first commit

libs/api/tracker/application/src/lib/commands/create-project.command-handler.ts

@@ -0,0 +1,30 @@
+import { CommandHandler, EventPublisher, ICommandHandler } from '@nestjs/cqrs';
+import { ProjectFactory } from '@task-stream/api/tracker/domain';
+import { ProjectKeysRepository } from '../ports/project-keys.repository';
+import { CommandResult, ack } from './command-result';
+import { CreateProjectCommand } from './create-project.command';
+
+@CommandHandler(CreateProjectCommand)
+export class CreateProjectCommandHandler
+  implements ICommandHandler<CreateProjectCommand>
+{
+  constructor(
+    private readonly projectFactory: ProjectFactory,
+    private readonly projectKeys: ProjectKeysRepository,
+    private readonly eventPublisher: EventPublisher,
+  ) {}
+
+  async execute(command: CreateProjectCommand): Promise<CommandResult> {
+    const project = this.projectFactory.create({
+      key: command.key,
+      name: command.name,
+      description: command.description,
+      ownerId: command.actorId,
+    });
+    await this.projectKeys.reserve(project.key, project.id);
+
+    this.eventPublisher.mergeObjectContext(project);
+    await project.commitAndWait();
+    return ack(project);
+  }
+}