first commit

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

@@ -0,0 +1,18 @@
+import { CommandHandler, ICommandHandler } from '@nestjs/cqrs';
+import { CommandResult, ack } from './command-result';
+import { UpdateProjectCommand } from './update-project.command';
+import { WriteAccess } from './write-access';
+
+@CommandHandler(UpdateProjectCommand)
+export class UpdateProjectCommandHandler
+  implements ICommandHandler<UpdateProjectCommand>
+{
+  constructor(private readonly access: WriteAccess) {}
+
+  async execute(command: UpdateProjectCommand): Promise<CommandResult> {
+    const project = await this.access.project(command.projectId);
+    project.updateDetails(command.actorId, command.changes);
+    await project.commitAndWait();
+    return ack(project);
+  }
+}