98 lines
2.4 KiB
JavaScript
98 lines
2.4 KiB
JavaScript
//environment variables
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require('dotenv').config();
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//utilities
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let { log } = require('../common/utilities.js');
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const statistics = (connection, req, res, cb) => {
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return cb(undefined, { 'statistics': require('./equipment_statistics.json') });
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}
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const owned = (connection, req, res, cb) => {
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//verify the credentials
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let query = 'SELECT COUNT(*) AS total FROM sessions WHERE accountId = ? AND token = ?;';
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connection.query(query, [req.body.id, req.body.token], (err, results) => {
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if (err) throw err;
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if (results[0].total !== 1) {
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return cb('Invalid equipment owned credentials');
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}
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let query = 'SELECT name, quantity FROM equipment WHERE accountId = ?;';
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connection.query(query, [req.body.id], (err, results) => {
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if (err) throw err;
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let res = {}
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Object.keys(results).map((key) => {
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if (res[results[key].name] !== undefined) {
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log('WARNING: Invalid database state, equipment owned', JSON.stringify(results));
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}
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res[results[key].name] = results[key].quantity;
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});
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return cb(undefined, { 'owned': res });
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});
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});
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}
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const equipmentRequest = (connection) => (req, res) => {
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//if no field received, send everything
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if (!req.body.field) {
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//compose the returned objects
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statistics(connection, req, res, (err, statisticsObj) => {
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if (err) {
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res.status(400).write(log(err, req.body.id, req.body.token, req.body.field));
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res.end();
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return;
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}
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return owned(connection, req, res, (err, ownedObj) => {
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if (err) {
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res.status(400).write(log(err, req.body.id, req.body.token, req.body.field));
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res.end();
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return;
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}
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//finally, compose the resulting objects
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res.status(200).json(Object.assign({}, statisticsObj, ownedObj));
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res.end();
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});
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});
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return;
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}
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//send specific fields
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switch(req.body.field) {
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case 'statistics':
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return statistics(connection, req, res, (err, obj) => {
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if (err) {
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res.status(400).write(log(err, req.body.id, req.body.token, req.body.field));
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} else {
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res.status(200).json(obj);
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}
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res.end();
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});
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case 'owned':
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return owned(connection, req, res, (err, obj) => {
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if (err) {
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res.status(400).write(log(err, req.body.id, req.body.token, req.body.field));
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} else {
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res.status(200).json(obj);
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}
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res.end();
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});
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default:
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res.status(400).write(log('Unknown field received', req.body.id, req.body.token, req.body.field));
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res.end();
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}
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}
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module.exports = {
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equipmentRequest: equipmentRequest
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} |