89 lines
2.9 KiB
JavaScript
89 lines
2.9 KiB
JavaScript
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// @ts-check
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const fs = require("fs");
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const mysql = require("mysql");
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const parseDbResults = require("./parseDbResults");
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const dbHandler = require("./dbHandler");
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/**
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* DB handler for specific database
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* ==============================================================================
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* @async
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* @param {object} params - Single object params
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* @param {string} params.queryString - SQL string
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* @param {string[]} [params.queryValuesArray] - Values Array
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* @param {string} params.database - Database name
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* @param {import("../../../types/database-schema.td").DSQL_TableSchemaType} [params.tableSchema] - Table schema
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* @returns {Promise<any[]|null>}
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*/
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module.exports = async function varDatabaseDbHandler({ queryString, queryValuesArray, database, tableSchema }) {
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/**
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* Create Connection
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*
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* @description Create Connection
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*/
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const connection = mysql.createConnection({
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host: process.env.DSQL_SOCKET_HOST,
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user: process.env.DSQL_SOCKET_USER,
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password: process.env.DSQL_SOCKET_PASS || "",
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database: process.env.DSQL_SOCKET_DB_NAME,
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charset: "utf8mb4",
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port: parseInt(process.env.DSQL_SOCKET_DB_NAME || "") || undefined,
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});
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/**
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* Declare variables
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*
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* @description Declare "results" variable
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*/
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let results;
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/**
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* Fetch from db
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*
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* @description Fetch data from db if no cache
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*/
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try {
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if (queryString && queryValuesArray && Array.isArray(queryValuesArray) && queryValuesArray[0]) {
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results = await dbHandler({ query: queryString, values: queryValuesArray, database: database });
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} else {
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results = await dbHandler({ query: queryString, database: database });
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}
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////////////////////////////////////////
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////////////////////////////////////////
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////////////////////////////////////////
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} catch (error) {
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console.log("\x1b[31mvarDatabaseDbHandler ERROR\x1b[0m =>", database, error);
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}
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/**
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* Return results
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*
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* @description Return results add to cache if "req" param is passed
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*/
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if (results && tableSchema) {
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try {
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const unparsedResults = results;
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// deepcode ignore reDOS: <please specify a reason of ignoring this>
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const parsedResults = await parseDbResults({ unparsedResults: unparsedResults, tableSchema: tableSchema });
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return parsedResults;
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} catch (error) {
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console.log("\x1b[31mvarDatabaseDbHandler ERROR\x1b[0m =>", database, error);
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return null;
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}
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////////////////////////////////////////
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////////////////////////////////////////
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////////////////////////////////////////
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} else if (results) {
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return results;
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////////////////////////////////////////
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////////////////////////////////////////
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////////////////////////////////////////
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} else {
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return null;
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}
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};
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