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| 1 | <?php |
| 2 | /** |
| 3 | * Report definitions and their handlers, registered by the code that owns them. |
| 4 | * |
| 5 | * @package automattic/jetpack-woocommerce-stats |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\WooCommerceStats\Report_Execution; |
| 9 | |
| 10 | /** |
| 11 | * Definitions by report id, handlers by (report id, provider), and the providers themselves. |
| 12 | * |
| 13 | * @since 0.3.3 |
| 14 | */ |
| 15 | class Report_Registry { |
| 16 | |
| 17 | /** |
| 18 | * Action that fills a new registry. |
| 19 | */ |
| 20 | const REGISTER_ACTION = 'jetpack_woocommerce_stats_register_reports'; |
| 21 | |
| 22 | /** |
| 23 | * Report id under which a handler serves every report. |
| 24 | */ |
| 25 | const ANY_REPORT = '*'; |
| 26 | |
| 27 | /** |
| 28 | * Providers, by name. |
| 29 | * |
| 30 | * @var array<string, Report_Provider> |
| 31 | */ |
| 32 | private $providers = array(); |
| 33 | |
| 34 | /** |
| 35 | * Definitions, by report id. |
| 36 | * |
| 37 | * @var array<string, Report_Definition> |
| 38 | */ |
| 39 | private $definitions = array(); |
| 40 | |
| 41 | /** |
| 42 | * Handlers, by report id and then provider name. |
| 43 | * |
| 44 | * @var array<string, array<string, Report_Handler>> |
| 45 | */ |
| 46 | private $handlers = array(); |
| 47 | |
| 48 | /** |
| 49 | * A registry filled by every registrant. |
| 50 | * |
| 51 | * @return Report_Registry |
| 52 | */ |
| 53 | public static function create() { |
| 54 | $registry = new self(); |
| 55 | |
| 56 | /** |
| 57 | * Fires to register store reports, their handlers and providers. Experimental: the |
| 58 | * registry's interfaces change in the next steps. |
| 59 | * |
| 60 | * @since 0.3.3 |
| 61 | * |
| 62 | * @param Report_Registry $registry The registry to fill. |
| 63 | */ |
| 64 | do_action( self::REGISTER_ACTION, $registry ); |
| 65 | |
| 66 | return $registry; |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * Register a provider. The first one registered under a name wins. |
| 71 | * |
| 72 | * @param string $name Provider name, as the `provider` param names it. |
| 73 | * @param Report_Provider $provider The provider. |
| 74 | * @return void |
| 75 | */ |
| 76 | public function register_provider( $name, Report_Provider $provider ) { |
| 77 | $this->providers[ $name ] ??= $provider; |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * Register a report. The first one registered under an id wins. |
| 82 | * |
| 83 | * @param Report_Definition $definition The report. |
| 84 | * @return void |
| 85 | */ |
| 86 | public function register_report( Report_Definition $definition ) { |
| 87 | $this->definitions[ $definition->id ] ??= $definition; |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * Register a handler for a report, or for every report with `ANY_REPORT`. The last one |
| 92 | * registered for a pair wins, and a report's own handler beats the `ANY_REPORT` one. |
| 93 | * |
| 94 | * @param string $report_id Report id, or `ANY_REPORT`. |
| 95 | * @param string $provider Provider name. |
| 96 | * @param Report_Handler $handler The handler. |
| 97 | * @return void |
| 98 | */ |
| 99 | public function register_handler( $report_id, $provider, Report_Handler $handler ) { |
| 100 | $this->handlers[ $report_id ][ $provider ] = $handler; |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * The report a route names. |
| 105 | * |
| 106 | * @param string $route Route below `analytics/reports/`. |
| 107 | * @return Report_Definition|null |
| 108 | */ |
| 109 | public function get_definition_for_route( $route ) { |
| 110 | foreach ( $this->definitions as $definition ) { |
| 111 | if ( $definition->matches_route( $route ) ) { |
| 112 | return $definition; |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | return null; |
| 117 | } |
| 118 | |
| 119 | /** |
| 120 | * The handler of a report under a registered provider. |
| 121 | * |
| 122 | * @param string $report_id Report id. |
| 123 | * @param string $provider Provider name. |
| 124 | * @return Report_Handler|null |
| 125 | */ |
| 126 | public function get_handler( $report_id, $provider ) { |
| 127 | if ( ! isset( $this->providers[ $provider ] ) ) { |
| 128 | return null; |
| 129 | } |
| 130 | |
| 131 | return $this->handlers[ $report_id ][ $provider ] ?? $this->handlers[ self::ANY_REPORT ][ $provider ] ?? null; |
| 132 | } |
| 133 | |
| 134 | /** |
| 135 | * A provider by name. |
| 136 | * |
| 137 | * @param string $name Provider name. |
| 138 | * @return Report_Provider|null |
| 139 | */ |
| 140 | public function get_provider( $name ) { |
| 141 | return $this->providers[ $name ] ?? null; |
| 142 | } |
| 143 | } |