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| 1 | <?php |
| 2 | /** |
| 3 | * A single-report page: the dashboard page about one entity, a post, an author, a video. |
| 4 | * |
| 5 | * @package automattic/jetpack-premium-analytics |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\PremiumAnalytics; |
| 9 | |
| 10 | /** |
| 11 | * Describes one single-report page registered with the dashboard. |
| 12 | * |
| 13 | * The record is declarative: the client renders the page from it. What a record cannot |
| 14 | * express, the entity's summary and header, lives in a client-side page adapter keyed by `path`. |
| 15 | * |
| 16 | * @since $$next-version$$ |
| 17 | */ |
| 18 | class Single_Report_Page { |
| 19 | |
| 20 | /** |
| 21 | * Field types a control may declare: the ones the client binds to the page state. |
| 22 | * |
| 23 | * @var string[] |
| 24 | */ |
| 25 | const CONTROL_FIELD_TYPES = array( 'jpa/report-params' ); |
| 26 | |
| 27 | /** |
| 28 | * Dashboard the page belongs to. |
| 29 | * |
| 30 | * @var string |
| 31 | */ |
| 32 | public $dashboard_name; |
| 33 | |
| 34 | /** |
| 35 | * Namespaced identifier, e.g. `videopress/video`. |
| 36 | * |
| 37 | * @var string |
| 38 | */ |
| 39 | public $id; |
| 40 | |
| 41 | /** |
| 42 | * URL segment, the public identity of the page: `/report/{path}/{id}`. |
| 43 | * |
| 44 | * @var string |
| 45 | */ |
| 46 | public $path; |
| 47 | |
| 48 | /** |
| 49 | * The entity kind, used as the breadcrumb and as the title fallback. |
| 50 | * |
| 51 | * @var string |
| 52 | */ |
| 53 | public $label; |
| 54 | |
| 55 | /** |
| 56 | * Slug of the dashboard section the page belongs to. |
| 57 | * |
| 58 | * @var string|null |
| 59 | */ |
| 60 | public $dashboard_section = null; |
| 61 | |
| 62 | /** |
| 63 | * Stats feature key a plan may lock; a locked feature sends the reader to the locked reports page. |
| 64 | * |
| 65 | * @var string|null |
| 66 | */ |
| 67 | public $feature = null; |
| 68 | |
| 69 | /** |
| 70 | * Report param that carries the entity id to the widgets. |
| 71 | * |
| 72 | * @var string |
| 73 | */ |
| 74 | public $scope_param = 'post_id'; |
| 75 | |
| 76 | /** |
| 77 | * Regex the entity id must match, without delimiters. |
| 78 | * |
| 79 | * @var string |
| 80 | */ |
| 81 | public $id_pattern = '^[1-9]\d*$'; |
| 82 | |
| 83 | /** |
| 84 | * Registered icon name (`collection/icon-name`), resolved on the client as widget icons are. |
| 85 | * |
| 86 | * @var string|null |
| 87 | */ |
| 88 | public $icon = null; |
| 89 | |
| 90 | /** |
| 91 | * Header controls: DataViews field declarations, empty for none, null for the default date control. |
| 92 | * |
| 93 | * @var array[]|null |
| 94 | */ |
| 95 | public $controls = null; |
| 96 | |
| 97 | /** |
| 98 | * Reports page of the same entities, for the "Back to …" link of the not-found notice. |
| 99 | * |
| 100 | * @var string|null |
| 101 | */ |
| 102 | public $reports_page = null; |
| 103 | |
| 104 | /** |
| 105 | * Preferences scope the client persists the arrangement under. |
| 106 | * |
| 107 | * @var string |
| 108 | */ |
| 109 | public $preferences_scope; |
| 110 | |
| 111 | /** |
| 112 | * Availability rule: a callable, a bool, or null for the default. |
| 113 | * |
| 114 | * @var callable|bool|null |
| 115 | */ |
| 116 | private $is_available = null; |
| 117 | |
| 118 | /** |
| 119 | * Default layout of a page with one section: widget instances, or a callable returning them. |
| 120 | * |
| 121 | * @var array|callable |
| 122 | */ |
| 123 | private $default_layout = array(); |
| 124 | |
| 125 | /** |
| 126 | * Inner sections of a page with inner navigation: `slug`, `label`, `default_layout` and `controls` each. |
| 127 | * |
| 128 | * @var array[] |
| 129 | */ |
| 130 | private $sections = array(); |
| 131 | |
| 132 | /** |
| 133 | * Constructor. |
| 134 | * |
| 135 | * @param string $dashboard_name Dashboard identifier. |
| 136 | * @param string $id Page identifier. |
| 137 | * @param array $args Page arguments. |
| 138 | */ |
| 139 | public function __construct( $dashboard_name, $id, $args = array() ) { |
| 140 | $this->dashboard_name = $dashboard_name; |
| 141 | $this->id = $id; |
| 142 | $this->path = self::derive_path( $id ); |
| 143 | $this->label = $id; |
| 144 | $this->set_props( $args ); |
| 145 | |
| 146 | if ( empty( $this->preferences_scope ) ) { |
| 147 | $this->preferences_scope = 'jetpack-premium-analytics/' . $this->path . '-detail'; |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * Default path: the name part of the id. |
| 153 | * |
| 154 | * @param string $id Page identifier. |
| 155 | * @return string |
| 156 | */ |
| 157 | private static function derive_path( $id ) { |
| 158 | $separator = strpos( (string) $id, '/' ); |
| 159 | |
| 160 | return false === $separator ? (string) $id : substr( $id, $separator + 1 ); |
| 161 | } |
| 162 | |
| 163 | /** |
| 164 | * Whether the page is available to the current reader. |
| 165 | * |
| 166 | * @return bool |
| 167 | */ |
| 168 | public function is_available() { |
| 169 | if ( null === $this->is_available ) { |
| 170 | return Capabilities::current_user_can_view_stats(); |
| 171 | } |
| 172 | |
| 173 | if ( is_callable( $this->is_available ) ) { |
| 174 | return (bool) call_user_func( $this->is_available, $this ); |
| 175 | } |
| 176 | |
| 177 | return (bool) $this->is_available; |
| 178 | } |
| 179 | |
| 180 | /** |
| 181 | * The page's default layout, or one inner section's, run through the default-layout filter. |
| 182 | * |
| 183 | * @param string|null $section_slug Inner section, or null for a page with one section. |
| 184 | * @return array |
| 185 | */ |
| 186 | public function get_default_layout( $section_slug = null ) { |
| 187 | $layout = $this->default_layout; |
| 188 | |
| 189 | if ( null !== $section_slug ) { |
| 190 | $layout = array(); |
| 191 | foreach ( $this->sections as $section ) { |
| 192 | if ( $section['slug'] === $section_slug ) { |
| 193 | $layout = $section['default_layout']; |
| 194 | break; |
| 195 | } |
| 196 | } |
| 197 | } |
| 198 | |
| 199 | $layout = is_callable( $layout ) ? call_user_func( $layout, $this, $section_slug ) : $layout; |
| 200 | $layout = is_array( $layout ) ? array_values( $layout ) : array(); |
| 201 | |
| 202 | /** |
| 203 | * Filters the default layout of a single-report page, or of one of its inner sections. |
| 204 | * |
| 205 | * @since $$next-version$$ |
| 206 | * |
| 207 | * @param array $layout Widget instances. |
| 208 | * @param string $page_id Page identifier. |
| 209 | * @param string|null $section_slug Inner section, or null for a page with one section. |
| 210 | * @param Single_Report_Page $page The page. |
| 211 | */ |
| 212 | $layout = apply_filters( SINGLE_REPORT_PAGE_DEFAULT_LAYOUT_FILTER, $layout, $this->id, $section_slug, $this ); |
| 213 | |
| 214 | return is_array( $layout ) ? array_values( $layout ) : array(); |
| 215 | } |
| 216 | |
| 217 | /** |
| 218 | * The inner sections with their filtered layouts, empty for a page with one section. |
| 219 | * |
| 220 | * @return array[] |
| 221 | */ |
| 222 | public function get_sections() { |
| 223 | $sections = array(); |
| 224 | |
| 225 | foreach ( $this->sections as $section ) { |
| 226 | $sections[] = array( |
| 227 | 'slug' => $section['slug'], |
| 228 | 'label' => $section['label'], |
| 229 | 'default_layout' => $this->get_default_layout( $section['slug'] ), |
| 230 | 'controls' => $section['controls'], |
| 231 | ); |
| 232 | } |
| 233 | |
| 234 | return $sections; |
| 235 | } |
| 236 | |
| 237 | /** |
| 238 | * The record the client reads. |
| 239 | * |
| 240 | * @return array |
| 241 | */ |
| 242 | public function to_array() { |
| 243 | return array( |
| 244 | 'id' => $this->id, |
| 245 | 'path' => $this->path, |
| 246 | 'label' => $this->label, |
| 247 | 'dashboard_section' => $this->dashboard_section, |
| 248 | 'feature' => $this->feature, |
| 249 | 'scope_param' => $this->scope_param, |
| 250 | 'id_pattern' => $this->id_pattern, |
| 251 | 'icon' => $this->icon, |
| 252 | 'controls' => $this->controls, |
| 253 | 'reports_page' => $this->reports_page, |
| 254 | 'preferences_scope' => $this->preferences_scope, |
| 255 | 'default_layout' => empty( $this->sections ) ? $this->get_default_layout() : array(), |
| 256 | 'sections' => $this->get_sections(), |
| 257 | ); |
| 258 | } |
| 259 | |
| 260 | /** |
| 261 | * Copies the recognized arguments onto the record. |
| 262 | * |
| 263 | * @param array $args Page arguments. |
| 264 | */ |
| 265 | private function set_props( $args ) { |
| 266 | if ( ! is_array( $args ) ) { |
| 267 | return; |
| 268 | } |
| 269 | |
| 270 | if ( isset( $args['path'] ) && self::is_valid_slug( $args['path'] ) ) { |
| 271 | $this->path = $args['path']; |
| 272 | } |
| 273 | |
| 274 | foreach ( array( 'label', 'dashboard_section', 'feature', 'scope_param', 'id_pattern', 'reports_page', 'preferences_scope' ) as $key ) { |
| 275 | if ( isset( $args[ $key ] ) && is_string( $args[ $key ] ) && '' !== $args[ $key ] ) { |
| 276 | $this->$key = $args[ $key ]; |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | if ( isset( $args['icon'] ) ) { |
| 281 | $this->icon = sanitize_widget_icon( $args['icon'] ); |
| 282 | } |
| 283 | |
| 284 | if ( array_key_exists( 'controls', $args ) ) { |
| 285 | $this->controls = self::normalize_controls( $args['controls'] ); |
| 286 | } |
| 287 | |
| 288 | if ( array_key_exists( 'is_available', $args ) ) { |
| 289 | $this->is_available = $args['is_available']; |
| 290 | } |
| 291 | |
| 292 | if ( array_key_exists( 'default_layout', $args ) ) { |
| 293 | $this->default_layout = $args['default_layout']; |
| 294 | } |
| 295 | |
| 296 | if ( isset( $args['sections'] ) && is_array( $args['sections'] ) ) { |
| 297 | $this->sections = self::normalize_sections( $args['sections'] ); |
| 298 | } |
| 299 | } |
| 300 | |
| 301 | /** |
| 302 | * Keeps the inner sections that carry a valid slug, deduplicated by slug. |
| 303 | * |
| 304 | * @param array $sections Section declarations. |
| 305 | * @return array[] |
| 306 | */ |
| 307 | private static function normalize_sections( $sections ) { |
| 308 | $normalized = array(); |
| 309 | |
| 310 | foreach ( $sections as $section ) { |
| 311 | if ( ! is_array( $section ) || ! isset( $section['slug'] ) || ! self::is_valid_slug( $section['slug'] ) || isset( $normalized[ $section['slug'] ] ) ) { |
| 312 | continue; |
| 313 | } |
| 314 | |
| 315 | $normalized[ $section['slug'] ] = array( |
| 316 | 'slug' => $section['slug'], |
| 317 | 'label' => isset( $section['label'] ) && is_string( $section['label'] ) && '' !== $section['label'] ? $section['label'] : $section['slug'], |
| 318 | 'default_layout' => $section['default_layout'] ?? array(), |
| 319 | 'controls' => self::normalize_controls( $section['controls'] ?? null ), |
| 320 | ); |
| 321 | } |
| 322 | |
| 323 | return array_values( $normalized ); |
| 324 | } |
| 325 | |
| 326 | /** |
| 327 | * The controls a page or a section declares: the fields of a type the client binds, one per |
| 328 | * type; false or an empty list for none; null, the default, for anything else. |
| 329 | * |
| 330 | * @param mixed $controls Declared controls. |
| 331 | * @return array[]|null |
| 332 | */ |
| 333 | private static function normalize_controls( $controls ) { |
| 334 | if ( false === $controls || array() === $controls ) { |
| 335 | return array(); |
| 336 | } |
| 337 | |
| 338 | // A control is a DataViews field, as a widget attribute is: the same vocabulary, the same sanitizer. |
| 339 | $fields = sanitize_widget_attributes( $controls ); |
| 340 | if ( null === $fields ) { |
| 341 | return null; |
| 342 | } |
| 343 | |
| 344 | $by_type = array(); |
| 345 | foreach ( $fields as $field ) { |
| 346 | if ( isset( $field['type'] ) && in_array( $field['type'], self::CONTROL_FIELD_TYPES, true ) && ! isset( $by_type[ $field['type'] ] ) ) { |
| 347 | $by_type[ $field['type'] ] = $field; |
| 348 | } |
| 349 | } |
| 350 | |
| 351 | return $by_type ? array_values( $by_type ) : null; |
| 352 | } |
| 353 | |
| 354 | /** |
| 355 | * Whether a value is a lowercase slug of letters, numbers and hyphens. |
| 356 | * |
| 357 | * @param mixed $value Candidate. |
| 358 | * @return bool |
| 359 | */ |
| 360 | private static function is_valid_slug( $value ) { |
| 361 | return is_string( $value ) && 1 === preg_match( '/^[a-z0-9-]+$/', $value ); |
| 362 | } |
| 363 | } |