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| 1 | <?php |
| 2 | /** |
| 3 | * Dashboard Sections API: Dashboard_Section_Registry class. |
| 4 | * |
| 5 | * @package automattic/jetpack-premium-analytics |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\PremiumAnalytics; |
| 9 | |
| 10 | require_once __DIR__ . '/dashboard-grammar.php'; |
| 11 | |
| 12 | /** |
| 13 | * Stores Dashboard_Section instances keyed by dashboard and section ID. |
| 14 | */ |
| 15 | final class Dashboard_Section_Registry { |
| 16 | |
| 17 | /** |
| 18 | * Registered sections, as `$dashboard_name => $id => $section` pairs. |
| 19 | * |
| 20 | * @var array<string, Dashboard_Section[]> |
| 21 | */ |
| 22 | private $registered_sections = array(); |
| 23 | |
| 24 | /** |
| 25 | * Container for the main instance of the class. |
| 26 | * |
| 27 | * @var Dashboard_Section_Registry|null |
| 28 | */ |
| 29 | private static $instance = null; |
| 30 | |
| 31 | /** |
| 32 | * Registers a dashboard section. |
| 33 | * |
| 34 | * @param string $dashboard_name Dashboard identifier. |
| 35 | * @param string $id Section identifier. |
| 36 | * @param array $args Optional. Section arguments. |
| 37 | * @return Dashboard_Section|false The registered section on success, or false on failure. |
| 38 | */ |
| 39 | public function register( $dashboard_name, $id, $args = array() ) { |
| 40 | if ( ! $this->is_valid_dashboard_name( $dashboard_name ) ) { |
| 41 | _doing_it_wrong( |
| 42 | __METHOD__, |
| 43 | esc_html__( 'Dashboard names must be lowercase strings of letters, numbers, and hyphens, optionally separated by underscores.', 'jetpack-premium-analytics' ), |
| 44 | '0.1.0' |
| 45 | ); |
| 46 | return false; |
| 47 | } |
| 48 | |
| 49 | if ( ! $this->is_valid_section_id( $id ) ) { |
| 50 | _doing_it_wrong( |
| 51 | __METHOD__, |
| 52 | esc_html__( 'Dashboard section IDs must contain a namespace prefix. Example: my-plugin/my-custom-section', 'jetpack-premium-analytics' ), |
| 53 | '0.1.0' |
| 54 | ); |
| 55 | return false; |
| 56 | } |
| 57 | |
| 58 | if ( $this->is_registered( $dashboard_name, $id ) ) { |
| 59 | _doing_it_wrong( |
| 60 | __METHOD__, |
| 61 | sprintf( |
| 62 | /* translators: 1: Dashboard name. 2: Dashboard section ID. */ |
| 63 | esc_html__( 'Dashboard section "%2$s" is already registered for dashboard "%1$s".', 'jetpack-premium-analytics' ), |
| 64 | esc_html( $dashboard_name ), |
| 65 | esc_html( $id ) |
| 66 | ), |
| 67 | '0.1.0' |
| 68 | ); |
| 69 | return false; |
| 70 | } |
| 71 | |
| 72 | $section = new Dashboard_Section( $dashboard_name, $id, $args ); |
| 73 | |
| 74 | if ( ! isset( $this->registered_sections[ $dashboard_name ] ) ) { |
| 75 | $this->registered_sections[ $dashboard_name ] = array(); |
| 76 | } |
| 77 | |
| 78 | $this->registered_sections[ $dashboard_name ][ $id ] = $section; |
| 79 | |
| 80 | return $section; |
| 81 | } |
| 82 | |
| 83 | /** |
| 84 | * Retrieves a registered section. |
| 85 | * |
| 86 | * @param string $dashboard_name Dashboard identifier. |
| 87 | * @param string $id Section identifier. |
| 88 | * @return Dashboard_Section|null The registered section, or null when absent. |
| 89 | */ |
| 90 | public function get_registered( $dashboard_name, $id ) { |
| 91 | if ( ! $this->is_registered( $dashboard_name, $id ) ) { |
| 92 | return null; |
| 93 | } |
| 94 | |
| 95 | return $this->registered_sections[ $dashboard_name ][ $id ]; |
| 96 | } |
| 97 | |
| 98 | /** |
| 99 | * Retrieves all registered sections for a dashboard. |
| 100 | * |
| 101 | * @param string $dashboard_name Dashboard identifier. |
| 102 | * @return Dashboard_Section[] Map of `$id => $section` pairs. |
| 103 | */ |
| 104 | public function get_all_registered( $dashboard_name ) { |
| 105 | if ( ! isset( $this->registered_sections[ $dashboard_name ] ) ) { |
| 106 | // Unknown dashboards may be valid REST targets but have no sections registered. |
| 107 | return array(); |
| 108 | } |
| 109 | |
| 110 | return $this->registered_sections[ $dashboard_name ]; |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * Retrieves available sections sorted by order. |
| 115 | * |
| 116 | * @param string $dashboard_name Dashboard identifier. |
| 117 | * @return Dashboard_Section[] Ordered list of available sections. |
| 118 | */ |
| 119 | public function get_available_sections( $dashboard_name ) { |
| 120 | $sections = array_filter( |
| 121 | $this->get_all_registered( $dashboard_name ), |
| 122 | static function ( Dashboard_Section $section ) { |
| 123 | return $section->is_available(); |
| 124 | } |
| 125 | ); |
| 126 | |
| 127 | uasort( |
| 128 | $sections, |
| 129 | static function ( Dashboard_Section $a, Dashboard_Section $b ) { |
| 130 | if ( $a->order === $b->order ) { |
| 131 | return strcmp( $a->id, $b->id ); |
| 132 | } |
| 133 | |
| 134 | return $a->order <=> $b->order; |
| 135 | } |
| 136 | ); |
| 137 | |
| 138 | return array_values( $sections ); |
| 139 | } |
| 140 | |
| 141 | /** |
| 142 | * Checks if a section is registered. |
| 143 | * |
| 144 | * @param string $dashboard_name Dashboard identifier. |
| 145 | * @param string $id Section identifier. |
| 146 | * @return bool True if registered. |
| 147 | */ |
| 148 | public function is_registered( $dashboard_name, $id ) { |
| 149 | return isset( $this->registered_sections[ $dashboard_name ][ $id ] ); |
| 150 | } |
| 151 | |
| 152 | /** |
| 153 | * Utility method to retrieve the main instance of the class. |
| 154 | * |
| 155 | * @return Dashboard_Section_Registry The main instance. |
| 156 | */ |
| 157 | public static function get_instance() { |
| 158 | if ( null === self::$instance ) { |
| 159 | self::$instance = new self(); |
| 160 | } |
| 161 | |
| 162 | return self::$instance; |
| 163 | } |
| 164 | |
| 165 | /** |
| 166 | * Checks whether a dashboard name can be registered. |
| 167 | * |
| 168 | * @param mixed $dashboard_name Candidate dashboard name. |
| 169 | * @return bool |
| 170 | */ |
| 171 | private function is_valid_dashboard_name( $dashboard_name ) { |
| 172 | return is_string( $dashboard_name ) && 1 === preg_match( '/^' . get_dashboard_name_pattern() . '$/', $dashboard_name ); |
| 173 | } |
| 174 | |
| 175 | /** |
| 176 | * Checks whether a section ID can be registered. |
| 177 | * |
| 178 | * @param mixed $id Candidate section ID. |
| 179 | * @return bool |
| 180 | */ |
| 181 | private function is_valid_section_id( $id ) { |
| 182 | return is_string( $id ) && 1 === preg_match( '/^' . get_dashboard_section_id_pattern() . '$/', $id ); |
| 183 | } |
| 184 | } |