image-classify.php

<?php
/**
 * Plugin Name:       Image Classify
 * Description:       Block to classify image and allow or block upload.
 * Requires at least: 6.4.2
 * Requires PHP:      7.0
 * Version:           1.0.0
 * Author:            UjW0L
 * License:           GPL-2.0-or-later
 * License URI:       https://www.gnu.org/licenses/gpl-2.0.html
 * Text Domain:       image-classify
 *
 * @package           create-block
 */

 namespace ctcImageClassify;

 if ( ! defined( 'ABSPATH' ) ) exit; 


 class ctcImageClassify{

	public function __construct(){

		define('CTCIC__DIR__PATH',plugin_dir_url(__FILE__) );
		SELF::requiredWpAction();

	}




 /**
	* @since 0.1.0
	*
	* Register required wp action
	*/
   public function requiredWpAction(){
	add_action( 'init', array($this,'create_block_image_classify_block_init') );
	add_action('wp_ajax_image_classify_uploadImage',array($this,'image_classify_uploadImage'));
	add_action('wp_ajax_nopriv_image_classify_uploadImage', array($this ,'image_classify_uploadImage'));

   }






	/**
	 * Upload image with AJAX
	 */

	 public function image_classify_uploadImage(){

		check_ajax_referer( 'my_ajax_nonce', 'nonce' );

		$ext =  'jpg'== $_POST['ext'] ? 'jpeg' : sanitize_text_field( $_POST['ext']);

		$fileName = time().'.'.$ext;
        $outPutFile = wp_upload_dir()['path'].'/'. $fileName;
        $upload_file =   file_put_contents($outPutFile, base64_decode(str_replace(' ', '+',str_replace('data:image/'.$ext.';base64,', '',$_POST['blob']))));
     
        
        $attachment = array(
            'guid'           => wp_upload_dir()['url'] . '/' .  $fileName, 
            'post_mime_type' => wp_check_filetype( basename( $fileName ), null )['type'],
            'post_title'     =>  sanitize_file_name( pathinfo( basename( $outPutFile), PATHINFO_FILENAME ) ),
            'post_content'   => '',
            'post_status'    => 'inherit'
        );
         
        $attach_id = wp_insert_attachment( $attachment );
    
    if(is_numeric($attach_id)):
    // Make sure that this file is included, as wp_generate_attachment_metadata() depends on it.
    require_once( ABSPATH . 'wp-admin/includes/image.php' );
     
    // Generate the metadata for the attachment, and update the database record.
    $attach_data = wp_generate_attachment_metadata( $attach_id,  $outPutFile);
    
    wp_update_attachment_metadata( $attach_id, $attach_data );
    echo esc_html(__('Image sucessfully uploaded','image-classify'));
    else:
        echo esc_html(__('Image could not be uploaded','image-classify'));
    endif;

		wp_die();
	 }
	

	 /**
	  * Since 0.1.0
	  * @param $atts atrributes
	  * @param $content
	  *
	  */

	  public function renderCallBack($atts, $content){

		$allow =  $atts["allowImage"] ? 'allow':'noAllow';

		$nonce = wp_create_nonce( 'my_ajax_nonce' );

		ob_start();
?>
		<div></div>
		<div class="image-classify-cont" data-nonce= "<?php echo (esc_attr(($nonce))); ?>" data-info='<?php echo (esc_attr(($atts['ctcIcParam'])));?>' data-conf="<?php echo (esc_attr( ($atts["minProbabilty"]/100)));?>"  data-train-images='<?php echo (esc_attr(wp_json_encode(($atts["trainData"]))))?>' data-allow="<?php echo(esc_attr($allow));?>" >

		<div><span><?php echo (esc_html(__("Select Image: ", 'image-classify')))?></span><span><input class="select-img" type="file" accept='image/*' /></span><span class="loading-result"></span></div>
		</div>
<?php
 return ob_get_clean();
	  }

/**
 * Registers the block using the metadata loaded from the `block.json` file.
 * Behind the scenes, it registers also all assets so they can be enqueued
 * through the block editor in the corresponding context.
 *
 * @see https://developer.wordpress.org/reference/functions/register_block_type/
 * 
 * 
 */


public  function create_block_image_classify_block_init() {

	$params = array(
		'invalidImage'=>esc_html(__('This kind of image is not allowed.','image-classify')),
		'validImage'=>esc_html(__('Image allowed. Would you like to upload it?.','image-classify')),
		'modelLoading'=>esc_html(__('Loading ....','image-classify')),
		'modelLoaded'=>esc_html(__('Done.','image-classify')),
		'ajaxUrl'=> admin_url( 'admin-ajax.php' ),
	);

	register_block_type( __DIR__ . '/build' , 
    array('attributes' => array( 
		"ctcIcParam"=> ["type"=>'string', "default"=>json_encode($params)],
		"allowImage"=>["type"=>'boolean', "default"=>true],
		"labelImg1"=>["type"=>"array", "default"=>[]],
		"labelImg2"=>["type"=>"array", "default"=>[]],
		"labelImg3"=>["type"=>"array", "default"=>[]],
		"labelImg4"=>["type"=>"array", "default"=>[]],
		"labelImg5"=>["type"=>"array", "default"=>[]],
		"createModel"=>["type"=>'boolean',"default"=>false],
		"trainButtonDis"=>["type"=>'boolean',"default"=>true],
		"trainData"=>["type"=>"array","default"=>[]],
		"minProbabilty"=> ["type"=>'number',"default"=>70 ],
),
"render_callback"=> array($this, 'renderCallBack') ,
)
);

 }
 }
new ctcImageClassify();