Split and store the conditions for a filter

src/Model/Filter.php

@@ -2,6 +2,8 @@
 
 namespace Opdavies\GmailFilterBuilder\Model;
 
+use Tightenco\Collect\Support\Collection;
+
 class Filter
 {
     /**
@@ -9,6 +11,14 @@ class Filter
      */
     private $properties = [];
 
+    /** @var Collection */
+    private $conditions;
+
+    public function __construct()
+    {
+        $this->conditions = new Collection();
+    }
+
     /**
      * @return static
      */
@@ -26,6 +36,10 @@ class Filter
     {
         $this->properties['hasTheWord'] = $value;
 
+        $this->conditions = $this->conditions->merge(
+            new Collection(preg_split('/\s+/', $value))
+        );
+
         return $this;
     }
 
@@ -271,4 +285,9 @@ class Filter
     {
         return $this->properties;
     }
+
+    public function getConditions(): Collection
+    {
+        return $this->conditions;
+    }
 }

tests/Unit/Model/FilterTest.php

@@ -320,4 +320,14 @@ class FilterTest extends TestCase
                 ->toArray()
         );
     }
+
+    /** @test */
+    public function conditions_can_be_split_and_stored()
+    {
+        $filter = Filter::create()
+            ->has('to:me@example.com subject:Something')
+            ->archive();
+
+        $this->assertCount(2, $filter->getConditions());
+    }
 }