feat(rss): add new items in feed trigger

packages/backend/package.json

@@ -42,6 +42,7 @@
     "dotenv": "^10.0.0",
     "express": "~4.16.1",
     "express-graphql": "^0.12.0",
+    "fast-xml-parser": "^4.0.11",
     "flickr-sdk": "3.10.0",
     "googleapis": "89.0.0",
     "graphql-middleware": "^6.1.15",

packages/backend/src/apps/rss/assets/favicon.svg

@@ -0,0 +1,6 @@
+<svg xmlns="http://www.w3.org/2000/svg"
+aria-label="RSS" role="img"
+viewBox="0 0 512 512"><rect
+width="512" height="512"
+rx="15%"
+fill="#f80"/><circle cx="145" cy="367" r="35" fill="#fff"/><path fill="none" stroke="#fff" stroke-width="60" d="M109 241c89 0 162 73 162 162m114 0c0-152-124-276-276-276"/></svg>

packages/backend/src/apps/rss/index.ts

@@ -0,0 +1,13 @@
+import defineApp from '../../helpers/define-app';
+
+export default defineApp({
+  name: 'RSS',
+  key: 'rss',
+  iconUrl: '{BASE_URL}/apps/rss/assets/favicon.svg',
+  authDocUrl: 'https://automatisch.io/docs/connections/rss',
+  supportsConnections: false,
+  baseUrl: '',
+  apiBaseUrl: '',
+  primaryColor: 'ff8800',
+  beforeRequest: [],
+});

packages/backend/src/apps/rss/triggers/new-items-in-feed/index.ts

@@ -0,0 +1,33 @@
+import defineTrigger from '../../../../helpers/define-trigger';
+import newItemsInFeed from './new-items-in-feed';
+
+export default defineTrigger({
+  name: 'New items in feed',
+  key: 'newItemsInFeed',
+  description: 'Triggers on new RSS feed items.',
+  pollInterval: 15,
+  substeps: [
+    {
+      key: 'chooseTrigger',
+      name: 'Set up trigger',
+      arguments: [
+        {
+          label: 'Feed URL',
+          key: 'feedUrl',
+          type: 'string',
+          required: true,
+          description: 'Paste your publicly accessible RSS URL here.',
+          variables: false,
+        },
+      ],
+    },
+    {
+      key: 'testStep',
+      name: 'Test trigger',
+    },
+  ],
+
+  async run($) {
+    await newItemsInFeed($);
+  },
+});

packages/backend/src/apps/rss/triggers/new-items-in-feed/new-items-in-feed.ts

@@ -0,0 +1,24 @@
+import { IGlobalVariable } from '@automatisch/types';
+import { XMLParser } from 'fast-xml-parser';[]
+
+const newItemsInFeed = async ($: IGlobalVariable) => {
+  const { data } = await $.http.get($.step.parameters.feedUrl as string);
+  const parser = new XMLParser();
+  const parsedData = parser.parse(data);
+
+  for (const item of parsedData.rss.channel.item) {
+    if ($.flow.isAlreadyProcessed(item.guid))
+      return;
+
+    const dataItem = {
+      raw: item,
+      meta: {
+        internalId: item.guid
+      }
+    }
+
+    $.pushTriggerItem(dataItem);
+  }
+};
+
+export default newItemsInFeed;

packages/backend/src/graphql/schema.graphql

@@ -155,13 +155,14 @@ enum AvailableAppsEnumType {
   github
   gitlab
   postgresql
+  rss
+  scheduler
+  slack
   smtp
   twilio
   twitch
   twitter
   typeform
-  slack
-  scheduler
 }
 
 type Connection {

packages/docs/pages/connections/rss.md

@@ -0,0 +1,3 @@
+# RSS
+
+RSS is a built-in app shipped with Automatisch, and it doesn't need to talk with any other external service to run. So there are no additional steps to use the RSS app.

packages/web/src/components/AddAppConnection/index.tsx

@@ -88,6 +88,7 @@ export default function AddAppConnection(props: AddAppConnectionProps): React.Re
     <Dialog open={true} onClose={onClose} data-test="add-app-connection-dialog">
       <DialogTitle>{hasConnection ? formatMessage('app.reconnectConnection') : formatMessage('app.addConnection')}</DialogTitle>
 
+      {authDocUrl && (
           <Alert severity="info" sx={{ fontWeight: 300 }}>
           {formatMessage(
             'addAppConnection.callToDocs',
@@ -97,6 +98,7 @@ export default function AddAppConnection(props: AddAppConnectionProps): React.Re
             }
           )}
         </Alert>
+      )}
 
       {errorMessage && (
         <Alert severity="error" sx={{ mt: 1, fontWeight: 500 }}>

yarn.lock

@@ -9302,6 +9302,13 @@ fast-text-encoding@^1.0.0:
   resolved "https://registry.yarnpkg.com/fast-text-encoding/-/fast-text-encoding-1.0.3.tgz#ec02ac8e01ab8a319af182dae2681213cfe9ce53"
   integrity sha512-dtm4QZH9nZtcDt8qJiOH9fcQd1NAgi+K1O2DbE6GG1PPCK/BWfOH3idCTRQ4ImXRUOyopDEgDEnVEE7Y/2Wrig==
 
+fast-xml-parser@^4.0.11:
+  version "4.0.11"
+  resolved "https://registry.yarnpkg.com/fast-xml-parser/-/fast-xml-parser-4.0.11.tgz#42332a9aca544520631c8919e6ea871c0185a985"
+  integrity sha512-4aUg3aNRR/WjQAcpceODG1C3x3lFANXRo8+1biqfieHmg9pyMt7qB4lQV/Ta6sJCTbA5vfD8fnA8S54JATiFUA==
+  dependencies:
+    strnum "^1.0.5"
+
 fastest-levenshtein@^1.0.7:
   version "1.0.12"
   resolved "https://registry.yarnpkg.com/fastest-levenshtein/-/fastest-levenshtein-1.0.12.tgz#9990f7d3a88cc5a9ffd1f1745745251700d497e2"
@@ -17155,6 +17162,11 @@ strip-json-comments@^3.1.0, strip-json-comments@^3.1.1:
   resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-3.1.1.tgz#31f1281b3832630434831c310c01cccda8cbe006"
   integrity sha512-6fPc+R4ihwqP6N/aIv2f1gMH8lOVtWQHoqC4yK6oSDVVocumAsfCqjkXnqiYMhmMwS/mEHLp7Vehlt3ql6lEig==
 
+strnum@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/strnum/-/strnum-1.0.5.tgz#5c4e829fe15ad4ff0d20c3db5ac97b73c9b072db"
+  integrity sha512-J8bbNyKKXl5qYcR36TIO8W3mVGVHrmmxsd5PAItGkmyzwJvybiw2IVq5nqd0i4LSNSkB/sx9VHllbfFdr9k1JA==
+
 strong-log-transformer@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/strong-log-transformer/-/strong-log-transformer-2.1.0.tgz#0f5ed78d325e0421ac6f90f7f10e691d6ae3ae10"