const queryUtils = require('query-string');
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class FileRequest {
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/**
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* @param {string} request
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*/
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constructor(request) {
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const { file, query } = FileRequest.parse(request);
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this.file = file;
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this.query = query;
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}
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/**
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* @param {string} request
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* @return {{file: string, query: Object}}
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*/
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static parse(request) {
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const parts = request.split('?');
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const file = parts[0];
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const query = parts[1] ? queryUtils.parse(parts[1]) : null;
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return { file, query };
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}
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/**
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* @return {string}
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*/
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toString() {
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const { file, query } = this;
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const queryEncoded = query ? `?${queryUtils.stringify(query)}` : '';
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return `${file}${queryEncoded}`;
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}
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/**
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* @return {string}
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*/
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stringify() {
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return this.toString();
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}
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/**
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* @return {string}
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*/
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stringifyQuery() {
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return queryUtils.stringify(this.query);
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}
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/**
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* @param {FileRequest} request
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* @return {boolean}
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*/
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equals(request) {
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if (!(request instanceof FileRequest)) {
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throw TypeError('request should be instance of FileRequest');
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}
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return this.toString() === request.toString();
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}
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/**
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* @param {FileRequest} request
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* @return {boolean}
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*/
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fileEquals(request) {
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return this.file === request.file;
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}
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/**
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* @param {FileRequest} request
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* @return {boolean}
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*/
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queryEquals(request) {
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return this.stringifyQuery() === request.stringifyQuery();
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}
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/**
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* @param {string} param
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* @return {boolean}
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*/
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hasParam(param) {
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return this.query && param in this.query;
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}
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/**
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* @param {string} param
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* @return {string|null}
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*/
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getParam(param) {
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return this.hasParam(param) ? this.query[param] : null;
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}
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}
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module.exports = FileRequest;
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