternalDepartmentId {
+  departmentId: string;
+  name?: string;
+}
+
+@Migration('2025-09-17T09:00:00')
+export class CreateUsedDeptIdListMigration extends BaseMigration {
+  async up() {
+    const intaactFilePath = new URL(
+      '../../../../../All-Department-Ids-From-Intaact.csv',
+      import.meta.url,
+    );
+    const cordFilePath = new URL(
+      '../../../../../prod_deptIds_ids_only.csv',
+      import.meta.url,
+    );
+
+    const intaactFileContent = await readFile(intaactFilePath, 'utf-8');
+    const cordFileContent = await readFile(cordFilePath, 'utf-8');
+
+    const intaactRows = intaactFileContent.trim().split(/\r?\n/).slice(1); // Skip header
+    const cordRows = cordFileContent.trim().split(/\r?\n/).slice(1); // Skip header
+
+    const intaactList: ExternalDepartmentId[] = intaactRows.flatMap((row) => {
+      const [departmentId, name] = row.split(',');
+      if (departmentId) {
+        return { departmentId, name };
+      }
+      return [];
+    });
+
+    const prunedIntaactList = intaactList.flatMap((row) =>
+      !cordRows.includes(row.departmentId) ? row : [],
+    );
+
+    const header = ['Department ID', 'Department Name'];
+    const lines = prunedIntaactList.map(
+      (row) => `${row.departmentId},${row.name ?? ''}`,
+    );
+    const csvContent = [header.join(','), ...lines].join('\n');
+
+    await writeFile(
+      'Pruned-Department-Ids-Not-In-CORD.csv',
+      csvContent,
+      'utf-8',
+    );
+  }
+}

src/components/project/project.module.ts

@@ -14,6 +14,7 @@ import { ProjectEngagementConnectionResolver } from './engagement-connection.res
 import { FinancialApproverModule } from './financial-approver/financial-approver.module';
 import * as handlers from './handlers';
 import { InternshipProjectResolver } from './internship-project.resolver';
+import { CreateUsedDeptIdListMigration } from './migrations/create-used-dept-id-list.migration';
 import { FixDeptIdLabelMigration } from './migrations/fix-dept-id-label.migration';
 import { RenameTranslationToMomentumMigration } from './migrations/rename-translation-to-momentum.migration';
 import { ProjectEngagementIdResolvers } from './project-engagement-id.resolver';
@@ -55,6 +56,7 @@ import { ProjectWorkflowModule } from './workflow/project-workflow.module';
     ...Object.values(ConcreteRepos),
     ProjectLoader,
     ...Object.values(handlers),
+    CreateUsedDeptIdListMigration,
     RenameTranslationToMomentumMigration,
     FixDeptIdLabelMigration,
   ],