#274 Admin Global Search: Search categories

Author: FredericMartinez

app/code/Magento/CatalogSearch/Model/Search/Category.php

@@ -0,0 +1,121 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento\CatalogSearch\Model\Search;
+/**
+ * Search model for backend search
+ *
+ * @method Category setQuery(string $query)
+ * @method string|null getQuery()
+ * @method bool hasQuery()
+ * @method Category setStart(int $startPosition)
+ * @method int|null getStart()
+ * @method bool hasStart()
+ * @method Category setLimit(int $limit)
+ * @method int|null getLimit()
+ * @method bool hasLimit()
+ * @method Category setResults(array $results)
+ * @method array getResults()
+ * @api
+ */
+class Category extends \Magento\Framework\DataObject
+{
+    /**
+     * Adminhtml data
+     *
+     * @var \Magento\Backend\Helper\Data
+     */
+    protected $_adminhtmlData = null;
+
+    /**
+     * @var \Magento\Catalog\Api\CategoryListInterface
+     */
+    protected $categoryRepository;
+
+    /**
+     * @var \Magento\Framework\Api\SearchCriteriaBuilder
+     */
+    protected $searchCriteriaBuilder;
+
+    /**
+     * @var \Magento\Framework\Api\FilterBuilder
+     */
+    protected $filterBuilder;
+
+    /**
+     * Magento string lib
+     *
+     * @var \Magento\Framework\Stdlib\StringUtils
+     */
+    protected $string;
+
+    /**
+     * Initialize dependencies.
+     *
+     * @param \Magento\Backend\Helper\Data $adminhtmlData
+     * @param \Magento\Catalog\Api\CategoryListInterface $categoryRepository
+     * @param \Magento\Framework\Api\SearchCriteriaBuilder $searchCriteriaBuilder
+     * @param \Magento\Framework\Api\FilterBuilder $filterBuilder
+     * @param \Magento\Framework\Stdlib\StringUtils $string
+     */
+    public function __construct(
+        \Magento\Backend\Helper\Data $adminhtmlData,
+        \Magento\Catalog\Api\CategoryListInterface $categoryRepository,
+        \Magento\Framework\Api\SearchCriteriaBuilder $searchCriteriaBuilder,
+        \Magento\Framework\Api\FilterBuilder $filterBuilder,
+        \Magento\Framework\Stdlib\StringUtils $string
+    )
+    {
+        $this->_adminhtmlData = $adminhtmlData;
+        $this->categoryRepository = $categoryRepository;
+        $this->searchCriteriaBuilder = $searchCriteriaBuilder;
+        $this->filterBuilder = $filterBuilder;
+        $this->string = $string;
+    }
+
+    /**
+     * Load search results
+     *
+     * @return $this
+     */
+    public function load()
+    {
+        $result = [];
+        if (!$this->hasStart() || !$this->hasLimit() || !$this->hasQuery()) {
+            $this->setResults($result);
+            return $this;
+        }
+
+        $this->searchCriteriaBuilder->setCurrentPage($this->getStart());
+        $this->searchCriteriaBuilder->setPageSize($this->getLimit());
+        $searchFields = ['name'];
+
+        $filters = [];
+        foreach ($searchFields as $field) {
+            $filters[] = $this->filterBuilder
+                ->setField($field)
+                ->setConditionType('like')
+                ->setValue('%' . $this->getQuery() . '%')
+                ->create();
+        }
+        $this->searchCriteriaBuilder->addFilters($filters);
+
+        $searchCriteria = $this->searchCriteriaBuilder->create();
+        $searchResults = $this->categoryRepository->getList($searchCriteria);
+
+        foreach ($searchResults->getItems() as $category) {
+            $description = strip_tags($category->getDescription());
+            $result[] = [
+                'id' => 'category/1/' . $category->getId(),
+                'type' => __('Category'),
+                'name' => $category->getName(),
+                'description' => $this->string->substr($description, 0, 30),
+                'url' => $this->_adminhtmlData->getUrl('catalog/category/edit', ['id' => $category->getId()]),
+            ];
+        }
+        $this->setResults($result);
+        return $this;
+    }
+}

app/code/Magento/CatalogSearch/etc/di.xml

@@ -66,6 +66,10 @@
                     <item name="class" xsi:type="string">Magento\CatalogSearch\Model\Search\Catalog</item>
                     <item name="acl" xsi:type="string">Magento_Catalog::catalog</item>
                 </item>
+                <item name="categories" xsi:type="array">
+                    <item name="class" xsi:type="string">Magento\CatalogSearch\Model\Search\Category</item>
+                    <item name="acl" xsi:type="string">Magento_Catalog::categories</item>
+                </item>
             </argument>
         </arguments>
     </type>