<?php
/**
 * The zen file of transfer module of ZenTaoPMS.
 *
 * @copyright   Copyright 2009-2023 禅道软件（青岛）有限公司(ZenTao Software (Qingdao) Co., Ltd. www.zentao.net)
 * @license     ZPL(https://zpl.pub/page/zplv12.html) or AGPL(https://www.gnu.org/licenses/agpl-3.0.en.html)
 * @author      Tang Hucheng<tanghucheng@easycorp.ltd>
 * @package     transfer
 * @link        https://www.zentao.net
 */

class transferTao extends transferModel
{
    /**
     * 根据config:dataSource中配置的方法获取字段数据源。
     * Get source by module method.
     *
     * @param  string $module
     * @param  string $callModule
     * @param  string $method
     * @param  string|array|int $params
     * @param  string|array     $pairs
     * @access protected
     * @return array
     */
    protected function getSourceByModuleMethod($module, $callModule, $method, $params = '', $pairs = '')
    {
        /* 获取模块传递的参数。 */
        /* Get params. */
        $getParams = $this->session->{$module . 'TransferParams'};

        /* 解析dataSource params中配置的参数。 */
        /* Parse params. */
        if(is_string($params)) $params = explode('&', $params);

        foreach($params as $param => $value)
        {
            /* 如果参数是$开头的变量，则从SESSION中获取该变量。 */
            /* If the param is $var, get it from SESSION. */
            if(!is_string($value)) continue;
            if(strpos($value, '$') === false) continue;
            $params[$param] = isset($getParams[ltrim($value, '$')]) ? $getParams[ltrim($value, '$')] : '';
            if(isset($this->config->transfer->convertInt[$callModule][$method][ltrim($value, '$')])) $params[$param] = (int)$params[$param];
            if(isset($this->config->transfer->convertInt[$callModule][$method][$param]))             $params[$param] = (int)$params[$param];
        }

        /* 调用模块的方法。 */
        /* If this method has multiple parameters use call_user_func_array. */
        if(is_array($params) and $params)
        {
            $values = call_user_func_array(array($this->loadModel($callModule), $method), $params);
        }
        else
        {
            $values = $this->loadModel($callModule)->$method($params);
        }

        /* 解析dataSource pairs中配置的参数(是否需要返回array(key => value)形式的关联数组。 */
        /* Parse pairs. */
        if(!empty($pairs))
        {
            $valuePairs = array();
            foreach($values as $key => $value)
            {
                if(is_object($value)) $value = get_object_vars($value);

                $valuePairs[$key] = $value[$pairs[1]];
                if(!empty($pairs[0])) $valuePairs[$value[$pairs[0]]] = $value[$pairs[1]];
            }
            $values = $valuePairs;
        }

        return $values;
    }

    /**
     * 根据id获取附件分组。
     * Get file group by id.
     *
     * @param  string $module
     * @param  array  $idList
     * @access protected
     * @return array
     */
    protected function getFileGroups($module, $idList)
    {
        if(in_array($module, array('epic', 'requirement'))) $module = "{$module},story";
        return $this->dao->select('id, objectID, pathname, title')->from(TABLE_FILE)
            ->where('objectType')->in($module)
            ->beginIf($idList)->andWhere('objectID')->in($idList)->fi()
            ->andWhere('extra')->ne('editor')
            ->fetchGroup('objectID');
    }

    /**
     * 获取级联数据列表。
     * Get cascade list for export excel.
     *
     * @param string $module
     * @param  array  $lists
     * @access protected
     * @return array
     */
    protected function getCascadeList($module, $lists)
    {
        /* 如果没有配置config->cascade，则不需要进行级联操作。*/
        /* If has not cascade config, do not need to do cascade operation. */
        $this->commonActions($module);
        if(!isset($this->moduleConfig->cascade)) return $lists;

        $cascadeArray = $this->moduleConfig->cascade;

        foreach($cascadeArray as $field => $linkField)
        {
            $fieldName     = $field . 'List';
            $linkFieldName = $linkField . 'List';
            $tmpFieldName  = array();

            if(isset($_POST['cascade'][$field]))
            {
                if(is_array($_POST['cascade'][$field])) $lists[$fieldName] = $_POST['cascade'][$field];
                continue;
            }

            if(empty($lists[$fieldName]) || empty($lists[$linkFieldName])) continue;

            /* 根据字段名获取表名。*/
            /* Get table name by field name. */
            $table = zget($this->config->objectTables, $field, '');
            if(empty($table)) continue;

            /* 根据字段名获取关联数据。*/
            /* Get ID list by field name. */
            $fieldIDList = array_keys($lists[$fieldName]);
            $fieldDatas  = $this->dao->select("id, $linkField")->from($table)->where('id')->in($fieldIDList)->fetchPairs();

            if(empty($fieldDatas)) continue;

            /* 将获取到的数据替换到lists中。*/
            /* Replace data to lists. */
            foreach($fieldDatas as $id => $linkFieldID)
            {
                $tmpFieldName[0][$id] = $tmpFieldName[$linkFieldID][$id] = $lists[$fieldName][$id];
            }
            $lists[$fieldName] = $tmpFieldName;
        }

        return $lists;
    }

    /**
     * 解析Excel中下拉框单元格的值。
     * Parse value of multiple dropdown cells.
     *
     * @param  string    $cellValue
     * @param  string    $field
     * @param  array     $values
     * @access protected
     * @return array
     */
    protected function extractElements($cellValue, $field, $values)
    {
        if(empty($values)) return $cellValue;

        /* 多行下拉框和单行下拉框都按照多行处理。*/
        /* Multiple dropdowns and single dropdowns are processed in multiple rows. */
        $cellValue = explode("\n", $cellValue);
        foreach($cellValue as &$value)
        {
            /* 解析下拉框的值value(#rawValue)，提取rawValue。*/
            /* Parse dropdown values value(#rawValue) and extract rawValue. */
            if(strrpos($value, '(#') !== false)
            {
                $value = trim(substr($value, strrpos($value,'(#') + 2), ')');
            }
            else
            {
                /* 如果value在values中存在则在values中查找（一般为语言项）。*/
                /* If value exists in values, find it in values (usually as a language item). */
                $valueKey = array_search($value, $values);
                $value    = $valueKey !== false ? $valueKey : $value;
            }
        }

        /* 过滤掉数组中的空值（null、空字符串、0等）以及值为字符串 '0' 的元素，只保留其他非空元素。*/
        /* Filter out empty values (null, empty string, 0, etc.) in the array and only keep other non-empty elements. */
        $cellValue = array_filter($cellValue, function($v) {return (empty($v) && $v == '0') || !empty($v);});
        return implode(',', $cellValue);
    }

    /**
     * 配置导入字段。
     * Config import fields.
     *
     * @param  string $module
     * @access protected
     * @return array
     */
    protected function getImportFields($module = '')
    {
        $this->commonActions($module);
        $moduleLang = $this->moduleLang;
        $fields     = explode(',', $this->moduleConfig->templateFields); // 获取导入模板字段

        array_unshift($fields, 'id');
        foreach($fields as $key => $fieldName)
        {
            /* 匹配语言项。 */
            /* Match language item. */
            $fieldName = trim($fieldName);
            $fields[$fieldName] = isset($moduleLang->$fieldName) ? $moduleLang->$fieldName : $fieldName;
            unset($fields[$key]);
        }

        /* 获取工作流扩展字段。*/
        /* Get workflow extend fields. */
        if($this->config->edition != 'open')
        {
            $appendFields = $this->loadModel('flow')->getExtendFields($module, 'showimport');
            foreach($appendFields as $appendField)
            {
                /* 不是内置字段并且在导入确认页面展示。 */
                /* Is not builtin field and show in import confirm page. */
                if(!$appendField->buildin and $appendField->show) $fields[$appendField->field] = $appendField->name;
            }
        }

        return $fields;
    }

    /**
     * 更新子数据。
     * Update children datas.
     *
     * @param  array $datas
     * @access protected
     * @return array
     */
    protected function updateChildDatas($datas)
    {
        foreach($datas as $id => $data)
        {
            if(!empty($data->mode)) $datas[$id]->name = '[' . $this->lang->task->multipleAB . '] ' . $data->name; //任务类型（多人任务/单人任务）
        }

        /* 如果存在子数据,则将子数据插入到父数据之后。*/
        /* Move child data after parent data. */
        $children = array();
        $orphans  = array();
        foreach($datas as $data)
        {
            $parentId = isset($data->parentId) ? $data->parentId : (isset($data->parent) ? $data->parent : 0);
            if($parentId != 0 && !isset($datas[$parentId]))
            {
                $orphans[] = $data;
            }
            else
            {
                if(!isset($children[$parentId])) $children[$parentId] = array();
                $children[$parentId][] = $data;
            }
        }

        if(empty($children)) return $datas;

        $buildTree = function($parentId) use (&$buildTree, &$children)
        {
            $result = array();
            if(isset($children[$parentId]))
            {
                foreach($children[$parentId] as $child)
                {
                    $result[] = $child;
                    $result = array_merge($result, $buildTree($child->id));
                }
            }

            return $result;
        };

        $tree = array_merge((array)$buildTree(0), $orphans);
        if(count($tree) != count($datas)) return $datas;
        return $tree;
    }
}