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| 1 | <?php |
| 2 | /** |
| 3 | * Class WPCom_Themes_Tiers. |
| 4 | * What a site's plan includes, by theme tier. |
| 5 | * |
| 6 | * @package automattic/jetpack-mu-wpcom |
| 7 | */ |
| 8 | |
| 9 | /** |
| 10 | * Answers which theme tiers a site's plan includes. |
| 11 | * |
| 12 | * Entitlement only. Whether a surface shows a tier it cannot install is that surface's own |
| 13 | * decision: core's Add Themes tabs hide partner themes because they need their own subscription, |
| 14 | * while the Marketplace tab lists them to sell them. |
| 15 | */ |
| 16 | class WPCom_Themes_Tiers { |
| 17 | |
| 18 | /** |
| 19 | * The tier every site can use. |
| 20 | */ |
| 21 | const FREE = 'free'; |
| 22 | |
| 23 | /** |
| 24 | * The tier of a theme as WordPress.com returns it. |
| 25 | * |
| 26 | * @param stdClass $theme A theme from the WordPress.com themes API. |
| 27 | * @return string Tier slug, premium for a theme that reports none. |
| 28 | */ |
| 29 | public static function tier_of( $theme ): string { |
| 30 | return $theme->theme_tier->slug ?? 'premium'; |
| 31 | } |
| 32 | |
| 33 | /** |
| 34 | * The capability name gating a tier. |
| 35 | * |
| 36 | * @param string $tier Tier slug. |
| 37 | * @return string |
| 38 | */ |
| 39 | public static function feature_for( string $tier ): string { |
| 40 | return $tier . '-themes'; |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * Whether this site's plan includes a tier. |
| 45 | * |
| 46 | * Necessary but not sufficient for the partner tier, which every paid plan includes while each |
| 47 | * partner theme still needs its own subscription that no plan feature reports. |
| 48 | * |
| 49 | * @param string $tier Tier slug. |
| 50 | * @return bool True for the free tier, which needs no plan. For the rest, false when the |
| 51 | * platform cannot answer, so an unknown host offers nothing. |
| 52 | */ |
| 53 | public static function site_can_use( string $tier ): bool { |
| 54 | // There is no free-themes capability, so asking the platform would deny every free theme. |
| 55 | if ( self::FREE === $tier ) { |
| 56 | return true; |
| 57 | } |
| 58 | |
| 59 | return function_exists( 'wpcom_site_has_feature' ) |
| 60 | && (bool) wpcom_site_has_feature( self::feature_for( $tier ) ); |
| 61 | } |
| 62 | } |