Refactoring. Add SqlResultProvider. Add TODO in SqlDbDriver.whereExpr().

2013-09-19 10:05:00 +04:00
parent 2cb56ad228
commit ab01d0a41f
4 changed files with 140 additions and 204 deletions
--- a/model/SqlResultProvider.php
+++ b/model/SqlResultProvider.php
@ -0,0 +1,73 @@
+<?php
+
+class SqlResultProvider
+{
+    /**
+     * @var array
+     */
+    private $result_items;
+
+    private $result_items_base;
+
+    /**
+     * @param $result_items array
+     */
+    public function __construct($result_items)
+    {
+        $this->result_items = $result_items;
+    }
+
+    public function assoc($field, $assoc_as_array = false, $field_assoc_in_array = null)
+    {
+        if (is_null($this->result_items_base)) {
+            $this->result_items_base = $this->result_items;
+        }
+        $result_items_assoc = array();
+        foreach ($this->result_items_base as $item) {
+            if (!isset($item->{$field})) {
+                throw new ErrorException('Undefined field. ' . $field);
+            }
+            if ($assoc_as_array) {
+                if (!isset($result_items_assoc[$item->{$field}])) {
+                    $result_items_assoc[$item->{$field}] = array();
+                }
+                $result_items_assoc[$item->{$field}][] = $item;
+            } else {
+                if (isset($result_items_assoc[$item->{$field}])) {
+                    throw new ErrorException('Field not unique. May be use assoc_as_array. ' . $field);
+                }
+                $result_items_assoc[$item->{$field}] = $item;
+            }
+        }
+        // Ассоциирование внутри каждого элемента массива
+        // $field_assoc_in_array - ассоциирование произовдится по этому полю (вернет ошибку, если этого поля нет в результатх выборки)
+        if ($assoc_as_array && $field_assoc_in_array) {
+            foreach ($result_items_assoc as &$value) {
+                $sql_result_provider = new SqlResultProvider($value);
+                $value = $sql_result_provider->assoc($field_assoc_in_array)->fetchAll();
+            }
+        }
+        $this->result_items = $result_items_assoc;
+        return $this;
+    }
+
+    public function getKeys()
+    {
+        return array_keys($this->result_items);
+    }
+
+    public function fetchAll()
+    {
+        return $this->result_items;
+    }
+
+    public function fetchKey($key)
+    {
+        return $this->result_items[$key];
+    }
+
+    public function fetch()
+    {
+        return current($this->result_items);
+    }
+}