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<?php |
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/** |
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* GitHub Import Manager |
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* |
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* @package Writing_On_GitHub |
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*/ |
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/** |
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* Class Writing_On_GitHub_Import |
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*/ |
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class Writing_On_GitHub_Import { |
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/** |
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* Application container. |
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* |
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* @var Writing_On_GitHub |
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*/ |
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protected $app; |
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/** |
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* Initializes a new import manager. |
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* |
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* @param Writing_On_GitHub $app Application container. |
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*/ |
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public function __construct( Writing_On_GitHub $app ) { |
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$this->app = $app; |
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} |
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/** |
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* Imports a payload. |
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* @param Writing_On_GitHub_Payload $payload |
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* |
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* @return string|WP_Error |
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*/ |
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public function payload( Writing_On_GitHub_Payload $payload ) { |
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$result = $this->app->api()->fetch()->compare( $payload->get_before_commit_id() ); |
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if ( is_wp_error( $result ) ) { |
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/* @var WP_Error $result */ |
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return $result; |
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} |
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if ( is_array( $result ) ) { |
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$result = $this->import_files( $result ); |
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} |
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if ( is_wp_error( $result ) ) { |
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return $result; |
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} |
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return __( 'Payload processed', 'writing-on-github' ); |
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} |
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/** |
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* import blob by files |
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* @param Writing_On_GitHub_File_Info[] $files |
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* @param boolean $force |
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* |
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* @return true|WP_Error |
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*/ |
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protected function import_files( $files, $force = false ) { |
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$error = true; |
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foreach ( $files as $file ) { |
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if ( ! $this->importable_file( $file ) ) { |
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continue; |
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} |
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$blob = $this->app->api()->fetch()->blob( $file ); |
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// network error ? |
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if ( ! $blob instanceof Writing_On_GitHub_Blob ) { |
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continue; |
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} |
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$is_remove = 'removed' == $file->status; |
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$result = false; |
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if ( $this->importable_raw_file( $blob ) ) { |
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$result = $this->import_raw_file( $blob, $is_remove ); |
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} elseif ( $this->importable_post( $blob ) ) { |
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if ( $is_remove ) { |
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$result = $this->delete_post( $blob ); |
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} else { |
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$result = $this->import_post( $blob, $force ); |
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} |
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} |
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if ( is_wp_error( $result ) ) { |
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/* @var WP_Error $result */ |
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$error = wogh_append_error( $error, $result ); |
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} |
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} |
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return $error; |
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} |
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/** |
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* Imports the latest commit on the master branch. |
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* |
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* @param boolean $force |
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* @return string|WP_Error |
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*/ |
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public function master( $force = false ) { |
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$result = $this->app->api()->fetch()->tree_recursive(); |
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if ( is_wp_error( $result ) ) { |
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/* @var WP_Error $result */ |
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return $result; |
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} |
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if ( is_array( $result ) ) { |
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$result = $this->import_files( $result, $force ); |
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} |
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if ( is_wp_error( $result ) ) { |
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/* @var WP_Error $result */ |
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return $result; |
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} |
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return __( 'Payload processed', 'writing-on-github' ); |
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} |
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/** |
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* Checks whether the provided blob should be imported. |
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* |
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* @param Writing_On_GitHub_File_Info $file |
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* |
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* @return bool |
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*/ |
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protected function importable_file( Writing_On_GitHub_File_Info $file ) { |
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$path = $file->path; |
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// only _pages, _posts and images |
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$prefixs = array( '_pages/', '_posts/', '_drafts/', 'images/'); |
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foreach ($prefixs as $prefix) { |
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if ( ! strncasecmp($path, $prefix, strlen( $prefix ) ) ) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Checks whether the provided blob should be imported. |
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* |
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* @param Writing_On_GitHub_Blob $blob Blob to validate. |
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* |
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* @return bool |
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*/ |
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protected function importable_post( Writing_On_GitHub_Blob $blob ) { |
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// global $wpdb; |
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// // Skip the repo's readme. |
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// if ( 'readme' === strtolower( substr( $blob->path(), 0, 6 ) ) ) { |
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// return false; |
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// } |
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// // If the blob sha already matches a post, then move on. |
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// if ( ! is_wp_error( $this->app->database()->fetch_by_sha( $blob->sha() ) ) ) { |
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// return false; |
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// } |
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if ( ! $blob->has_frontmatter() ) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Delete post |
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* @param Writing_On_GitHub_Blob $blob |
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* @return WP_Error|bool |
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*/ |
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protected function delete_post( Writing_On_GitHub_Blob $blob ) { |
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$id = false; |
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$meta = $blob->meta(); |
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if ( ! empty( $meta ) ) { |
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if ( array_key_exists( 'ID', $meta ) ) { |
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$id = $meta['ID']; |
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} |
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} |
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if ( empty( $id ) ) { |
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return false; |
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} |
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$result = $this->app->database()->delete_post( $id ); |
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if ( is_wp_error( $result ) ) { |
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/* @var WP_Error $result */ |
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return $result; |
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} |
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return true; |
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} |
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/** |
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* Imports a post into wordpress |
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* @param Writing_On_GitHub_Blob $blob |
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* @param boolean $force |
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* @return WP_Error|bool |
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*/ |
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protected function import_post( Writing_On_GitHub_Blob $blob, $force = false ) { |
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$post = $this->blob_to_post( $blob, $force ); |
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if ( ! $post instanceof Writing_On_GitHub_Post ) { |
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return false; |
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} |
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$result = $this->app->database()->save_post( $post ); |
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if ( is_wp_error( $result ) ) { |
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/** @var WP_Error $result */ |
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return $result; |
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} |
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if ( $post->is_new() || |
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! wogh_equal_path( $post, $blob ) || |
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! wogh_equal_front_matter( $post, $blob ) ) { |
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$result = $this->app->export()->export_post( $post ); |
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if ( is_wp_error( $result ) ) { |
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/** @var WP_Error $result */ |
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return $result; |
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} |
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} |
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clean_post_cache( $post->id() ); |
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return true; |
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} |
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/** |
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* import raw file |
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* @param Writing_On_GitHub_Blob $blob |
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* @return bool |
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*/ |
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protected function importable_raw_file( Writing_On_GitHub_Blob $blob ) { |
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if ( $blob->has_frontmatter() ) { |
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return false; |
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} |
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// only images |
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if ( strncasecmp($blob->path(), 'images/', strlen('images/') ) != 0) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Imports a raw file content into file system. |
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* @param Writing_On_GitHub_Blob $blob |
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* @param bool $is_remove |
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*/ |
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protected function import_raw_file( Writing_On_GitHub_Blob $blob, $is_remove ) { |
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$arr = wp_upload_dir(); |
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$path = $arr['basedir'] . '/writing-on-github/' . $blob->path(); |
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if ( $is_remove ) { |
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if ( file_exists($path) ) { |
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unlink($path); |
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} |
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} else { |
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$dirname = dirname($path); |
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if ( ! file_exists($dirname) ) { |
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wp_mkdir_p($dirname); |
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} |
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file_put_contents($path, $blob->content()); |
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} |
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return true; |
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} |
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/** |
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* Imports a single blob content into matching post. |
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* |
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* @param Writing_On_GitHub_Blob $blob Blob to transform into a Post. |
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* @param boolean $force |
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* |
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* @return Writing_On_GitHub_Post|false |
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*/ |
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protected function blob_to_post( Writing_On_GitHub_Blob $blob, $force = false ) { |
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$args = array( 'post_content' => $blob->content_import() ); |
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$meta = $blob->meta(); |
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$id = false; |
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if ( ! empty( $meta ) ) { |
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if ( array_key_exists( 'layout', $meta ) ) { |
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$args['post_type'] = $meta['layout']; |
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unset( $meta['layout'] ); |
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} |
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if ( array_key_exists( 'published', $meta ) ) { |
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$args['post_status'] = true === $meta['published'] ? 'publish' : 'draft'; |
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unset( $meta['published'] ); |
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} |
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if ( array_key_exists( 'post_title', $meta ) ) { |
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$args['post_title'] = $meta['post_title']; |
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unset( $meta['post_title'] ); |
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} |
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if ( array_key_exists( 'post_name', $meta ) ) { |
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$args['post_name'] = $meta['post_name']; |
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unset( $meta['post_name'] ); |
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} |
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if ( array_key_exists( 'ID', $meta ) ) { |
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$id = $args['ID'] = $meta['ID']; |
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$blob->set_id( $id ); |
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unset( $meta['ID'] ); |
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} |
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if ( array_key_exists( 'post_date', $meta ) ) { |
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if ( empty( $meta['post_date'] ) ) { |
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$meta['post_date'] = current_time( 'mysql' ); |
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} |
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$args['post_date'] = $meta['post_date']; |
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unset( $meta['post_date'] ); |
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} |
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} |
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$meta['_wogh_sha'] = $blob->sha(); |
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if ( ! $force && $id ) { |
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$old_sha = get_post_meta( $id, '_wogh_sha', true ); |
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$old_github_path = get_post_meta( $id, '_wogh_github_path', true ); |
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// dont save post when has same sha |
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if ( $old_sha && $old_sha == $meta['_wogh_sha'] && |
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$old_github_path && $old_github_path == $blob->path() ) { |
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return false; |
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} |
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} |
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$post = new Writing_On_GitHub_Post( $args, $this->app->api() ); |
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$post->set_old_github_path( $blob->path() ); |
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$post->set_meta( $meta ); |
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$post->set_blob( $blob ); |
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$blob->set_id( $post->id() ); |
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return $post; |
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} |
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} |
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