Move dynamic segments from Premium plugin

[MAILPOET-2382]

lib/DynamicSegments/Persistence/Saver.php

@@ -0,0 +1,77 @@
+<?php
+
+namespace MailPoet\Premium\DynamicSegments\Persistence;
+
+use MailPoet\Models\Model;
+use MailPoet\Premium\DynamicSegments\Exceptions\ErrorSavingException;
+use MailPoet\Premium\DynamicSegments\Filters\Filter;
+use MailPoet\Premium\Models\DynamicSegment;
+use MailPoet\Premium\Models\DynamicSegmentFilter;
+
+class Saver {
+
+  /**
+   * @param DynamicSegment $segment
+   *
+   * @return integer
+   * @throws ErrorSavingException
+   */
+  function save(DynamicSegment $segment) {
+    $db = \ORM::get_db();
+    $db->beginTransaction();
+
+    $data_segment = $this->saveSegment($db, $segment);
+    $this->saveFilters($db, $segment, $data_segment->id());
+    $db->commit();
+    return $data_segment->id();
+  }
+
+  /**
+   * @throws ErrorSavingException
+   */
+  private function saveSegment(\PDO $db, DynamicSegment $segment) {
+    $segment->save();
+    $this->checkErrors($db, $segment);
+    return $segment;
+  }
+
+  /**
+   * @throws ErrorSavingException
+   */
+  private function checkErrors(\PDO $db, Model $model) {
+    $errors = $model->getErrors();
+    if ($errors) {
+      $code = null;
+      if (array_key_exists(Model::DUPLICATE_RECORD, $errors)) {
+        $code = Model::DUPLICATE_RECORD;
+      }
+      $db->rollBack();
+      throw new ErrorSavingException(join(", ", $model->getErrors()), $code);
+    }
+  }
+
+  /**
+   * @throws ErrorSavingException
+   */
+  private function saveFilters(\PDO $db, DynamicSegment $segment, $saved_data_id) {
+    $this->deleteFilters($segment);
+    foreach ($segment->getFilters() as $filter) {
+      $data_filter = $this->saveFilter($filter, $saved_data_id);
+      $this->checkErrors($db, $data_filter);
+    }
+  }
+
+  private function deleteFilters(DynamicSegment $segment) {
+    DynamicSegmentFilter::deleteAllBySegmentIds([$segment->id]);
+  }
+
+  private function saveFilter(Filter $filter, $data_segment_id) {
+    $data_filter = DynamicSegmentFilter::create();
+    if ($data_filter instanceof DynamicSegmentFilter) {
+      $data_filter->segment_id = $data_segment_id;
+      $data_filter->filter_data = $filter->toArray();
+      $data_filter->save();
+    }
+    return $data_filter;
+  }
+}