Atomist command to find out who is reviewing

gistfile1.txt

import { commandHandlerFrom } from "@atomist/automation-client/onCommand";
import { HandleCommand } from "@atomist/automation-client";
import { Parameters } from "@atomist/automation-client/decorators";
import * as _ from "lodash"

@Parameters()
export class WhoIsBusyParameters {

}


export const whoIsBusyCommand: HandleCommand<any> = commandHandlerFrom(
    async (ctx) => {
        await ctx.messageClient.respond("I hear you");

        const result: any = await ctx.graphClient.executeQuery(`query K {
 PullRequest {
  number
  repo @required {
    owner name
  }
  reviewers @required {
    login 
    person {
      chatId
      {
        screenName
      }
    }
  }
}
}
`);
       const allReviewers = _.flatten(result.PullRequest.map(r => r.reviewers))
        const reviewersByLogin = _.groupBy(allReviewers,(r: any) => _.get(r, "person.chatId.screenName", r.login));

        const lines = Object.keys(reviewersByLogin).map(login =>
            `${login} has ${reviewersByLogin[login].length} review in process`);

       return ctx.messageClient.respond(lines.join("\n"))

    }, WhoIsBusyParameters,
    "WhoIsBusy", "Peter", "who is busy"

);