discourse/app/assets/javascripts/discourse/controllers/raw-email.js.es6

import ModalFunctionality from 'discourse/mixins/modal-functionality';
import Post from 'discourse/models/post';
import IncomingEmail from 'admin/models/incoming-email';

// This controller handles displaying of raw email
export default Ember.Controller.extend(ModalFunctionality, {
  rawEmail: "",
  textPart: "",
  htmlPart: "",

  tab: "raw",

  showRawEmail: Ember.computed.equal("tab", "raw"),
  showTextPart: Ember.computed.equal("tab", "text_part"),
  showHtmlPart: Ember.computed.equal("tab", "html_part"),

  onShow() { this.send("displayRaw"); },

  loadRawEmail(postId) {
    return Post.loadRawEmail(postId)
               .then(result => this.setProperties({
                  "rawEmail": result.raw_email,
                  "textPart": result.text_part,
                  "htmlPart": result.html_part,
                }));
  },

  loadIncomingRawEmail(incomingEmailId) {
    return IncomingEmail.loadRawEmail(incomingEmailId)
                        .then(result => this.setProperties({
                          "rawEmail": result.raw_email,
                          "textPart": result.text_part,
                          "htmlPart": result.html_part,
                        }));
  },

  actions: {
    displayRaw() { this.set("tab", "raw"); },
    displayTextPart() { this.set("tab", "text_part"); },
    displayHtmlPart() { this.set("tab", "html_part"); }
  }

});