added reverse order based sorting

Author: kakkoyun

README.md

@@ -58,6 +58,7 @@ This workflow has additional options that you can use to customize it for your u
 | `comment_tag_name`        | `BLOG-POST-LIST`                                                       | Allows you to override the default comment tag name (`<!-- BLOG-POST-LIST:START --><!-- BLOG-POST-LIST:END -->`), if you want to show multiple instances of the action on the same repo, see advanced usage for more info                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | No       |
 | `disable_sort`            | `false`                                                                | Disables the sorting of the list based on publish date                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | No       |
 | `sort_order`              | `desc`                                                                 | Specifies the sort order of posts when date sorting is enabled (`disable_sort` is `false`). Supports `asc` (ascending, oldest first) and `desc` (descending, newest first). Has no effect if `disable_sort` is `true`. Works even without `pubDate` in RSS feeds (items without dates are placed at the end).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            | No       |
+| `reverse_order`           | `false`                                                                | Reverses the order of posts when `disable_sort` is set to `true`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         | No       |
 | `feed_names`              | `""`                                                                   | Comma-separated list of RSS feed names, this is intended to be used with `template` option. eg: `Blog,Dev.to`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            | No       |
 | `template`                | `default`                                                              | Allows you to change the structure of the posts list by using different variables. By default this workflow uses markdown list format to render the posts, you can override this behavior using this option. Eg: `[$title]($url) ` will give you a space-separated list of posts.<br/><br/>**Supported variables** <ul><li>`$title`: Title of the post</li><li>`$url`: URL of the post</li><li>`$description`: Description of the post</li><li>`$newline`: Inserts a newline</li><li>`$date`: Inserts the post date based on the `date_format` specified</li><li>`$randomEmoji`: Allow you to use random emojis in the post, pass emojis as the parameter to chose one of it randomly in each post item. Eg: `$randomEmoji(💯,🔥,💫,🚀,🌮)`. See the [issue comment](https://github.com/gautamkrishnar/blog-post-workflow/issues/29#issuecomment-699622596) for more details</li><li>`$emojiKey`: You can use this argument to show emojis on each of your post item sequentially in the order you specify. Example: `$emojiKey(💯,🔥,💫)`. See the [issue comment](https://github.com/gautamkrishnar/blog-post-workflow/issues/29#issuecomment-699622596) for more details</li><li>`$counter`: You can use this argument to show a serial number on each of your post items.</li><li>`$feedName`: You can use this argument to show a string that represents your website name, use feed_names argument to specify it for each feed item. Eg: `feed_list: "https://dev.to/feed/gautamkrishnar,https://www.gautamkrishnar.com/feed/"`, `feed_names: "Dev.to,Personal Website"`</li><li>`$categories`: You can use this to show a comma separated list of post categories if available. See [this issue](https://git.io/JXeUG) for more details</li></ul> | No       |
 | `categories_template`     | `default`                                                              | By default `$categories` variable in the template is a comma separated string of categories. This option will allow you override it and customize the category item according to your use case. Following are the variables available: <ul><li>`$category`: Represents individual category item</li></ul> eg: `<code>$category</code> ` will show category list as `category1` `category2` `category3` etc                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | No       |

action.yml

@@ -27,6 +27,10 @@ inputs:
     description: "Specifies the sort order of posts when date sorting is enabled (disable_sort is 'false'). Supports 'asc' (ascending, oldest first) and 'desc' (descending, newest first). Has no effect if disable_sort is 'true'."
     default: "desc"
     required: false
+  reverse_order:
+    description: "Reverses the order of posts when `disable_sort` is set to true"
+    default: "false"
+    required: false
   filter_comments:
     description: "Comma separated list of platforms you want to enable the comment filter"
     default: "stackoverflow/Comment by $author/,stackexchange/Comment by $author/"

src/blog-post-workflow.js

@@ -37,6 +37,9 @@ const ENABLE_SORT = core.getInput('disable_sort') === 'false';
 // Specifies sort order
 const SORT_ORDER = core.getInput('sort_order'); // 'asc' or 'desc
 
+// Specifies sort order
+const REVERSE_ORDER = core.getInput('reverse_order') !== 'false';
+
 // Disables validation checks
 const ENABLE_VALIDATION = core.getInput('disable_item_validation') === 'false';
 
@@ -293,7 +296,10 @@ const runWorkflow = async () => {
         }
       });
     }
-    // If ENABLE_SORT is false (i.e., disable_sort is true), postsArray remains in fetched order.
+    // If ENABLE_SORT is false
+    else if (REVERSE_ORDER) {
+      postsArray.reverse();
+    }
 
     // Slicing with the max count
     postsArray = postsArray.slice(0, TOTAL_POST_COUNT);

test/disable-sort-reverse.js

@@ -0,0 +1,15 @@
+const {DEFAULT_TEST_ENV} = require('./testUtils/default-env');
+const {runAndCompareSnap} = require('./testUtils/testUtils');
+
+describe('Disabled sort with desc order (disable_sort: true, sort_order: desc)', function () {
+  it('should reverse feed order and be equal to the saved snapshot', async function () {
+    const envObj = {
+      ...process.env,
+      ...DEFAULT_TEST_ENV,
+      INPUT_DISABLE_SORT: 'true',
+      INPUT_REVERSE_ORDER: 'true',
+      INPUT_MAX_POST_COUNT: '3'
+    };
+    await runAndCompareSnap('Readme.disable-sort-reverse-order.md', envObj);
+  });
+});

test/snapshots/Readme.disable-sort-reverse-order.md.snap

@@ -0,0 +1,10 @@
+# Readme test
+Post list example:
+<!-- BLOG-POST-LIST:START -->
+- [An Introduction to NumPy](https://dev.to/gautamkrishnar/an-introduction-to-numpy)
+- [Skipping the Chrome &quot;Your connection is not private&quot; warning](https://dev.to/gautamkrishnar/quickbits-1-skipping-the-chrome-your-connection-is-not-private-warning-4kp1)
+- [DuckDuckGo – The search engine redefined](https://dev.to/gautamkrishnar/duckduckgo-the-search-engine-redefined-4c7d)
+<!-- BLOG-POST-LIST:END -->
+
+# Other contents
+Test content

test/testUtils/default-env.js

@@ -26,7 +26,8 @@ const DEFAULT_TEST_ENV = {
   INPUT_FILTER_DATES: '',
   INPUT_RAND_SEED: '',
   INPUT_REMOVE_DUPLICATES: 'false',
-  INPUT_SKIP_COMMIT: 'false'
+  INPUT_SKIP_COMMIT: 'false',
+  INPUT_REVERSE_ORDER: 'false',
 };