'use strict';


const assert = require('assert');
const _ = require('lodash');
const { ObjectId } = require('mongoose').Types;
const { CrudService } = require('naf-framework-mongoose/lib/service');
const { BusinessError, ErrorCode } = require('naf-core').Error;

class TNewsCenterService extends CrudService {
    constructor(ctx) {
        super(ctx, 't_news_center');
        this.model = this.ctx.model.TNewsCenter;
    }

    // 条件查询
    async select(payload) {

        let {skip = 0, limit = 10} = payload;

        let match = {};
        if (payload.title) {
            match.title = {$regex: payload.title, $options: '$i'};
        }
        if (payload.publish_state) {
            match.publish_state = payload.publish_state;
        }

        let sort = {};

        if (payload.sort && payload.asc) {
            sort[payload.sort] = Number.parseInt(payload.asc);
        } else {
            sort = {'hot': -1};
        }

        const total = await this.model.find(match).countDocuments();
        const data = await this.model.find(match).sort(sort).skip(Number.parseInt(skip)).limit(Number.parseInt(limit));

        return {
            data,
            total,
        };
    }
}

module.exports = TNewsCenterService;