discourse-custom-wizard/assets/javascripts/discourse/controllers/next-session-scheduled.js.es6

import { default as discourseComputed } from "discourse-common/utils/decorators";
import Controller from "@ember/controller";

export default Controller.extend({
  title: "admin.wizard.after_time_modal.title",

  setup() {
    this.set(
      "bufferedDateTime",
      this.model.dateTime ? moment(this.model.dateTime) : moment(Date.now())
    );
  },

  @discourseComputed("bufferedDateTime")
  submitDisabled(dateTime) {
    return moment().isAfter(dateTime);
  },

  actions: {
    submit() {
      const dateTime = this.get("bufferedDateTime");
      this.get("model.update")(moment(dateTime).utc().toISOString());
      this.send("closeModal");
    },

    dateTimeChanged(dateTime) {
      this.set("bufferedDateTime", dateTime);
    },
  },
});