radius-read/dist/services/mysql.service.js

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.MySqlService = void 0;
const tslib_1 = require("tslib");
const MySql = tslib_1.__importStar(require("mysql2"));
const database_model_1 = require("../models/database.model");
/**
 * DatabaseService is responsible for managing MySQL database connections and executing queries.
 */
class MySqlService {
    /**
     * Creates an instance of DatabaseService.
     */
    constructor() { }
    /**
     * Initializes the DatabaseService with a MySQL connection or pool based on the provided configuration.
     * @param config
     */
    init(config) {
        if (config.waitForConnections === false) {
            Object.keys(config).forEach((key) => {
                if (key !== 'host' || key !== 'user' || key !== 'password' || key !== 'database')
                    delete config[key];
            });
            this.connection = MySql.createConnection(config);
        }
        else {
            this.connection = MySql.createPool(config);
        }
    }
    ;
    /**
     * Executes a MySQL query with the provided query string and optional parameters.
     * @param query
     * @param queryObjArray
     * @returns
     */
    executeQuery(query, queryObjArray = []) {
        return new Promise((resolve) => {
            var dbResult = new database_model_1.DbResult();
            try {
                this.connection.query(query, queryObjArray, (err, rows, metaData) => tslib_1.__awaiter(this, void 0, void 0, function* () {
                    if (rows) {
                        dbResult.Type = database_model_1.DbResultType.Success;
                        dbResult.Entities = rows;
                    }
                    /*if(metaData)
                        dbResult.MetaData = metaData;*/
                    if (err) {
                        var dbError = new database_model_1.DbError();
                        dbError.Code = err.code;
                        dbError.ErrNo = err.errno;
                        dbError.Message = err.sqlMessage;
                        dbError.Stack = err.stack;
                        dbResult.Type = database_model_1.DbResultType.Failed;
                        dbResult.Exception = dbError;
                    }
                    resolve(dbResult);
                }));
            }
            catch (err) {
                var dbError = new database_model_1.DbError();
                dbError.Code = err.code;
                dbError.ErrNo = err.errno;
                dbError.Message = err.message;
                dbError.Stack = err.stack;
                dbResult.Type = database_model_1.DbResultType.Failed;
                dbResult.Exception = dbError;
                resolve(dbResult);
            }
        });
    }
    ;
    /**
     * Parses a query string by replacing placeholders with values from the provided object.
     * @param query
     * @param queryObj
     * @returns
     */
    parsQuery(query, queryObj) {
        if (query) {
            const keys = Object.keys(queryObj);
            keys === null || keys === void 0 ? void 0 : keys.forEach((key) => {
                if (queryObj[key]) {
                    let regex = /\<@dest_db>/gi;
                    query = query.replace(regex, `destd${queryObj[key].toLowerCase()}`);
                }
            });
        }
        return query;
    }
}
exports.MySqlService = MySqlService;
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