How to add category short description

[zimmer-media]

If you want a category short description above product list and category long description under product list.
Example:

step 1 - database
add to "prefix_category_lang"
cat_short_description - varchar(180) - utf8mb4_unicode_ci - yes - NULL

after

step 2.1
modify the file “Category.php” from “/classes/Category.php”, preferably in the folder classes Override “/override/classes/Category.php” save
find the line

    /** @var string Description */
    public $description;

add this
/** @var string Short Description */
public $cat_short_description;

step 2.2
find the line

            'description'      => ['type' => self::TYPE_HTML, 'lang' => true, 'validate' => 'isCleanHtml'],

add this

            'cat_short_description'      => ['type' => self::TYPE_HTML, 'lang' => true, 'validate' => 'isCleanHtml'],

step 3
change or copy your AdminCategoriesController.php from controllers / admin / to under override / controllers / admin / AdminCategoriesController.php
for example and find the code (depending on where this additional field should appear.)

find the lines

                    'type'  => 'categories',
                    'label' => $this->l('Parent category'),
                    'name'  => 'id_parent',
                    'tree'  => [
                        'id'                  => 'categories-tree',
                        'selected_categories' => $selectedCategories,
                        'disabled_categories' => (!Tools::isSubmit('add'.$this->table) && !Tools::isSubmit('submitAdd'.$this->table)) ? [$this->_category->id] : null,
                        'root_category'       => $context->shop->getCategory(),
                    ],
                ],

an add

                [
                    'type'         => 'textarea',
                    'label'        => $this->l('Short Description'),
                    'name'         => 'cat_short_description',
                    'autoload_rte' => true,
                    'lang'         => true,
                    'hint'         => $this->l('Invalid characters:').' <>;=#{}',
                ],

step 4
if you want to see this field in your frontoffice categorys view - in your theme category.tpl
add and change codes

add this under your <h1> tag

<div id="category_description_full">{$category->cat_short_description}</div>

at last move or change the full description under the pagination
eg

                        {if ($description)}
<div id="category_description_full">{$category->description}</div>
   		        {/if}