Methods to filters

Author: wilcorrea

src/SQL/Filters.php

@@ -0,0 +1,89 @@
+<?php
+
+namespace Simples\Persistence\SQL;
+
+/**
+ * Trait Filters
+ * @package Simples\Persistence\SQL
+ */
+trait Filters
+{
+    /**
+     * @param string $name
+     * @return string
+     */
+    public static function equal(string $name)
+    {
+        return "{$name} = ?";
+    }
+
+    /**
+     * @param string $name
+     * @return string
+     */
+    public static function not(string $name)
+    {
+        return "{$name} <> ?";
+    }
+
+    /**
+     * @param string $name
+     * @return string
+     */
+    public static function lessEqualThan(string $name)
+    {
+        return "{$name} <= ?";
+    }
+
+    /**
+     * @param string $name
+     * @return string
+     */
+    public static function lessThan(string $name)
+    {
+        return "{$name} < ?";
+    }
+
+    /**
+     * @param string $name
+     * @return string
+     */
+    public static function greaterEqualThan(string $name)
+    {
+        return "{$name} >= ?";
+    }
+
+    /**
+     * @param string $name
+     * @return string
+     */
+    public static function greaterThan(string $name)
+    {
+        return "{$name} > ?";
+    }
+
+    /**
+     * @param string $name
+     * @return string
+     */
+    public static function blank(string $name)
+    {
+        return "({$name} IS NULL) OR (NOT {$name})";
+    }
+
+    /**
+     * @param string $name
+     * @param string $value
+     * @return string
+     */
+    public static function in(string $name, string $value)
+    {
+        $callback = function () {
+            return '?';
+        };
+        $array = explode('|', $value);
+        $pieces = array_map($callback, $array);
+        $keys = implode(',', $pieces);
+        return "{$name} IN ({$keys})";
+    }
+}