Alias models

src/Currency.php

@@ -38,6 +38,13 @@ class Currency extends Model {
     }
     return $this->sources;
   }
+  protected $aliases;
+  public function aliases() {
+    if ($this->aliases === null) {
+      $this->aliases = $this->parentOf(Alias::class, [Model::CHILD_KEY => 'currency_id']);
+    }
+    return $this->aliases;
+  }
 
   protected static $fields = ['code', 'name'];
   public static function add(ModelFactory $factory, $info) {
@@ -73,6 +80,12 @@ class Currency extends Model {
     }
     return $edited;
   }
+  public function addAlias($info) {
+    $arr = (array) $info;
+    $arr['currency_id'] = (int) $this->id;
+    $result = Alias::add($this->factory, $arr);
+    return $result;
+  }
   public function addValue($info) {
     $arr = (array) $info;
     $arr['currency_id'] = (int) $this->id;
@@ -85,4 +98,27 @@ class Currency extends Model {
     $result = Source::add($this->factory, $arr);
     return $result;
   }
+
+  public static function find(ModelFactory $factory, string $query) {
+    $query = '%' . $query . '%';
+    $currency = $factory->find(Currency::class)->where([
+      ['code', $query, 'like']
+    ])->one();
+    if ($currency !== false and $currency !== null) {
+      return $currency;
+    }
+    $currency = $factory->find(Currency::class)->where([
+      ['name', $query, 'like']
+    ])->one();
+    if ($currency !== false and $currency !== null) {
+      return $currency;
+    }
+    $alias = $factory->find(Alias::class)->where([
+      ['alias', $query, 'like']
+    ])->one();
+    if ($alias !== false and $alias !== null) {
+      return $alias->currency();
+    }
+    return false;
+  }
 }