343 lines
7.5 KiB
PHP
343 lines
7.5 KiB
PHP
<?php
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namespace Reference;
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use \Helpers\View as view;
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use \Helpers\dbh;
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use \Reference\Listener\RisListener;
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use \Files\Files;
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use \LibRIS\RISReader;
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use \LibRIS\RISTags;
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use \LibRIS\RISWriter;
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class Ris
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{
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private $db; //传入PDO对象.
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private $config; //站点设置
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private $dbh;
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protected $events = NULL;
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public $table;
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public $ris_records = NULL;
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function __construct($db = NULL,$mail = NULL)
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{
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if(empty($db))
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{
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$this->db = \Zend_Registry::get('db');
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}else{
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$this->db = $db;
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}
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$this->config = \Zend_Registry::get('config');
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$Listener = new RisListener();
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@$this->events()->attachAggregate($Listener);
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$this->table = new \Helpers\Table();
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}
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public function events(\Zend_EventManager_EventCollection $events = NULL)
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{
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if ($events !== NULL) {
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$this->events = $events;
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} elseif ($this->events === NULL) {
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$this->events = new \Zend_EventManager_EventManager(__CLASS__);
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}
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return $this->events;
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}
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//ris导入
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public function loadout()
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{
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$file = $this->uploadRisFile();
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$text = $this->loadRisText();
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if(empty($text) && $file === false)
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{
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return "导入失败，请选择要导入的文件或直接使用ris文本";
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}
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$records = array();
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if($file !== false)
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{
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$records = array_merge($records,$this->processRis($file,NULL));
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}
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if(!empty($text))
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{
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$records = array_merge($records,$this->processRis(NULL,$text));
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}
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$this->ris_records = $records;
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$data = $this->reBuildRisArray($records);
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return $data;
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}
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//上传RIS文件
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public function uploadRisFile()
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{
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if(!isset($_FILES['Filedata']))
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{
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return;
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}
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$file = $_FILES['Filedata'];
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if (@is_uploaded_file($file['tmp_name']) === false) {
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return;
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}
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return $file;
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}
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//文本直接导入
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public function loadRisText()
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{
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if(!isset($_REQUEST['ristext']))
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{
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return;
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}
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$text = $_REQUEST['ristext'];
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return $text;
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}
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//处理ris文件
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public function processRis($file = NULL,$text = NULL)
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{
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$ris = new RISReader();
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if(!empty($file) && empty($text))
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{
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$ris->parseFile($file['tmp_name']);
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}else{
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$ris->parseString($text);
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}
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$records = $ris->getRecords();
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return $records;
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}
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//对解析过的数据进行编排
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public function reBuildRisArray($records)
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{
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$data = array();
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foreach($records as $k=>$ref)
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{
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$data[$k] = array();
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foreach($ref as $index=>$value)
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{
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if(isset($this->attr[$index]))
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{
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$index_name = $this->attr[$index];
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if(count($value) > 1)
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{
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$data[$k][$index_name] = array();
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foreach($value as $item)
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{
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$data[$k][$index_name][] = $item;
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}
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}else{
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$data[$k][$index_name] = $value[0];
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}
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}
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}
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}
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unset($records);
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return $data;
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}
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//将解析好的ris数据写入数据库
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public function pushToDataTable($data){
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if(!is_array($data) || count($data) < 1)
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{
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return false;
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}
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$dbh = $this->dbh = new dbh();
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foreach($data as $k=>$ref)
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{
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if (is_null($ref['title']))
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{
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return;
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}
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@$tags = $ref['tags'];
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@$author = $ref['author'];
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$ref['ris'] = $this->makeRisData(array(0=>$this->ris_records[$k]));
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$results = $this->events()->trigger('checkLoad', $this, compact('ref'));
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$id = $results->bottom();
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if ($id > 0)
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{
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$this->unsetVar($ref);
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$this->events()->trigger('deleteAuthor', $this, compact('id'));
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$this->events()->trigger('deleteTag', $this, compact('id'));
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unset($ref['reference']);
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$dbh->update($this->table->reference,$ref," id=$id ");
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} else {
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$ref['reference'] = $this->makeReferenceFlag($ref);
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$this->unsetVar($ref);
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$id = $dbh->insert($this->table->reference,$ref,true);
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}
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$this->insertTags($id,$tags);
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$this->insertAuthor($id,$author);
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}
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}
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//更新单个reference的RIS
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public function updateWithRis($id,$ref)
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{
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if(empty($id) || !is_numeric($id))
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{
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return false;
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}
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if (is_null($ref['title']))
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{
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return;
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}
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@$tags = $ref['tags'];
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@$author = $ref['author'];
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$ref['ris'] = $this->makeRisData(array(0=>$this->ris_records[0]));
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$this->events()->trigger('deleteAuthor', $this, compact('id'));
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$this->events()->trigger('deleteTag', $this, compact('id'));
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$this->unsetVar($ref);
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if(isset($ref['reference'])) unset($ref['reference']);
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$this->dbh = $dbh = new dbh();
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if($dbh->update($this->table->reference,$ref," id=$id "))
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{
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$this->insertTags($id,$tags);
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$this->insertAuthor($id,$author);
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return true;
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}else{
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return false;
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}
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}
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//写入标签
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public function insertTags($id,$tags){
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if(is_array($tags) && count($tags) > 0)
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{
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foreach($tags as $v)
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{
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$this->dbh->insert($this->table->reference_tag,array('id'=>$id,'tag'=>$v));
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}
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return true;
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}else{
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return false;
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}
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}
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//写入作者
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public function insertAuthor($id,$author)
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{
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$index = 0;
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if(is_array($author) && count($author) > 0)
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{
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foreach($author as $v)
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{
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$index ++ ;
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$author_splited = $this->splitAuthor($v);
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$this->dbh->insert($this->table->reference_author,array('id'=>$id , 'lastname'=>$author_splited['lastname'] , 'firstname'=>$author_splited['firstname'] , 'place'=>$index ));
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}
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return true;
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}else{
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if(is_string($author))
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{
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$author_splited = $this->splitAuthor($author);
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$this->dbh->insert($this->table->reference_author,array('id'=>$id , 'lastname'=>$author_splited['lastname'] , 'firstname'=>$author_splited['firstname'] , 'place'=>0 ));
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}
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return false;
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}
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}
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//创建ris格式的数据
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public function makeRisData($ref)
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{
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$ris_writer = new RISWriter();
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return $ris_writer->writeRecords($ref);
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}
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//创建reference 字段
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public function makeReferenceFlag($ref){
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$str='';
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if(is_array($ref['author']) && count($ref['author']) > 0)
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{
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$str .= join(', ',$ref['author']).'. ';
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} else if (is_string($ref['author'])) {
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$str .= $ref['author'].'. ';
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}
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$str .= $ref['title'].'. ';
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$str .= $ref['publisher'].', ';
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isset($ref['year']) ? $str .= $ref['year'].', ':"";
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isset($ref['volume']) ? $str .= $ref['volume']:"";
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isset($ref['issue']) ? $str .= '('.$ref['issue'].')':"";
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isset($ref['pages']) ? $str .= ':'.$ref['pages']:"";
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isset($ref['endpage'])? $str .= '-'.$ref['endpage']:"";
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isset($ref['doi']) ? $str .= '. doi:'.$ref['doi'] : "";
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return $str;
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}
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//卸载不需要的变量
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public function unsetVar(&$ref)
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{
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unset($ref['pages']);
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unset($ref['endpage']);
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unset($ref['issue']);
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unset($ref['volume']);
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unset($ref['tags']);
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unset($ref['author']);
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}
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//将作者名字分割为数组
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public function splitAuthor($author){
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if(preg_match("/\,/",$author))
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{
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$arr = explode(",",$author);
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return array(
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'lastname' => trim($arr[0]),
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'firstname' => trim($arr[1])
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);
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}else{
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return array(
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'firstname' => '',
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'lastname' => trim($author)
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);
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}
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}
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public $attr = array(
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'TY' => 'type',
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'TI' => 'title',
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'AU' => 'author',
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'PY' => 'year',
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'LA' => 'language',
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'KW' => 'tags',
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'AB' => 'abstract',
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'DO' => 'doi',
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'T2' => 'publisher',
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'VL' => 'volume',
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'IS' => 'issue',
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'SP' => 'pages',
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'EP' => 'endpage'
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);
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}
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