Adding images to scraping data (#157)

* Fredy now supports pulling the main Image from the listing and send it together with the usual information

lib/notification/adapter/slack.js

@@ -1,43 +1,61 @@
 import Slack from 'slack';
 import { markdown2Html } from '../../services/markdown.js';
-const msg = Slack.chat.postMessage;
-export const send = ({ serviceName, newListings, notificationConfig, jobKey }) => {
-  const { token, channel } = notificationConfig.find((adapter) => adapter.id === config.id).fields;
-  return newListings.map((payload) =>
-    msg({
-      token,
-      channel,
-      text: `*(${serviceName} - ${jobKey})* - ${payload.title}`,
-      attachments: [
-        {
-          fallback: payload.title,
-          color: '#36a64f',
-          title: 'Link to Exposé',
-          title_link: payload.link,
-          fields: [
-            {
-              title: 'Price',
-              value: payload.price,
-              short: false,
-            },
-            {
-              title: 'Size',
-              value: payload.size,
-              short: false,
-            },
-            {
-              title: 'Address',
-              value: payload.address,
-              short: false,
-            },
-          ],
-          footer: 'Powered by Fredy',
-          ts: new Date().getTime() / 1000,
-        },
+import { normalizeImageUrl } from '../../utils.js';
+
+const buildBlocks = (serviceName, jobKey, p) => {
+  const blocks = [
+    {
+      type: 'header',
+      text: { type: 'plain_text', text: `New Listing from ${serviceName} (${jobKey})`, emoji: false },
+    },
+    {
+      type: 'section',
+      text: { type: 'mrkdwn', text: `*<${p.link}|${p.title}>*` },
+    },
+    {
+      type: 'section',
+      fields: [
+        { type: 'mrkdwn', text: `*Price*\n${p.price ?? 'n/a'}` },
+        { type: 'mrkdwn', text: `*Size*\n${p.size ?? 'n/a'}` },
+        { type: 'mrkdwn', text: `*Address*\n${p.address ?? 'n/a'}` },
       ],
-    }),
+    },
+  ];
+
+  const img = normalizeImageUrl(p.image);
+  if (img) {
+    blocks.push({
+      type: 'image',
+      image_url: img,
+      alt_text: p.title || 'listing image',
+    });
+  }
+
+  blocks.push({
+    type: 'context',
+    elements: [{ type: 'mrkdwn', text: 'Powered by Fredy' }],
+  });
+
+  return blocks;
+};
+
+export const send = ({ serviceName, newListings, notificationConfig, jobKey }) => {
+  const { token, channel } = notificationConfig.find((a) => a.id === config.id).fields;
+
+  return Promise.allSettled(
+    newListings.map((p) =>
+      Slack.chat.postMessage({
+        token,
+        channel,
+        text: `${serviceName} ${jobKey}: ${p.title}`,
+        blocks: buildBlocks(serviceName, jobKey, p),
+        unfurl_links: false,
+        unfurl_media: false,
+      }),
+    ),
   );
 };
+
 export const config = {
   id: 'slack',
   name: 'Slack',