<?php
header('Content-type: application/json; charset=utf8');

//查询term字典
require_once "../path.php";

$PDO = new PDO("sqlite:"._FILE_DB_TERM_, "", "",array(PDO::ATTR_PERSISTENT=>true));
$PDO->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING);

if(isset($_GET["op"])){
	$op=$_GET["op"];
}
else if(isset($_POST["op"])){
	$op=$_POST["op"];
}

switch($op){
	case "sync":
	{
		$time=$_POST["time"];
		$query = "select guid,modify_time from term  where receive_time>'{$time}' limit 0,1000";

		$stmt = $PDO->query($query);
		$Fetch = $stmt->fetchAll(PDO::FETCH_ASSOC);
		$iFetch=count($Fetch);
		echo json_encode($Fetch, JSON_UNESCAPED_UNICODE);

		break;
	}
	case "get":
	{
		if(isset($_GET["id"])){
			$id=$_GET["id"];
		}
		else if(isset($_POST["id"])){
			$id=$_POST["id"];
		}
		else{
			return;
		}
		$arrId = json_decode($id);
		$queryId="('";
		foreach($arrId as $one){
			$queryId .= $one."','";
		}
		$queryId = substr($queryId,0,-2).")";
		$query = "select guid, word, word_en, meaning, other_meaning, note, tag, create_time, owner, hit,language,receive_time,modify_time from term  where guid in {$queryId}";

		$stmt = $PDO->query($query);
		$Fetch = $stmt->fetchAll(PDO::FETCH_ASSOC);
		echo json_encode($Fetch,JSON_UNESCAPED_UNICODE);
		break;
	}
	case "insert":
	{
		echo "正在准备插入记录<br>";
		if(isset($_POST["data"])){
			$data=$_POST["data"];
		}
		else{
			echo "没有数据<br>";
			return;
		}
		$arrData = json_decode($data);
		// 开始一个事务，关闭自动提交

		$PDO->beginTransaction();
		$query="INSERT INTO term ('id', 
								'guid', 
								'word', 
								'word_en', 
								'meaning', 
								'other_meaning', 
								'note', 
								'tag', 
								'create_time', 
								'owner', 
								'hit',
								'language',
								'receive_time',
								'modify_time'
								) VALUES (NULL,?,?,?,?,?,?,?,?,?,?,?,?,?)";		
		
		$stmt = $PDO->prepare($query);
		foreach($arrData as $oneParam){
			$param=array();
			$param[]=$oneParam->guid;
			$param[]=$oneParam->word;
			$param[]=$oneParam->word_en;
			$param[]=$oneParam->meaning;
			$param[]=$oneParam->other_meaning;
			$param[]=$oneParam->note;
			$param[]=$oneParam->tag;
			$param[]=$oneParam->create_time;
			$param[]=$oneParam->owner;
			$param[]=$oneParam->hit;
			$param[]=$oneParam->language;
			$param[]=time();
			$param[]=$oneParam->modify_time;
			$stmt->execute($param);
		}
		// 提交更改 
		$PDO->commit();
		if (!$stmt || ($stmt && $stmt->errorCode() != 0)) {
			$error = $PDO->errorInfo();
			echo "error - $error[2] <br>";
		}
		else{
			$count=count($arrData);
			echo "INSERT $count recorders."."<br>";
		}
		break;
	}
	case "update":
	{
		echo "更在准备更新数据<br>";
		if(isset($_POST["data"])){
			$data=$_POST["data"];
		}
		else{
			echo "没有输入数据<br>";
			return;
		}
		$arrData = json_decode($data);
	

		// 开始一个事务，关闭自动提交
		try{
			$PDO->beginTransaction();
			foreach($arrData as $one){
				$query="UPDATE term SET word='{$one->word}' ,
									word_en='{$one->word_en}' ,
									meaning='{$one->meaning}' ,
									other_meaning='{$one->other_meaning}' ,
									note='{$one->note}' ,
									tag='{$one->tag}' ,
									create_time='{$one->create_time}' ,
									owner='{$one->owner}' ,
									hit='{$one->hit}' ,
									language='{$one->language}' ,
									receive_time='".time()."' ,
									modify_time='{$one->modify_time}'
								where guid='{$one->guid}'";			
				$PDO->exec($query);
			}
			// 提交更改 
			$PDO->commit();
			echo "update ".count($arrData)."<br>";
		}
		catch(Exception $e){
			$PDO->rollback();
			echo "Failed:".$e->getMessage()."<br>";				
		}
		
		break;
	}
}

?>