Merge pull request #1 from tobya/allowidviaattribute

Allow id via attribute

src/AnyModel.php

@@ -12,27 +12,47 @@ class AnyModel extends Model
     public $timestamps = false;
     protected $guarded = [];
 
+  /**
+   * Set the tablename that the model will be loaded from.
+   * @param string $tablename
+   * @param array $options
+   * @return AnyModel
+   */
     public static function table($tablename, $options = []){
 
         // Create a new Model  and set its table
         $Model = new AnyModel();
         $Model->table = $tablename;
 
         // Set any further options passed in before returning
+        // since AnyModel extends Model protected properties
+        // on Model can be set here.
         Collect($options)->each(function($value, $name) use ($Model){
             $Model->{$name} = $value;
         });
 
         return $Model;
     }
+
+  /**
+   * If used on table without id field, Model->id will not be available. If it is not set via
+   * primaryKey and have it work so if it is requested and does not exist rather than
+   * returning '' (default behaviour) raise an error.
+   * @return mixed
+   * @throws \Exception
+   */
     public function getIDattribute(){
-        // due to various contortions Model->id will not always be available and it is not possible to set
-        // primaryKey and have it work so if it is requested and does not exist rather than returning '' (default behaviour)
-        // raise an error.
-        if (!isset($this->{$this->primaryKey})){
+
+        // due to various contortions Model->id will not always be available. If it is not set via
+        // primaryKey and have it work so if it is requested and does not exist, rather than
+        // returning '' (default behaviour), raise an error.
+        if (!isset($this->attributes[$this->primaryKey])){
             throw new \Exception('AnyModel::id does not have a value.  Please specify actual id field name');
         }
 
+        // return primary key value.
+        return $this->attributes[$this->primaryKey];
+
     }
 
 }