112 lines
2.7 KiB
PHP
112 lines
2.7 KiB
PHP
<?php
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/**
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* @brief GraphQL: Vote on a question
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* @author <a href='http://www.invisionpower.com'>Invision Power Services, Inc.</a>
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* @copyright (c) 2001 - 2016 Invision Power Services, Inc.
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* @license http://www.invisionpower.com/legal/standards/
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* @package IPS Community Suite
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* @since 02 Jan 2019
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* @version SVN_VERSION_NUMBER
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*/
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namespace IPS\forums\api\GraphQL\Mutations;
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use IPS\Api\GraphQL\SafeException;
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use IPS\Api\GraphQL\TypeRegistry;
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use IPS\Db;
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use IPS\forums\api\GraphQL\Types\TopicType;
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use IPS\forums\Topic;
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use IPS\Member;
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use OutOfRangeException;
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use function defined;
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/* To prevent PHP errors (extending class does not exist) revealing path */
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if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
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{
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header( ( $_SERVER['SERVER_PROTOCOL'] ?? 'HTTP/1.0' ) . ' 403 Forbidden' );
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exit;
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}
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/**
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* Vote on a question mutation for GraphQL API
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*/
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class VoteQuestion
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{
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/*
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* @brief Query description
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*/
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public static string $description = "Vote on a question";
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/*
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* Mutation arguments
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*/
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public function args(): array
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{
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return [
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'id' => TypeRegistry::nonNull( TypeRegistry::id() ),
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'vote' => TypeRegistry::nonNull( \IPS\forums\api\GraphQL\TypeRegistry::vote() ),
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];
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}
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/**
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* Return the mutation return type
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*
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* @return TopicType
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*/
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public function type() : TopicType
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{
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return \IPS\forums\api\GraphQL\TypeRegistry::topic();
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}
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/**
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* Resolves this mutation
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*
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* @param mixed $val Value passed into this resolver
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* @param array $args Arguments
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* @return Topic
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*/
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public function resolve( mixed $val, array $args ) : Topic
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{
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try
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{
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$topic = Topic::loadAndCheckPerms( $args['id'] );
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}
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catch ( OutOfRangeException $e )
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{
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throw new SafeException( 'NO_TOPIC', 'GQL/0008/1', 400 );
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}
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if( !$topic->can('read') )
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{
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throw new SafeException( 'INVALID_ID', 'GQL/0008/2', 403 );
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}
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if( !$topic->canVote() )
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{
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throw new SafeException( 'CANNOT_VOTE', 'GQL/0008/4', 403 );
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}
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$rating = $args['vote'] == 'UP' ? 1 : -1;
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// If we have an existing vote, undo that
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$ratings = $topic->votes();
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if ( isset( $ratings[ Member::loggedIn()->member_id ] ) )
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{
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Db::i()->delete( 'forums_question_ratings', array( 'topic=? AND member=?', $topic->tid, Member::loggedIn()->member_id ) );
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}
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Db::i()->insert( 'forums_question_ratings', array(
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'topic' => $topic->tid,
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'forum' => $topic->forum_id,
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'member' => Member::loggedIn()->member_id,
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'rating' => $rating,
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'date' => time()
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), TRUE );
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/* Rebuild count */
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$topic->question_rating = Db::i()->select( 'SUM(rating)', 'forums_question_ratings', array( 'topic=?', $topic->tid ), NULL, NULL, NULL, NULL, Db::SELECT_FROM_WRITE_SERVER )->first();
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$topic->save();
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return $topic;
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}
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}
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