access-db/lib/redis/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 dbRedis_1 = require("../utils/dbRedis");
const utils_1 = require("../utils/utils");
const findTrans_1 = __importDefault(require("../utils/findTrans"));
const constants_1 = require("../constants/constants");
const error_1 = require("../constants/error");
function fetchFind(table, params = {}) {
    return new Promise((resolve, reject) => __awaiter(this, void 0, void 0, function* () {
        try {
            let func = [], fkeys = (0, dbRedis_1.reTable)(table) + ':id:key:*';
            let skeys = yield dbRedis_1.redisClient.KEYS(fkeys);
            let result = [];
            if (skeys.length === 0) {
                return resolve({ data: { objects: result || [] } });
            }
            let limit = (params.limit || 20);
            let all = limit * (params.page || 1);
            // 仅翻页的情况
            if (!params.r && !params.orderBy) {
                let skeysValueList = yield dbRedis_1.redisClient.MGET(skeys);
                let newSkeys = (0, utils_1.stringTimeNumSort)(skeysValueList, skeys);
                let pskeys = []; // 每页的
                if (params.limit) {
                    pskeys = newSkeys.slice(all - limit, all);
                }
                else {
                    pskeys = newSkeys;
                }
                let hkeys = [];
                for (let j = 0; j < pskeys.length; j++) {
                    hkeys.push(pskeys[j].replace('id:key:', ''));
                }
                for (let i = 0; i < hkeys.length; i++) {
                    func.push(dbRedis_1.redisClient.HGETALL(hkeys[i]));
                }
                result = (yield Promise.all(func));
            }
            else {
                let newarr = [], t_json, newSkeys;
                if (!params.orderBy) {
                    let skeysValueList = yield dbRedis_1.redisClient.MGET(skeys);
                    newSkeys = (0, utils_1.stringTimeNumSort)(skeysValueList, skeys);
                    for (let j = 0; j < newSkeys.length; j++) {
                        func.push(dbRedis_1.redisClient.HGETALL(newSkeys[j].replace('id:key:', '')));
                    }
                }
                else {
                    for (let j = 0; j < skeys.length; j++) {
                        func.push(dbRedis_1.redisClient.HGETALL(skeys[j].replace('id:key:', '')));
                    }
                }
                newarr = (yield Promise.all(func));
                if (newarr.length > 0 && params.orderBy) {
                    if (!(0, utils_1.isArray)(params.orderBy))
                        throw new Error(error_1.ORDER_BY_NOT_ARRAY);
                    let tempOrder = params.orderBy[0].substring(1);
                    let isNum = +newarr[0][tempOrder] === NaN ? false : true;
                    if (params.orderBy[0][0] === '-') {
                        newarr = isNum ? (0, utils_1.RedisSortNum)(newarr, tempOrder, 0) : (0, utils_1.RedisSortStr)(newarr, tempOrder, 0);
                    }
                    else {
                        newarr = isNum ? (0, utils_1.RedisSortNum)(newarr, tempOrder, 1) : (0, utils_1.RedisSortStr)(newarr, tempOrder, 1);
                    }
                }
                let index = 0;
                while (result.length < all && index < newarr.length) {
                    t_json = newarr[index];
                    let isOk = (0, findTrans_1.default)(params, 1, t_json, constants_1.PLATFORM_NAME.REDIS);
                    if (isOk) {
                        result.push(t_json);
                    }
                    index++;
                }
                result = result.slice(all - limit, all);
            }
            resolve({ data: { objects: result || [] } });
        }
        catch (err) {
            reject(err);
        }
    }));
}
exports.default = fetchFind;