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| 1 | <?php |
| 2 | /** |
| 3 | * The shared placement section of Settings > Sharing. |
| 4 | * |
| 5 | * @package automattic/jetpack-sharing-likes |
| 6 | */ |
| 7 | |
| 8 | declare( strict_types = 1 ); |
| 9 | |
| 10 | namespace Automattic\Jetpack\Sharing_Likes\Settings; |
| 11 | |
| 12 | /** |
| 13 | * Renders "Show buttons on", which governs where sharing buttons, Like buttons, |
| 14 | * and Jetpack's Comment Likes appear. Its own section because it belongs to no feature alone. |
| 15 | */ |
| 16 | final class Placement_Section { |
| 17 | |
| 18 | /** |
| 19 | * Anchor the feature sections link to. |
| 20 | */ |
| 21 | public const ANCHOR = 'jetpack-sharing-placement'; |
| 22 | |
| 23 | /** |
| 24 | * Identifies the Sharing buttons section to `render_summary()`. |
| 25 | */ |
| 26 | public const FEATURE_SHARING = 'sharing'; |
| 27 | |
| 28 | /** |
| 29 | * Identifies the Like buttons section to `render_summary()`. |
| 30 | */ |
| 31 | public const FEATURE_LIKES = 'likes'; |
| 32 | |
| 33 | /** |
| 34 | * Identifies the Comment Likes section to `render_summary()`. |
| 35 | */ |
| 36 | public const FEATURE_COMMENT_LIKES = 'comment-likes'; |
| 37 | |
| 38 | /** |
| 39 | * Where a feature's buttons currently appear, stated inside that feature's |
| 40 | * own section. |
| 41 | * |
| 42 | * This setting governs several features but lives in none, so each section |
| 43 | * says what it means for that feature and links here to change it. It also |
| 44 | * surfaces a placement that hides the buttons entirely, which is otherwise |
| 45 | * only visible on this section further down the page. |
| 46 | * |
| 47 | * Each feature gets a complete sentence: interpolating the feature name into |
| 48 | * a shared one does not translate. |
| 49 | * |
| 50 | * @param string $feature One of the FEATURE_* constants. |
| 51 | */ |
| 52 | public static function render_summary( string $feature ): void { |
| 53 | $labels = array_map( array( __CLASS__, 'label_for' ), self::selected_post_types() ); |
| 54 | |
| 55 | if ( $labels === array() ) { |
| 56 | $nowhere = array( |
| 57 | self::FEATURE_SHARING => __( 'Sharing buttons are currently not shown anywhere.', 'jetpack-sharing-likes' ), |
| 58 | self::FEATURE_LIKES => __( 'Like buttons are currently not shown anywhere.', 'jetpack-sharing-likes' ), |
| 59 | self::FEATURE_COMMENT_LIKES => __( 'Comment Likes are currently not shown anywhere.', 'jetpack-sharing-likes' ), |
| 60 | ); |
| 61 | $summary = $nowhere[ $feature ] ?? $nowhere[ self::FEATURE_SHARING ]; |
| 62 | } else { |
| 63 | $somewhere = array( |
| 64 | /* translators: %s: comma-separated list of places, for example "Posts, Pages". */ |
| 65 | self::FEATURE_SHARING => __( 'Sharing buttons currently appear on: %s.', 'jetpack-sharing-likes' ), |
| 66 | /* translators: %s: comma-separated list of places, for example "Posts, Pages". */ |
| 67 | self::FEATURE_LIKES => __( 'Like buttons currently appear on: %s.', 'jetpack-sharing-likes' ), |
| 68 | /* translators: %s: comma-separated list of places, for example "Posts, Pages". */ |
| 69 | self::FEATURE_COMMENT_LIKES => __( 'Comment Likes currently appear on comments on: %s.', 'jetpack-sharing-likes' ), |
| 70 | ); |
| 71 | $summary = sprintf( $somewhere[ $feature ] ?? $somewhere[ self::FEATURE_SHARING ], implode( ', ', $labels ) ); |
| 72 | } |
| 73 | |
| 74 | printf( |
| 75 | '<p class="description">%1$s <a href="#%2$s">%3$s</a></p>', |
| 76 | esc_html( $summary ), |
| 77 | esc_attr( self::ANCHOR ), |
| 78 | esc_html__( 'Change where they appear', 'jetpack-sharing-likes' ) |
| 79 | ); |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * Every place the buttons can appear: `index` for the front page, archives and search, then public post types. |
| 84 | * |
| 85 | * @return string[] |
| 86 | */ |
| 87 | public static function choices(): array { |
| 88 | $choices = array_values( get_post_types( array( 'public' => true ) ) ); |
| 89 | array_unshift( $choices, 'index' ); |
| 90 | |
| 91 | return $choices; |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * Render the section. |
| 96 | */ |
| 97 | public static function render(): void { |
| 98 | $shown = self::selected_post_types(); |
| 99 | |
| 100 | $choices = self::choices(); |
| 101 | ?> |
| 102 | <div class="jetpack-sharing-settings__section" id="<?php echo esc_attr( self::ANCHOR ); ?>"> |
| 103 | <h2><?php echo esc_html( self::heading() ); ?></h2> |
| 104 | <?php ob_start(); ?> |
| 105 | <table class="form-table"> |
| 106 | <tbody> |
| 107 | <?php |
| 108 | /** |
| 109 | * Filters the HTML at the beginning of the "Show button on" row. |
| 110 | * |
| 111 | * @module sharedaddy |
| 112 | * |
| 113 | * @since jetpack-2.1.0 |
| 114 | * |
| 115 | * @param string $var Opening HTML tag at the beginning of the "Show button on" row. |
| 116 | */ |
| 117 | echo apply_filters( 'sharing_show_buttons_on_row_start', '<tr valign="top">' ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
| 118 | ?> |
| 119 | <th scope="row"></th> |
| 120 | <td> |
| 121 | <fieldset> |
| 122 | <legend class="screen-reader-text"><span><?php echo esc_html( self::heading() ); ?></span></legend> |
| 123 | <?php foreach ( $choices as $choice ) : ?> |
| 124 | <label> |
| 125 | <input type="checkbox" name="show[]" value="<?php echo esc_attr( $choice ); ?>" <?php checked( in_array( $choice, $shown, true ) ); ?> /> |
| 126 | <?php echo esc_html( self::label_for( $choice ) ); ?> |
| 127 | </label><br /> |
| 128 | <?php endforeach; ?> |
| 129 | </fieldset> |
| 130 | </td> |
| 131 | <?php |
| 132 | /** |
| 133 | * Filters the HTML at the end of the "Show button on" row. |
| 134 | * |
| 135 | * @module sharedaddy |
| 136 | * |
| 137 | * @since jetpack-2.1.0 |
| 138 | * |
| 139 | * @param string $var Closing HTML tag at the end of the "Show button on" row. |
| 140 | */ |
| 141 | echo apply_filters( 'sharing_show_buttons_on_row_end', '</tr>' ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
| 142 | ?> |
| 143 | </tbody> |
| 144 | </table> |
| 145 | <?php Settings_Form::render_fields( Settings_Form::SECTION_PLACEMENT, (string) ob_get_clean() ); ?> |
| 146 | </div> |
| 147 | <?php |
| 148 | } |
| 149 | |
| 150 | /** |
| 151 | * Heading naming the features this section governs. |
| 152 | * |
| 153 | * "Show buttons on" sat directly below the Like buttons section and read as |
| 154 | * though it belonged to it. Naming the features makes the shared scope |
| 155 | * legible without a second line of copy. |
| 156 | */ |
| 157 | private static function heading(): string { |
| 158 | $key = implode( |
| 159 | '+', |
| 160 | array_keys( |
| 161 | array_filter( |
| 162 | array( |
| 163 | 'sharing' => Section_State::configures( Sharing_Section::state() ), |
| 164 | 'likes' => Section_State::configures( Likes_Section::state() ), |
| 165 | 'comments' => Environment::comment_likes_follow_likes_settings(), |
| 166 | ) |
| 167 | ) |
| 168 | ) |
| 169 | ); |
| 170 | |
| 171 | $headings = array( |
| 172 | 'sharing+likes+comments' => __( 'Where sharing buttons, Like buttons, and Comment Likes appear', 'jetpack-sharing-likes' ), |
| 173 | 'sharing+likes' => __( 'Where sharing and Like buttons appear', 'jetpack-sharing-likes' ), |
| 174 | 'sharing+comments' => __( 'Where sharing buttons and Comment Likes appear', 'jetpack-sharing-likes' ), |
| 175 | 'likes+comments' => __( 'Where Like buttons and Comment Likes appear', 'jetpack-sharing-likes' ), |
| 176 | 'likes' => __( 'Where Like buttons appear', 'jetpack-sharing-likes' ), |
| 177 | 'comments' => __( 'Where Comment Likes appear', 'jetpack-sharing-likes' ), |
| 178 | ); |
| 179 | |
| 180 | return $headings[ $key ] ?? __( 'Where sharing buttons appear', 'jetpack-sharing-likes' ); |
| 181 | } |
| 182 | |
| 183 | /** |
| 184 | * Post types currently set to show buttons. |
| 185 | * |
| 186 | * Falls back to the same defaults the features themselves apply when the |
| 187 | * option has never been saved. Reading it raw would render every checkbox |
| 188 | * unchecked on a site where the buttons are in fact live, and the next save |
| 189 | * would then write that back and turn them off. |
| 190 | * |
| 191 | * @return string[] |
| 192 | */ |
| 193 | public static function selected_post_types(): array { |
| 194 | if ( ! self::is_saved() ) { |
| 195 | return self::default_post_types(); |
| 196 | } |
| 197 | |
| 198 | return self::normalize_show( get_option( 'sharing-options' )['global']['show'] ); |
| 199 | } |
| 200 | |
| 201 | /** |
| 202 | * Whether a placement is stored, rather than left to each feature's default. |
| 203 | */ |
| 204 | public static function is_saved(): bool { |
| 205 | $sharing = get_option( 'sharing-options', array() ); |
| 206 | |
| 207 | return is_array( $sharing ) && isset( $sharing['global']['show'] ); |
| 208 | } |
| 209 | |
| 210 | /** |
| 211 | * Store where the buttons appear, replacing whatever was stored. |
| 212 | * |
| 213 | * An empty list means "nowhere". Anything that is not a public post type or |
| 214 | * `index` is dropped, so a crafted payload cannot widen where buttons render. |
| 215 | * |
| 216 | * @param array $post_types Post type slugs, plus `index` for the archive pages. |
| 217 | */ |
| 218 | public static function update( array $post_types ): void { |
| 219 | $options = get_option( 'sharing-options' ); |
| 220 | if ( ! is_array( $options ) ) { |
| 221 | $options = array(); |
| 222 | } |
| 223 | |
| 224 | // Sites carry a malformed `global` (see #6121), and writing into it in place |
| 225 | // would fatal where the services save, which rebuilds it wholesale, does not. |
| 226 | if ( ! isset( $options['global'] ) || ! is_array( $options['global'] ) ) { |
| 227 | $options['global'] = array(); |
| 228 | } |
| 229 | |
| 230 | $allowed = array_values( get_post_types( array( 'public' => true ) ) ); |
| 231 | $allowed[] = 'index'; |
| 232 | |
| 233 | $options['global']['show'] = array_values( array_intersect( array_filter( $post_types, 'is_scalar' ), $allowed ) ); |
| 234 | |
| 235 | update_option( 'sharing-options', $options ); |
| 236 | } |
| 237 | |
| 238 | /** |
| 239 | * A stored `show` value as a list of post types. |
| 240 | * |
| 241 | * Older sites stored a single keyword rather than a list, and both |
| 242 | * `Sharing_Service::get_global_options()` and `Jetpack_Likes_Settings::get_options()` |
| 243 | * still map it, so it is live data rather than a historical curiosity. |
| 244 | * |
| 245 | * @param mixed $shown Stored `sharing-options['global']['show']` value. |
| 246 | * @return string[] |
| 247 | */ |
| 248 | public static function normalize_show( $shown ): array { |
| 249 | if ( is_scalar( $shown ) ) { |
| 250 | $legacy = array( |
| 251 | 'posts' => array( 'post', 'page' ), |
| 252 | 'index' => array( 'index' ), |
| 253 | 'posts-index' => array( 'post', 'page', 'index' ), |
| 254 | ); |
| 255 | $shown = $legacy[ $shown ] ?? array(); |
| 256 | } |
| 257 | |
| 258 | return array_values( array_filter( (array) $shown, 'is_string' ) ); |
| 259 | } |
| 260 | |
| 261 | /** |
| 262 | * Where buttons appear on a site that has never saved this section. |
| 263 | * |
| 264 | * The two features apply different defaults: |
| 265 | * - sharing: posts and pages; |
| 266 | * - Likes: those, plus public post types that support comments. |
| 267 | * |
| 268 | * Reporting the narrower set would understate where Like buttons are, so |
| 269 | * defer to Likes whenever it is the feature running. |
| 270 | * |
| 271 | * @return string[] |
| 272 | */ |
| 273 | private static function default_post_types(): array { |
| 274 | $defaults = array( 'post', 'page' ); |
| 275 | |
| 276 | if ( ! Environment::likes_settings_in_use() ) { |
| 277 | return $defaults; |
| 278 | } |
| 279 | |
| 280 | if ( ! class_exists( 'Jetpack_Likes_Settings' ) ) { |
| 281 | return $defaults; |
| 282 | } |
| 283 | |
| 284 | $options = ( new \Jetpack_Likes_Settings() )->get_options(); |
| 285 | |
| 286 | return isset( $options['show'] ) ? self::normalize_show( $options['show'] ) : $defaults; |
| 287 | } |
| 288 | |
| 289 | /** |
| 290 | * Human-readable label for a post type choice. |
| 291 | * |
| 292 | * @param string $choice Post type slug, or 'index' for the archive pages. |
| 293 | */ |
| 294 | public static function label_for( string $choice ): string { |
| 295 | if ( 'index' === $choice ) { |
| 296 | return __( 'Front Page, Archive Pages, and Search Results', 'jetpack-sharing-likes' ); |
| 297 | } |
| 298 | |
| 299 | $post_type = get_post_type_object( $choice ); |
| 300 | |
| 301 | return $post_type instanceof \WP_Post_Type ? $post_type->labels->name : $choice; |
| 302 | } |
| 303 | } |