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<?php |
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declare(strict_types=1); |
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namespace GraphQLAPI\GraphQLAPI\ConditionalOnEnvironment\Admin\Services\EndpointResolvers; |
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use PoP\EngineWP\Templates\TemplateHelpers; |
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use GraphQLAPI\GraphQLAPI\General\EndpointHelpers; |
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use GraphQLByPoP\GraphQLRequest\Execution\QueryExecutionHelpers; |
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use GraphQLAPI\GraphQLAPI\Security\UserAuthorization; |
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use GraphQLAPI\GraphQLAPI\EndpointResolvers\EndpointResolverTrait; |
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use GraphQLAPI\GraphQLAPI\EndpointResolvers\AbstractEndpointResolver; |
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use WP_Post; |
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class AdminEndpointResolver extends AbstractEndpointResolver |
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{ |
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use EndpointResolverTrait { |
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EndpointResolverTrait::executeGraphQLQuery as upstreamExecuteGraphQLQuery; |
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} |
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/** |
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* Provide the query to execute and its variables |
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* |
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* @return mixed[] Array of 2 elements: [query, variables] |
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*/ |
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protected function getGraphQLQueryAndVariables(?WP_Post $graphQLQueryPost): array |
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{ |
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/** |
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* Extract the query from the BODY through standard GraphQL endpoint execution |
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*/ |
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return QueryExecutionHelpers::extractRequestedGraphQLQueryPayload(); |
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} |
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/** |
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* Execute the GraphQL query when posting to: |
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* /wp-admin/edit.php?page=graphql_api&action=execute_query |
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* |
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* @return boolean |
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*/ |
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protected function isGraphQLQueryExecution(): bool |
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{ |
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return EndpointHelpers::isRequestingAdminGraphQLEndpoint(); |
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} |
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/** |
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* Initialize the resolver |
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* |
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* @return void |
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*/ |
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public function initialize(): void |
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{ |
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parent::initialize(); |
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/** |
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* Print the global JS variables, required by the blocks |
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*/ |
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$this->printGlobalVariables(); |
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/** |
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* If executing the GraphQL query, resolve it |
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*/ |
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if ($this->isGraphQLQueryExecution()) { |
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$this->executeGraphQLQuery(); |
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$this->printTemplateInAdminAndExit(); |
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} |
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} |
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/** |
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* Print JS variables which are used by several blocks, |
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* before the blocks are loaded |
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* |
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* @return void |
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*/ |
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protected function printGlobalVariables(): void |
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{ |
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\add_action('admin_print_scripts', function () { |
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// Make sure the user has access to the editor |
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if (UserAuthorization::canAccessSchemaEditor()) { |
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/** |
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* The endpoint against which to execute GraphQL queries while on the WordPress admin |
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*/ |
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\printf( |
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'<script type="text/javascript">var GRAPHQL_API_ADMIN_ENDPOINT = "%s"</script>', |
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EndpointHelpers::getAdminGraphQLEndpoint() |
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); |
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} |
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}); |
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} |
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/** |
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* Execute the GraphQL query |
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* |
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* @return void |
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*/ |
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protected function executeGraphQLQuery(): void |
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{ |
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/** |
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* Only in "init" we can execute `wp_get_current_user`, to validate that the |
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* user can execute the query |
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*/ |
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\add_action( |
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'init', |
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function () { |
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// Make sure the user has access to the editor |
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if (UserAuthorization::canAccessSchemaEditor()) { |
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$this->upstreamExecuteGraphQLQuery(); |
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} |
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} |
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); |
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} |
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/** |
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* To print the JSON output, we use WordPress templates, |
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* which are used only in the front-end. |
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* When in the admin, we must manually load the template, |
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* and then exit |
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* |
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* @return void |
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*/ |
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protected function printTemplateInAdminAndExit(): void |
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{ |
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\add_action( |
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'admin_init', |
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function () { |
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// Make sure the user has access to the editor |
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if (UserAuthorization::canAccessSchemaEditor()) { |
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include TemplateHelpers::getTemplateFile(); |
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die; |
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} |
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} |
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); |
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} |
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} |
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GraphQLAPI /
graphql-api-for-wp
