class JsonApiFunctionalDateFieldTest

class JsonApiFunctionalDateFieldTest extends JsonApiFunctionalTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'basic_auth',
        'datetime',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        FieldStorageConfig::create([
            'field_name' => 'field_datetime',
            'entity_type' => 'node',
            'type' => 'datetime',
            'settings' => [
                'datetime_type' => 'datetime',
            ],
            'cardinality' => 1,
        ])->save();
        FieldConfig::create([
            'field_name' => 'field_datetime',
            'label' => 'Date and time',
            'entity_type' => 'node',
            'bundle' => 'article',
            'required' => FALSE,
            'settings' => [],
            'description' => '',
        ])->save();
    }
    
    /**
     * Tests the GET method.
     */
    public function testRead() : void {
        
        /** @var \Drupal\Core\Datetime\DateFormatterInterface $date_formatter */
        $date_formatter = $this->container
            ->get('date.formatter');
        $timestamp_1 = 5000000;
        $timestamp_2 = 6000000;
        $timestamp_3 = 7000000;
        // Expected: node 1.
        $timestamp_smaller_than_value = $timestamp_2;
        // Expected: node 1 and node 2.
        $timestamp_smaller_than_or_equal_value = $timestamp_2;
        // Expected: node 3.
        $timestamp_greater_than_value = $timestamp_2;
        // Expected: node 2 and node 3.
        $timestamp_greater_than_or_equal_value = $timestamp_2;
        $node_1 = $this->createNode([
            'type' => 'article',
            'uuid' => 'es_test_1',
            'status' => NodeInterface::PUBLISHED,
            'field_datetime' => $date_formatter->format($timestamp_1, 'custom', DateTimeItemInterface::DATETIME_STORAGE_FORMAT),
        ]);
        $node_2 = $this->createNode([
            'type' => 'article',
            'uuid' => 'es_test_2',
            'status' => NodeInterface::PUBLISHED,
            'field_datetime' => $date_formatter->format($timestamp_2, 'custom', DateTimeItemInterface::DATETIME_STORAGE_FORMAT),
        ]);
        $node_3 = $this->createNode([
            'type' => 'article',
            'uuid' => 'es_test_3',
            'status' => NodeInterface::PUBLISHED,
            'field_datetime' => $date_formatter->format($timestamp_3, 'custom', DateTimeItemInterface::DATETIME_STORAGE_FORMAT),
        ]);
        // Checks whether the date is greater than the given timestamp.
        $filter = [
            'filter_datetime' => [
                'condition' => [
                    'path' => 'field_datetime',
                    'operator' => '>',
                    'value' => date(DateTimeItemInterface::DATETIME_STORAGE_FORMAT, $timestamp_greater_than_value),
                ],
            ],
        ];
        $output = Json::decode($this->drupalGet('/jsonapi/node/article', [
            'query' => [
                'filter' => $filter,
            ],
        ]));
        $this->assertSession()
            ->statusCodeEquals(200);
        $output_uuids = array_map(function ($result) {
            return $result['id'];
        }, $output['data']);
        $this->assertCount(1, $output_uuids);
        $this->assertSame([
            $node_3->uuid(),
        ], $output_uuids);
        // Checks whether the date is greater than or equal to the given timestamp.
        $filter = [
            'filter_datetime' => [
                'condition' => [
                    'path' => 'field_datetime',
                    'operator' => '>=',
                    'value' => date(DateTimeItemInterface::DATETIME_STORAGE_FORMAT, $timestamp_greater_than_or_equal_value),
                ],
            ],
        ];
        $output = Json::decode($this->drupalGet('/jsonapi/node/article', [
            'query' => [
                'filter' => $filter,
            ],
        ]));
        $this->assertSession()
            ->statusCodeEquals(200);
        $output_uuids = array_map(function ($result) {
            return $result['id'];
        }, $output['data']);
        $this->assertCount(2, $output_uuids);
        $this->assertSame([
            $node_2->uuid(),
            $node_3->uuid(),
        ], $output_uuids);
        // Checks whether the date is less than the given timestamp.
        $filter = [
            'filter_datetime' => [
                'condition' => [
                    'path' => 'field_datetime',
                    'operator' => '<',
                    'value' => date(DateTimeItemInterface::DATETIME_STORAGE_FORMAT, $timestamp_smaller_than_value),
                ],
            ],
        ];
        $output = Json::decode($this->drupalGet('/jsonapi/node/article', [
            'query' => [
                'filter' => $filter,
            ],
        ]));
        $this->assertSession()
            ->statusCodeEquals(200);
        $output_uuids = array_map(function ($result) {
            return $result['id'];
        }, $output['data']);
        $this->assertCount(1, $output_uuids);
        $this->assertSame([
            $node_1->uuid(),
        ], $output_uuids);
        // Checks whether the date is less than or equal to the given timestamp.
        $filter = [
            'filter_datetime' => [
                'condition' => [
                    'path' => 'field_datetime',
                    'operator' => '<=',
                    'value' => date(DateTimeItemInterface::DATETIME_STORAGE_FORMAT, $timestamp_smaller_than_or_equal_value),
                ],
            ],
        ];
        $output = Json::decode($this->drupalGet('/jsonapi/node/article', [
            'query' => [
                'filter' => $filter,
            ],
        ]));
        $this->assertSession()
            ->statusCodeEquals(200);
        $output_uuids = array_map(function ($result) {
            return $result['id'];
        }, $output['data']);
        $this->assertCount(2, $output_uuids);
        $this->assertSame([
            $node_1->uuid(),
            $node_2->uuid(),
        ], $output_uuids);
    }

}