edit static pages in backend

database/DisableForeignKeys.php

@@ -0,0 +1,79 @@
+<?php
+
+namespace Database;
+
+use Illuminate\Support\Facades\DB;
+
+/**
+ * Class DisablesForeignKeys.
+ */
+trait DisableForeignKeys
+{
+    /**
+     * @var array
+     */
+    private $commands = [
+        'mysql' => [
+          'enable'  => 'SET FOREIGN_KEY_CHECKS=1;',
+          'disable' => 'SET FOREIGN_KEY_CHECKS=0;',
+        ],
+        'sqlite' => [
+          'enable'  => 'PRAGMA foreign_keys = ON;',
+          'disable' => 'PRAGMA foreign_keys = OFF;',
+        ],
+        'sqlsrv' => [
+            'enable'  => 'EXEC sp_msforeachtable @command1="print \'?\'", @command2="ALTER TABLE ? WITH CHECK CHECK CONSTRAINT all";',
+            'disable' => 'EXEC sp_msforeachtable "ALTER TABLE ? NOCHECK CONSTRAINT all";',
+        ],
+        'pgsql' => [
+            'enable'  => 'SET CONSTRAINTS ALL IMMEDIATE;',
+            'disable' => 'SET CONSTRAINTS ALL DEFERRED;',
+        ],
+    ];
+
+    /**
+     * Disable foreign key checks for current db driver.
+     */
+    protected function disableForeignKeys()
+    {
+        DB::statement($this->getDisableStatement());
+    }
+
+    /**
+     * Enable foreign key checks for current db driver.
+     */
+    protected function enableForeignKeys()
+    {
+        DB::statement($this->getEnableStatement());
+    }
+
+    /**
+     * Return current driver enable command.
+     *
+     * @return mixed
+     */
+    private function getEnableStatement()
+    {
+        return $this->getDriverCommands()['enable'];
+    }
+
+    /**
+     * Return current driver disable command.
+     *
+     * @return mixed
+     */
+    private function getDisableStatement()
+    {
+        return $this->getDriverCommands()['disable'];
+    }
+
+    /**
+     * Returns command array for current db driver.
+     *
+     * @return mixed
+     */
+    private function getDriverCommands()
+    {
+        return $this->commands[DB::getDriverName()];
+    }
+}