first commit

libs/api/tracker/application/src/lib/commands/set-issue-release.command-handler.ts

@@ -0,0 +1,26 @@
+import { CommandHandler, ICommandHandler } from '@nestjs/cqrs';
+import { CommandResult, ack } from './command-result';
+import { SetIssueReleaseCommand } from './set-issue-release.command';
+import { WriteAccess } from './write-access';
+
+@CommandHandler(SetIssueReleaseCommand)
+export class SetIssueReleaseCommandHandler
+  implements ICommandHandler<SetIssueReleaseCommand>
+{
+  constructor(private readonly access: WriteAccess) {}
+
+  async execute(command: SetIssueReleaseCommand): Promise<CommandResult> {
+    const { issue, project } = await this.access.issueForContributor(
+      command.issueId,
+      command.actorId,
+    );
+    // Neither the old nor the new release may be already shipped.
+    if (issue.releaseId)
+      await this.access.openReleaseOf(project, issue.releaseId);
+    if (command.releaseId)
+      await this.access.openReleaseOf(project, command.releaseId);
+    issue.setRelease(command.actorId, command.releaseId);
+    await issue.commitAndWait();
+    return ack(issue);
+  }
+}