fix permissions and teacher attendance workflows

apps/server/src/database/database-migrations.service.ts

@@ -0,0 +1,41 @@
+import { Injectable, Logger, OnApplicationBootstrap } from '@nestjs/common';
+import { DataSource } from 'typeorm';
+
+@Injectable()
+export class DatabaseMigrationsService implements OnApplicationBootstrap {
+  private readonly logger = new Logger(DatabaseMigrationsService.name);
+
+  constructor(private readonly dataSource: DataSource) {}
+
+  async onApplicationBootstrap(): Promise<void> {
+    await this.normalizeClassDates();
+  }
+
+  private async normalizeClassDates(): Promise<void> {
+    const driver = this.dataSource.options.type;
+    const dateExpression = (column: string) =>
+      driver === 'mysql' ? `DATE(${column})` : `substr(${column}, 1, 10)`;
+
+    const lengthFunction = driver === 'mysql' ? 'CHAR_LENGTH' : 'length';
+    const result = await this.dataSource.transaction((manager) =>
+      manager.query(`
+        UPDATE classes
+        SET
+          start_date = CASE
+            WHEN start_date IS NULL OR start_date = '' THEN start_date
+            ELSE ${dateExpression('start_date')}
+          END,
+          end_date = CASE
+            WHEN end_date IS NULL OR end_date = '' THEN end_date
+            ELSE ${dateExpression('end_date')}
+          END
+        WHERE
+          (start_date IS NOT NULL AND ${lengthFunction}(start_date) > 10)
+          OR (end_date IS NOT NULL AND ${lengthFunction}(end_date) > 10)
+      `),
+    );
+
+    const affected = typeof result?.changes === 'number' ? result.changes : result?.affectedRows;
+    if (affected) this.logger.log(`已规范化 ${affected} 条班级日期数据`);
+  }
+}