From 013b2462b1e6503e73c9c38ddf92b4cf0acc238f Mon Sep 17 00:00:00 2001
From: Jose Lorenzo Rodriguez <jose.zap@gmail.com>
Date: Sat, 27 Apr 2013 14:53:58 +0200
Subject: [PATCH] Small refactoring and beginnings of a flyweight for table
 objects that will replace ClassRegistry

---
 lib/Cake/ORM/Table.php                   | 59 +++++++++++++++++++++---
 lib/Cake/Test/TestCase/ORM/TableTest.php | 30 ++++++++++--
 2 files changed, 80 insertions(+), 9 deletions(-)

diff --git a/lib/Cake/ORM/Table.php b/lib/Cake/ORM/Table.php
index 1cdd3ec674a..41dcc7d6658 100644
--- a/lib/Cake/ORM/Table.php
+++ b/lib/Cake/ORM/Table.php
@@ -18,7 +18,11 @@
 
 class Table {
 
-	protected $_name;
+	protected static $_instances = [];
+
+	protected static $_tablesMap = [];
+
+	protected $_table;
 
 	protected $_alias;
 
@@ -27,14 +31,14 @@ class Table {
 	protected $_schema;
 
 	public function __construct($config = array()) {
-		if (!empty($config['name'])) {
-			$this->_name = $config['name'];
+		if (!empty($config['table'])) {
+			$this->_table = $config['table'];
 		}
 
 		if (!empty($config['alias'])) {
 			$this->alias($config['alias']);
 		} else {
-			$this->alias($this->_name);
+			$this->alias($this->_table);
 		}
 
 		if (!empty($config['connection'])) {
@@ -45,6 +49,49 @@ public function __construct($config = array()) {
 		}
 	}
 
+	public static function build($alias, array $options = []) {
+		if (isset(static::$_instances[$alias])) {
+			return static::$_instances[$alias];
+		}
+		if (!empty($options['table']) && isset(static::$_tablesMap[$options['table']])) {
+			$options = array_merge(static::$_tablesMap[$options['table']], $options);
+		}
+
+		$options = ['alias' => $alias] + $options;
+		if (empty($options['className'])) {
+			$options['className'] = get_called_class();
+		}
+
+		return static::$_instances[$alias] = new $options['className']($options);
+	}
+
+	public static function map($alias = null, array $options = null) {
+		if ($alias === null) {
+			return static::$_tablesMap;
+		}
+		if (!is_string($alias)) {
+			static::$_tablesMap = $alias;
+			return;
+		}
+		if ($options === null) {
+			return isset(static::$_tablesMap[$alias]) ? static::$_tablesMap[$alias] : null;
+		}
+		static::$_tablesMap[$alias] = $options;
+	}
+
+	public function clearRegistry() {
+		static::$_instances = [];
+		static::$_tablesMap = [];
+	}
+
+	public function table($table = null) {
+		if ($table !== null) {
+			$this->_table = $table;
+		}
+		return $this->_table;
+	}
+
+
 	public function alias($alias = null) {
 		if ($alias !== null) {
 			$this->_alias = $alias;
@@ -62,7 +109,7 @@ public function connection($conn = null) {
 	public function schema($schema = null) {
 		if ($schema === null) {
 			if ($this->_schema === null) {
-				$this->_schema = $this->connection()->describe($this->_name);
+				$this->_schema = $this->connection()->describe($this->_table);
 			}
 			return $this->_schema;
 		}
@@ -86,7 +133,7 @@ protected function buildQuery() {
 		return $query
 			->repository($this)
 			->select()
-			->from([$this->_alias => $this->_name]);
+			->from([$this->_alias => $this->_table]);
 	}
 
 }
diff --git a/lib/Cake/Test/TestCase/ORM/TableTest.php b/lib/Cake/Test/TestCase/ORM/TableTest.php
index 746758260d3..fcf58520b84 100644
--- a/lib/Cake/Test/TestCase/ORM/TableTest.php
+++ b/lib/Cake/Test/TestCase/ORM/TableTest.php
@@ -91,9 +91,32 @@ protected function _createDatesTable() {
 		return $result;
 	}
 
+/**
+ * Tests that table options can be pre-configured for the factory method
+ *
+ * @return void
+ */
+	public function testMapAndBuild() {
+		$map = Table::map();
+		$this->assertEquals([], $map);
+
+		$options = ['connection' => $this->connection];
+		Table::map('things', $options);
+		$map = Table::map();
+		$this->assertEquals(['things' => $options], $map);
+		$this->assertEquals($options, Table::map('things'));
+
+		$options += ['schema' => ['id' => ['rubbish']]];
+
+		$table = Table::build('foo', ['table' => 'things']);
+		$this->assertInstanceOf('Cake\ORM\Table', $table);
+		$this->assertEquals('things', $table->table());
+		$this->assertEquals('foo', $table->alias());
+	}
+
 	public function testFindAllNoFields() {
 		$this->_createThingsTable();
-		$table = new Table(['name' => 'things', 'connection' => $this->connection]);
+		$table = new Table(['table' => 'things', 'connection' => $this->connection]);
 		$results = $table->find('all')->toArray();
 		$expected = [
 			['things' => ['id' => 1, 'title' => 'a title', 'body' => 'a body']],
@@ -104,7 +127,7 @@ public function testFindAllNoFields() {
 
 	public function testFindAllSomeFields() {
 		$this->_createThingsTable();
-		$table = new Table(['name' => 'things', 'connection' => $this->connection]);
+		$table = new Table(['table' => 'things', 'connection' => $this->connection]);
 		$results = $table->find('all')->select(['id', 'title'])->toArray();
 		$expected = [
 			['things' => ['id' => 1, 'title' => 'a title']],
@@ -122,7 +145,7 @@ public function testFindAllSomeFields() {
 
 	public function testFindAllConditionAutoTypes() {
 		$this->_createDatesTable();
-		$table = new Table(['name' => 'dates', 'connection' => $this->connection]);
+		$table = new Table(['table' => 'dates', 'connection' => $this->connection]);
 		$query = $table->find('all')
 			->select(['id', 'name'])
 			->where(['posted >=' => new \DateTime('2012-12-22 12:01')]);
@@ -138,4 +161,5 @@ public function testFindAllConditionAutoTypes() {
 		];
 		$this->assertSame($expected, $query->toArray());
 	}
+
 }