- Allow authors to have the same name publishpress#682

Author: ojopaul

src/assets/js/multiple-authors.js

@@ -618,6 +618,41 @@ jQuery(document).ready(function ($) {
 
     });
 
+    //change submit button to enable slug generation on custom button click
+    if ($('body.taxonomy-author form#addtag #submit').length > 0) {
+        $('body.taxonomy-author form#addtag #submit').hide();
+        $('body.taxonomy-author form#addtag #submit').after('<input type="button" id="author-submit" class="button button-primary" value="' + $('body.taxonomy-author form#addtag #submit').val() + '">');
+    }
+
+    //generate author slug when adding author.
+    $(document).on('click', 'body.taxonomy-author form#addtag #author-submit', function (event) {
+
+        var $authorName = $('input[name="tag-name"]').val();
+        var $form = $(this).closest('form#addtag');
+
+        event.preventDefault();
+
+        //prepare ajax data
+        var data = {
+            action: "handle_author_slug_generation",
+            author_name: $authorName,
+            nonce: MultipleAuthorsStrings.generate_author_slug_nonce,
+        };
+
+        $form.find('.spinner').addClass('is-active');
+
+        $.post(ajaxurl, data, function (response) {
+            $form.find('.spinner').removeClass('is-active');
+            if (response.author_slug) {
+                $('input[name="slug"]').val(response.author_slug);
+                $('body.taxonomy-author form#addtag #submit').trigger('click');
+            } else {
+                $('body.taxonomy-author form#addtag #submit').trigger('click');
+            }
+        });
+
+    });
+
     /**
      * Settings shortcode copy to clipboard
      */

src/core/Classes/Admin_Ajax.php

@@ -316,4 +316,44 @@ public static function handle_mapped_author_validation()
         wp_send_json($response);
         exit;
     }
+
+    /**
+     * Handle a request to generate author slug.
+     */
+    public static function handle_author_slug_generation()
+    {
+
+        $response['status']  = 'success';
+        $response['content'] = esc_html__('Request status.', 'publishpress-authors');
+
+        //do not process request if nonce validation failed
+        if (empty($_POST['nonce']) 
+            || !wp_verify_nonce(sanitize_key($_POST['nonce']), 'generate_author_slug_nonce')
+        ) {
+            $response['status']  = 'error';
+            $response['content'] = esc_html__(
+                'Security error. Kindly reload this page and try again', 
+                'publishpress-authors'
+            );
+        } elseif (empty($_POST['author_name'])) {
+            $response['status']  = 'error';
+            $response['content'] = esc_html__('Author name is required', 'publishpress-authors');
+        } else {
+            $author_slug        = !empty($_POST['author_name']) ? sanitize_title($_POST['author_name']) : '';
+            $generated_slug     =  $author_slug;
+            $generated_slug_n   = '';
+            while (get_term_by('slug', $generated_slug .'-' . $generated_slug_n, 'author')) {
+                if ($generated_slug_n == '') { 
+                    $generated_slug_n = 1; 
+                } else {
+                    $generated_slug_n++;
+                }
+            }
+            $new_slug                = $generated_slug .'-' . $generated_slug_n;
+            $response['author_slug'] = $new_slug;
+        }
+
+        wp_send_json($response);
+        exit;
+    }
 }

src/core/Plugin.php

@@ -270,6 +270,10 @@ public function __construct()
                 'wp_ajax_mapped_author_validation',
                 ['MultipleAuthors\\Classes\\Admin_Ajax', 'handle_mapped_author_validation']
             );
+            add_action(
+                'wp_ajax_handle_author_slug_generation',
+                ['MultipleAuthors\\Classes\\Admin_Ajax', 'handle_author_slug_generation']
+            );
 
             add_filter('admin_footer_text', [$this, 'update_footer_admin']);
         }
@@ -1456,6 +1460,7 @@ public function enqueue_scripts($hook_suffix)
                 'publishpress-authors'
             ),
             'mapped_author_nonce'           => wp_create_nonce("mapped_author_nonce"),
+            'generate_author_slug_nonce'    => wp_create_nonce("generate_author_slug_nonce"),
             'term_author_link'              => esc_url_raw($term_author_link),
             'view_text'                     => esc_html__('View', 'publishpress-authors'),
         ];