Add support for subreddits explore API

inc/teddit_api/handleSubreddit.js

@@ -2,6 +2,7 @@ const processJsonSubreddit = require('../processJsonSubreddit');
 const { processJsonSubredditAbout } = require('../processSubredditAbout');
 const processSearchResults = require('../processSearchResults.js');
 const { processJsonPostList, getPostItem } = require('../processJsonPost');
+const processJsonSubredditsExplore = require('../processSubredditsExplore.js');
 
 module.exports = function () {
   const config = require('../../config');
@@ -169,6 +170,86 @@ module.exports = function () {
 
         await processJsonPostList(processed_json.posts, mode);
 
+        return res.end(JSON.stringify(processed_json));
+      }
+    }
+  };
+  this.handleTedditApiSubredditsExplore = async (
+    json,
+    req,
+    res,
+    from,
+    api_type,
+    api_target,
+    query
+  ) => {
+    if (!config.api_enabled) {
+      res.setHeader('Content-Type', 'application/json');
+      let msg = {
+        info: 'This instance do not support API requests. Please see https://codeberg.org/teddit/teddit#instances for instances that support API, or setup your own instance.',
+      };
+      return res.end(JSON.stringify(msg));
+    }
+
+    console.log('Teddit API request - subreddit explore');
+    if (from === 'redis') json = JSON.parse(json);
+
+    if (api_type === 'rss') {
+      let protocol = config.https_enabled || config.api_force_https ? 'https' : 'http';
+      let items = '';
+
+      let children_len = json.data.children.length;
+
+      for (var i = 0; i < children_len; i++) {
+        let data = json.data.children[i].data;
+
+        items += `
+          <item>
+            <title>${data.title}</title>
+            <created>${data.created}</created>
+            <pubDate>${new Date(
+              data.created_utc * 1000
+            ).toGMTString()}</pubDate>
+            <id>${data.id}</id>
+            <name>${data.display_name}</name>
+            <name_prefixed>${data.display_name_prefixed}</name_prefixed>
+            <url>${replaceDomains(data.url, req.cookies)}</url>
+            <description><![CDATA[${unescape(
+              data.public_description_html
+            )}]]></description>
+            <subscribers>${data.subscribers}</subscribers>
+            <over_18>${data.over18}</over_18>
+          </item>
+        `;
+      }
+      
+      let title = `${query}`;
+      let link = `${protocol}://${config.domain}/subreddits/search?q=${query}`;
+
+      let xml_output = `<?xml version="1.0" encoding="UTF-8"?>
+        <rss xmlns:atom="http://www.w3.org/2005/Atom" xmlns:dc="http://purl.org/dc/elements/1.1/" version="2.0">
+          <channel>
+            <atom:link href="${link}&amp;api&amp;type=rss" rel="self" type="application/rss+xml" />
+            <title>${title}</title>
+            <link>${link}</link>
+            <description>Results for: ${query}</description>
+            ${items}
+          </channel>
+        </rss>`;
+      res.setHeader('Content-Type', 'application/rss+xml');
+      return res.end(xml_output);
+    } else {
+      res.setHeader('Content-Type', 'application/json');
+      if (api_target === 'reddit') {
+        return res.end(JSON.stringify(json));
+      } else {
+        let processed_json = await processJsonSubredditsExplore(
+          json,
+          true,
+          null,
+          req.cookies
+        );
+
         return res.end(JSON.stringify(processed_json));
       }
     }