Fix for #660

Campaign preview and campaign test send pulls the first entry in the RSS feed and substitutes its data in `[RSS_ENTRY_*]`

client/src/campaigns/Status.js

@@ -10,7 +10,7 @@ import {getCampaignLabels} from './helpers';
 import {Table} from "../lib/table";
 import {Button, Icon, ModalDialog} from "../lib/bootstrap-components";
 import axios from "../lib/axios";
-import {getPublicUrl, getUrl} from "../lib/urls";
+import {getPublicUrl, getSandboxUrl, getUrl} from "../lib/urls";
 import interoperableErrors from '../../../shared/interoperable-errors';
 import {CampaignStatus, CampaignType} from "../../../shared/campaigns";
 import moment from 'moment-timezone';
@@ -58,10 +58,29 @@ class PreviewForTestUserModalDialog extends Component {
 
     async previewAsync() {
         if (this.isFormWithoutErrors()) {
-            const campaignCid = this.props.entity.cid;
+            const entity = this.props.entity;
+            const campaignCid = entity.cid;
             const [listCid, subscriptionCid] = this.getFormValue('testUser').split(':');
 
-            window.open(getPublicUrl(`archive/${campaignCid}/${listCid}/${subscriptionCid}`, {withLocale: true}), '_blank');
+            if (entity.type === CampaignType.RSS) {
+                const result = await axios.post(getUrl('rest/restricted-access-token'), {
+                    method: 'rssPreview',
+                    params: {
+                        campaignCid,
+                        listCid
+                    }
+                });
+
+                const accessToken = result.data;
+                window.open(getSandboxUrl(`campaigns/rss-preview/${campaignCid}/${listCid}/${subscriptionCid}`, accessToken, {withLocale: true}), '_blank');
+
+            } else if (entity.type === CampaignType.REGULAR) {
+                window.open(getPublicUrl(`archive/${campaignCid}/${listCid}/${subscriptionCid}`, {withLocale: true}), '_blank');
+
+            } else {
+                throw new Error('Preview not supported');
+            }
+
         } else {
             this.showFormValidation();
         }

client/src/lib/urls.js

@@ -15,9 +15,15 @@ function getTrustedUrl(path) {
     return mailtrainConfig.trustedUrlBase + (path || '');
 }
 
-function getSandboxUrl(path, customRestrictedAccessToken) {
+function getSandboxUrl(path, customRestrictedAccessToken, opts) {
     const localRestrictedAccessToken = customRestrictedAccessToken || restrictedAccessToken;
-    return mailtrainConfig.sandboxUrlBase + localRestrictedAccessToken + '/' + (path || '');
+     const url = new URL(localRestrictedAccessToken + '/' + (path || ''), mailtrainConfig.sandboxUrlBase);
+
+    if (opts && opts.withLocale) {
+        url.searchParams.append('locale', i18n.language);
+    }
+
+    return url.toString();
 }
 
 function getPublicUrl(path, opts) {

client/src/templates/helpers.js

@@ -683,6 +683,14 @@ export function getEditForm(owner, typeKey, prefix = '') {
                                 <Trans i18nKey="rssEntryImageUrl">RSS entry image URL</Trans>
                             </td>
                         </tr>
+                        <tr>
+                            <th scope="row">
+                                {tg('RSS_ENTRY_CUSTOM_TAGS')}
+                            </th>
+                            <td>
+                                <Trans>Mailtrain custom tags. The custom tags can be passed in via <code>mt:entries-json</code> element in RSS entry. The text contents of the elements is interpreted as JSON-formatted object..</Trans>
+                            </td>
+                        </tr>
                         </tbody>
                     </table>
                 </div>}