first commit

lib/pkp/classes/section/DAO.php

@@ -0,0 +1,104 @@
+<?php
+
+/**
+ * @file classes/section/DAO.php
+ *
+ * Copyright (c) 2014-2023 Simon Fraser University
+ * Copyright (c) 2003-2023 John Willinsky
+ * Distributed under the GNU GPL v3. For full terms see the file docs/COPYING.
+ *
+ * @class DAO
+ *
+ * @ingroup section
+ *
+ * @see Section
+ *
+ * @brief Operations for retrieving and modifying Section objects.
+ */
+
+namespace PKP\section;
+
+use APP\section\Section;
+use Illuminate\Support\Collection;
+use Illuminate\Support\Facades\App;
+use Illuminate\Support\LazyCollection;
+use PKP\core\EntityDAO;
+use PKP\core\traits\EntityWithParent;
+
+/**
+ * @template T of Section
+ * @extends EntityDAO<T>
+ */
+abstract class DAO extends EntityDAO
+{
+    use EntityWithParent;
+
+    /**
+     * Get the parent object ID column name
+     */
+    abstract public function getParentColumn(): string;
+
+    /**
+     * Instantiate a new DataObject
+     */
+    public function newDataObject(): Section
+    {
+        return App::make(Section::class);
+    }
+
+    /**
+     * Get the number of sections matching the configured query
+     */
+    public function getCount(Collector $query): int
+    {
+        return $query
+            ->getQueryBuilder()
+            ->select($this->primaryKeyColumn)
+            ->count();
+    }
+
+    /**
+     * Get a list of sections ids matching the configured query
+     *
+     * @return Collection<int,int>
+     */
+    public function getIds(Collector $query): Collection
+    {
+        return $query
+            ->getQueryBuilder()
+            ->select($this->primaryKeyColumn)
+            ->pluck($this->primaryKeyColumn);
+    }
+
+    /**
+     * Get a collection of sections matching the configured query
+     * @return LazyCollection<int,T>
+     */
+    public function getMany(Collector $query): LazyCollection
+    {
+        $rows = $query
+            ->getQueryBuilder()
+            ->get();
+
+        return LazyCollection::make(function () use ($rows) {
+            foreach ($rows as $row) {
+                yield $row->{$this->primaryKeyColumn} => $this->fromRow($row);
+            }
+        });
+    }
+
+    public function insert(Section $section): int
+    {
+        return parent::_insert($section);
+    }
+
+    public function update(Section $section)
+    {
+        parent::_update($section);
+    }
+
+    public function delete(Section $section)
+    {
+        parent::_delete($section);
+    }
+}