Ajax Upload
Upload images to the Media Library as they are uploaded via the Gravity Forms Multi-file Upload field.
Instructions
Code
Filename: gpml-ajax-upload.php
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<?php
/**
* Gravity Perks // Media Library // Ajax Upload
* https://gravitywiz.com/documentation/gravity-forms-media-library/
*
* Instruction Video: https://www.loom.com/share/bed55943a25c44f697530ed79d1d3066
*
* Upload images to the Media Library as they are uploaded via the Gravity Forms Multi-file Upload field.
*
* Plugin Name: GP Media Library - Ajax Upload
* Plugin URI: https://gravitywiz.com/documentation/gravity-forms-media-library/
* Description: Upload images to the Media Library as they are uploaded via the Gravity Forms Multi-file Upload field.
* Author: Gravity Wiz
* Version: 0.14
* Author URI: https://gravitywiz.com/
*/
class GPML_Ajax_Upload {
private $_args = array();
private $form_id;
public function __construct( $args = array() ) {
$this->_args = wp_parse_args( $args, array(
'default_entry_id' => 1,
) );
$this->form_id = rgar( $args, 'form_id' );
add_action( 'init', array( $this, 'init' ), 11 );
}
public function init() {
if ( ! is_callable( 'gp_media_library' ) ) {
return;
}
add_action( 'gform_post_multifile_upload', array( $this, 'upload' ), 10, 5 );
remove_action( 'gform_entry_post_save', array( gp_media_library(), 'maybe_upload_to_media_library' ) );
add_filter( 'gform_entry_post_save', array( $this, 'update_entry_field_values' ), 10, 2 );
// This filter ensures that this snippet is called on Gravity Flow inbox pages which do not
// seem to trigger `gform_entry_post_save` when updating entries.
add_filter( 'gravityflow_next_step', array( $this, 'gpml_gflow_next_step' ), 10, 4 );
}
public function is_applicable_form( $form ) {
return empty( $this->form_id ) || (int) rgar( $form, 'id' ) === (int) $this->form_id;
}
public function gpml_gflow_next_step( $step, $current_step, $entry, $steps ) {
$form = GFAPI::get_form( $entry['form_id'] );
if ( ! $this->is_applicable_form( $form ) ) {
return $step;
}
$this->update_entry_field_values( $entry, $form );
return $step;
}
public function upload( $form, $field, $uploaded_filename, $tmp_file_name, $file_path ) {
if ( ! gp_media_library()->is_applicable_field( $field ) || ! $this->is_applicable_form( $form ) ) {
return;
}
$field_uid = implode( '_', array( rgpost( 'gform_unique_id' ), $field->id ) );
$renamed_file_path = str_replace( basename( $file_path ), $uploaded_filename, $file_path );
rename( $file_path, $renamed_file_path );
$id = gp_media_library()->upload_to_media_library( $renamed_file_path, $field, array( 'id' => $this->_args['default_entry_id'] ) );
if ( is_wp_error( $id ) ) {
return;
}
/**
* Fires after a file has been uploaded to the Media Library via AJAX.
*
* @param array $id Array of file IDs.
* @param GF_Field_FileUpload $field The File Upload field object.
*
* @since 0.14
*/
do_action( 'gpmlau_after_upload', $id, $field );
$key = sprintf( 'gpml_ids_%s', $field_uid );
// Get file IDs.
$ids = gform_get_meta( $this->_args['default_entry_id'], $key );
if ( ! is_array( $ids ) ) {
$ids = array();
}
$ids[] = $id[0];
// Update file IDs.
gform_update_meta( $this->_args['default_entry_id'], $key, $ids, $form['id'] );
$output = array(
'status' => 'ok',
'data' => array(
'temp_filename' => $tmp_file_name,
'uploaded_filename' => str_replace( "\\'", "'", urldecode( $uploaded_filename ) ), //Decoding filename to prevent file name mismatch.
'url' => wp_get_attachment_image_url( $id[0] ),
),
);
$output = json_encode( $output );
die( $output );
}
public function update_entry_field_values( $entry, $form ) {
if ( ! $this->is_applicable_form( $form ) ) {
return $entry;
}
foreach ( $form['fields'] as $field ) {
if ( $field->get_input_type() != 'fileupload' || ! $field->multipleFiles ) {
continue;
}
$field_uid = implode( '_', array( rgpost( 'gform_unique_id' ), $field->id ) );
$ids = gform_get_meta( $this->_args['default_entry_id'], sprintf( 'gpml_ids_%s', $field_uid ) );
if ( empty( $ids ) ) {
continue;
}
$new_value = array();
foreach ( $ids as $id ) {
if ( ! is_wp_error( $id ) ) {
$new_value[] = wp_get_attachment_url( $id );
}
}
// Append to current value if present
$current_value = rgar( $entry, $field->id, false );
if ( $current_value ) {
$new_value = array_merge( json_decode( $current_value ), $new_value );
}
$entry[ $field->id ] = json_encode( $new_value );
$entry[ $field->id ] = json_encode( $new_value );
// Save our changes to the DB for this entry.
GFAPI::update_entry_field( $entry['id'], $field->id, $entry[ $field->id ] );
// Delete temporary file ID meta.
gform_delete_meta( $this->_args['default_entry_id'], sprintf( 'gpml_ids_%s', $field_uid ) );
// Save the file ID meta to the actual entry/field.
gp_media_library()->update_file_ids( $entry['id'], $field->id, $ids );
}
return $entry;
}
}
# Configuration
new GPML_Ajax_Upload();
# Apply to a specific Form.
// new GPML_Ajax_Upload( array(
// 'form_id' => 292,
// ) );