<?php

/**
 * 自定义模型字段添加
 *
 * @version        $Id: mychannel_field_add.php 1 15:07 2010年7月20日Z tianya $
 * @package        DedeBIZ.Administrator
 * @copyright      Copyright (c) 2021, DedeBIZ.COM
 * @license        https://www.dedebiz.com/license
 * @link           https://www.dedebiz.com
 */
require_once(dirname(__FILE__)."/config.php");
CheckPurview('c_New');
require_once(DEDEADMIN."/inc/inc_admin_channel.php");
require_once(DEDEINC."/dedetag.class.php");

if (empty($action)) $action = '';
$mysql_version = $dsql->GetVersion();

/*----------------------
function Save()
---------------------*/
if ($action == 'save') {
    //修改字段配置信息
    $dfvalue = trim($vdefault);
    $isnull = ($isnull == 1 ? "true" : "false");
    $mxlen = $maxlength;


    if (preg_match("#^(select|radio|checkbox)$#i", $dtype)) {
        if (!preg_match("#,#", $dfvalue)) {
            ShowMsg("您设定了字段为 {$dtype} 类型，必须在默认值中指定元素列表，如：'a,b,c' ", "-1");
            exit();
        }
    }

    if ($dtype == 'stepselect') {
        $arr = $dsql->GetOne("SELECT * FROM `#@__stepselect` WHERE egroup='$fieldname' ");
        if (!is_array($arr)) {
            ShowMsg("您设定了字段为联动类型，但系统中没找到与您定义的字段名相同的联动组名!", "-1");
            exit();
        }
    }

    //模型信息
    $row = $dsql->GetOne("SELECT fieldset,addtable,issystem FROM `#@__channeltype` WHERE id='$id'");
    $fieldset = $row['fieldset'];
    $dtp = new DedeTagParse();
    $dtp->SetNameSpace("field", "<", ">");
    $dtp->LoadSource($fieldset);
    $trueTable = $row['addtable'];

    //检测被修改的字段类型
    $fieldinfos = GetFieldMake($dtype, $fieldname, $dfvalue, $mxlen);

    $ntabsql = $fieldinfos[0];
    $buideType = $fieldinfos[1];
    $rs = $dsql->ExecuteNoneQuery("ALTER TABLE `$trueTable` ADD $ntabsql ");
    if (!$rs) {
        $gerr = $dsql->GetError();
        ShowMsg("增加字段失败，错误提示为：".$gerr, "javascript:;");
        exit();
    }

    //检测旧配置信息，并替换为新配置
    $ok = FALSE;
    $fieldname = strtolower($fieldname);
    if (is_array($dtp->CTags)) {
        foreach ($dtp->CTags as $tagid => $ctag) {
            if ($fieldname == strtolower($ctag->GetName())) {
                $dtp->Assign($tagid, stripslashes($fieldstring), FALSE);
                $ok = true;
                break;
            }
        }
        $oksetting = $ok ? $dtp->GetResultNP() : $fieldset."\n".stripslashes($fieldstring);
    } else {
        $oksetting = $fieldset."\r\n".stripslashes($fieldstring);
    }

    $addlist = GetAddFieldList($dtp, $oksetting);
    $oksetting = addslashes($oksetting);
    $rs = $dsql->ExecuteNoneQuery("UPDATE `#@__channeltype` SET fieldset='$oksetting',listfields='$addlist' WHERE id='$id' ");
    if (!$rs) {
        $grr = $dsql->GetError();
        ShowMsg("保存节点配置出错".$grr, "javascript:;");
        exit();
    }

    ShowMsg("成功增加一个字段", "mychannel_edit.php?id={$id}&dopost=edit&openfield=1");
    exit();
}

/*----------------------
function ShowPage()
---------------------*/
//检测模型相关信息，并初始化相关数据
$row = $dsql->GetOne("SELECT '#@__archives' AS maintable,addtable FROM `#@__channeltype` WHERE id='$id'");

$trueTable = $row['addtable'];
$tabsql = "CREATE TABLE IF NOT EXISTS  `$trueTable`( `aid` int(11) NOT NULL default '0',\r\n `typeid` int(11) NOT NULL default '0',\r\n ";

if ($mysql_version < 4.1) {
    $tabsql .= " PRIMARY KEY  (`aid`), KEY `".$trueTable."_index` (`typeid`)\r\n) TYPE=MyISAM; ";
} else {
    $tabsql .= " PRIMARY KEY  (`aid`), KEY `".$trueTable."_index` (`typeid`)\r\n) ENGINE=MyISAM DEFAULT CHARSET=".$cfg_db_language."; ";
}

$dsql->ExecuteNoneQuery($tabsql);

//检测附加表里含有的字段
$fields = array();

if (empty($row['maintable'])) $row['maintable'] = '#@__archives';

$rs = $dsql->SetQuery("SHOW fields FROM `{$row['maintable']}`");
$dsql->Execute('a');
while ($nrow = $dsql->GetArray('a', MYSQL_ASSOC)) {
    if ($cfg_dbtype == 'sqlite') {
        $nrow['Field'] = $nrow['name'];
    }
    $fields[strtolower($nrow['Field'])] = 1;
}

$dsql->Execute("a", "SHOW fields FROM `{$row['addtable']}`");
while ($nrow = $dsql->GetArray('a', MYSQL_ASSOC)) {
    if ($cfg_dbtype == 'sqlite') {
        $nrow['Field'] = $nrow['name'];
    }
    if (!isset($fields[strtolower($nrow['Field'])])) {
        $fields[strtolower($nrow['Field'])] = 1;
    }
}

$f = '';
foreach ($fields as $k => $v) {
    $f .= ($f == '' ? $k : ' '.$k);
}

// 获取频道模型
$dsql->SetQuery("SELECT id,typename,nid FROM `#@__channeltype` WHERE id<>-1 AND isshow=1 ORDER BY id");
$dsql->Execute();
while ($row = $dsql->GetObject()) {
    $channelArray[$row->id]['typename'] = $row->typename;
    $channelArray[$row->id]['nid'] = $row->nid;
}

require_once(DEDEADMIN."/templets/mychannel_field_add.htm");