<?php
/*
获取某书的资源列表
输入：book id
album id
paragraph
输出：资源列表的json数据
 */
require_once "../studio/checklogin.inc";
require_once "../config.php";
require_once "../public/_pdo.php";
require_once "../studio/public.inc";

if (isset($_GET["book"])) {
    $book = $_GET["book"];
} else {
    echo "no book id";
    exit;
}
if (substr($book, 0, 1) == 'p') {
    $book = substr($book, 1);
}

if (isset($_GET["paragraph"])) {
    $paragraph = $_GET["paragraph"];
} else {
    $paragraph = -1;
}

function format_file_size($size)
{
    if ($size < 102) {
        $str_size = $size . "B";
    } else if ($size < (1024 * 102)) {
        $str_size = sprintf("%.1f KB", $size / 1024);
    } else {
        $str_size = sprintf("%.1f MB", $size / (1024 * 1024));
    }
    return ($str_size);
}

PDO_Connect(_FILE_DB_RESRES_INDEX_);

$res = array();
//查书
if ($paragraph > 0) {
    //查书中的一个段
    PDO_Connect(_FILE_DB_RESRES_INDEX_);
    $query = "SELECT * from \""._TABLE_RES_INDEX_."\" where book='{$book}' and paragraph='{$paragraph}' and type < '5' ";
    $Fetch = PDO_FetchAll($query);
    $iFetch = count($Fetch);
    if ($iFetch > 0) {
        //可用资源
        foreach ($Fetch as $one_album) {
            array_push($res, array("book" => $book,
                "album_id" => $one_album["album"],
                "paragraph" => $paragraph,
                "type" => $one_album["type"],
                "title" => $one_album["title"],
                "author" => $one_album["author"],
                "editor" => $one_album["editor"],
                "edition" => $one_album["edition"],
                "language" => $one_album["language"],
                "level" => $one_album["level"],
            ));
            if ($one_album["type"] == 1) {
                array_push($res, array("book" => $book,
                    "album_id" => UUID(),
                    "paragraph" => $paragraph,
                    "type" => 6,
                    "title" => $one_album["title"],
                    "author" => $one_album["author"],
                    "editor" => $one_album["editor"],
                    "edition" => $one_album["edition"],
                    "language" => $one_album["language"],
                    "level" => $one_album["level"],
                ));

            }
        }
    }
    //查共享文档
    PDO_Connect(_FILE_DB_FILEINDEX_);
    $query = "select * from fileindex where book='$book' and paragraph=$paragraph  and status>0 and share>0 order by create_time";
    $Fetch = PDO_FetchAll($query);
    $iFetch = count($Fetch);
    if ($iFetch > 0) {
        foreach ($Fetch as $one_file) {
            array_push($res, array("type" => "share",
                "id" => $one_file["id"],
                "title" => $one_file["title"],
                "author" => $one_file["user_id"],
            ));
        }
    }
    //查我的文档
    if ($UID != "") {
        $query = "select * from fileindex where book='$book' and paragraph=$paragraph and status!=0 and user_id='{$UID}' order by create_time DESC";
        $Fetch = PDO_FetchAll($query);
        $iFetch = count($Fetch);
        if ($iFetch > 0) {
            foreach ($Fetch as $one_file) {
                array_push($res, array("type" => "mydoc",
                    "id" => $one_file["id"],
                    "title" => $one_file["title"],
                    "file_name" => $one_file["file_name"],
                    "author" => $one_file["user_id"],
                ));
            }
        }
    }
}

echo json_encode($res, JSON_UNESCAPED_UNICODE);