date field, fixed array field

Author: mdiyakov

DependencyInjection/Configuration.php

@@ -65,7 +65,7 @@ public function getConfigTreeBuilder()
                                         ->scalarNode('document_field_name')->cannotBeEmpty()->end()
                                         ->enumNode('field_type')
                                             ->defaultValue('string')
-                                            ->values(['string', 'array', 'boolean', 'int', 'double'])
+                                            ->values(['string', 'array', 'boolean', 'int', 'double', 'date'])
                                         ->end()
                                         ->booleanNode('entity_primary_key')->defaultValue(false)->end()
                                         ->scalarNode('priority')->defaultValue(0)->end()

Schema/Field/Entity/ArrayField.php

@@ -15,7 +15,10 @@ public function getDocumentFieldValue($entity)
         $entityValue = $this->getEntityFieldValue($entity);
         if (is_scalar($entityValue)) {
             $entityValue =  [ $entityValue ];
-        } elseif ((!$entityValue instanceof \Iterator) && (!$entityValue instanceof \IteratorAggregate)) {
+        } elseif (
+            !is_array($entityValue) &&
+            ((!$entityValue instanceof \Iterator) && (!$entityValue instanceof \IteratorAggregate))
+        ) {
             throw new InvalidFieldValueException('Field value must be \Iterator or \IteratorAggregate instance');
         }
 

Schema/Field/Entity/DateField.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace Mdiyakov\DoctrineSolrBundle\Schema\Field\Entity;
+
+use Mdiyakov\DoctrineSolrBundle\Exception\InvalidFieldValueException;
+
+class DateField extends Field
+{
+    const FORMAT = 'Y-m-d\TH:i:s\Z';
+
+    /**
+     * @param object $entity
+     * @return string
+     */
+    public function getDocumentFieldValue($entity)
+    {
+        $entityValue = $this->getEntityFieldValue($entity);
+
+        if (!$entityValue instanceof \DateTime) {
+            throw new InvalidFieldValueException(
+                sprintf(
+                    '"%s" field value of "%s" must be a DateTime instance',
+                    $this->getEntityFieldName(),
+                    get_class($entity)
+                )
+            );
+        }
+
+        return $entityValue->format(self::FORMAT);
+    }
+}

Schema/Field/Entity/FieldFactory.php

@@ -10,6 +10,7 @@ class FieldFactory
         'double' => DoubleField::class,
         'array' => ArrayField::class,
         'boolean' => BooleanField::class,
+        'date' => DateField::class,
     ];
 
     /**