feat(route): Add Discourse notifications fulltext support. (#13168)

* feat(route): Add Discourse notifications fulltext support.

* Update doc.

* Update notifications.js

* Update bbs.md

* Update bbs.md

lib/v2/discourse/maintainer.js

@@ -1,4 +1,4 @@
 module.exports = {
     '/:configId/posts': ['dzx-dzx'],
-    '/:configId/notification': ['dzx-dzx'],
+    '/:configId/notification/:fulltext?': ['dzx-dzx'],
 };

lib/v2/discourse/notifications.js

@@ -5,14 +5,31 @@ module.exports = async (ctx) => {
     const { link, key } = getConfig(ctx);
 
     const response = await got(`${link}/notifications.json`, { headers: { 'User-Api-Key': key } }).json();
-    const items = response.notifications.map((e) => ({
+    let items = response.notifications.slice(0, ctx.query.limit ? parseInt(ctx.query.limit) : 10).map((e) => ({
         title: e.fancy_title ?? e.data.badge_name,
         link: `${link}/${e.data.hasOwnProperty('badge_id') ? `badges/${e.data.badge_id}/${e.data.badge_slug}?username=${e.data.username}` : `t/topic/${e.topic_id}/${e.post_number}`}`,
         pubDate: new Date(e.created_at),
         author: e.data.display_username ?? e.data.username,
         category: `notification_type:${e.notification_type}`,
+        original_post_id: e.data.original_post_id,
     }));
 
+    if (ctx.params.fulltext === '1') {
+        items = await Promise.all(
+            items.map((e) => {
+                if (e.original_post_id) {
+                    const post_link = `${link}/posts/${e.original_post_id}.json`;
+                    return ctx.cache.tryGet(post_link, async () => {
+                        const { cooked } = await got(post_link, { headers: { 'User-Api-Key': key } }).json();
+                        return { ...e, description: cooked };
+                    });
+                } else {
+                    return e;
+                }
+            })
+        );
+    }
+
     const { about } = await got(`${link}/about.json`, { headers: { 'User-Api-Key': key } }).json();
     ctx.state.data = {
         title: `${about.title} - Notifications`,

lib/v2/discourse/router.js

@@ -1,4 +1,4 @@
 module.exports = (router) => {
     router.get('/:configId/posts', require('./posts'));
-    router.get('/:configId/notifications', require('./notifications'));
+    router.get('/:configId/notifications/:fulltext?', require('./notifications'));
 };

website/docs/routes/bbs.md

@@ -154,7 +154,13 @@ You need to set the environment variable `DISCOURSE_CONFIG_{id}` before using it
 
 ### Notifications {#discourse-notifications}
 
-<Route author="dzx-dzx" example="/discourse/0/notifications" path="/discourse/:configId/notifications" paramsDesc={['Environment variable configuration id, see above']} selfhost="1"/>
+<Route author="dzx-dzx" example="/discourse/0/notifications" path="/discourse/:configId/notifications/:fulltext?" paramsDesc={['Environment variable configuration id, see above','Fetch the content if the notification points to a post. This is disabled by default, set it to `1` to enable it.']} selfhost="1"/>
+
+:::caution
+
+If you opt to enable `fulltext` feature, consider adding `limit` parameter to your query to avoid sending too many request.
+
+:::
 
 ## Discuz {#discuz}