feat: support updatePolicies method, fix #27 (#28)

src/Adapters/DatabaseAdapter.php

@@ -224,6 +224,24 @@ class DatabaseAdapter implements DatabaseAdapterContract, BatchDatabaseAdapterCo
         Rule::fireModelEvent('saved');
     }
 
+    /**
+     * UpdatePolicies updates some policy rules to storage, like db, redis.
+     *
+     * @param string $sec
+     * @param string $ptype
+     * @param string[][] $oldRules
+     * @param string[][] $newRules
+     * @return void
+     */
+    public function updatePolicies(string $sec, string $ptype, array $oldRules, array $newRules): void
+    {
+        DB::transaction(function () use ($sec, $ptype, $oldRules, $newRules) {
+            foreach ($oldRules as $i => $oldRule) {
+                $this->updatePolicy($sec, $ptype, $oldRule, $newRules[$i]);
+            }
+        });
+    }
+
     /**
      * Loads only policy rules that match the filter.
      *

tests/DatabaseAdapterTest.php

@@ -131,6 +131,34 @@ class DatabaseAdapterTest extends TestCase
         ], Enforcer::getPolicy());
     }
 
+    public function testUpdatePolicies()
+    {
+        $this->assertEquals([
+            ['alice', 'data1', 'read'],
+            ['bob', 'data2', 'write'],
+            ['data2_admin', 'data2', 'read'],
+            ['data2_admin', 'data2', 'write'],
+        ], Enforcer::getPolicy());
+
+        $oldPolicies = [
+            ['alice', 'data1', 'read'],
+            ['bob', 'data2', 'write']
+        ];
+        $newPolicies = [
+            ['alice', 'data1', 'write'],
+            ['bob', 'data2', 'read']
+        ];
+
+        Enforcer::updatePolicies($oldPolicies, $newPolicies);
+
+        $this->assertEquals([
+            ['alice', 'data1', 'write'],
+            ['bob', 'data2', 'read'],
+            ['data2_admin', 'data2', 'read'],
+            ['data2_admin', 'data2', 'write'],
+        ], Enforcer::getPolicy());
+    }
+
     public function testLoadFilteredPolicy()
     {
         $this->initTable();