first commit

libs/api/tracker/application/src/lib/queries/get-release-progress.query-handler.ts

@@ -0,0 +1,29 @@
+import { IQueryHandler, QueryHandler } from '@nestjs/cqrs';
+import { ReleaseProgressReadModel } from '@task-stream/api/tracker/domain';
+import { FindIssuesRepository } from '../ports/find-issues.repository';
+import { FindReleasesRepository } from '../ports/find-releases.repository';
+import { ReadAccess } from './read-access';
+import { GetReleaseProgressQuery } from './get-release-progress.query';
+
+@QueryHandler(GetReleaseProgressQuery)
+export class GetReleaseProgressQueryHandler
+  implements IQueryHandler<GetReleaseProgressQuery, ReleaseProgressReadModel>
+{
+  constructor(
+    private readonly findReleases: FindReleasesRepository,
+    private readonly findIssues: FindIssuesRepository,
+    private readonly access: ReadAccess,
+  ) {}
+
+  async execute(
+    query: GetReleaseProgressQuery,
+  ): Promise<ReleaseProgressReadModel> {
+    const release = this.access.assertFound(
+      await this.findReleases.findById(query.releaseId),
+      'Release',
+      query.releaseId,
+    );
+    await this.access.assertCanView(release.projectId, query.viewerId);
+    return this.findIssues.releaseProgress(release.id);
+  }
+}