'use strict';

/**
 *
 *
 * @author Mai
 * @date 2018/8/14
 * @version
 */

const audit = require('../const/audit');
const fs = require('fs');
const path = require('path');

module.exports = app => {
    class Change extends app.BaseService {
        /**
         * 构造函数
         *
         * @param {Object} ctx - egg全局变量
         * @return {void}
         */
        constructor(ctx) {
            super(ctx);
            this.tableName = 'change';
        }

        /**
         * 查找数据
         *
         * @param {Object} data - 筛选表单中的get数据
         * @return {void}
         */
        searchFilter(data) {
            this.initSqlBuilder();
            // this.sqlBuilder.columns = ['id', 'username', 'real_name', 'create_time', 'last_login', 'login_ip',
            //     'group_id', 'token', 'can_login'];

            data.type = parseInt(data.status);
            if (data.keyword !== undefined) {
                switch (data.type) {
                    // 用户名
                    case 1:
                        this.sqlBuilder.setAndWhere('username', {
                            value: this.db.escape(data.keyword + '%'),
                            operate: 'like',
                        });
                        break;
                    // 姓名
                    case 2:
                        this.sqlBuilder.setAndWhere('real_name', {
                            value: this.db.escape(data.keyword + '%'),
                            operate: 'like',
                        });
                        break;
                    // 联系电话
                    case 3:
                        this.sqlBuilder.setAndWhere('telephone', {
                            value: this.db.escape(data.keyword + '%'),
                            operate: 'like',
                        });
                        break;
                    default:
                        break;
                }
            }

            // 办事处筛选
            if (data.office !== undefined && data.office !== '') {
                this.sqlBuilder.setAndWhere('office', {
                    value: this.db.escape(data.office),
                    operate: '=',
                });
            }
        }

        async add(tenderId, userId, code, name) {
            const count = await this.count({ tid: tenderId, code });
            if (count > 0) {
                throw '变更令号重复';
            }

            // 初始化事务
            this.transaction = await this.db.beginTransaction();
            let result = false;
            try {
                const cid = this.uuid.v4();
                const change = {
                    cid,
                    tid: tenderId,
                    uid: userId,
                    status: audit.flow.status.uncheck,
                    times: 1,
                    valid: true,
                    in_time: new Date(),
                    code,
                    name,
                };
                const operate = await this.transaction.insert(this.tableName, change);

                if (operate.affectedRows <= 0) {
                    throw '新建变更令数据失败';
                }

                // 把提交人信息添加到zh_change_audit
                const userInfo = await this.ctx.service.projectAccount.getDataById(userId);
                const changeaudit = {
                    tid: tenderId,
                    cid,
                    uid: userId,
                    name: userInfo.name,
                    jobs: userInfo.role,
                    company: userInfo.company,
                    times: 1,
                    usite: 0,
                    usort: 0,
                    status: 2,
                };

                await this.transaction.insert(this.ctx.service.changeAudit.tableName, changeaudit);

                result = change;
                this.transaction.commit();
            } catch (error) {
                console.log(error);
                // 回滚
                await this.transaction.rollback();
            }

            return result;
        }

        async pendingDatas(tenderId, userId) {
            return await this.getAllDataByCondition({
                tid: tenderId,
                uid: userId,
                status: audit.flow.status.checking,
            });
        }

        async uncheckDatas(tenderId, userId) {
            return await this.getAllDataByCondition({
                tid: tenderId,
                uid: userId,
                status: audit.flow.status.uncheck,
            });
        }

        async checkingDatas(tenderId, userId) {
            return await this.getAllDataByCondition({
                tid: tenderId,
                uid: userId,
                status: audit.flow.status.checking,
            });
        }

        async checkedDatas(tenderId, userId) {
            return await this.getAllDataByCondition({
                tid: tenderId,
                uid: userId,
                status: audit.flow.status.checked,
            });
        }

        async checkNoDatas(tenderId, userId) {
            return await this.getAllDataByCondition({
                tid: tenderId,
                uid: userId,
                status: audit.flow.status.checkNo,
            });
        }

        async checkNoCount(tenderId, userId) {
            return await this.count({
                tid: tenderId,
                uid: userId,
                status: audit.flow.status.checkNo,
            });
        }


        /**
         * 获取变更令列表
         * @param {int} tenderId - 标段id
         * @param {int} status - 状态
         * @return {object} list - 列表
         */
        async getListByStatus(tenderId, status = 0) {
            let sql = '';
            let sqlParam = '';
            switch (status) {
                case 0:// 包含你的所有变更令
                    sql = 'SELECT a.* FROM ?? AS a WHERE a.tid = ? AND ' +
                        '(a.uid = ? OR (a.status != 1 AND a.cid IN (SELECT b.cid FROM ?? AS b WHERE b.uid = ? GROUP BY b.cid))) ORDER BY a.in_time DESC';
                    sqlParam = [this.tableName, tenderId, this.ctx.session.sessionUser.accountId,
                        this.ctx.service.changeAudit.tableName, this.ctx.session.sessionUser.accountId];
                    break;
                case 1:// 待处理(你的)
                    sql = 'SELECT a.* FROM ?? as a WHERE cid in(SELECT b.cid FROM ?? as b WHERE tid = ? AND uid = ? AND status = ?) ORDER BY in_time DESC';
                    sqlParam = [this.tableName, this.ctx.service.changeAudit.tableName, tenderId, this.ctx.session.sessionUser.accountId, 2];
                    break;
                case 5:// 待上报(所有的)PS：取未上报和退回的变更令
                    sql = 'SELECT a.* FROM ?? AS a WHERE ' +
                        'a.cid IN (SELECT b.cid FROM ?? AS b WHERE b.uid = ? GROUP BY b.cid) AND ' +
                        '(a.status = 1 OR a.status = 5) AND a.tid = ? ORDER BY a.in_time DESC';
                    sqlParam = [this.tableName, this.ctx.service.changeAudit.tableName,
                        this.ctx.session.sessionUser.accountId, tenderId];
                    break;
                case 2:// 进行中（所有的）
                case 3:// 已完成（所有的）
                case 4:// 终止（所有的）
                    sql = 'SELECT a.* FROM ?? AS a WHERE ' +
                        'a.cid IN (SELECT b.cid FROM ?? AS b WHERE b.uid = ? GROUP BY b.cid) AND ' +
                        'a.status = ? AND a.tid = ? ORDER BY a.in_time DESC';
                    sqlParam = [this.tableName, this.ctx.service.changeAudit.tableName,
                        this.ctx.session.sessionUser.accountId, status, tenderId];
                    break;
                default:
                    break;
            }

            const limit = this.app.config.pageSize;
            const offset = limit * (this.ctx.page - 1);
            const limitString = offset >= 0 ? offset + ',' + limit : limit;
            sql += ' LIMIT ' + limitString;
            const list = await this.db.query(sql, sqlParam);
            return list;
        }

        /**
         * 获取变更令个数
         * @param {int} tenderId - 标段id
         * @param {int} status - 状态
         * @return {void}
         */
        async getCountByStatus(tenderId, status) {
            switch (status) {
                case 0:// 包含你的所有变更令
                    const sql = 'SELECT count(*) AS count FROM ?? AS a WHERE a.tid = ? AND ' +
                        '(a.uid = ? OR a.cid IN (SELECT b.cid FROM ?? AS b WHERE b.uid = ? GROUP BY b.cid))';
                    const sqlParam = [this.tableName, tenderId, this.ctx.session.sessionUser.accountId,
                        this.ctx.service.changeAudit.tableName, this.ctx.session.sessionUser.accountId];
                    const result = await this.db.query(sql, sqlParam);
                    return result[0].count;
                case 1:// 待处理(你的)
                    return await this.ctx.service.changeAudit.count({
                        tid: tenderId,
                        uid: this.ctx.session.sessionUser.accountId,
                        status: 2,
                    });
                case 5:// 待上报(所有的)PS：取未上报和退回的变更令
                    const sql2 = 'SELECT count(*) AS count FROM ?? AS a WHERE ' +
                        'a.cid IN (SELECT b.cid FROM ?? AS b WHERE b.uid = ? GROUP BY b.cid) ' +
                        'AND (a.status = 1 OR a.status = 5) AND a.tid = ?';
                    const sqlParam2 = [this.tableName, this.ctx.service.changeAudit.tableName,
                        this.ctx.session.sessionUser.accountId, tenderId];
                    const result2 = await this.db.query(sql2, sqlParam2);
                    return result2[0].count;
                case 2:// 进行中（所有的）
                case 3:// 已完成（所有的）
                case 4:// 终止（所有的）
                    const sql3 = 'SELECT count(*) AS count FROM ?? AS a WHERE ' +
                        'a.cid IN (SELECT b.cid FROM ?? AS b WHERE b.uid = ? GROUP BY b.cid) AND a.status = ? AND a.tid = ?';
                    const sqlParam3 = [this.tableName, this.ctx.service.changeAudit.tableName,
                        this.ctx.session.sessionUser.accountId, status, tenderId];
                    const result3 = await this.db.query(sql3, sqlParam3);
                    return result3[0].count;
                default:
                    break;
            }
        }

        /**
         * 上报或重新上报或保存修改功能
         * @param {int} postData - 表单提交的数据
         * @param {int} tenderId - 标段id
         * @return {void}
         */
        async save(postData, tenderId) {
            // 初始化事务
            this.transaction = await this.db.beginTransaction();
            let result = false;
            try {
                // 变更令信息
                const changeInfo = await this.getDataByCondition({ cid: postData.cid });
                // 该变更令原报人信息
                const lastUser = await this.ctx.service.changeAudit.getLastUser(changeInfo.cid, changeInfo.times, 0);
                // 先删除本次原有的变更审批人和清单
                await this.ctx.service.changeAudit.deleteAuditData(this.transaction, changeInfo.cid, changeInfo.times);
                await this.transaction.delete(this.ctx.service.changeAuditList.tableName, { cid: changeInfo.cid });
                let change_status = false;
                // 获取变更令提交状态
                if (postData.changestatus !== undefined && parseInt(postData.changestatus) === 1) {
                    change_status = true;
                    // 更新原报人审批状态
                    await this.transaction.update(this.ctx.service.changeAudit.tableName, { id: lastUser.id, status: 3, sin_time: new Date() });
                }
                // 再插入postData里的变更审批人和清单
                if (postData.changeaudit !== undefined && postData.changeaudit !== '') {
                    const changeAudit = postData.changeaudit.split(',');
                    const insertCA = [];
                    let uSite = 1;
                    let uSort = parseInt(lastUser.usort) + 1;
                    for (const [index, ca] of changeAudit.entries()) {
                        const auditInfo = ca.split('/%/');
                        const uStatus = change_status && index === 0 ? 2 : 1;
                        const sin_time = change_status && index === 0 ? new Date() : null;
                        const caArray = {
                            tid: tenderId,
                            cid: changeInfo.cid,
                            uid: auditInfo[0],
                            name: auditInfo[1],
                            jobs: auditInfo[2],
                            company: auditInfo[3],
                            times: changeInfo.times,
                            usite: uSite,
                            usort: uSort,
                            status: uStatus,
                            sin_time,
                        };
                        uSite++;
                        uSort++;
                        insertCA.push(caArray);
                    }
                    await this.transaction.insert(this.ctx.service.changeAudit.tableName, insertCA);
                }
                let changeList = [];
                if (postData.changelist !== undefined && postData.changelist !== '') {
                    changeList = postData.changelist.split('^_^');
                }
                let changeWhiteList = [];
                if (postData.changewhitelist !== undefined && postData.changewhitelist !== '') {
                    changeWhiteList = postData.changewhitelist.split('^_^');
                }
                changeList.push.apply(changeList, changeWhiteList);
                const insertCL = [];
                let total_price = 0;
                if (changeList.length > 0) {
                    for (const cl of changeList) {
                        const clInfo = cl.split(';');
                        const clArray = {
                            tid: tenderId,
                            cid: changeInfo.cid,
                            lid: clInfo[7],
                            code: clInfo[0],
                            name: clInfo[1],
                            unit: clInfo[2],
                            unit_price: clInfo[3],
                            oamount: clInfo[4],
                            camount: clInfo[5],
                            samount: '',
                            detail: clInfo[6],
                        };
                        insertCL.push(clArray);
                        total_price = this.ctx.helper.accAdd(total_price, this.ctx.helper.accMul(clArray.unit_price, clArray.camount));
                    }
                    await this.transaction.insert(this.ctx.service.changeAuditList.tableName, insertCL);
                }
                // 修改变更令基本数据
                const cArray = {
                    code: postData.code,
                    name: postData.name,
                    peg: postData.peg,
                    org_name: postData.org_name,
                    org_code: postData.org_code,
                    new_name: postData.new_name,
                    new_code: postData.new_code,
                    content: postData.content,
                    basis: postData.basis,
                    memo: postData.memo,
                    type: postData.type.join(','),
                    class: postData.class,
                    quality: postData.quality,
                    company: postData.company,
                    charge: postData.charge,
                    total_price,
                };
                const options = {
                    where: {
                        cid: changeInfo.cid,
                    },
                };
                if (change_status) {
                    cArray.status = 2;
                    cArray.cin_time = Date.parse(new Date()) / 1000;
                }
                await this.transaction.update(this.tableName, cArray, options);
                await this.transaction.commit();
                result = true;
            } catch (error) {
                await this.transaction.rollback();
                result = false;
            }
            return result;
        }

        /**
         * 审批通过
         * @param {int} postData - 表单提交的数据
         * @return {void}
         */
        async approvalSuccess(postData) {
            // 初始化事务
            this.transaction = await this.db.beginTransaction();
            let result = false;
            try {
                // 设置审批人通过
                const audit_update = {
                    id: postData.audit_id,
                    sdesc: postData.sdesc,
                    status: 3,
                    sin_time: new Date(),
                };
                const change_update = {
                    w_code: postData.w_code,
                    status: 2,
                    cin_time: Date.parse(new Date()) / 1000,
                };
                await this.transaction.update(this.ctx.service.changeAudit.tableName, audit_update);
                // 清单数据更新
                const bills_list = postData.bills_list.split(',');
                let total_price = 0;
                for (const bl of bills_list) {
                    const listInfo = bl.split('_');
                    const lid = listInfo[0];
                    const amount = listInfo[1];
                    const changeListInfo = await this.ctx.service.changeAuditList.getDataById(lid);
                    if (changeListInfo !== undefined) {
                        total_price += this.ctx.helper.accMul(changeListInfo.unit_price, parseFloat(amount));
                        const audit_amount = changeListInfo.audit_amount !== null && changeListInfo.audit_amount !== '' ? changeListInfo.audit_amount.split(',') : [];
                        audit_amount.push(amount);
                        const list_update = {
                            id: lid,
                            audit_amount: audit_amount.join(','),
                        };
                        if (postData.audit_next_id === undefined) {
                            list_update.samount = amount;
                        }
                        await this.transaction.update(this.ctx.service.changeAuditList.tableName, list_update);
                    }
                }
                if (postData.audit_next_id === undefined) {
                    // 变更令审批完成
                    change_update.status = 3;
                    change_update.p_code = postData.p_code;
                    change_update.sin_time = Date.parse(new Date()) / 1000;
                    change_update.total_price = total_price;
                } else {
                    // 设置下一个审批人为审批状态
                    const nextAudit_update = {
                        id: postData.audit_next_id,
                        status: 2,
                    };
                    await this.transaction.update(this.ctx.service.changeAudit.tableName, nextAudit_update);
                }
                const options = {
                    where: {
                        cid: postData.change_id,
                    },
                };
                await this.transaction.update(this.tableName, change_update, options);
                await this.transaction.commit();
                result = true;
            } catch (error) {
                await this.transaction.rollback();
                result = false;
            }
            return result;
        }

        /**
         * 审批终止
         * @param {int} postData - 表单提交的数据
         * @return {void}
         */
        async approvalStop(postData) {
            // 初始化事务
            this.transaction = await this.db.beginTransaction();
            let result = false;
            try {
                // 设置审批人终止
                const audit_update = {
                    id: postData.audit_id,
                    sdesc: postData.sdesc,
                    status: 4,
                    sin_time: new Date(),
                };
                await this.transaction.update(this.ctx.service.changeAudit.tableName, audit_update);
                // 设置变更令终止
                const change_update = {
                    w_code: postData.w_code,
                    status: 4,
                    cin_time: Date.parse(new Date()) / 1000,
                };
                const options = {
                    where: {
                        cid: postData.change_id,
                    },
                };
                await this.transaction.update(this.tableName, change_update, options);
                await this.transaction.commit();
                result = true;
            } catch (error) {
                await this.transaction.rollback();
                result = false;
            }
            return result;
        }

        /**
         * 审批退回到原报人
         * @param {int} postData - 表单提交的数据
         * @return {void}
         */
        async approvalBack(postData) {
            // 初始化事务
            this.transaction = await this.db.beginTransaction();
            let result = false;
            try {
                const changeInfo = await this.getDataByCondition({ cid: postData.change_id });
                // 设置审批人退回
                const audit_update = {
                    id: postData.audit_id,
                    sdesc: postData.sdesc,
                    status: 5,
                    sin_time: new Date(),
                };
                await this.transaction.update(this.ctx.service.changeAudit.tableName, audit_update);
                // 新增新一次的审批人列表
                // 获取当前次数审批人列表
                const auditList = await this.ctx.service.changeAudit.getListGroupByTimes(changeInfo.cid, changeInfo.times);
                const lastauditInfo = await this.ctx.service.changeAudit.getLastUser(changeInfo.cid, changeInfo.times, 1, 0);
                let usort = lastauditInfo.usort + 1;
                const newTimes = changeInfo.times + 1;
                const insert_audit_array = [];
                for (const al of auditList) {
                    const insert_audit = {
                        tid: al.tid,
                        cid: al.cid,
                        uid: al.uid,
                        name: al.name,
                        jobs: al.jobs,
                        company: al.company,
                        times: newTimes,
                        usite: al.usite,
                        usort,
                        status: al.usite !== 0 ? 1 : 2,
                    };
                    insert_audit_array.push(insert_audit);
                    usort++;
                }
                await this.transaction.insert(this.ctx.service.changeAudit.tableName, insert_audit_array);
                // 设置变更令退回
                const change_update = {
                    w_code: postData.w_code,
                    status: 5,
                    times: newTimes,
                    cin_time: Date.parse(new Date()) / 1000,
                };
                const options = {
                    where: {
                        cid: postData.change_id,
                    },
                };
                await this.transaction.update(this.tableName, change_update, options);
                await this.transaction.commit();
                result = true;
            } catch (error) {
                await this.transaction.rollback();
                result = false;
            }
            return result;
        }

        /**
         * 审批退回到上一个审批人
         * @param {int} postData - 表单提交的数据
         * @return {void}
         */
        async approvalBackNew(postData) {
            // 初始化事务
            this.transaction = await this.db.beginTransaction();
            let result = false;
            try {
                const changeInfo = await this.getDataByCondition({ cid: postData.change_id });
                // 设置审批人退回
                const audit_update = {
                    id: postData.audit_id,
                    sdesc: postData.sdesc,
                    status: 6,
                    sin_time: new Date(),
                };
                await this.transaction.update(this.ctx.service.changeAudit.tableName, audit_update);
                // 获取当前审批人信息
                const auditInfo = await this.ctx.service.changeAudit.getDataById(postData.audit_id);

                // 获取当前次数审批人列表
                const auditList = await this.ctx.service.changeAudit.getNextAuditList(changeInfo.cid, auditInfo.usort);

                let usort = auditInfo.usort + 1;

                // 获取上一个审批人信息
                const lastauditInfo = await this.ctx.service.changeAudit.getDataById(postData.audit_last_id);

                // 新增2个审批人到审批列表中
                const insert_audit1 = {
                    tid: lastauditInfo.tid,
                    cid: lastauditInfo.cid,
                    uid: lastauditInfo.uid,
                    name: lastauditInfo.name,
                    jobs: lastauditInfo.jobs,
                    company: lastauditInfo.company,
                    times: lastauditInfo.times,
                    usite: lastauditInfo.usite,
                    usort,
                    status: 2,
                };
                await this.transaction.insert(this.ctx.service.changeAudit.tableName, insert_audit1);
                usort++;
                // 新增2个审批人到审批列表中
                const insert_audit2 = {
                    tid: auditInfo.tid,
                    cid: auditInfo.cid,
                    uid: auditInfo.uid,
                    name: auditInfo.name,
                    jobs: auditInfo.jobs,
                    company: auditInfo.company,
                    times: auditInfo.times,
                    usite: auditInfo.usite,
                    usort,
                    status: 1,
                };
                await this.transaction.insert(this.ctx.service.changeAudit.tableName, insert_audit2);

                // 把接下未审批的审批人排序都加2
                for (const al of auditList) {
                    const audit_update = {
                        id: al.id,
                        usort: al.usort + 2,
                    };
                    await this.transaction.update(this.ctx.service.changeAudit.tableName, audit_update);
                }

                // 审批列表数据也要回退
                const changeList = await this.ctx.service.changeAuditList.getAllDataByCondition({ where: { cid: changeInfo.cid } });
                for (const cl of changeList) {
                    const audit_amount = cl.audit_amount.split(',');
                    audit_amount.splice(-1, 1);
                    const list_update = {
                        id: cl.id,
                        audit_amount: audit_amount.join(','),
                    };
                    await this.transaction.update(this.ctx.service.changeAuditList.tableName, list_update);
                }

                // 设置变更令退回
                const change_update = {
                    w_code: postData.w_code,
                    status: 6,
                    cin_time: Date.parse(new Date()) / 1000,
                };
                const options = {
                    where: {
                        cid: postData.change_id,
                    },
                };
                await this.transaction.update(this.tableName, change_update, options);
                await this.transaction.commit();
                result = true;
            } catch (error) {
                await this.transaction.rollback();
                result = false;
            }
            return result;
        }

        /**
         * 查询可用的变更令
         * @param bills - 查询的清单
         * @param pos - 查询的部位
         * @returns {Promise<*>} - 可用的变更令列表
         */
        async getValidChanges(bills, pos) {
            const filter = 'cb.`code` = ' + this.db.escape(bills.b_code) + (pos ? ' And cb.`detail` = ' + this.db.escape(pos.name) : '');
            const sql = 'SELECT c.cid, c.code, c.name, c.w_code, c.p_code, c.peg, c.org_name, c.org_code, c.new_name, c.new_code,' +
                        '    c.content, c.basis, c.memo, c.type, c.class, c.quality, c.company, c.charge, ' +
                        '    cb.code As b_code, cb.name As b_name, cb.unit As b_unit, cb.samount As b_amount, cb.detail As b_detail ' +
                        '  FROM ?? As c ' +
                        '  Left Join ?? As cb ' +
                        '  On c.cid = cb.cid ' +
                        '  WHERE c.status = ? And ' + filter;
            const sqlParam = [this.tableName, this.ctx.service.changeAuditList.tableName, audit.flow.status.checked];
            const changes = await this.db.query(sql, sqlParam);
            for (const c of changes) {
                const aSql = 'SELECT ca.*, pa.name As u_name, pa.role As u_role ' +
                             '  FROM ?? As ca ' +
                             '  Left Join ?? As pa ' +
                             '  On ca.uid = pa.id ' +
                             '  Where ca.cid = ?';
                const aSqlParam = [this.ctx.service.changeAtt.tableName, this.ctx.service.projectAccount.tableName, c.cid];
                c.attachments = await this.db.query(aSql, aSqlParam);
            }
            // const sql = 'SELECT c.* FROM ?? As c' +
            //     '  WHERE c.`cid` in (' +
            //     '    SELECT cb.`cid` FROM ?? As cb' +
            //     '      WHERE ' + filter +
            //     '      GROUP BY cb.`cid`) ' +
            //     '    And c.status = ?';
            // const sqlParam = [this.tableName, this.ctx.service.changeAuditList.tableName, audit.flow.status.checked];
            // const changes = await this.db.query(sql, sqlParam);
            // for (const c of changes) {
            //     c.bills = await this.ctx.service.changeAuditList.getDataByCondition({cid: c.cid, code: bills.b_code});
            // }
            return changes;
        }

        /**
         * 查询可用的变更令
         * @param { string } cid - 查询的清单
         * @return {Promise<*>} - 可用的变更令列表
         */
        async delete(cid) {
            // 初始化事务
            this.transaction = await this.db.beginTransaction();
            let result = false;
            try {
                // 先删除清单，审批人列表
                await this.transaction.delete(this.ctx.service.changeAuditList.tableName, { cid });
                await this.transaction.delete(this.ctx.service.changeAudit.tableName, { cid });
                // 再删除附件和附件文件
                const attList = await this.ctx.service.changeAtt.getAllDataByCondition({ where: { cid } });
                if (attList.length !== 0) {
                    for (const att of attList) {
                        await fs.unlinkSync(path.join(this.app.baseDir, att.filepath));
                    }
                    await this.transaction.delete(this.ctx.service.changeAtt.tableName, { cid });
                }
                // 最后删除变更令
                await this.transaction.delete(this.tableName, { cid });
                await this.transaction.commit();
                result = true;
            } catch (e) {
                await this.transaction.rollback();
                result = false;
            }
            return result;
        }
    }
    return Change;
};