ghost/core/client/app/components/gh-user-invited.js

import Ember from 'ember';

export default Ember.Component.extend({
    tagName: '',

    user: null,

    notifications: Ember.inject.service(),

    createdAt: Ember.computed('user.created_at', function () {
        var createdAt = this.get('user.created_at');

        return createdAt ? createdAt.fromNow() : '';
    }),

    actions: {
        resend: function () {
            var user = this.get('user'),
                notifications = this.get('notifications');

            user.resendInvite().then(function (result) {
                var notificationText = 'Invitation resent! (' + user.get('email') + ')';

                // If sending the invitation email fails, the API will still return a status of 201
                // but the user's status in the response object will be 'invited-pending'.
                if (result.users[0].status === 'invited-pending') {
                    notifications.showAlert('Invitation email was not sent.  Please try resending.', {type: 'error'});
                } else {
                    user.set('status', result.users[0].status);
                    notifications.showNotification(notificationText);
                }
            }).catch(function (error) {
                notifications.showAPIError(error);
            });
        },

        revoke: function () {
            var user = this.get('user'),
                email = user.get('email'),
                notifications = this.get('notifications'),
                self = this;

            // reload the user to get the most up-to-date information
            user.reload().then(function () {
                if (user.get('invited')) {
                    user.destroyRecord().then(function () {
                        var notificationText = 'Invitation revoked. (' + email + ')';

                        notifications.showNotification(notificationText);
                    }).catch(function (error) {
                        notifications.showAPIError(error);
                    });
                } else {
                    // if the user is no longer marked as "invited", then show a warning and reload the route
                    self.sendAction('reload');
                    notifications.showAlert('This user has already accepted the invitation.', {type: 'error', delayed: true});
                }
            });
        }
    }
});