128 lines
3.9 KiB
JavaScript
128 lines
3.9 KiB
JavaScript
// @ts-check
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const fs = require("fs");
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const parseDbResults = require("./parseDbResults");
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const serverError = require("./serverError");
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const DB_HANDLER = require("../../utils/backend/global-db/DB_HANDLER");
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const DSQL_USER_DB_HANDLER = require("../../utils/backend/global-db/DSQL_USER_DB_HANDLER");
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const LOCAL_DB_HANDLER = require("../../utils/backend/global-db/LOCAL_DB_HANDLER");
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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 {*[]} [params.queryValuesArray] - Values Array
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* @param {string} [params.database] - Database name
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* @param {import("../../types").DSQL_TableSchemaType} [params.tableSchema] - Table schema
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* @param {boolean} [params.useLocal]
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* @returns {Promise<any>}
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*/
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module.exports = async function varDatabaseDbHandler({
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queryString,
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queryValuesArray,
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database,
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tableSchema,
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useLocal,
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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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const isMaster = useLocal
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? true
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: database?.match(/^datasquirel$/)
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? true
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: false;
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/** @type {any} */
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const FINAL_DB_HANDLER = useLocal
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? LOCAL_DB_HANDLER
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: isMaster
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? DB_HANDLER
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: DSQL_USER_DB_HANDLER;
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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 (
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queryString &&
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queryValuesArray &&
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Array.isArray(queryValuesArray) &&
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queryValuesArray[0]
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) {
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results = isMaster
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? await FINAL_DB_HANDLER(queryString, queryValuesArray)
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: await FINAL_DB_HANDLER({
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paradigm: "Full Access",
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database,
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queryString,
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queryValues: queryValuesArray,
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});
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} else {
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results = isMaster
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? await FINAL_DB_HANDLER(queryString)
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: await FINAL_DB_HANDLER({
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paradigm: "Full Access",
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database,
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queryString,
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});
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}
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////////////////////////////////////////
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////////////////////////////////////////
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////////////////////////////////////////
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} catch (/** @type {any} */ error) {
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serverError({
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component: "varDatabaseDbHandler/lines-29-32",
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message: error.message,
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});
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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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const parsedResults = await parseDbResults({
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unparsedResults: unparsedResults,
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tableSchema: tableSchema,
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});
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return parsedResults;
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} catch (/** @type {any} */ error) {
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console.log(
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"\x1b[31mvarDatabaseDbHandler ERROR\x1b[0m =>",
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database,
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error
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);
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serverError({
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component: "varDatabaseDbHandler/lines-52-53",
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message: error.message,
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});
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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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