| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  * @copyright Copyright (c) 2017 Vinzenz Rosenkranz <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  * @author René Gieling <[email protected]> | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * @license GNU AGPL version 3 or any later version | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  *  This program is free software: you can redistribute it and/or modify | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |  *  it under the terms of the GNU Affero General Public License as | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  *  published by the Free Software Foundation, either version 3 of the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  *  License, or (at your option) any later version. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  *  This program is distributed in the hope that it will be useful, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  *  but WITHOUT ANY WARRANTY; without even the implied warranty of | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  *  GNU Affero General Public License for more details. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  *  You should have received a copy of the GNU Affero General Public License | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  *  along with this program.  If not, see <http://www.gnu.org/licenses/>. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | namespace OCA\Polls\Service; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  | use OCP\AppFramework\Db\DoesNotExistException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | use OCA\Polls\Exceptions\NotAuthorizedException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  | use OCA\Polls\Exceptions\VoteLimitExceededException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  | use OCA\Polls\Db\Log; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  | use OCA\Polls\Db\OptionMapper; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  | use OCA\Polls\Db\VoteMapper; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  | use OCA\Polls\Db\PollMapper; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  | use OCA\Polls\Db\Vote; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  | use OCA\Polls\Db\Watch; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  | use OCA\Polls\Model\Acl; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  | class VoteService { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  | 	/** @var Acl */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  | 	private $acl; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  | 	/** @var AnonymizeService */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  | 	private $anonymizer; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  | 	/** @var LogService */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  | 	private $logService; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  | 	/** @var OptionMapper */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  | 	private $optionMapper; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  | 	/** @var PollMapper */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  | 	private $pollMapper; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  | 	/** @var Vote */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  | 	private $vote; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  | 	/** @var VoteMapper */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  | 	private $voteMapper; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  | 	/** @var WatchService */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  | 	private $watchService; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  | 	public function __construct( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  | 		Acl $acl, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  | 		AnonymizeService $anonymizer, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  | 		LogService $logService, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  | 		OptionMapper $optionMapper, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  | 		PollMapper $pollMapper, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  | 		Vote $vote, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  | 		VoteMapper $voteMapper, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  | 		WatchService $watchService | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  | 	) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  | 		$this->acl = $acl; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  | 		$this->anonymizer = $anonymizer; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  | 		$this->logService = $logService; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  | 		$this->optionMapper = $optionMapper; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  | 		$this->pollMapper = $pollMapper; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  | 		$this->vote = $vote; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  | 		$this->voteMapper = $voteMapper; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  | 		$this->watchService = $watchService; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  | 	 * Read all votes of a poll based on the poll id and return list as array | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 87 |  |  | 	 */ | 
            
                                                                        
                            
            
                                    
            
            
                | 88 |  |  | 	public function list(int $pollId = 0, string $token = ''): array { | 
            
                                                                        
                            
            
                                    
            
            
                | 89 |  |  | 		if ($token) { | 
            
                                                                        
                            
            
                                    
            
            
                | 90 |  |  | 			$this->acl->setToken($token); | 
            
                                                                        
                            
            
                                    
            
            
                | 91 |  |  | 		} else { | 
            
                                                                        
                            
            
                                    
            
            
                | 92 |  |  | 			$this->acl->setPollId($pollId)->request(Acl::PERMISSION_VIEW); | 
            
                                                                        
                            
            
                                    
            
            
                | 93 |  |  | 		} | 
            
                                                                        
                            
            
                                    
            
            
                | 94 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 95 |  |  | 		try { | 
            
                                                                        
                            
            
                                    
            
            
                | 96 |  |  | 			if (!$this->acl->isAllowed(Acl::PERMISSION_SEE_RESULTS)) { | 
            
                                                                        
                            
            
                                    
            
            
                | 97 |  |  | 				return $this->voteMapper->findByPollAndUser($this->acl->getpollId(), $this->acl->getUserId()); | 
            
                                                                        
                            
            
                                    
            
            
                | 98 |  |  | 			} elseif (!$this->acl->isAllowed(Acl::PERMISSION_SEE_USERNAMES)) { | 
            
                                                                        
                            
            
                                    
            
            
                | 99 |  |  | 				$this->anonymizer->set($this->acl->getpollId(), $this->acl->getUserId()); | 
            
                                                                        
                            
            
                                    
            
            
                | 100 |  |  | 				return $this->anonymizer->getVotes(); | 
            
                                                                        
                            
            
                                    
            
            
                | 101 |  |  | 			} else { | 
            
                                                                        
                            
            
                                    
            
            
                | 102 |  |  | 				return $this->voteMapper->findByPoll($this->acl->getpollId()); | 
            
                                                                        
                            
            
                                    
            
            
                | 103 |  |  | 			} | 
            
                                                                        
                            
            
                                    
            
            
                | 104 |  |  | 		} catch (DoesNotExistException $e) { | 
            
                                                                        
                            
            
                                    
            
            
                | 105 |  |  | 			return []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  | 	private function checkLimits(int $optionId, string $userId):void { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  | 		$option = $this->optionMapper->find($optionId); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  | 		$poll = $this->pollMapper->find($option->getPollId()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  | 		// check, if the optionlimit is reached or exceeded, if one is set | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  | 		if ($poll->getOptionLimit() > 0) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  | 			if ($poll->getOptionLimit() <= count($this->voteMapper->getYesVotesByOption($option->getPollId(), $option->getPollOptionText()))) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  | 				throw new VoteLimitExceededException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  | 		// check if the votelimit for the user is reached or exceeded, if one is set | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  | 		if ($poll->getVoteLimit() > 0) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  | 			$pollOptionTexts = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  | 			$votecount = 0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  | 			$options = $this->optionMapper->findByPoll($option->getPollId()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  | 			$votes = $this->voteMapper->getYesVotesByParticipant($option->getPollId(), $userId); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  | 			// Only count votes, which match to an actual existing option. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  | 			// Explanation: If an option is deleted, the corresponding votes are not deleted. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  | 			// create an array of pollOptionTexts | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  | 			foreach ($options as $element) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  | 				$pollOptionTexts[] = $element->getPollOptionText(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  | 			// only count relevant votes for the limit | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  | 			foreach ($votes as $vote) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  | 				if (in_array($vote->getVoteOptionText(), $pollOptionTexts)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  | 					$votecount++; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  | 				} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  | 			if ($poll->getVoteLimit() <= $votecount) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  | 				throw new VoteLimitExceededException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  | 	 * Set vote | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  | 	public function set(int $optionId, string $setTo, string $token = ''): Vote { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  | 		$option = $this->optionMapper->find($optionId); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  | 		if ($token) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  | 			$this->acl->setToken($token)->request(Acl::PERMISSION_VOTE); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  | 			if (intval($option->getPollId()) !== $this->acl->getPollId()) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  | 				throw new NotAuthorizedException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  | 		} else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  | 			$this->acl->setPollId($option->getPollId())->request(Acl::PERMISSION_VOTE); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  | 		if ($setTo === 'yes') { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  | 			$this->checkLimits($optionId, $this->acl->getUserId()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  | 		try { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  | 			$this->vote = $this->voteMapper->findSingleVote($this->acl->getPollId(), $option->getPollOptionText(), $this->acl->getUserId()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  | 			$this->vote->setVoteAnswer($setTo); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  | 			$this->voteMapper->update($this->vote); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  | 		} catch (DoesNotExistException $e) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  | 			// Vote does not exist, insert as new Vote | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  | 			$this->vote = new Vote(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  | 			$this->vote->setPollId($this->acl->getPollId()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  | 			$this->vote->setUserId($this->acl->getUserId()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  | 			$this->vote->setVoteOptionText($option->getPollOptionText()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  | 			$this->vote->setVoteOptionId($option->getId()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  | 			$this->vote->setVoteAnswer($setTo); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  | 			$this->voteMapper->insert($this->vote); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  | 		$this->logService->setLog($this->vote->getPollId(), Log::MSG_ID_SETVOTE, $this->vote->getUserId()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  | 		$this->watchService->writeUpdate($this->vote->getPollId(), Watch::OBJECT_VOTES); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  | 		return $this->vote; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  | 	 * Remove user from poll | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  | 	public function delete(int $pollId, string $userId): string { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  | 		$this->acl->setPollId($pollId)->request(Acl::PERMISSION_EDIT); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  | 		$this->voteMapper->deleteByPollAndUser($pollId, $userId); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  | 		$this->watchService->writeUpdate($pollId, Watch::OBJECT_VOTES); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  | 		return $userId; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  | 	} | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 196 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 197 |  |  |  |