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class-gf-slack.php
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class-gf-slack.php
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<?php
GFForms::include_feed_addon_framework();
/**
* Gravity Forms Slack Add-On.
*
* @since 1.0
* @package GravityForms
* @author Rocketgenius
* @copyright Copyright (c) 2016, Rocketgenius
*/
class GFSlack extends GFFeedAddOn {
/**
* Contains an instance of this class, if available.
*
* @since 1.0
* @access private
* @var object $_instance If available, contains an instance of this class.
*/
private static $_instance = null;
/**
* Defines the version of the Slack Add-On.
*
* @since 1.0
* @access protected
* @var string $_version Contains the version, defined from slack.php
*/
protected $_version = GF_SLACK_VERSION;
/**
* Defines the minimum Gravity Forms version required.
*
* @since 1.0
* @access protected
* @var string $_min_gravityforms_version The minimum version required.
*/
protected $_min_gravityforms_version = '1.9.14.26';
/**
* Defines the plugin slug.
*
* @since 1.0
* @access protected
* @var string $_slug The slug used for this plugin.
*/
protected $_slug = 'gravityformsslack';
/**
* Defines the main plugin file.
*
* @since 1.0
* @access protected
* @var string $_path The path to the main plugin file, relative to the plugins folder.
*/
protected $_path = 'gravityformsslack/slack.php';
/**
* Defines the full path to this class file.
*
* @since 1.0
* @access protected
* @var string $_full_path The full path.
*/
protected $_full_path = __FILE__;
/**
* Defines the URL where this Add-On can be found.
*
* @since 1.0
* @access protected
* @var string The URL of the Add-On.
*/
protected $_url = 'http://www.gravityforms.com';
/**
* Defines the title of this Add-On.
*
* @since 1.0
* @access protected
* @var string $_title The title of the Add-On.
*/
protected $_title = 'Gravity Forms Slack Add-On';
/**
* Defines the short title of the Add-On.
*
* @since 1.0
* @access protected
* @var string $_short_title The short title.
*/
protected $_short_title = 'Slack';
/**
* Defines if Add-On should use Gravity Forms servers for update data.
*
* @since 1.0
* @access protected
* @var bool
*/
protected $_enable_rg_autoupgrade = true;
/**
* Defines the capability needed to access the Add-On settings page.
*
* @since 1.0
* @access protected
* @var string $_capabilities_settings_page The capability needed to access the Add-On settings page.
*/
protected $_capabilities_settings_page = 'gravityforms_slack';
/**
* Defines the capability needed to access the Add-On form settings page.
*
* @since 1.0
* @access protected
* @var string $_capabilities_form_settings The capability needed to access the Add-On form settings page.
*/
protected $_capabilities_form_settings = 'gravityforms_slack';
/**
* Defines the capability needed to uninstall the Add-On.
*
* @since 1.0
* @access protected
* @var string $_capabilities_uninstall The capability needed to uninstall the Add-On.
*/
protected $_capabilities_uninstall = 'gravityforms_slack_uninstall';
/**
* Defines the capabilities needed for the Post Creation Add-On
*
* @since 1.0
* @access protected
* @var array $_capabilities The capabilities needed for the Add-On
*/
protected $_capabilities = array( 'gravityforms_slack', 'gravityforms_slack_uninstall' );
/**
* Contains an instance of the Slack API library, if available.
*
* @since 1.0
* @access protected
* @var object $api If available, contains an instance of the Slack API library.
*/
protected $api = null;
/**
* Get instance of this class.
*
* @access public
* @static
*
* @return GFSlack
*/
public static function get_instance() {
if ( null === self::$_instance ) {
self::$_instance = new self;
}
return self::$_instance;
}
/**
* Plugin starting point. Adds PayPal delayed payment support.
*
* @since 1.3
* @access public
*/
public function init() {
parent::init();
$this->add_delayed_payment_support(
array(
'option_label' => esc_html__( 'Send message to Slack only when payment is received.', 'gravityformsslack' ),
)
);
}
/**
* Add AJAX callbacks.
*
* @since 1.7
* @access public
*/
public function init_ajax() {
parent::init_ajax();
// Add AJAX callback for de-authorizing with Dropbox.
add_action( 'wp_ajax_gfslack_deauthorize', array( $this, 'ajax_deauthorize' ) );
}
/**
* Enqueue admin scripts.
*
* @since 1.7
* @access public
*
* @return array
*/
public function scripts() {
$scripts = array(
array(
'handle' => 'gform_slack_pluginsettings',
'deps' => array( 'jquery' ),
'src' => $this->get_base_url() . '/js/plugin_settings.js',
'version' => $this->_version,
'enqueue' => array(
array(
'admin_page' => array( 'plugin_settings' ),
'tab' => $this->_slug,
),
),
'strings' => array(
'disconnect' => esc_html__( 'Are you sure you want to disconnect from Slack?', 'gravityformsslack' ),
),
),
);
return array_merge( parent::scripts(), $scripts );
}
/**
* Enqueue needed stylesheets.
*
* @since 1.7
* @access public
*
* @return array
*/
public function styles() {
$styles = array(
array(
'handle' => 'gform_slack_pluginsettings',
'src' => $this->get_base_url() . '/css/plugin_settings.css',
'version' => $this->_version,
'enqueue' => array(
array(
'admin_page' => array( 'plugin_settings' ),
'tab' => $this->_slug,
),
),
),
);
return array_merge( parent::styles(), $styles );
}
// # PLUGIN SETTINGS -----------------------------------------------------------------------------------------------
/**
* Maybe save access token.
*
* @since 1.7
* @access public
*
* @uses AccessToken::getToken()
* @uses DropboxAPI::getAuthHelper()
* @uses DropboxApp
* @uses DropboxAuthHelper::getAccessToken()
* @uses GFAddOn::get_plugin_settings()
* @uses GFAddOn::update_plugin_settings()
* @uses GFCommon::add_error_message()
*/
public function plugin_settings_page() {
// If access token is provided, save it.
if ( rgget( 'access_token' ) ) {
// Get current plugin settings.
$settings = $this->get_plugin_settings();
// Add access token to plugin settings.
$settings['auth_token'] = rgget( 'access_token' );
// Get team name.
$settings['team_name'] = $this->get_team_name( $settings['auth_token'] );
// Save plugin settings.
$this->update_plugin_settings( $settings );
}
// If error is provided, display message.
if ( rgget( 'auth_error' ) ) {
// Add error message.
GFCommon::add_error_message( esc_html__( 'Unable to authenticate with Slack.', 'gravityformsslack' ) );
}
return parent::plugin_settings_page();
}
/**
* Setup plugin settings fields.
*
* @since 1.0
* @access public
*
* @uses GFSlack::plugin_settings_description()
*
* @return array
*/
public function plugin_settings_fields() {
return array(
array(
'description' => sprintf(
'<p>%s</p>',
sprintf(
esc_html__( 'Slack provides simple group chat for your team. Use Gravity Forms to alert your Slack channels of a new form submission. If you don\'t have a Slack account, you can %1$s sign up for one here.%2$s', 'gravityformsslack' ),
'<a href="https://www.slack.com/" target="_blank">', '</a>'
)
),
'fields' => array(
array(
'name' => 'auth_token',
'type' => 'auth_token',
'feedback_callback' => array( $this, 'initialize_api' ),
),
array(
'name' => 'team_name',
'type' => 'hidden',
'readonly' => true,
),
array(
'type' => 'save',
'messages' => array(
'success' => esc_html__( 'Slack settings have been updated.', 'gravityformsslack' ),
),
),
),
),
);
}
/**
* Create Generate Auth Token settings field.
*
* @since 1.7
* @access public
*
* @param array $field Field settings.
* @param bool $echo Display field. Defaults to true.
*
* @uses GFSlack::initialize_api()
*
* @return string
*/
public function settings_auth_token( $field, $echo = true ) {
// Initialize return HTML.
$html = '';
// If Slack is authenticated, display de-authorize button.
if ( $this->initialize_api() ) {
// Get account information.
$account = $this->api->auth_test();
$html .= '<p>' . esc_html__( 'Signed into Slack team: ', 'gravityformsslack' );
$html .= sprintf( '%s (%s)', esc_html( $account['team'] ), esc_html( $account['user'] ) );
$html .= '</p>';
$html .= sprintf(
' <a href="#" class="button button-primary" id="gform_slack_deauth_button">%1$s</a>',
esc_html__( 'Disconnect Slack', 'gravityformsslack' )
);
} else {
// Prepare authorization URL.
$settings_url = urlencode( admin_url( 'admin.php?page=gf_settings&subview=' . $this->_slug ) );
$auth_url = add_query_arg( array( 'redirect_to' => $settings_url ), 'https://www.gravityhelp.com/wp-json/gravityapi/v1/auth/slack' );
$html .= sprintf(
'<a href="%2$s" class="button button-primary" id="gform_slack_auth_button">%1$s</a>',
esc_html__( 'Connect to Slack', 'gravityformsslack' ),
$auth_url
);
}
if ( $echo ) {
echo $html;
}
return $html;
}
/**
* Deauthorize with Slack.
*
* @since 1.7
* @access public
*
* @uses GFAddOn::get_plugin_settings()
* @uses GFAddOn::log_debug()
* @uses GFAddOn::log_error()
* @uses GFAddOn::update_plugin_settings()
* @uses GFSlack::initialize_api()
* @uses GF_Slack_API::auth_revoke()
*/
public function ajax_deauthorize() {
// Get plugin settings.
$settings = $this->get_plugin_settings();
// Initialize Slack API.
$this->initialize_api();
try {
// Revoke access token.
$revoke = $this->api->auth_revoke();
// Send JSON based on revoke response.
if ( rgar( $revoke, 'ok' ) ) {
// Log that we revoked the access token.
$this->log_debug( __METHOD__ . '(): Access token revoked.' );
// Reset settings.
$settings = array();
// Save settings.
$this->update_plugin_settings( $settings );
// Return success response.
wp_send_json_success();
} else {
// Log that we could not revoke the access token.
$this->log_error( __METHOD__ . '(): Unable to revoke access token; '. rgar( $revoke, 'error' ) );
// Return error response.
wp_send_json_error( array( 'message' => esc_html__( 'Unable to de-authorize with Slack.', 'gravityformsslack' ) ) );
}
} catch ( \Exception $e ) {
// Log that we could not revoke the access token.
$this->log_error( __METHOD__ . '(): Unable to revoke access token; '. $e->getMessage() );
// Return error response.
wp_send_json_error( array( 'message' => $e->getMessage() ) );
}
}
// # FEED SETTINGS -------------------------------------------------------------------------------------------------
/**
* Setup fields for feed settings.
*
* @since 1.0
* @access public
*
* @uses GFFeedAddOn::get_default_feed_name()
* @uses GFSlack::channels_for_feed_setting()
* @uses GFSlack::fileupload_fields_for_feed_setting()
* @uses GFSlack::groups_for_feed_setting()
* @uses GFSlack::send_to_for_feed_setting()
* @uses GFSlack::tooltip_for_feed_setting()
* @uses GFSlack::users_for_feed_setting()
*
* @return array $settings
*/
public function feed_settings_fields() {
$settings = array(
array(
'fields' => array(
array(
'name' => 'feed_name',
'label' => esc_html__( 'Name', 'gravityformsslack' ),
'type' => 'text',
'class' => 'medium',
'required' => true,
'tooltip' => $this->tooltip_for_feed_setting( 'feed_name' ),
'default_value' => $this->get_default_feed_name(),
),
array(
'name' => 'action',
'label' => esc_html__( 'Action', 'gravityformsslack' ),
'type' => 'radio',
'required' => true,
'onchange' => "jQuery(this).parents('form').submit();",
'choices' => $this->action_for_feed_setting(),
),
array(
'name' => 'email',
'label' => esc_html__( 'Email Address', 'gravityformsslack' ),
'type' => 'field_select',
'required' => true,
'tooltip' => $this->tooltip_for_feed_setting( 'email' ),
'dependency' => array( 'field' => 'action', 'values' => array( 'invite' ) ),
'args' => array( 'input_types' => array( 'email' ) ),
),
array(
'name' => 'first_name',
'label' => esc_html__( 'First Name', 'gravityformsslack' ),
'type' => 'field_select',
'dependency' => array( 'field' => 'action', 'values' => array( 'invite' ) ),
),
array(
'name' => 'last_name',
'label' => esc_html__( 'Last Name', 'gravityformsslack' ),
'type' => 'field_select',
'dependency' => array( 'field' => 'action', 'values' => array( 'invite' ) ),
),
array(
'name' => 'channels[]',
'label' => esc_html__( 'Slack Channels', 'gravityformsslack' ),
'type' => 'select',
'class' => 'medium',
'choices' => $this->channels_for_feed_setting( false ),
'multiple' => true,
'dependency' => array( 'field' => 'action', 'values' => array( 'invite' ) ),
),
array(
'name' => 'send_to',
'label' => esc_html__( 'Send To', 'gravityformsslack' ),
'type' => 'radio',
'required' => true,
'onchange' => "jQuery(this).parents('form').submit();",
'choices' => $this->send_to_for_feed_setting(),
'tooltip' => $this->tooltip_for_feed_setting( 'send_to' ),
'dependency' => array( 'field' => 'action', 'values' => array( 'message' ) ),
),
array(
'name' => 'channel',
'label' => esc_html__( 'Slack Channel', 'gravityformsslack' ),
'type' => 'select',
'required' => true,
'choices' => $this->channels_for_feed_setting(),
'tooltip' => $this->tooltip_for_feed_setting( 'channel' ),
'dependency' => array( 'field' => 'send_to', 'values' => array( 'channel' ) ),
),
array(
'name' => 'group',
'label' => esc_html__( 'Slack Private Group', 'gravityformsslack' ),
'type' => 'select',
'required' => true,
'choices' => $this->groups_for_feed_setting(),
'tooltip' => $this->tooltip_for_feed_setting( 'group' ),
'dependency' => array( 'field' => 'send_to', 'values' => array( 'group' ) ),
),
array(
'name' => 'user',
'label' => esc_html__( 'Slack User', 'gravityformsslack' ),
'type' => 'select',
'required' => true,
'choices' => $this->users_for_feed_setting(),
'tooltip' => $this->tooltip_for_feed_setting( 'user' ),
'dependency' => array( 'field' => 'send_to', 'values' => array( 'user' ) ),
),
array(
'name' => 'message',
'label' => esc_html__( 'Message', 'gravityformsslack' ),
'type' => 'textarea',
'required' => true,
'class' => 'medium merge-tag-support mt-position-right mt-hide_all_fields',
'tooltip' => $this->tooltip_for_feed_setting( 'message' ),
'value' => 'Entry #{entry_id} ({entry_url}) has been added.',
'dependency' => array( 'field' => 'send_to', 'values' => array( '_notempty_' ) ),
),
),
),
);
$fileupload_fields_for_feed = $this->fileupload_fields_for_feed_setting();
if ( ! empty( $fileupload_fields_for_feed ) ) {
$settings[0]['fields'][] = array(
'name' => 'attachments',
'type' => 'checkbox',
'label' => __( 'Image Attachments', 'gravityformsslack' ),
'choices' => $fileupload_fields_for_feed,
'tooltip' => $this->tooltip_for_feed_setting( 'attachments' ),
'dependency' => array( 'field' => 'send_to', 'values' => array( '_notempty_' ) ),
);
}
$settings[0]['fields'][] = array(
'name' => 'feed_condition',
'label' => esc_html__( 'Conditional Logic', 'gravityformsslack' ),
'type' => 'feed_condition',
'checkbox_label' => esc_html__( 'Enable', 'gravityformsslack' ),
'instructions' => esc_html__( 'Post to Slack if', 'gravityformsslack' ),
'tooltip' => $this->tooltip_for_feed_setting( 'feed_condition' ),
'dependency' => array( 'field' => 'action', 'values' => array( '_notempty_' ) ),
);
return $settings;
}
/**
* Get feed tooltip.
*
* @since 1.0
* @access public
*
* @param string $field Field name.
*
* @return string
*/
public function tooltip_for_feed_setting( $field ) {
// Setup tooltip array.
$tooltips = array();
// Feed Name.
$tooltips['feed_name'] = '<h6>'. esc_html__( 'Name', 'gravityformsslack' ) .'</h6>';
$tooltips['feed_name'] .= esc_html__( 'Enter a feed name to uniquely identify this setup.', 'gravityformsslack' );
// Send To.
$tooltips['send_to'] = '<h6>'. esc_html__( 'Send To', 'gravityformsslack' ) .'</h6>';
$tooltips['send_to'] .= esc_html__( 'Select what type of channel Slack will send the message to: a public channel, a private group or an IM channel.', 'gravityformsslack' );
// Email Address.
$tooltips['email'] = '<h6>'. esc_html__( 'Email Address', 'gravityformsslack' ) .'</h6>';
$tooltips['email'] .= esc_html__( 'Select what email field will be used to send the Slack invite.', 'gravityformsslack' );
// Channel.
$tooltips['channel'] = '<h6>'. esc_html__( 'Slack Channel', 'gravityformsslack' ) .'</h6>';
$tooltips['channel'] .= esc_html__( 'Select which Slack channel this feed will post a message to.', 'gravityformsslack' );
// Private Group.
$tooltips['group'] = '<h6>'. esc_html__( 'Slack Private Group', 'gravityformsslack' ) .'</h6>';
$tooltips['group'] .= esc_html__( 'Select which Slack private group this feed will post a message to.', 'gravityformsslack' );
// User.
$tooltips['user'] = '<h6>'. esc_html__( 'Slack User', 'gravityformsslack' ) .'</h6>';
$tooltips['user'] .= esc_html__( 'Select which Slack user this feed will post a message to.', 'gravityformsslack' );
// Message.
$tooltips['message'] = '<h6>'. __( 'Message', 'gravityformsslack' ) .'</h6>';
$tooltips['message'] .= esc_html__( 'Enter the message that will be posted to the room.', 'gravityformsslack' ) . '<br /><br />';
$tooltips['message'] .= '<strong>'. __( 'Available formatting:', 'gravityformsslack' ) .'</strong><br />';
$tooltips['message'] .= '<strong>*asterisks*</strong> to create bold text<br />';
$tooltips['message'] .= '<em>_underscores_</em> to italicize text<br /><br />';
$tooltips['message'] .= '<strong>></strong> to indent a single line<br />';
$tooltips['message'] .= '<strong>>>></strong> to indent multiple paragraphs<br /><br />';
$tooltips['message'] .= '<strong>`single backticks`</strong> display as inline fixed-width text<br />';
$tooltips['message'] .= '<strong>```triple backticks```</strong> create a block of pre-formatted, fixed-width text';
// Image Attachment.
$tooltips['attachments'] = '<h6>'. esc_html__( 'Image Attachments', 'gravityformsslack' ) .'</h6>';
$tooltips['attachments'] .= esc_html__( 'Select which file upload fields will be attached to the Slack message. Only image files will be attached.', 'gravityformsslack' );
// Feed Condition.
$tooltips['feed_condition'] = '<h6>'. esc_html__( 'Conditional Logic', 'gravityformsslack' ) .'</h6>';
$tooltips['feed_condition'] .= esc_html__( 'When conditional logic is enabled, form submissions will only be posted to Slack when the condition is met. When disabled, all form submissions will be posted.', 'gravityformsslack' );
// Return desired tooltip.
return $tooltips[ $field ];
}
/**
* Get Slack action types for feed settings field.
*
* @since 1.4
* @access public
*
* @uses GFSlack::can_invite_to_team()
*
* @return array
*/
public function action_for_feed_setting() {
// Initialize actions.
$actions = array(
array(
'label' => esc_html__( 'Send Message', 'gravityformsslack' ),
'value' => 'message',
'icon' => 'fa-comment',
),
);
// If API user is an admin, add invite action.
if ( $this->can_invite_to_team() ) {
$actions[] = array(
'label' => esc_html__( 'Invite to Team', 'gravityformsslack' ),
'value' => 'invite',
'icon' => 'fa-users',
);
}
return $actions;
}
/**
* Get Slack channel types for feed settings field.
*
* @since 1.0
* @access public
*
* @return array
*/
public function send_to_for_feed_setting() {
return array(
array(
'label' => esc_html__( 'Public Channel', 'gravityformsslack' ),
'value' => 'channel',
'icon' => 'fa-hashtag',
),
array(
'label' => esc_html__( 'Private Group', 'gravityformsslack' ),
'value' => 'group',
'icon' => 'fa-users',
),
array(
'label' => esc_html__( 'Direct Message', 'gravityformsslack' ),
'value' => 'user',
'icon' => 'fa-user-secret',
),
);
}
/**
* Get Slack channels for feed settings field.
*
* @since 1.0
* @access public
*
* @param bool $include_initital Include initital "Select a Channel" choice.
*
* @uses GFSlack::initialize_api()
* @uses GF_Slack_API::get_channels()
*
* @return array
*/
public function channels_for_feed_setting( $include_initial = true ) {
// Initialize choices array.
$choices = array();
// Add initial choice.
if ( $include_initial ) {
$choices[] = array(
'label' => esc_html__( 'Select a Channel', 'gravityformsslack' ),
'value' => '',
);
}
// If Slack API instance is not initialized, return choices.
if ( ! $this->initialize_api() ) {
return $choices;
}
// Get the channels.
$channels = $this->api->get_channels();
// Add lists to the choices array.
if ( rgar( $channels, 'channels' ) && ! empty( $channels['channels'] ) ) {
foreach ( $channels['channels'] as $channel ) {
$choices[] = array(
'label' => $channel['name'],
'value' => $channel['id'],
);
}
}
return $choices;
}
/**
* Get Slack groups for feed settings field.
*
* @since 1.0
* @access public
*
* @uses GFSlack::initialize_api()
* @uses GF_Slack_API::get_groups()
*
* @return array
*/
public function groups_for_feed_setting() {
// Setup choices array.
$choices = array(
array(
'label' => esc_html__( 'Select a Group', 'gravityformsslack' ),
'value' => '',
),
);
// If Slack API instance is not initialized, return choices.
if ( ! $this->initialize_api() ) {
return $choices;
}
// Get the channels.
$groups = $this->api->get_groups();
// Add lists to the choices array.
if ( rgar( $groups, 'groups' ) && ! empty( $groups['groups'] ) ) {
foreach ( $groups['groups'] as $group ) {
$choices[] = array(
'label' => $group['name'],
'value' => $group['id'],
);
}
}
return $choices;
}
/**
* Get Slack users for feed settings field.
*
* @since 1.0
* @access public
*
* @uses GFSlack::initialize_api()
* @uses GF_Slack_API::get_users()
*
* @return array
*/
public function users_for_feed_setting() {
// Setup choices array.
$choices = array(
array(
'label' => esc_html__( 'Select a User', 'gravityformsslack' ),
'value' => '',
),
);
// If Slack API instance is not initialized, return choices.
if ( ! $this->initialize_api() ) {
return $choices;
}
// Setup choices array.
$choices = array();
// Get the channels.
$users = $this->api->get_users();
// Add lists to the choices array.
if ( rgar( $users, 'members' ) && ! empty( $users['members'] ) ) {
foreach ( $users['members'] as $user ) {
$choices[] = array(
'label' => $user['name'],
'value' => $user['id'],
);
}
}
return $choices;
}
/**
* Get file upload fields for feed settings field.
*
* @since 1.0
* @access public
*
* @uses GFAPI::get_form()
* @uses GFCommon::get_fields_by_type()
*
* @return array
*/
public function fileupload_fields_for_feed_setting() {
// Setup choices array.
$choices = array();
// Get the form file fields.
$form = GFAPI::get_form( rgget( 'id' ) );
$file_fields = GFCommon::get_fields_by_type( $form, array( 'fileupload' ) );
if ( ! empty( $file_fields ) ) {
foreach ( $file_fields as $field ) {
$choices[] = array(
'name' => 'attachments[' . $field->id . ']',
'label' => $field->label,
'default_value' => 0,
);
}
}
return $choices;
}
/**
* Set feed creation control.
*
* @since 1.0
* @access public
*
* @uses GFSlack::initialize_api()
*
* @return bool
*/
public function can_create_feed() {
return $this->initialize_api();
}
/**
* Enable feed duplication.
*
* @since 1.0
* @access public
* @param int $feed_id Feed ID requesting duplication ability.
*
* @return bool
*/
public function can_duplicate_feed( $feed_id ) {
return true;
}
// # FEED LIST -----------------------------------------------------------------------------------------------------
/**
* Setup columns for feed list table.
*
* @since 1.0
* @access public
*
* @return array
*/
public function feed_list_columns() {
return array(
'feed_name' => esc_html__( 'Name', 'gravityformsslack' ),
'action' => esc_html__( 'Action', 'gravityformsslack' ),
'send_to' => esc_html__( 'Send To', 'gravityformsslack' ),
);
}
/**
* Get value for action feed list column.
*
* @since 1.0
* @access public