From 4018af61acbc8a952355a5b138808618de3efc26 Mon Sep 17 00:00:00 2001
From: Adam Boro <adam@adamboro.com>
Date: Thu, 3 Nov 2022 17:35:26 +0100
Subject: [PATCH] feat: enable setting user custom fields for job title etc.
 (#2102)

Closes #1723
---
 .../authors/class-authors-custom-fields.php   | 144 ++++++++++++++++++
 includes/class-newspack.php                   |   1 +
 2 files changed, 145 insertions(+)
 create mode 100644 includes/authors/class-authors-custom-fields.php

diff --git a/includes/authors/class-authors-custom-fields.php b/includes/authors/class-authors-custom-fields.php
new file mode 100644
index 0000000000..1497642d44
--- /dev/null
+++ b/includes/authors/class-authors-custom-fields.php
@@ -0,0 +1,144 @@
+<?php
+/**
+ * Newspack Authors Custom Fields functionality.
+ *
+ * @package Newspack
+ */
+
+namespace Newspack;
+
+defined( 'ABSPATH' ) || exit;
+
+/**
+ * Newspack Authors Custom Fields class.
+ */
+final class Authors_Custom_Fields {
+	const USER_META_NAMES = [
+		'job_title'    => 'newspack_job_title',
+		'role'         => 'newspack_role',
+		'employer'     => 'newspack_employer',
+		'phone_number' => 'newspack_phone_number',
+	];
+
+	/**
+	 * Initialize hooks.
+	 */
+	public static function init() {
+		\add_action( 'edit_user_profile', [ __CLASS__, 'edit_user_profile' ] );
+		\add_action( 'show_user_profile', [ __CLASS__, 'edit_user_profile' ] );
+		\add_action( 'edit_user_profile_update', [ __CLASS__, 'edit_user_profile_update' ] );
+		\add_action( 'personal_options_update', [ __CLASS__, 'edit_user_profile_update' ] );
+		\add_filter( 'newspack_author_bio_name', [ __CLASS__, 'newspack_author_bio_name' ], 10, 2 );
+		\add_filter( 'coauthors_guest_author_fields', [ __CLASS__, 'coauthors_guest_author_fields' ], 10, 2 );
+	}
+
+	/**
+	 * Save custom fields.
+	 *
+	 * @param int $user_id User ID.
+	 */
+	public static function edit_user_profile_update( $user_id ) {
+		foreach ( self::get_custom_fields() as $field ) {
+			if ( isset( $_POST[ $field['name'] ] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing
+				\update_user_meta( $user_id, $field['name'], sanitize_text_field( $_POST[ $field['name'] ] ) ); // phpcs:ignore WordPress.Security.NonceVerification.Missing
+			}
+		}
+	}
+
+	/**
+	 * Get custom profile fields list.
+	 */
+	public static function get_custom_fields() {
+		$default_fields = [
+			[
+				'name'  => self::USER_META_NAMES['job_title'],
+				'label' => __( 'Job Title', 'newspack' ),
+			],
+			[
+				'name'  => self::USER_META_NAMES['role'],
+				'label' => __( 'Role', 'newspack' ),
+			],
+			[
+				'name'  => self::USER_META_NAMES['employer'],
+				'label' => __( 'Employer/Organization', 'newspack' ),
+			],
+			[
+				'name'  => self::USER_META_NAMES['phone_number'],
+				'label' => __( 'Phone number', 'newspack' ),
+			],
+		];
+		return apply_filters( 'newspack_authors_custom_fields', $default_fields );
+	}
+
+	/**
+	 * Add user profile fields.
+	 *
+	 * @param WP_User $user The current WP_User object.
+	 */
+	public static function edit_user_profile( $user ) {
+		?>
+		<div class="newspack-author-custom-fields">
+			<h2><?php echo esc_html__( 'Additional user profile fields', 'newspack' ); ?></h2>
+			<p><?php echo esc_html__( 'These fields will be displayed by Newspack.', 'newspack' ); ?></p>
+			<table class="form-table" role="presentation">
+				<?php foreach ( self::get_custom_fields() as $field ) : ?>
+					<tr class="user-<?php echo esc_attr( $field['name'] ); ?>-wrap">
+						<th>
+							<label for="<?php echo esc_attr( $field['name'] ); ?>"><?php echo esc_html( $field['label'] ); ?></label>
+						</th>
+						<td>
+							<input
+								type="text"
+								name="<?php echo esc_attr( $field['name'] ); ?>"
+								id="<?php echo esc_attr( $field['name'] ); ?>"
+								value="<?php echo esc_attr( \get_user_meta( $user->ID, $field['name'], true ) ); ?>"
+								class="regular-text"
+							/>
+						</td>
+					</tr>
+				<?php endforeach; ?>
+			</table>
+		</div>
+		<?php
+	}
+
+	/**
+	 * Add custom fields to the author footer in the Newspack theme.
+	 *
+	 * @param string $author_name string The author name.
+	 * @param int    $author_id string The author ID.
+	 */
+	public static function newspack_author_bio_name( $author_name, $author_id ) {
+		$job_title = \get_user_meta( $author_id, self::USER_META_NAMES['job_title'], true );
+
+		// Try a Co-Authors Plus field.
+		if ( empty( $job_title ) ) {
+			$job_title = \get_post_meta( $author_id, 'cap-' . self::USER_META_NAMES['job_title'], true );
+		}
+
+		if ( ! empty( $job_title ) ) {
+			$author_name .= '<span class="author-job-title">' . $job_title . '</span>';
+		}
+		return $author_name;
+	}
+
+	/**
+	 * Add custom fields to the Co-Authors Plus guest author form.
+	 *
+	 * @param array $fields Fields.
+	 * @param array $groups Queried groups.
+	 */
+	public static function coauthors_guest_author_fields( $fields, $groups ) {
+		if ( in_array( 'about', $groups ) || in_array( 'all', $groups ) ) {
+			foreach ( self::get_custom_fields() as $custom_field ) {
+				$fields[] = [
+					'key'   => $custom_field['name'],
+					'label' => $custom_field['label'],
+					'group' => 'about',
+				];
+			}
+		}
+		return $fields;
+	}
+}
+Authors_Custom_Fields::init();
diff --git a/includes/class-newspack.php b/includes/class-newspack.php
index ac014ab236..332fda5466 100644
--- a/includes/class-newspack.php
+++ b/includes/class-newspack.php
@@ -98,6 +98,7 @@ private function includes() {
 		include_once NEWSPACK_ABSPATH . 'includes/class-blocks.php';
 		include_once NEWSPACK_ABSPATH . 'includes/class-meta-pixel.php';
 		include_once NEWSPACK_ABSPATH . 'includes/revisions-control/class-revisions-control.php';
+		include_once NEWSPACK_ABSPATH . 'includes/authors/class-authors-custom-fields.php';
 
 		include_once NEWSPACK_ABSPATH . 'includes/optional-modules/class-rss.php';