users-page.php

<?php
/**
 * Handles added functionality to Users page.
 *
 * @package Civil_Publisher
 */

namespace Civil_Publisher;

/**
 * Enqueue script for Users page.
 */
function users_page_script() {
	if ( get_current_screen()->id !== 'users' ) {
		return;
	}

	wp_enqueue_script(
		'civil-publisher-users-page-script',
		plugins_url( 'build/users-page.build.js', __FILE__ ),
		array( 'wp-edit-post', 'wp-data' ),
		ASSETS_VERSION,
		true
	);
	common_scripts( 'civil-publisher-users-page-script' );
}
if ( is_manager_enabled() ) {
	add_action( 'admin_print_scripts', __NAMESPACE__ . '\users_page_script' );
}

/**
 * Add inline style to Users page.
 */
function users_page_styles() {
	?>
	<style>
		.column-civil_publisher_newsroom_role .spinner {
			background: url(/wp-admin/images/wpspin_light.gif) no-repeat;
			visibility: visible;
			float: none;
			opacity: 0.25;
		}
		.column-civil_publisher_eth_wallet_address {
			white-space: nowrap;
			text-overflow: ellipsis;
			overflow: hidden;
		}
		.column-civil_publisher_eth_wallet_address:hover {
			white-space: normal;
		}
	</style>
	<?php
}
if ( is_manager_enabled() ) {
	add_action( 'admin_head-users.php', __NAMESPACE__ . '\users_page_styles' );
}

/**
 * Set up custom user columns.
 *
 * @param array $columns Array of column name => label.
 * @return array Desired columns.
 */
function user_columns( $columns ) {
	if ( get_option( NEWSROOM_ADDRESS_OPTION_KEY ) ) {
		$columns[ USER_NEWSROOM_ROLE_META_KEY ] = esc_html( 'Civil Role', 'civil' );
	}
	$columns[ USER_ETH_ADDRESS_META_KEY ] = esc_html( 'Wallet Address', 'civil' );
	return $columns;
}
if ( is_manager_enabled() ) {
	add_filter( 'manage_users_columns', __NAMESPACE__ . '\user_columns' );
}

/**
 * Retrieve output for custom user columns.
 *
 * @param string $output Current output of custom column.
 * @param string $column_name Column name.
 * @param int    $user_id ID of currently-listed user.
 *
 * @return string Desired custom column output.
 */
function user_cells( $output, $column_name, $user_id ) {
	switch ( $column_name ) {
		case USER_NEWSROOM_ROLE_META_KEY:
			if ( ! get_option( NEWSROOM_ADDRESS_OPTION_KEY ) || ! get_the_author_meta( USER_ETH_ADDRESS_META_KEY, $user_id ) ) {
				return null;
			}

			// Explicitly check if this meta exists to differentiate from the case where the meta exists but is null, which indicates we've looked up this user on newsroom contract and they don't have a role there. If meta is not set at all, that indicates we haven't yet looked it up, so show spinner while frontend fetches role and saves to meta.
			if ( ! metadata_exists( 'user', $user_id, USER_NEWSROOM_ROLE_META_KEY ) ) {
				return '<span class="spinner"></span>';
			}

			return get_the_author_meta( USER_NEWSROOM_ROLE_META_KEY, $user_id );
			break;

		case USER_ETH_ADDRESS_META_KEY:
			$address = get_the_author_meta( USER_ETH_ADDRESS_META_KEY, $user_id );
			if ( $address ) {
				return sprintf( '<code>%1$s</code>', esc_html( $address ) );
			}
			break;

		default:
	}
	return $output;
}
if ( is_manager_enabled() ) {
	add_filter( 'manage_users_custom_column', __NAMESPACE__ . '\user_cells', 10, 3 );
}