[FIX] ORM Entity Relation : unable to get defined table name from rel…

…ation definition.

[FIX] ORM Entity Relation : unable to get defined table name from relation definition.

src/Core/Orm/EntityModel/EntityReflexionTrait.php

@@ -0,0 +1,76 @@
+<?php
+
+namespace Wepesi\Core\Orm\EntityModel;
+
+use Exception;
+use ReflectionClass;
+use ReflectionProperty;
+use Wepesi\Core\Orm\EntityModel\Provider\Contract\EntityInterface;
+use Wepesi\Core\Orm\Relations\Provider\Contract\BaseRelationInterface;
+
+/**
+ *
+ */
+trait EntityReflexionTrait
+{
+    /**
+     * @param $entity EntityInterface|BaseRelationInterface
+     * @param bool $entity_relation default false, use true in case we want to get more information about entity relation
+     * @param bool $get_only_entity_name default false, use True in cas ww want to get only entity name or object.
+     * @return array|object
+     */
+    private function getClassDefinition($entity, bool $entity_relation = false, bool $get_only_entity_name = false)
+    {
+        try {
+            $reflexion = new ReflectionClass($entity);
+            $classEntityName = $reflexion->getShortName();
+            $table_name = strtolower($classEntityName);
+            $table_field = [];
+            $entity_object = null;
+            // get entity table field defined as public properties
+            foreach ($reflexion->getProperties(ReflectionProperty::IS_PUBLIC) as $property) {
+                $table_field[] = $property->getName();
+            }
+
+            /**
+             * check in case we want to get more information about the entity relation.
+             */
+            if ($entity_relation) {
+                $class_name = lcfirst($classEntityName);
+                //get table name
+                $entity_instance_object = $reflexion->newInstance();
+                $getTableNameMethod = $reflexion->getMethod('getTableName');
+                $getTableNameMethod->setAccessible(true);
+                $table_name = $getTableNameMethod->invoke($entity_instance_object);
+                //
+                $parentEntityReflexion = new ReflectionClass($this);
+                $parent_entity_instance_object = $parentEntityReflexion->newInstance();
+                // check from parent entity if the child entity name as method as been defined.
+                if ($parentEntityReflexion->hasMethod($table_name)) {
+                    $method = $parent_entity_instance_object->getMethod($table_name);
+                    $method->setAccessible(true);
+                    $entity_object = $method->invoke($parent_entity_instance_object);
+                } else if ($parentEntityReflexion->hasMethod($class_name)) {
+                    $method = $parentEntityReflexion->getMethod($class_name);
+                    $method->setAccessible(true);
+                    $entity_object = $method->invoke($parent_entity_instance_object);
+                } else {
+                    throw new Exception('You should implement a relation method call ' . $class_name . ' from class ' . $classEntityName);
+                }
+            } elseif ($get_only_entity_name) {
+                $instance_object = $reflexion->newInstance();
+                $get_table_name_method = $reflexion->getMethod('getTableName');
+                $get_table_name_method->setAccessible(true);
+                $table_name = $get_table_name_method->invoke($instance_object);
+            }
+            return (object)[
+                'table' => $table_name,
+                'fields' => $table_field,
+                'entity_object' => $entity_object,
+                'class' => $classEntityName,
+            ];
+        } catch (Exception $ex) {
+            return ['exception' => $ex->getMessage()];
+        }
+    }
+}

src/Core/Orm/EntityModel/Provider/Entity.php

@@ -2,7 +2,7 @@
 
 namespace Wepesi\Core\Orm\EntityModel\Provider;
 
-use Wepesi\Core\Orm\EntityModel\EntityReflexion;
+use Wepesi\Core\Orm\EntityModel\EntityReflexionTrait;
 use Wepesi\Core\Orm\EntityModel\Provider\Contract\EntityInterface;
 use Wepesi\Core\Orm\DB;
 use Wepesi\Core\Orm\Relations\HasMany;
@@ -26,7 +26,7 @@ abstract class Entity implements EntityInterface
      * @var array|mixed
      */
     private array $param;
-    use EntityReflexion;
+    use EntityReflexionTrait;
 
     /**
      *

src/Core/Orm/Relations/BaseRelation.php

@@ -2,12 +2,15 @@
 
 namespace Wepesi\Core\Orm\Relations;
 
-use Wepesi\Core\Orm\EntityModel\EntityReflexion;
+use ReflectionClass;
+use Wepesi\Core\Orm\EntityModel\EntityReflexionTrait;
 use Wepesi\Core\Orm\EntityModel\Provider\Contract\EntityInterface;
+use Wepesi\Core\Orm\Relations\Provider\Contract\BaseRelationInterface;
+
 /**
  *
  */
-abstract class BaseRelation
+abstract class BaseRelation implements BaseRelationInterface
 {
     /**
      * @var string|mixed
@@ -21,29 +24,32 @@ abstract class BaseRelation
      * @var array
      */
     protected array $table_relations;
-    use EntityReflexion;
+    use EntityReflexionTrait;
 
     /**
      * @param EntityInterface $entity_parent
      * @param EntityInterface $entity_child
      */
     public function __construct(EntityInterface $entity_parent, EntityInterface $entity_child)
     {
-        $this->parent_table = $this->getClassDefinition($entity_parent,false,true)->table;
-        $this->child_table = $this->getClassDefinition($entity_child,false,true)->table;
+        $this->parent_table = $this->getClassDefinition($entity_parent, false, true)->table;
+        $this->child_table = $this->getClassDefinition($entity_child, false, true)->table;
         $this->table_relations = [];
     }
+
     /**
-     * @param string $reference_key
-     * @param string $foreignKey
+     * create link relation between to two entity.
+     *
+     * @param string $reference_key The parent entity relation id
+     * @param string $foreignKey the child entity relation id
      * @return BaseRelation
      */
     public function linkOn(string $reference_key, string $foreignKey): BaseRelation
     {
         $this->table_relations = [
             'parent' => $this->parent_table,
             'child' => $this->child_table,
-            'type' => $this->getClassDefinition($this)->class,
+            'type' => (new ReflectionClass($this))->getShortName(),
             'primary_key' => $reference_key,
             'foreign_key' => $foreignKey
         ];
@@ -63,6 +69,12 @@ public function __call($method, $params)
     }
 
     /**
+     * Get relation type information about two entities
+     *  parent the parent entity table,
+     *  child the child entity table,
+     *  type the entity relation type (hasOne, hasMany,...),
+     *  primary_key entity primary key references not for table,
+     *  foreign_key entity primary key references
      * @return object
      */
     protected function getRelation(): object

src/Core/Orm/Relations/Provider/Contract/BaseRelationInterface.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Wepesi\Core\Orm\Relations\Provider\Contract;
+
+interface BaseRelationInterface
+{
+
+}