Changeset 3140556

Timestamp:

08/23/2024 08:20:37 PM (19 months ago)

Author:

mdawaffe

Message:

Ability to opt in to or opt out of one post's diff emails.

Incomplete.

File:

• email-post-changes/trunk/class.email-post-changes.php (modified) (7 diffs)

email-post-changes/trunk/class.email-post-changes.php

@@ -12 +12 @@
     const OPTION_GROUP = 'email_post_changes';
     const OPTION = 'email_post_changes';
+    const META_KEY = '_epc_user_override';
 
     static function init() {
@@ -39 +40 @@
             add_action( 'admin_menu', array( $this, 'admin_menu' ), 115 );
         }
+
+        register_post_meta( '', self::META_KEY, [
+            'type' => 'string',
+            'description' => 'A per-user, per-post setting determining if the user should receive emails for changes to the post. Values look like `{(int) $user_id}:{(int) $should_receive_changes}.',
+            'single' => false,
+            'show_in_rest' => false,
+            'revisions_enabled' => false,
+        ] );
     }
 
@@ -60 +69 @@
 
         return wp_parse_args( $options, $this->defaults );
+    }
+
+    /**
+     * @param int $post_id
+     * @return array<int, bool> Keys are User IDs, values are whether that user wants to receive changes for the given post.
+     */
+    function get_post_overrides( $post_id ) {
+        $overrides = get_post_meta( $post_id, self::META_KEY, false );
+
+        $return = [];
+        foreach ( $overrides as $override ) {
+            [ $user_id, $value ] = explode( ':', $override );
+            $return[$user_id] = (bool) $value;
+        }
+
+        return $return;
+    }
+
+    /**
+     * @param int $user_id
+     * @return array<int, bool> Keys are Post IDs, values are whether the given user wants to receive changes for that post.
+     */
+    function get_user_overrides( $user_id ) {
+        $query = new WP_Query;
+
+        $posts = $query->query( [
+            'meta_key' => self::META_KEY,
+            'meta_value' => "{$user_id}:.*",
+            'meta_compare' => 'REGEXP',
+            'post_type' => 'any',
+            'post_status' => 'any',
+            'posts_per_page' => -1,
+        ] );
+
+        $return = [];
+        foreach ( $posts as $post ) {
+            $return[$post->ID] = $this->get_post_user_override( $post->ID, $user_id );
+        }
+
+        return $return;
+    }
+
+    function get_post_user_override( $post_id, $user_id ) {
+        $overrides = $this->get_post_overrides( $post_id );
+        foreach ( $overrides as $override_user_id => $override ) {
+            if ( $override_user_id === $user_id ) {
+                return $override;
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * @param int $post_id
+     * @param int $user_id
+     * @param bool|null $override Null to delete, bool to set.
+     */
+    function set_post_user_override( $post_id, $user_id, $override ) {
+        $current_override = $this->get_post_user_override( $post_id, $user_id );
+
+        if ( $current_override === $override ) {
+            return;
+        }
+
+        if ( null === $override ) {
+            delete_post_meta( $post_id, self::META_KEY, "{$user_id}:{ (int) $current_override }" );
+            return;
+        }
+
+        if ( null === $current_override ) {
+            add_post_meta( $post_id, self::META_KEY, "{$user_id}:{ $override ? 1 : 0 }", false );
+        } else {
+            update_post_meta( $post_id, self::META_KEY, "{$user_id}:{ $override ? 1 : 0 }", "{$user_id}:{ (int) $current_override }" );
+        }
     }
 
@@ -150 +234 @@
         add_action( 'phpmailer_init', array( $this, 'phpmailer_init' ) );
 
+        $overrides = $this->get_post_overrides( $this->right_post->ID );
+
+        $opt_ins = array_keys( array_filter( $overrides ) );
+        $opt_outs = array_diff( array_keys( $overrides ), $opt_ins );
+
+        $user_ids = array_diff( $options['users'], $opt_outs );
+        $user_ids = array_merge( $user_ids, $opt_ins );
+
         $user_emails = array();
-        foreach( $options['users'] as $user_id ) {
+        foreach( $user_ids as $user_id ) {
             if ( function_exists( 'is_multisite' ) && is_multisite() ) {
-                if ( is_user_member_of_blog( $user_id, get_current_blog_id() ) )
+                if ( is_user_member_of_blog( $user_id, get_current_blog_id() ) ) {
                     $user_emails[] = get_user_option( 'user_email', $user_id );
+                }
             } else {
-                if ( $user_email = get_user_option( 'user_email', $user_id ) )
+                if ( $user_email = get_user_option( 'user_email', $user_id ) ) {
                     $user_emails[] = $user_email;
+                }
             }
         }
@@ -286 +380 @@
         register_setting( self::OPTION_GROUP, self::OPTION, array( $this, 'validate_options' ) );
 
+        $current_user = wp_get_current_user();
+
         add_settings_section( self::ADMIN_PAGE, __( 'Email Post Changes' ), array( $this, 'settings_section' ), self::ADMIN_PAGE );
         add_settings_field( self::ADMIN_PAGE . '_enable', __( 'Enable' ), array( $this, 'enable_setting' ), self::ADMIN_PAGE, self::ADMIN_PAGE );
@@ -292 +388 @@
         add_settings_field( self::ADMIN_PAGE . '_post_types', __( 'Post Types' ), array( $this, 'post_types_setting' ), self::ADMIN_PAGE, self::ADMIN_PAGE );
         add_settings_field( self::ADMIN_PAGE . '_drafts', __( 'Drafts' ), array( $this, 'drafts_setting' ), self::ADMIN_PAGE, self::ADMIN_PAGE );
+        add_settings_field( self::ADMIN_PAGE . '_exceptions', sprintf( __( 'Post Exceptions for %s' ), $current_user->display_name ), array( $this, 'overrides_setting' ), self::ADMIN_PAGE, self::ADMIN_PAGE );
 
         $hook = add_options_page( __( 'Email Post Changes' ), __( 'Email Post Changes' ), 'manage_options', self::ADMIN_PAGE, array( $this, 'admin_page' ) );
@@ -493 +590 @@
     }
 
+    function overrides_setting() {
+        $options = $this->get_options();
+
+        $is_active = in_array( get_current_user_id(), $options['users'], false );
+
+        $description = $is_active
+            ? __( 'Your user account currently receives post changes via email. You can turn off those emails for specific posts below.' )
+            : __( 'Your user account currently does not receive post changes via email. You can turn on those emails for specific posts below.' );
+
+        ?>
+        <p class="description"><?php echo esc_html( $description ); ?></p>
+        <ul>
+
+        <?php // TODO - real UI
+        foreach ( $this->get_user_overrides( get_current_user_id() ) as $post_id => $override ) {
+            ?>
+            <li><?php echo get_the_title( $post_id ); ?></li>
+            <?php
+        }
+    }
+
     function wp_text_diff( $left_string, $right_string, $args = null ) {
         $defaults = array( 'title' => '', 'title_left' => '', 'title_right' => '' );