LiFE data structure should be updated on setup:upgrade (#245)

* LiFE data structure should be updated on setup:upgrade

* Apply suggestions from code review

Co-authored-by: Victor Petryk <166521057+victor-petryk@users.noreply.github.com>

* Apply suggestions from code review

Co-authored-by: Victor Petryk <166521057+victor-petryk@users.noreply.github.com>

---------

Co-authored-by: Pavel Bystritsky <p.bystritskyi@gmail.com>
Co-authored-by: Victor Petryk <166521057+victor-petryk@users.noreply.github.com>

Setup/Patch/Data/AddLifeElementsValidationValuePatch.php

@@ -0,0 +1,139 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Bold\Checkout\Setup\Patch\Data;
+
+use Magento\Framework\Serialize\Serializer\Json;
+use Magento\Framework\Setup\ModuleDataSetupInterface;
+use Magento\Framework\Setup\Patch\DataPatchInterface;
+
+/**
+ * Perform Life elements upgrade.
+ */
+class AddLifeElementsValidationValuePatch implements DataPatchInterface
+{
+    private const PATH_LIFE_ELEMENTS = 'checkout/bold_checkout_life_elements/life_elements';
+
+    /**
+     * @var ModuleDataSetupInterface
+     */
+    private $moduleDataSetup;
+
+    /**
+     * @var Json
+     */
+    private $serializer;
+
+    /**
+     * @param ModuleDataSetupInterface $moduleDataSetup
+     * @param Json $serializer
+     */
+    public function __construct(
+        ModuleDataSetupInterface $moduleDataSetup,
+        Json                     $serializer
+    ) {
+        $this->moduleDataSetup = $moduleDataSetup;
+        $this->serializer = $serializer;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public static function getDependencies()
+    {
+        return [];
+    }
+
+    /**
+     * Perform Life elements upgrade.
+     *
+     * @return void
+     */
+    public function apply(): void
+    {
+        $this->moduleDataSetup->startSetup();
+
+        $existingLifeElements = $this->getLifeElements();
+        $updatedLifeElements = $this->updateLifeElements($existingLifeElements);
+        $this->saveLifeElements($updatedLifeElements);
+
+        $this->moduleDataSetup->endSetup();
+    }
+
+    /**
+     * Get existing Life elements from database.
+     *
+     * @return array
+     */
+    private function getLifeElements(): array
+    {
+        $connection = $this->moduleDataSetup->getConnection();
+        $table = $connection->getTableName('core_config_data');
+        $select = $connection->select()->from(
+            $table,
+            [
+                'scope',
+                'scope_id',
+                'path',
+                'value',
+            ]
+        )->where(
+            'path = ?',
+            self::PATH_LIFE_ELEMENTS
+        );
+
+        return $connection->fetchAll($select);
+    }
+
+    /**
+     * Save updated Life elements to database.
+     *
+     * @param array $lifeElements
+     * @return void
+     */
+    private function saveLifeElements(array $lifeElements): void
+    {
+        $connection = $this->moduleDataSetup->getConnection();
+        $table = $connection->getTableName('core_config_data');
+        $connection->insertOnDuplicate(
+            $table,
+            $lifeElements
+        );
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function getAliases()
+    {
+        return [];
+    }
+
+    /**
+     * Add to each element a 'input_regex' if it is absent.
+     *
+     * @param array $allLifeElements
+     * @return array
+     */
+    private function updateLifeElements(array $allLifeElements): array
+    {
+        $result = [];
+        foreach ($allLifeElements as $scopedLifeElement) {
+            $updated = false;
+            $lifeElements = $this->serializer->unserialize($scopedLifeElement['value']);
+            foreach ($lifeElements as &$lifeElement) {
+                if (!isset($lifeElement['input_regex'])) {
+                    $lifeElement['input_regex'] = '';
+                    $updated = true;
+                }
+            }
+            if ($updated) {
+                $scopedLifeElement['value'] = $this->serializer->serialize($lifeElements);
+                $result[] = $scopedLifeElement;
+            }
+        }
+
+        return $result;
+    }
+}