access-db/lib/mongodb/find.js

[统一数据库的连接]Unified access to all kinds of databases

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const dbMongodb_1 = require("../utils/dbMongodb");
const error_1 = require("../constants/error");
const findTrans_1 = __importDefault(require("../utils/findTrans"));
const constants_1 = require("../constants/constants");
const utils_1 = require("../utils/utils");
function fetchFind(table, params = {}, session) {
    return new Promise((resolve, reject) => __awaiter(this, void 0, void 0, function* () {
        const { client, db } = yield (0, dbMongodb_1.mongodbCollection)();
        if (!client)
            return;
        if (!table)
            throw new Error(error_1.PARAM_TABLE_ERROR);
        try {
            let QQ = (0, findTrans_1.default)(params, 1, null, constants_1.PLATFORM_NAME.MONGODB);
            let sortObj = {};
            if (params === null || params === void 0 ? void 0 : params.orderBy) {
                if (!(0, utils_1.isArray)(params.orderBy))
                    throw new Error(error_1.ORDER_BY_NOT_ARRAY);
                let temp = params.orderBy;
                for (let i = 0; i < temp.length; i++) {
                    if (temp[i][0] === '-') {
                        sortObj[temp[i].substring(1, temp[i].length)] = -1;
                    }
                    else {
                        sortObj[temp[i]] = 1;
                    }
                }
            }
            let projection = {};
            if (params.select) {
                if (!(0, utils_1.isArray)(params.select))
                    throw new Error(error_1.SELECT_NOT_ARRAY);
                params.select.forEach(item => {
                    if (item[0] === '-') {
                        projection[item.substring(1)] = 0;
                    }
                    else {
                        projection[item] = 1;
                    }
                });
            }
            yield client.connect();
            let res = yield db.collection(table).find(QQ === 2 ? {} : QQ, { projection, session })
                .limit(params.limit || 20)
                .skip((params.limit || 20) * ((params.page || 1) - 1))
                .sort(sortObj).toArray();
            resolve({ data: { objects: res || [] } });
            client.close();
        }
        catch (err) {
            reject(err);
            client.close();
        }
    }));
}
exports.default = fetchFind;