<?php
/**
* "Conditional Email" ACFE Form Action Class.
*
* Handles the "Conditional Email" ACFE Form Action.
*
* @package Conditional_Form_Actions_For_ACFE
*/
// Exit if accessed directly.
defined( 'ABSPATH' ) || exit;
/**
* "Conditional Email" ACFE Form Action Class.
*
* A class that handles the "Conditional Email" ACFE Form Action.
*
* @since 0.2.0
*/
class CFAFA_ACFE_Form_Action_Email extends CFAFA_ACFE_Form_Action_Base {
/**
* Plugin object.
*
* @since 0.2.0
* @access public
* @var Conditional_Form_Actions_For_ACFE
*/
public $plugin;
/**
* ACF Extended object.
*
* @since 0.2.0
* @access public
* @var CFAFA_ACFE
*/
public $acfe;
/**
* Form Action Name.
*
* @since 0.2.0
* @access public
* @var string
*/
public $name = 'email_cfafa';
/**
* Field Key Prefix.
*
* @since 0.2.0
* @access public
* @var string
*/
public $field_key = 'field_';
/**
* Field Name Prefix.
*
* @since 0.2.0
* @access public
* @var string
*/
public $field_name = '';
/**
* Array of translatable mapped Email Fields.
*
* @since 0.2.0
* @access public
* @var array
*/
public $mapped_email_fields = [];
/**
* Constructor.
*
* @since 0.2.0
*/
public function __construct() {
// Store references to objects.
$this->plugin = cfafa();
$this->acfe = $this->plugin->acfe;
// Label this Form Action.
$this->title = __( 'Conditional Email action', 'conditional-form-actions-for-acfe' );
// Alias Placeholder for this Form Action.
$this->alias_placeholder = __( 'Conditional Email', 'conditional-form-actions-for-acfe' );
// Declare the mapped Email Fields with translatable titles.
$this->mapped_email_fields = [
'from_name' => __( 'From Name', 'conditional-form-actions-for-acfe' ),
'from_email' => __( 'From Email', 'conditional-form-actions-for-acfe' ),
'reply_to_name' => __( 'Reply To Name', 'conditional-form-actions-for-acfe' ),
'reply_to_email' => __( 'Reply To Email', 'conditional-form-actions-for-acfe' ),
'to_name' => __( 'To Name', 'conditional-form-actions-for-acfe' ),
'to_email' => __( 'To Email', 'conditional-form-actions-for-acfe' ),
'cc' => __( 'Cc', 'conditional-form-actions-for-acfe' ),
'bcc' => __( 'Bcc', 'conditional-form-actions-for-acfe' ),
'subject' => __( 'Subject', 'conditional-form-actions-for-acfe' ),
];
// Declare core Fields for this Form Action.
$this->item = [
'action' => $this->name,
'name' => '',
'email' => [
'from_name' => '',
'from_email' => '',
'to_name' => '',
'to_email' => '',
'reply_to_name' => '',
'reply_to_email' => '',
'cc' => '',
'bcc' => '',
'subject' => '',
'content' => '',
'html' => false,
],
'files' => [
'dynamic' => [],
'static' => [],
],
];
// Init parent.
parent::__construct();
}
/**
* Prepares data for saving when the Form Action is saved.
*
* @since 0.2.0
*
* @param array $action The array of Form Action data.
* @return array $save The array of data to save.
*/
public function prepare_save_action( $action ) {
// Init with default array for this Field.
$save = $this->item;
// Always add action name.
$save['name'] = $action['name'];
// Always save Conditional Field.
if ( acf_maybe_get( $action, $this->conditional_code ) ) {
$save['conditional'] = $action[ $this->conditional_code ];
}
// Email data.
$keys = array_keys( $this->mapped_email_fields );
foreach ( $keys as $key ) {
if ( acf_maybe_get( $action, $key ) ) {
$save['email'][ $key ] = $action[ $key ];
}
}
// Get Content Type from Content Group.
$group = $action['content_group'];
if ( 'editor' === $group['content_type'] ) {
$save['email']['content'] = $group['content_editor'];
} elseif ( 'html' === $group['content_type'] ) {
$save['email']['content'] = $group['content_html'];
$save['email']['html'] = true;
}
// Dynamic Files.
$save['files']['dynamic'] = acf_get_array( $action['files_dynamic'] );
// Static Files.
$save['files']['static'] = acf_get_array( $action['files_static'] );
// --<
return $save;
}
/**
* Prepares data when the Form Action is loaded.
*
* @since 0.2.0
*
* @param array $action The array of Form Action data.
* @return array $action The array of data to save.
*/
public function prepare_load_action( $action ) {
// Email data.
$keys = array_keys( $this->mapped_email_fields );
foreach ( $keys as $key ) {
if ( acf_maybe_get( $action['email'], $key ) ) {
$action[ $key ] = $action['email'][ $key ];
}
}
// Populate Content Editor.
$value = $action['email']['content'];
$group = 'content_group';
if ( true === $action['email']['html'] ) {
$action[ $group ]['content_type'] = 'html';
$action[ $group ]['content_html'] = $value;
} else {
$action[ $group ]['content_type'] = 'editor';
$action[ $group ]['content_editor'] = $value;
}
// Init Dynamic Files array.
$action['files_dynamic'] = [];
// Populate Dynamic Files.
$files = $action['files']['dynamic'];
foreach ( $files as $row ) {
$action['files_dynamic'][] = [
'file' => $row['file'],
'file_delete' => $row['file_delete'],
];
}
// Init Static Files array.
$action['files_static'] = [];
// Populate Static Files.
$files = $action['files']['static'];
foreach ( $files as $row ) {
$action['files_static'][] = [
'file_static' => $row['file_static'],
];
}
// --<
return $action;
}
/**
* Performs validation when the Form the Action is attached to is submitted.
*
* @since 0.2.0
*
* @param array $form The array of Form data.
* @param array $action The array of Action data.
*/
public function validation( $form, $action ) {
/*
// Get some Form details.
$form_name = acf_maybe_get( $form, 'name' );
$form_id = acf_maybe_get( $form, 'ID' );
//acfe_add_validation_error( $selector, $message );
*/
}
/**
* Performs the action when the Form the Action is attached to is submitted.
*
* @since 0.2.0
*
* @param array $form The array of Form data.
* @param array $action The array of Action data.
*/
public function make_action( $form, $action ) {
// Bail if a filter has overridden the action.
if ( false === $this->make_skip( $form, $action ) ) {
return;
}
// Populate Conditional Reference and value.
$action = $this->form_conditional_populate( $action );
// Populate Email data array.
$email = $this->form_email_data( $form, $action );
// Populate Attachments data array.
$attachments = $this->form_attachments_data( $form, $action );
// Check Conditional.
if ( $this->form_conditional_check( $action ) ) {
// Build the arguments.
$args = $this->form_build_args( $email, $attachments, $form, $action );
// Skip when the args have been overridden.
if ( ! empty( $args ) ) {
// Send the Email with the built arguments.
$email = $this->form_email_send( $args, $email );
}
}
// Maybe remove Dynamic Attachments.
$this->form_attachments_delete( $attachments );
// Build result.
$result = [
'email' => $email,
'attachments' => $attachments['attachments'],
'conditional' => $action['conditional'],
];
// Save the results of this Action for later use.
$this->make_action_save( $action, $result );
}
/**
* Defines additional Fields for the "Action" Tab.
*
* @since 0.2.0
*
* @return array $fields The array of Fields for this section.
*/
protected function tab_action_append() {
// Init Fields.
$fields = [];
// Configure Conditional Field.
$args = [
'placeholder' => __( 'Always send', 'conditional-form-actions-for-acfe' ),
'instructions' => __( 'To send the Email only when a Form Field is populated (e.g. "First Name") link this to the Form Field. To send the Email only when more complex conditions are met, link this to a Hidden Field with value "1" where the conditional logic of that Field shows it when the conditions are met.', 'conditional-form-actions-for-acfe' ),
];
// Add Conditional Field.
$fields[] = $this->form_conditional_field_get( $args );
// --<
return $fields;
}
/**
* Defines the "Mapping" Tab.
*
* @since 0.2.0
*
* @return array $fields The array of Fields for this section.
*/
protected function tab_mapping_add() {
// Get Tab Header.
$label = __( 'Email', 'conditional-form-actions-for-acfe' );
$mapping_tab_header = $this->tab_mapping_header( $label );
// Build Email Details Accordion.
$mapping_email_accordion = $this->tab_mapping_accordion_email_add();
// Combine Sub-Fields.
$fields = array_merge(
$mapping_tab_header,
$mapping_email_accordion
);
// --<
return $fields;
}
/**
* Defines the Fields in the "Email Fields" Accordion.
*
* @since 0.2.0
*
* @return array $fields The array of Fields for this section.
*/
private function tab_mapping_accordion_email_add() {
// Init return.
$fields = [];
// Add "Mapping" Fields.
foreach ( $this->mapped_email_fields as $name => $title ) {
$fields[] = $this->mapping_field_get( $name, $title );
}
// Define Content Group.
$content_group = [
'key' => $this->field_key . 'content_group',
'label' => __( 'Content', 'conditional-form-actions-for-acfe' ),
'name' => 'content_group',
'type' => 'group',
'instructions' => sprintf(
/* translators: 1: An opening <code> tag, 2: A closing <code> tag, 3: A line break tag, */
__( 'Render customized email content.%3$s%3$sRender all fields values:%3$s%1$s{fields}%2$s%3$s%3$sRender field value:%3$s%1$s{field:field_abc123}%2$s%3$s%1$s{field:my_field}%2$s', 'conditional-form-actions-for-acfe' ),
'<code>',
'</code>',
'<br />'
),
'required' => 0,
'conditional_logic' => 0,
'wrapper' => [
'width' => '',
'class' => '',
'id' => '',
],
'layout' => 'block',
'acfe_seamless_style' => true,
'acfe_group_modal' => 0,
'sub_fields' => [],
];
// Define Content Type Field.
$content_group['sub_fields'][] = [
'key' => $this->field_key . 'content_type',
'label' => '',
'name' => 'content_type',
'type' => 'select',
'instructions' => '',
'required' => 0,
'conditional_logic' => 0,
'wrapper' => [
'width' => '',
'class' => '',
'id' => '',
],
'choices' => [
'editor' => __( 'Content Editor', 'conditional-form-actions-for-acfe' ),
'html' => __( 'Raw HTML', 'conditional-form-actions-for-acfe' ),
],
'default_value' => [ 'custom' ],
'allow_null' => 0,
'multiple' => 0,
'ui' => 0,
'return_format' => 'value',
'placeholder' => __( 'Default', 'conditional-form-actions-for-acfe' ),
'ajax' => 0,
'allow_custom' => 0,
];
// Define Content Editor Field.
$content_group['sub_fields'][] = [
'key' => $this->field_key . 'content_editor',
'label' => '',
'name' => 'content_editor',
'type' => 'wysiwyg',
'instructions' => '',
'required' => 0,
'conditional_logic' => [
[
[
'field' => $this->field_key . 'content_type',
'operator' => '==',
'value' => 'editor',
],
],
],
'wrapper' => [
'width' => '',
'class' => '',
'id' => '',
],
'default_value' => '',
'tabs' => 'all',
'toolbar' => 'full',
'media_upload' => 1,
'delay' => 0,
];
// Define Content HTML Field.
$content_group['sub_fields'][] = [
'key' => $this->field_key . 'content_html',
'label' => '',
'name' => 'content_html',
'type' => 'acfe_code_editor',
'instructions' => '',
'required' => 0,
'conditional_logic' => [
[
[
'field' => $this->field_key . 'content_type',
'operator' => '==',
'value' => 'html',
],
],
],
'wrapper' => [
'width' => '',
'class' => '',
'id' => '',
],
'default_value' => '',
'rows' => 18,
];
// Finally, add Content Group.
$fields[] = $content_group;
// --<
return $fields;
}
/**
* Defines the "Attachments" Tab.
*
* @since 0.2.0
*
* @return array $fields The array of Fields for this section.
*/
protected function tab_attachments_add() {
// Init tab array.
$attachments_tab = [];
// Add "Dynamic Files" Repeater.
$attachments_tab[] = [
'key' => $this->field_key . 'files_dynamic',
'label' => __( 'Dynamic Files', 'conditional-form-actions-for-acfe' ),
'name' => 'files_dynamic',
'type' => 'repeater',
'instructions' => '',
'required' => 0,
'conditional_logic' => 0,
'wrapper' => [
'width' => '',
'class' => '',
'id' => '',
],
'collapsed' => '',
'min' => 0,
'max' => 0,
'layout' => 'table',
'button_label' => __( 'Add File', 'conditional-form-actions-for-acfe' ),
'sub_fields' => [
[
'key' => $this->field_key . 'file',
'label' => __( 'File', 'conditional-form-actions-for-acfe' ),
'name' => 'file',
'type' => 'select',
'instructions' => '',
'required' => 0,
'wrapper' => [
'width' => '',
'class' => '',
'id' => '',
],
'choices' => [],
'default_value' => [],
'allow_null' => 1,
'multiple' => 0,
'ui' => 1,
'return_format' => 'value',
'placeholder' => '',
'ajax' => 1,
'search_placeholder' => __( 'Select a field or enter a custom value or template tag.', 'conditional-form-actions-for-acfe' ),
'allow_custom' => 1,
'conditional_logic' => 0,
'ajax_action' => 'acfe/form/map_field_ajax',
'nonce' => wp_create_nonce( $this->field_key . 'file' ),
],
[
'key' => $this->field_key . 'file_delete',
'label' => __( 'Delete File', 'conditional-form-actions-for-acfe' ),
'name' => 'file_delete',
'type' => 'true_false',
'instructions' => '',
'required' => 0,
'wrapper' => [
'width' => '',
'class' => '',
'id' => '',
],
'acfe_permissions' => '',
'message' => __( 'Delete once submitted', 'conditional-form-actions-for-acfe' ),
'default_value' => 0,
'ui' => 1,
'ui_on_text' => '',
'ui_off_text' => '',
],
],
];
// Add "Static Files" Repeater.
$attachments_tab[] = [
'key' => $this->field_key . 'files_static',
'label' => __( 'Static Files', 'conditional-form-actions-for-acfe' ),
'name' => 'files_static',
'type' => 'repeater',
'instructions' => '',
'required' => 0,
'conditional_logic' => 0,
'wrapper' => [
'width' => '',
'class' => '',
'id' => '',
],
'collapsed' => '',
'min' => 0,
'max' => 0,
'layout' => 'table',
'button_label' => __( 'Add File', 'conditional-form-actions-for-acfe' ),
'sub_fields' => [
[
'key' => $this->field_key . 'file_static',
'label' => __( 'File', 'conditional-form-actions-for-acfe' ),
'name' => 'file_static',
'type' => 'file',
'instructions' => '',
'required' => 0,
'conditional_logic' => 0,
'wrapper' => [
'width' => '',
'class' => '',
'id' => '',
],
'acfe_permissions' => '',
'return_format' => 'id',
],
],
];
// Get Tab Header.
$attachments_tab_header = $this->tab_attachments_header();
// Combine Sub-Fields.
$fields = array_merge(
$attachments_tab_header,
$attachments_tab
);
// --<
return $fields;
}
/**
* Builds Email data array from mapped Fields.
*
* @since 0.2.0
*
* @param array $form The array of Form data.
* @param array $action The array of Action data.
* @return array $data The array of results of this Action to save for later use.
*/
private function form_email_data( $form, $action ) {
// Init data array.
$data = [];
// Set ACFE "context". We want to apply tags.
acfe_add_context( [ 'context' => 'display' ] );
// Mapped Email data.
$keys = array_keys( $this->mapped_email_fields );
foreach ( $keys as $key ) {
acfe_apply_tags( $action['email'][ $key ] );
$data[ $key ] = $action['email'][ $key ];
}
// Apply tags to Email content.
acfe_apply_tags( $action['email']['content'], [ 'unformat' => 'wysiwyg' ] );
// Reset the ACFE "context".
acfe_delete_context( [ 'context' ] );
// Format the Email content.
if ( true === $action['email']['html'] ) {
// Apply Shortcodes to HTML content.
$action['email']['content'] = do_shortcode( $action['email']['content'] );
} else {
// Apply "the_content" filters to Rich Text Editor content.
$action['email']['content'] = apply_filters( 'acf_the_content', $action['email']['content'] );
}
// Now add Email content to data.
$data['content'] = $action['email']['content'];
// --<
return $data;
}
/**
* Builds Attachment data array from mapped Fields.
*
* @since 0.2.0
*
* @param array $form The array of Form data.
* @param array $action The array of Action data.
* @return array $data The array of Attachment data to save for later use.
*/
private function form_attachments_data( $form, $action ) {
// Init return array.
$data = [
'attachments' => [
'dynamic' => [],
'static' => [],
],
'delete_after' => [],
];
// Process Dynamic Attachments.
if ( ! empty( $action['files']['dynamic'] ) ) {
foreach ( $action['files']['dynamic'] as $row ) {
// Parse tags but get the data unformatted and raw.
$context = [
'context' => 'save',
'format' => false,
'return' => 'raw',
];
// Find the ID of the File.
$file_id = acfe_parse_tags( $row['file'], $context );
// Add to Attachments array.
$data['attachments'][] = get_attached_file( $file_id );
// Maybe add to delete array.
if ( $row['file_delete'] ) {
$data['delete_after'][] = $file_id;
}
}
}
// Process Static Attachments.
if ( ! empty( $action['files']['static'] ) ) {
foreach ( $action['files']['static'] as $row ) {
$data['attachments']['static'][] = get_attached_file( $row['file_static'] );
}
}
// --<
return $data;
}
/**
* Builds the arguments array.
*
* @since 0.2.0
*
* @param array $email The array of Email data.
* @param array $attachments The array of Attachments data.
* @param array $form The array of Form data.
* @param array $action The array of Action data.
* @return array|bool $args The arguments array, or false on failure.
*/
private function form_build_args( $email, $attachments, $form, $action ) {
// Build "From" and "Reply To" params.
$from = $this->form_email_item_build( $email['from_name'], $email['from_email'] );
$reply_to = $this->form_email_item_build( $email['reply_to_name'], $email['reply_to_email'] );
// Maybe use "From" when "Reply To" is empty.
if ( empty( $reply_to ) ) {
$reply_to = $from;
}
// Build "To" param.
$to = $this->form_email_item_build( $email['to_name'], $email['to_email'] );
// Sanity checks.
if ( empty( $from ) || empty( $to ) ) {
return false;
}
// Build attachments array.
$attached_files = array_merge(
$attachments['attachments']['dynamic'],
$attachments['attachments']['static']
);
// Build Email headers.
$headers[] = 'From: ' . $from;
if ( ! empty( $reply_to ) ) {
$headers[] = 'Reply-To: ' . $reply_to;
}
if ( ! empty( $email['cc'] ) ) {
$headers[] = 'Cc: ' . $email['cc'];
}
if ( ! empty( $email['bcc'] ) ) {
$headers[] = 'Bcc: ' . $email['bcc'];
}
$headers[] = 'Content-Type: text/html';
$headers[] = 'charset=UTF-8';
// Finally, build args array.
$args = [
'from' => $from,
'to' => $to,
'reply_to' => $reply_to,
'cc' => $email['cc'],
'bcc' => $email['bcc'],
'subject' => $email['subject'],
'content' => $email['content'],
'headers' => $headers,
'attachments' => $attached_files,
];
// Get the Form name.
$form_name = acf_maybe_get( $form, 'name' );
/**
* Allow others to filter the Email arguments.
*
* Returning false for any of these filters will skip sending the Email.
*
* @since 0.2.0
*
* @param bool $args The array of arguments.
* @param array $form The array of Form data.
* @param array $action The array of Action data.
*/
$filter = 'acfe/form/v3/submit/' . $this->name . '/email_args';
$args = apply_filters( $filter, $args, $form, $action );
$args = apply_filters( $filter . '/form=' . $form_name, $args, $form, $action );
if ( ! empty( $action['name'] ) ) {
$args = apply_filters( $filter . '/action=' . $action['name'], $args, $form, $action );
}
// --<
return $args;
}
/**
* Sends the Email given a set of arguments.
*
* @since 0.2.0
*
* @param array $args The array of Email arguments.
* @param array $email The array of Email data.
* @return array|bool $args The array of Email arguments, or false on failure.
*/
private function form_email_send( $args, $email ) {
// Define rules for checking Email headers.
$rules = [
[
'args_key' => 'from',
'value_old' => $this->form_email_item_build( $email['from_name'], $email['from_email'] ),
'header_key' => 'From:',
],
[
'args_key' => 'reply_to',
'value_old' => $this->form_email_item_build( $email['reply_to_name'], $email['reply_to_email'] ),
'header_key' => 'Reply-To:',
],
[
'args_key' => 'cc',
'value_old' => $email['cc'],
'header_key' => 'Cc:',
],
[
'args_key' => 'bcc',
'value_old' => $email['bcc'],
'header_key' => 'Bcc:',
],
];
// Check if the Email headers have been changed.
foreach ( $rules as $rule ) {
$check = acf_maybe_get( $args, $rule['args_key'] );
if ( ! empty( $check ) && $check !== $rule['value_old'] ) {
foreach ( $args['headers'] as &$header ) {
if ( stripos( $header, $rule['header_key'] ) !== 0 ) {
continue;
}
// Repair Email header.
$header = $rule['header_key'] . ' ' . $check;
break;
}
}
}
// Send the Email.
$result = wp_mail( $args['to'], $args['subject'], $args['content'], $args['headers'], $args['attachments'] );
if ( false === $result ) {
return false;
}
// --<
return $args;
}
/**
* Builds an Email item according to the specification.
*
* For example "First Last <foo@bar.com>".
*
* @since 0.2.0
*
* @param string $name The name.
* @param string $email The email.
* @return string $item The built item.
*/
private function form_email_item_build( $name, $email ) {
// Init return.
$item = '';
// Parse item from params.
if ( ! empty( $name ) && ! empty( $email ) ) {
$item = sprintf( '%1$s <%2$s>', $name, $email );
} elseif ( ! empty( $email ) ) {
$item = $email;
}
// --<
return $item;
}
/**
* Deletes the Dynamic Attachments.
*
* @since 0.2.0
*
* @param array $attachments The array of Attachments data.
*/
private function form_attachments_delete( $attachments ) {
// Bail if there are none.
if ( ! empty( $attachments['delete_after'] ) ) {
return;
}
// Delete all the Dynamic Attachments.
foreach ( $attachments['delete_after'] as $file_id ) {
wp_delete_attachment( $file_id, true );
}
}
}