<?php

namespace app\common\model;

use support\Model;

class InvRequisition extends Model
{
    /**
     * The connection name for the model.
     *
     * @var string|null
     */
    protected $connection = 'mysql';
    
    /**
     * The table associated with the model.
     *
     * @var string
     */
    protected $table = 'inv_requisition';

    /**
     * The primary key associated with the table.
     *
     * @var string
     */
    protected $primaryKey = 'id';

    /**
     * Indicates if the model should be timestamped.
     *
     * @var bool
     */
    public $timestamps = true;
    
    
    protected $dateFormat = 'U';

    /**
     * 允许自动填充模型字段
     */
    protected $fillable = ['id', 'order_no', 'applicant_company_id', 'dept_id', 'applicant_id', 'applicant_name', 'leader_id', 'manager_id', 'borrow_reason', 'use_start_date', 'use_end_date', 'status', 'claim_type', 'qr_claim_time', 'proxy_claim_user_id', 'proxy_claim_user_name', 'is_returned', 'remark', 'created_at', 'updated_at'];

    /**
     * 不允许自动填充模型字段
     */
    protected $guarded = [];

    // 领取方式常量
    const CLAIM_TYPE_NORMAL = 1;      // 正常申请
    const CLAIM_TYPE_QR = 2;          // 扫码领取
    const CLAIM_TYPE_PROXY = 3;        // 管理员代领

    /**
     * 领取方式文本
     */
    public static function getClaimTypeText($type)
    {
        return [
            self::CLAIM_TYPE_NORMAL => '正常申请',
            self::CLAIM_TYPE_QR => '扫码领取',
            self::CLAIM_TYPE_PROXY => '管理员代领',
        ][$type] ?? '未知';
    }

    public function approval()
    {
        return $this->hasMany('app\common\model\InvRequisitionApprove',
            'requisition_id', 'id');
    }

    /**
     * 领用明细关联
     */
    public function items()
    {
        return $this->hasMany('app\common\model\InvRequisitionItem',
            'requisition_id', 'id');
    }
}