Calculation/app/service/advance.js

'use strict';

const auditConst = require('../const/audit').advance;

module.exports = app => {
    class Advance extends app.BaseService {
        constructor(ctx) {
            super(ctx);
            this.tableName = 'advance_pay';
        }
        /**
         * 获取预付款列表
         * @param {Number} tid 标段id
         * @param {Number} type 预付款类型
         */
        async getAdvanceList(tid, type) {
            this.initSqlBuilder();
            this.sqlBuilder.setAndWhere('tid', {
                value: tid,
                operate: '=',
            });
            this.sqlBuilder.setAndWhere('type', {
                value: type,
                operate: '=',
            });
            this.sqlBuilder.orderBy = [['order', 'desc']];
            const [sql, sqlParam] = this.sqlBuilder.build(this.tableName);
            const advance = await this.db.query(sql, sqlParam);
            for (const item of advance) {
                item.curAuditor = await this.ctx.service.advanceAudit.getAuditorByStatus(item.id, item.status, item.times);
                if (item.status === auditConst.status.checkNoPre) {
                    item.curAuditor2 = await this.ctx.service.advanceAudit.getAuditorByStatus(item.id, auditConst.status.checking);
                }
                item.fileList = await this.ctx.service.advanceFile.getAdvanceFiles({ vid: item.id });
            }
            return advance;
        }

        /**
         * 获取预付款最新一期
         * @param {Number} tid 标段id
         * @param {String} type 类型: 开工预付款|材料预付款 (0|1)
         * @param {Boolean} includeUnCheck 包括未上报的
         * @return {Promise<*>} 实例结果集
         */
        async getLastestAdvance(tid, type, includeUnCheck = false) {
            this.initSqlBuilder();
            this.sqlBuilder.setAndWhere('tid', {
                value: tid,
                operate: '=',
            });
            this.sqlBuilder.setAndWhere('type', {
                value: type,
                operate: '=',
            });
            if (!includeUnCheck) {
                this.sqlBuilder.setAndWhere('status', {
                    value: auditConst.status.uncheck,
                    operate: '!=',
                });
            }
            this.sqlBuilder.orderBy = [['order', 'desc']];
            const [sql, sqlParam] = this.sqlBuilder.build(this.tableName);
            const advance = await this.db.queryOne(sql, sqlParam);
            return advance;
        }

        /**
         * 创建一条新的记录
         * @param {String} type 类型: 开工预付款|材料预付款 (start|material)
         * @return {Promise<*>} 插入结果集
         */
        async createRecord(type) {
            const { ctx } = this;
            const uid = ctx.session.sessionUser.accountId;
            const tid = ctx.tender.id;
            let latestOrder = await this.getLastestAdvance(tid, type);
            if (!latestOrder) {
                latestOrder = {
                    order: 1,
                    prev_amount: 0.00,
                    prev_total_amount: 0.00,
                };
            } else {
                latestOrder.order = latestOrder.order + 1;
            }
            const record = await this.db.insert(this.tableName, { type, uid, tid, status: auditConst.status.uncheck, order: latestOrder.order, prev_amount: latestOrder.prev_total_amount, prev_total_amount: latestOrder.prev_total_amount });
            return await this.getDataById(record.insertId);
        }

        /**
         * 获取上一期预付款记录
         * @param {Number} tid 标段id
         * @param {Number} type 预付款类型
         */
        async getPreviousRecord(tid, type) {
            this.initSqlBuilder();
            this.sqlBuilder.setAndWhere('tid', {
                value: tid,
                operate: '=',
            });
            this.sqlBuilder.setAndWhere('type', {
                value: type,
                operate: '=',
            });
            this.sqlBuilder.setAndWhere('order', {
                value: this.ctx.advance.order - 1,
                operate: '=',
            });
            this.sqlBuilder.orderBy = [['order', 'desc']];
            const [sql, sqlParam] = this.sqlBuilder.build(this.tableName);
            return await this.db.queryOne(sql, sqlParam);
        }

        /**
         * 计算列表进度条所需数据
         * @param {Object} latest 最新期的数据
         * @param {Number} payTotal 预付款金额总数
         * @return {Object} progress所需数据
         */
        async calcProgress(latest, payTotal) {
            const { ctx } = this;
            if (!latest) {
                latest = { prev_total_amount: 0, prev_amount: 0, cur_amount: 0 };
            }
            const surplus = ctx.helper.sub(payTotal, latest.prev_total_amount || 0);
            const p_ratio = ctx.helper.mul(ctx.helper.div(latest.prev_amount || 0, payTotal), 100, 2); // 截止上期金额总数
            const c_ratio = ctx.helper.mul(ctx.helper.div(latest.cur_amount || 0, payTotal), 100, 2); // 截止本期金额总数
            const s_ratio = ctx.helper.mul(ctx.helper.div(surplus, payTotal), 100, 2); // 剩余金额总数
            return {
                p_amount: latest.prev_amount,
                c_amount: latest.cur_amount,
                s_amount: surplus,
                p_ratio,
                c_ratio,
                s_ratio,
            };
        }

        /**
         * 更新预付款记录
         * @param {Object} payload 载荷
         * @param {Number} id 预付款id
         */
        async updateAdvance(payload, id) {
            const { ctx } = this;
            const prevRecord = await this.getPreviousRecord(ctx.tender.id, ctx.advance.type) || { prev_total_amount: 0 };
            const { cur_amount } = payload;
            payload.prev_total_amount = ctx.helper.add(cur_amount, prevRecord.prev_total_amount);
            return await this.update(payload, {
                id,
            });

        }
    }
    return Advance;
};