From 7cb6db93f4013e29c3181a6de552e4e1343bb684 Mon Sep 17 00:00:00 2001
From: hockeymikey <hockeymikey@hockeymikey.com>
Date: Sat, 29 Apr 2023 10:31:11 -0500
Subject: [PATCH] Add in rss parsing library and option to use it instead of
 the API

---
 docs/widgets.md                    |  1 +
 package.json                       |  3 +-
 src/components/Widgets/RssFeed.vue | 70 +++++++++++++++++++++---------
 yarn.lock                          | 23 +++++++++-
 4 files changed, 74 insertions(+), 23 deletions(-)

diff --git a/docs/widgets.md b/docs/widgets.md
index 550dd6fd..b36a4a8f 100644
--- a/docs/widgets.md
+++ b/docs/widgets.md
@@ -219,6 +219,7 @@ Display news and updates from any RSS-enabled service.
 **`limit`** | `number` |  _Optional_ | The number of posts to return. If you haven't specified an API key, this will be limited to 10
 **`orderBy`** | `string` |  _Optional_ | How results should be sorted. Can be either `pubDate`, `author` or `title`. Defaults to `pubDate`
 **`orderDirection`** | `string` |  _Optional_ | Order direction of feed items to return. Can be either `asc` or `desc`. Defaults to `desc`
+**`parseLocally`** | `boolean`     |  _Optional_ | If true parse the rss feed locally instead of using the rss2json API.
 
 #### Example
 
diff --git a/package.json b/package.json
index 47a7b119..e6413a0d 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,8 @@
     "vue-select": "^3.20.2",
     "vue-swatches": "^2.1.1",
     "vue-toasted": "^1.1.28",
-    "vuex": "^3.6.2"
+    "vuex": "^3.6.2",
+    "rss-parser": "3.13.0"
   },
   "devDependencies": {
     "@architect/sandbox": "^4.5.2",
diff --git a/src/components/Widgets/RssFeed.vue b/src/components/Widgets/RssFeed.vue
index 94f8398a..6faf0899 100644
--- a/src/components/Widgets/RssFeed.vue
+++ b/src/components/Widgets/RssFeed.vue
@@ -31,6 +31,7 @@
 </template>
 
 <script>
+import * as Parser from 'rss-parser';
 import WidgetMixin from '@/mixins/WidgetMixin';
 import { widgetApiEndpoints } from '@/utils/defaults';
 
@@ -47,11 +48,14 @@ export default {
     /* The URL to users atom-format RSS feed */
     rssUrl() {
       if (!this.options.rssUrl) this.error('Missing feed URL');
-      return encodeURIComponent(this.options.rssUrl || '');
+      return this.options.rssUrl || '';
     },
     apiKey() {
       return this.options.apiKey;
     },
+    parseLocally() {
+      return this.options.parseLocally;
+    },
     limit() {
       const usersChoice = this.options.limit;
       if (usersChoice) return usersChoice;
@@ -73,8 +77,12 @@ export default {
       const limit = this.limit && this.apiKey ? `&count=${this.limit}` : '';
       const orderBy = this.orderBy && this.apiKey ? `&order_by=${this.orderBy}` : '';
       const direction = this.orderDirection ? `&order_dir=${this.orderDirection}` : '';
-      return `${widgetApiEndpoints.rssToJson}?rss_url=${this.rssUrl}`
-        + `${apiKey}${limit}${orderBy}${direction}`;
+      if (this.parseLocally) {
+        return this.rssUrl;
+      } else {
+        return `${widgetApiEndpoints.rssToJson}?rss_url=${encodeURIComponent(this.rssUrl)}`
+          + `${apiKey}${limit}${orderBy}${direction}`;
+      }
     },
   },
   filters: {
@@ -88,31 +96,51 @@ export default {
     },
   },
   methods: {
-    /* Make GET request to Rss2Json */
+    /* Make GET request to whatever endpoint we are using */
     fetchData() {
       this.makeRequest(this.endpoint).then(this.processData);
     },
     /* Assign data variables to the returned data */
-    processData(data) {
-      const { feed, items } = data;
-      this.meta = {
-        title: feed.title,
-        link: feed.link,
-        author: feed.author,
-        description: feed.description,
-        image: feed.image,
-      };
+    async processData(data) {
+      if (this.parseLocally) {
+        const parser = new Parser();
+        const { link, title, items, author, description, image } = await parser.parseString(data);
+        this.meta = {
+          title,
+          link,
+          author,
+          description,
+          image,
+        };
+        this.processItems(items);
+      } else {
+        const { feed, items } = data;
+        this.meta = {
+          title: feed.title,
+          link: feed.link,
+          author: feed.author,
+          description: feed.description,
+          image: feed.image,
+        };
+        this.processItems(items);
+      }
+    },
+    processItems(items) {
       const posts = [];
-      items.forEach((post) => {
+      let { length } = items;
+      if (this.limit) {
+        length = this.limit;
+      }
+      for (let i = 0; length > i; i += 1) {
         posts.push({
-          title: post.title,
-          description: post.description,
-          image: post.thumbnail,
-          author: post.author,
-          date: post.pubDate,
-          link: post.link,
+          title: items[i].title,
+          description: items[i].description,
+          image: items[i].thumbnail,
+          author: items[i].author,
+          date: items[i].pubDate,
+          link: items[i].link,
         });
-      });
+      }
       this.posts = posts;
     },
   },
diff --git a/yarn.lock b/yarn.lock
index 9b20e0a9..a716a8eb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4093,7 +4093,7 @@ enquirer@^2.3.5:
   dependencies:
     ansi-colors "^4.1.1"
 
-entities@^2.0.0:
+entities@^2.0.0, entities@^2.0.3:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/entities/-/entities-2.2.0.tgz#098dc90ebb83d8dffa089d55256b351d34c4da55"
   integrity sha512-p92if5Nz619I0w+akJrLZH0MX0Pb5DX39XOwQTtXSdQQOaYH03S1uIQp4mhOZtAXrxq4ViO67YTiLBo2638o9A==
@@ -8595,6 +8595,14 @@ router@~1.3.6:
     setprototypeof "1.2.0"
     utils-merge "1.0.1"
 
+rss-parser@3.13.0:
+  version "3.13.0"
+  resolved "https://registry.yarnpkg.com/rss-parser/-/rss-parser-3.13.0.tgz#f1f83b0a85166b8310ec531da6fbaa53ff0f50f0"
+  integrity sha512-7jWUBV5yGN3rqMMj7CZufl/291QAhvrrGpDNE4k/02ZchL0npisiYYqULF71jCEKoIiHvK/Q2e6IkDwPziT7+w==
+  dependencies:
+    entities "^2.0.3"
+    xml2js "^0.5.0"
+
 rsup-progress@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/rsup-progress/-/rsup-progress-3.0.0.tgz#e5eab5c1e75794cc288d567aa765b50faaf0cc89"
@@ -10562,6 +10570,19 @@ xml2js@0.4.19:
     sax ">=0.6.0"
     xmlbuilder "~9.0.1"
 
+xml2js@^0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/xml2js/-/xml2js-0.5.0.tgz#d9440631fbb2ed800203fad106f2724f62c493b7"
+  integrity sha512-drPFnkQJik/O+uPKpqSgr22mpuFHqKdbS835iAQrUC73L2F5WkboIRd63ai/2Yg6I1jzifPFKH2NTK+cfglkIA==
+  dependencies:
+    sax ">=0.6.0"
+    xmlbuilder "~11.0.0"
+
+xmlbuilder@~11.0.0:
+  version "11.0.1"
+  resolved "https://registry.yarnpkg.com/xmlbuilder/-/xmlbuilder-11.0.1.tgz#be9bae1c8a046e76b31127726347d0ad7002beb3"
+  integrity sha512-fDlsI/kFEx7gLvbecc0/ohLG50fugQp8ryHzMTuW9vSa1GJ0XYWKnhsUx7oie3G98+r56aTQIUB4kht42R3JvA==
+
 xmlbuilder@~9.0.1:
   version "9.0.7"
   resolved "https://registry.yarnpkg.com/xmlbuilder/-/xmlbuilder-9.0.7.tgz#132ee63d2ec5565c557e20f4c22df9aca686b10d"