Implementing an option builder for save options.

This will check associations and validation and throw exceptions if something is not set up right. This helps to prevent typos in the options and gives clear error messages for the developer.

src/ORM/SaveOptionsBuilder.php

@@ -0,0 +1,247 @@
+<?php
+/**
+ * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
+ * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
+ *
+ * Licensed under The MIT License
+ * For full copyright and license information, please see the LICENSE.txt
+ * Redistributions of files must retain the above copyright notice.
+ *
+ * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
+ * @link          http://cakephp.org CakePHP(tm) Project
+ * @since         3.3.0
+ * @license       http://www.opensource.org/licenses/mit-license.php MIT License
+ */
+namespace Cake\ORM;
+
+use ArrayAccess;
+use ArrayObject;
+use RuntimeException;
+use Cake\ORM\AssociationsNormalizerTrait;
+
+/**
+ * OOP style Save Option Builder.
+ *
+ * This allows you to build options to save entities in a OOP style and helps
+ * you to avoid mistakes by validating the options as you build them.
+ *
+ * @see \Cake\Datasource\RulesChecker
+ */
+class SaveOptionsBuilder extends ArrayObject implements ArrayAccess
+{
+
+    use AssociationsNormalizerTrait;
+
+    /**
+     * Options
+     *
+     * @var array
+     */
+    protected $_options = [];
+
+    /**
+     * Table object.
+     *
+     * @var \Cake\ORM\Table;
+     */
+    protected $_table;
+
+    /**
+     * Constructor.
+     *
+     * @param \Cake\ORM\Table $table A table instance.
+     */
+    public function __construct(Table $table, array $options = [])
+    {
+        $this->_table = $table;
+        $this->parseArray($options);
+    }
+
+    /**
+     * Takes an options array and populates the option object with the data.
+     *
+     * @param array $array Options array
+     * @return \Cake\ORM\SaveOptionsBuilder
+     */
+    public function parseArray($array)
+    {
+        foreach ($array as $key => $value) {
+            if (method_exists($this, $key)) {
+                $this->{$key}($value);
+            }
+        }
+        return $this;
+    }
+
+    /**
+     * Set associated options.
+     *
+     * @param string|array $associated String or array of associations.
+     * @return \Cake\ORM\SaveOptionsBuilder
+     */
+    public function associated($associated)
+    {
+        $associated = $this->_normalizeAssociations($associated);
+        $this->_associated($this->_table, $associated);
+        $this->_options['associated'] = $associated;
+
+        return $this;
+    }
+
+    protected function _associated(Table $table, $associations)
+    {
+        foreach ($associations as $key => $associated) {
+            if (is_int($key)) {
+                $this->_checkAssociation($table, $associated);
+                continue;
+            }
+            $this->_checkAssociation($table, $key);
+            if (isset($associated['associated'])) {
+                $this->_associated($table->association($key)->target(), $associated['associated']);
+                continue;
+            }
+        }
+    }
+
+    protected function _checkAssociation(Table $table, $association)
+    {
+        if (!$table->associations()->has($association)) {
+            throw new RuntimeException(sprintf('Table `%s` is not associated with `%s`', get_class($table), $association));
+        }
+    }
+
+    /**
+     * Set the guard option.
+     *
+     * @param bool $guard Guard the properties or not.
+     * @return \Cake\ORM\SaveOptionsBuilder
+     */
+    public function guard($guard)
+    {
+        $this->_options['guard'] = (bool)$guard;
+        return $this;
+    }
+
+    /**
+     * Set the validation rule set to use.
+     *
+     * @param string $validate Name of the validation rule set to use.
+     * @return \Cake\ORM\SaveOptionsBuilder
+     */
+    public function validate($validate)
+    {
+        $this->_table->validator($validate);
+        $this->_options['validate'] = $validate;
+        return $this;
+    }
+
+    /**
+     * Set check existing option.
+     *
+     * @param bool $checkExisting Guard the properties or not.
+     * @return \Cake\ORM\SaveOptionsBuilder
+     */
+    public function checkExisting($checkExisting)
+    {
+        $this->_options['checkExisting'] = (bool)$checkExisting;
+        return $this;
+    }
+
+    /**
+     * Option to check the rules.
+     *
+     * @param bool $checkRules Check the rules or not.
+     * @return \Cake\ORM\SaveOptionsBuilder
+     */
+    public function checkRules($checkRules)
+    {
+        $this->_options['checkRules'] = (bool)$checkRules;
+        return $this;
+    }
+
+    /**
+     * Sets the atomic option.
+     *
+     * @param bool $atomic Atomic or not.
+     * @return \Cake\ORM\SaveOptionsBuilder
+     */
+    public function atomic($atomic)
+    {
+        $this->_options['atomic'] = (bool)$atomic;
+        return $this;
+    }
+
+    /**
+     * @return array
+     */
+    public function toArray()
+    {
+        return $this->_options;
+    }
+
+    /**
+     * Whether a offset exists
+     *
+     * @link http://php.net/manual/en/arrayaccess.offsetexists.php
+     * @param mixed $offset <p>
+     * An offset to check for.
+     * </p>
+     * @return boolean true on success or false on failure.
+     * </p>
+     * <p>
+     * The return value will be casted to boolean if non-boolean was returned.
+     * @since 5.0.0
+     */
+    public function offsetExists($offset)
+    {
+        return isset($this->_options[$offset]);
+    }
+
+    /**
+     * Offset to retrieve
+     *
+     * @link http://php.net/manual/en/arrayaccess.offsetget.php
+     * @param mixed $offset <p>
+     * The offset to retrieve.
+     * </p>
+     * @return mixed Can return all value types.
+     * @since 5.0.0
+     */
+    public function offsetGet($offset)
+    {
+        return $this->_options[$offset];
+    }
+
+    /**
+     * Offset to set
+     *
+     * @link http://php.net/manual/en/arrayaccess.offsetset.php
+     * @param mixed $offset <p>
+     * The offset to assign the value to.
+     * </p>
+     * @param mixed $value <p>
+     * The value to set.
+     * </p>
+     * @return void
+     * @since 5.0.0
+     */
+    public function offsetSet($offset, $value)
+    {
+        $this->{$offset}($value);
+    }
+
+    /**
+     * Offset to unset
+     *
+     * @link http://php.net/manual/en/arrayaccess.offsetunset.php
+     * @param mixed $offset <p>
+     * The offset to unset.
+     * </p>
+     * @return void
+     * @since 5.0.0
+     */
+    public function offsetUnset($offset)
+    {
+        unset($this->_options[$offset]);
+    }
+}