attach-image.php
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<?php
function ninja_forms_attach_files_to_post( $post_id ){
global $ninja_forms_processing;
if( $ninja_forms_processing->get_extra_value( 'uploads' ) ){
foreach( $ninja_forms_processing->get_extra_value( 'uploads' ) as $field_id ){
$field_row = $ninja_forms_processing->get_field_settings( $field_id );
$user_value = $ninja_forms_processing->get_field_value( $field_id );
if( is_array( $user_value ) AND !empty( $user_value ) ){
$tmp_array = array();
$args = array(
'post_parent' => $post_id,
'post_status' => 'null',
'post_type'=> 'attachment',
'posts_per_page' => -1,
);
$attachments = get_posts( $args );
if( !empty( $attachments ) ){
$x = 0;
foreach( $attachments as $attachment ){
$attach_field = get_post_meta( $attachment->ID, 'ninja_forms_field_id', true );
$file_key = get_post_meta( $attachment->ID, 'ninja_forms_file_key', true );
$upload_id = get_post_meta( $attachment->ID, 'ninja_forms_upload_id', true );
if( $attach_field == $field_id ){
if( !array_key_exists( $file_key, $user_value ) ){
if( $upload_id != '' ){
ninja_forms_delete_upload( $upload_id );
}
wp_delete_attachment( $attachment->ID );
}else{
$tmp_array[$x]['id'] = $attachment->ID;
$tmp_array[$x]['field_id'] = $attach_field;
$tmp_array[$x]['file_key'] = $file_key;
}
}else if( $attach_field == '' ){
wp_update_post( array( 'ID' => $attachment->ID, 'post_parent' => 0 ) );
}
$x++;
}
}
$attachments = $tmp_array;
foreach( $user_value as $key => $file ){
// Check to see if we are changing files that already exist.
if( !isset( $file['changed'] ) OR $file['changed'] == 1 ){
foreach( $attachments as $attachment ){
if( $attachment['file_key'] == $key ){
$upload_id = get_post_meta( $attachment['id'], 'ninja_forms_upload_id', true );
if( $upload_id != '' ){
ninja_forms_delete_upload( $upload_id );
}
wp_delete_attachment( $attachment['id'] );
}
}
}
if( isset( $file['complete'] ) AND $file['complete'] == 1 && ( ! isset ( $file['changed'] ) || $file['changed'] == 1 ) ){
$filename = $file['file_path'].$file['file_name'];
$attach_array = ninja_forms_generate_metadata( $post_id, $filename );
$attach_id = $attach_array['attach_id'];
$attach_data = $attach_array['attach_data'];
if( !empty( $attach_array ) AND isset( $field_row['data']['featured_image'] ) AND $field_row['data']['featured_image'] == 1 ){
ninja_forms_set_featured_image( $post_id, $attach_id );
}
update_post_meta( $attach_id, 'ninja_forms_field_id', $field_id );
update_post_meta( $attach_id, 'ninja_forms_file_key', $key );
update_post_meta( $attach_id, 'ninja_forms_upload_id', $file['upload_id'] );
$file['attachment_id'] = $attach_id;
$user_value[ $key ] = $file;
}
}
$ninja_forms_processing->update_field_value( $field_id, $user_value );
} else {
$args = array(
'post_parent' => $post_id,
'post_status' => 'null',
'post_type'=> 'attachment',
'posts_per_page' => -1,
);
$attachments = get_posts( $args );
// Loop through our attachments and make sure that we don't have any empty fields.
foreach ( $ninja_forms_processing->get_all_fields() as $field_id => $user_value ) {
if ( $ninja_forms_processing->get_field_setting( $field_id, 'type') == '_upload' ) {
if( !empty( $attachments ) ){
foreach( $attachments as $attachment ){
$attach_field = get_post_meta( $attachment->ID, 'ninja_forms_field_id', true );
if( $attach_field == $field_id && empty ( $user_value ) ){
wp_delete_attachment( $attachment->ID );
}
}
}
}
}
}
}
}
}
add_action( 'ninja_forms_create_post', 'ninja_forms_attach_files_to_post' );
add_action( 'ninja_forms_update_post', 'ninja_forms_attach_files_to_post' );
/*
*
* Function to check whether or not a file should be added to the media library. If it is, call the attachment function.
*
* @since 1.0.3
* @return void
*/
function ninja_forms_check_add_to_media_library( $form_id ){
global $ninja_forms_processing;
if ( $ninja_forms_processing->get_form_setting( 'create_post' ) != 1 ) {
if( $ninja_forms_processing->get_extra_value( 'uploads' ) ){
foreach( $ninja_forms_processing->get_extra_value( 'uploads' ) as $field_id ){
$field_row = $ninja_forms_processing->get_field_settings( $field_id );
$user_value = $ninja_forms_processing->get_field_value( $field_id );
if( isset( $field_row['data']['media_library'] ) AND $field_row['data']['media_library'] == 1 ){
if( is_array( $user_value ) ){
foreach( $user_value as $key => $file ){
$filename = $file['file_path'].$file['file_name'];
$attach_array = ninja_forms_generate_metadata( '', $filename );
$user_value[$key]['attachment_id'] = $attach_array['attach_id'];
}
// $ninja_forms_processing->update_field_value( $field_id, $user_value );
}
}
}
}
}
}
add_action( 'ninja_forms_post_process', 'ninja_forms_check_add_to_media_library' );
function ninja_forms_generate_metadata( $post_id, $filename ){
$wp_filetype = wp_check_filetype( basename( $filename ), null );
$attachment = array(
'post_mime_type' => $wp_filetype['type'],
'post_title' => preg_replace( '/\.[^.]+$/', '', basename( $filename ) ),
'post_content' => '',
'post_status' => 'null'
);
$attach_id = wp_insert_attachment( $attachment, $filename, $post_id );
// you must first include the image.php file
// for the function wp_generate_attachment_metadata() to work
require_once(ABSPATH . "wp-admin" . '/includes/image.php');
require_once(ABSPATH . "wp-admin" . '/includes/media.php');
$attach_data = wp_generate_attachment_metadata( $attach_id, $filename );
$attach_data['ninja_forms_upload_field'] = true;
wp_update_attachment_metadata( $attach_id, $attach_data );
return array( 'attach_id' => $attach_id, 'attach_data' => $attach_data );
}
function ninja_forms_set_featured_image( $post_id, $attach_id ) {
// set as featured image
return update_post_meta( $post_id, '_thumbnail_id', $attach_id );
}
function ninja_forms_post_edit_file_attachment_filter( $data, $field_id ){
global $post;
$field_row = ninja_forms_get_field_by_id( $field_id );
$field_type = $field_row['type'];
if( $field_type == '_upload' AND is_object( $post ) ){
$args = array(
'post_type' => 'attachment',
'numberposts' => null,
'post_status' => null,
'post_parent' => $post->ID,
'posts_per_page' => -1,
);
$attachments = get_posts($args);
if( $attachments ){
foreach ($attachments as $attachment) {
$attach_field = get_post_meta( $attachment->ID, 'ninja_forms_field_id', true );
$file_key = get_post_meta( $attachment->ID, 'ninja_forms_file_key', true );
$upload_id = get_post_meta( $attachment->ID, 'ninja_forms_upload_id', true );
if( $attach_field == $field_id ){
$filename = basename ( get_attached_file( $attachment->ID ) );
$filepath = str_replace( $filename, '', get_attached_file( $attachment->ID ) );
if ( ! is_array( $data['default_value'] ) ) {
$data['default_value'] = array();
}
$data['default_value'][$file_key] = array(
'user_file_name' => $filename,
'file_name' => $filename,
'file_path' => $filepath,
'file_url' => wp_get_attachment_url( $attachment->ID ),
'complete' => 1,
'upload_id' => $upload_id
);
}
}
}
if( isset( $field_row['data']['featured_image'] ) AND $field_row['data']['featured_image'] == 1 ){
$post_thumbnail_id = get_post_thumbnail_id( $post->ID );
if ( $post_thumbnail_id != '' ) {
$attach_field = get_post_meta( $post_thumbnail_id, 'ninja_forms_field_id', true );
if( $attach_field == '' ){
$file_key = ninja_forms_field_uploads_create_key( array() );
$upload_id = '';
$filename = basename ( get_attached_file( $post_thumbnail_id ) );
$filepath = str_replace( $filename, '', get_attached_file( $post_thumbnail_id ) );
$data['default_value'][$file_key] = array(
'user_file_name' => $filename,
'file_name' => $filename,
'file_path' => $filepath,
'file_url' => wp_get_attachment_url( $post_thumbnail_id ),
'complete' => 1,
'upload_id' => $upload_id
);
}
}
}
if( isset( $data['default_value'] ) AND is_array( $data['default_value'] ) ){
uasort($data['default_value'], 'ninja_forms_compare_file_name');
}
}
return $data;
}
add_filter( 'ninja_forms_field', 'ninja_forms_post_edit_file_attachment_filter', 25, 2 );
function ninja_forms_compare_file_name( $a, $b ){
if ( !isset ( $a['file_name'] ) or !isset ( $b['file_name'] ) )
return false;
if( $a['file_name'] == $b['file_name'] ){
return 0;
}
return ($a['file_name'] < $b['file_name']) ? -1 : 1;
}