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| 1 | <?php |
| 2 | namespace NewfoldLabs\WP\Module\Installer\Services; |
| 3 | |
| 4 | use NewfoldLabs\WP\Module\Installer\Data\Themes; |
| 5 | |
| 6 | /** |
| 7 | * Class ThemeInstaller. |
| 8 | */ |
| 9 | class ThemeInstaller { |
| 10 | |
| 11 | /** |
| 12 | * Install a whitelisted Theme based on the activation status. |
| 13 | * |
| 14 | * @param string $theme Theme URL from Themes.php. |
| 15 | * @param boolean $activate Whether to activate the theme after install. |
| 16 | * @return \WP_REST_Response|\WP_Error |
| 17 | */ |
| 18 | public static function install( $theme, $activate ) { |
| 19 | $theme_list = Themes::get(); |
| 20 | |
| 21 | // Checks if the theme slug is an nfd slug. |
| 22 | if ( self::is_nfd_slug( $theme ) ) { |
| 23 | // Retrieve the theme stylesheet to determine if it has been already installed. |
| 24 | $stylesheet = $theme_list['nfd_slugs'][ $theme ]['stylesheet']; |
| 25 | // Check if the theme already exists. |
| 26 | if ( ! ( \wp_get_theme( $stylesheet ) )->exists() ) { |
| 27 | $status = self::install_from_zip( |
| 28 | $theme_list['nfd_slugs'][ $theme ]['url'], |
| 29 | $activate, |
| 30 | $stylesheet |
| 31 | ); |
| 32 | if ( \is_wp_error( $status ) ) { |
| 33 | return $status; |
| 34 | } |
| 35 | |
| 36 | return new \WP_REST_Response( |
| 37 | array(), |
| 38 | 201 |
| 39 | ); |
| 40 | } |
| 41 | |
| 42 | // If specified then activate the theme even if it already installed. |
| 43 | if ( $activate && ( ( \wp_get_theme() )->get( 'TextDomain' ) !== $stylesheet ) ) { |
| 44 | $status = \switch_theme( $stylesheet ); |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | return new \WP_REST_Response( |
| 49 | array(), |
| 50 | 201 |
| 51 | ); |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * Install theme from an custom zip url if not already installed. Activate and switch to the theme, if specified. |
| 56 | * |
| 57 | * @param string $url The ZIP URL to install the theme from. |
| 58 | * @param boolean $activate Whether to activate the plugin after install. |
| 59 | * @param string $stylesheet Theme Stylesheet Name. |
| 60 | * @return \WP_REST_Response|\WP_Error |
| 61 | */ |
| 62 | public static function install_from_zip( $url, $activate, $stylesheet ) { |
| 63 | require_once ABSPATH . 'wp-admin/includes/file.php'; |
| 64 | require_once ABSPATH . 'wp-admin/includes/misc.php'; |
| 65 | require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php'; |
| 66 | |
| 67 | $skin = new \WP_Ajax_Upgrader_Skin(); |
| 68 | $upgrader = new \Theme_Upgrader( $skin ); |
| 69 | $result = $upgrader->install( $url ); |
| 70 | |
| 71 | if ( is_wp_error( $result ) ) { |
| 72 | return $result; |
| 73 | } |
| 74 | |
| 75 | if ( is_wp_error( $skin->result ) ) { |
| 76 | return $skin->result; |
| 77 | } |
| 78 | |
| 79 | if ( $skin->get_errors()->has_errors() ) { |
| 80 | return new \WP_Error( |
| 81 | 'unable_to_install_theme', |
| 82 | $skin->get_error_messages(), |
| 83 | array( 'status' => 500 ) |
| 84 | ); |
| 85 | } |
| 86 | |
| 87 | if ( is_null( $result ) ) { |
| 88 | // Pass through the error from WP_Filesystem if one was raised. |
| 89 | if ( $wp_filesystem instanceof \WP_Filesystem_Base |
| 90 | && \is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() |
| 91 | ) { |
| 92 | return new \WP_Error( |
| 93 | 'unable_to_connect_to_filesystem', |
| 94 | $wp_filesystem->errors->get_error_message(), |
| 95 | array( 'status' => 500 ) |
| 96 | ); |
| 97 | } |
| 98 | |
| 99 | return new \WP_Error( |
| 100 | 'unable_to_connect_to_filesystem', |
| 101 | 'Unable to connect to the filesystem.', |
| 102 | array( 'status' => 500 ) |
| 103 | ); |
| 104 | } |
| 105 | |
| 106 | // Activate the theme if specified. |
| 107 | if ( $activate && ( ( \wp_get_theme() )->get( 'TextDomain' ) !== $stylesheet ) ) { |
| 108 | \switch_theme( $stylesheet ); |
| 109 | } |
| 110 | |
| 111 | return new \WP_REST_Response( |
| 112 | array(), |
| 113 | 201 |
| 114 | ); |
| 115 | } |
| 116 | |
| 117 | /** |
| 118 | * Checks if a given slug is a valid nfd_slug. Ref: includes/Data/Themes.php for nfd_slug. |
| 119 | * |
| 120 | * @param string $theme Slug of the theme. |
| 121 | * @return boolean |
| 122 | */ |
| 123 | public static function is_nfd_slug( $theme ) { |
| 124 | $theme_list = Themes::get(); |
| 125 | if ( isset( $theme_list['nfd_slugs'][ $theme ]['approved'] ) ) { |
| 126 | return true; |
| 127 | } |
| 128 | return false; |
| 129 | } |
| 130 | |
| 131 | /** |
| 132 | * Retrieve Theme Stylesheet Name for a specified theme name and theme type. |
| 133 | * |
| 134 | * @param mixed $theme Slug of the theme present under includes/Data/Themes.php. |
| 135 | * @param mixed $theme_type Type of theme Ref: includes/Data/Themes.php for types of theme slugs. |
| 136 | * @return string|boolean |
| 137 | */ |
| 138 | public static function get_theme_stylesheet( $theme, $theme_type ) { |
| 139 | $theme_list = Themes::get(); |
| 140 | return isset( $theme_list[ $theme_type ][ $theme ]['stylesheet'] ) ? $theme_list[ $theme_type ][ $theme ]['stylesheet'] : false; |
| 141 | } |
| 142 | |
| 143 | /** |
| 144 | * Retrieve Theme Type - approved NFD Slug/WP Slug. |
| 145 | * |
| 146 | * @param string $theme Theme name |
| 147 | * @return string Type of theme. Ref: includes/Data/Themes.php for the different types. |
| 148 | */ |
| 149 | public static function get_theme_type( $theme ) { |
| 150 | if ( self::is_nfd_slug( $theme ) ) { |
| 151 | return 'nfd_slugs'; |
| 152 | } |
| 153 | return 'wp_slugs'; |
| 154 | } |
| 155 | |
| 156 | /** |
| 157 | * Determines if a theme has already been installed. |
| 158 | * |
| 159 | * @param string $stylesheet The stylesheet of the theme. |
| 160 | * @return boolean |
| 161 | */ |
| 162 | public static function is_theme_installed( $stylesheet ) { |
| 163 | return ( \wp_get_theme( $stylesheet ) )->exists(); |
| 164 | } |
| 165 | |
| 166 | /** |
| 167 | * Determines if a theme is already active. |
| 168 | * |
| 169 | * @param string $stylesheet The stylesheet of the theme. |
| 170 | * @return boolean |
| 171 | */ |
| 172 | public static function is_theme_active( $stylesheet ) { |
| 173 | return ( ( \wp_get_theme() )->get( 'TextDomain' ) ) === $stylesheet; |
| 174 | } |
| 175 | |
| 176 | /** |
| 177 | * Checks if a theme with the given slug and activation criteria already exists. |
| 178 | * |
| 179 | * @param string $theme Theme name |
| 180 | * @param string $activate Activation Criteria |
| 181 | * @return boolean |
| 182 | */ |
| 183 | public static function exists( $theme, $activate ) { |
| 184 | $theme_type = self::get_theme_type( $theme ); |
| 185 | $theme_stylesheet = self::get_theme_stylesheet( $theme, $theme_type ); |
| 186 | if ( ! self::is_theme_installed( $theme_stylesheet ) ) { |
| 187 | return false; |
| 188 | } |
| 189 | if ( $activate && ! self::is_theme_active( $theme_stylesheet ) ) { |
| 190 | return false; |
| 191 | } |
| 192 | return true; |
| 193 | } |
| 194 | } |