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https://github.com/EDCD/coriolis.git
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more react changes, incomplete
This commit is contained in:
Colin McLeod
345
src/app/stores/Persist.js
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345
src/app/stores/Persist.js
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import { EventEmitter } from 'fbemitter';
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const LS_KEY_BUILDS = 'builds';
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const LS_KEY_COMPARISONS = 'comparisons';
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const LS_KEY_LANG = 'NG_TRANSLATE_LANG_KEY';
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const LS_KEY_COST_TAB = 'costTab';
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const LS_KEY_INSURANCE = 'insurance';
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const LS_KEY_DISCOUNTS = 'discounts';
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const LS_KEY_STATE = 'state';
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const LS_KEY_SIZE_RATIO = 'sizeRatio';
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let LS;
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// Safe check to determine if localStorage is enabled
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try {
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localStorage.setItem('s', 1);
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localStorage.removeItem('s');
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LS = localStorage;
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} catch(e) {
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LS = null;
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}
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function _put(key, value) {
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if (LS) {
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LS.setItem(key, typeof value != 'string' ? JSON.stringify(value) : value);
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}
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}
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function _getString(key) {
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return LS.getItem(key);
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}
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function _get(key) {
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let str = _getString(key);
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return str ? JSON.parse(str) : null;
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}
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function _delete(key) {
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if (LS) {
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LS.removeItem(key);
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}
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}
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/**
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* [description]
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*/
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class Persist extends EventEmitter {
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constructor() {
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super();
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let buildJson = _get(LS_KEY_BUILDS);
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let comparisonJson = _get(LS_KEY_COMPARISONS);
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this.builds = buildJson ? buildJson : {};
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this.comparisons = comparisonJson ? comparisonJson: {};
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this.buildCount = Object.keys(this.builds).length;
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this.langCode = _getString(LS_KEY_LANG) || 'en';
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this.insurance = _getString(LS_KEY_INSURANCE);
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this.discounts = _get(LS_KEY_DISCOUNTS);
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this.costTab = _getString(LS_KEY_COST_TAB);
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this.state = _get(LS_KEY_STATE);
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this.sizeRatio = _get(LS_KEY_SIZE_RATIO) || 1;
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}
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getLangCode() {
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return this.langCode;
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};
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setLangCode(langCode) {
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this.langCode = langCode;
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_put(LS_KEY_LANG, langCode);
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this.emit('language', langCode);
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}
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/**
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* Persist a ship build in local storage.
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*
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* @param {string} shipId The unique id for a model of ship
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* @param {string} name The name of the build
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* @param {string} code The serialized code
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*/
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saveBuild(shipId, name, code) {
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if (LS) {
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if (!this.builds[shipId]) {
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this.builds[shipId] = {};
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}
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let newBuild = !this.builds[shipId][name];
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this.builds[shipId][name] = code;
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_put(LS_KEY_BUILDS, this.builds);
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if (newBuild) {
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this.emit('builds', this.builds);
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}
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}
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};
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/**
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* Get the serialized code/string for a build. Returns null if a
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* build is not found.
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*
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* @param {string} shipId The unique id for a model of ship
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* @param {string} name The name of the build
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* @return {string} The serialized build string.
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*/
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getBuild(shipId, name) {
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if (this.builds[shipId] && this.builds[shipId][name]) {
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return this.builds[shipId][name];
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}
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return null;
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};
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getBuilds() {
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return this.builds;
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}
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hasBuild(shipId, name) {
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return this.builds[shipId] && this.builds[shipId][name];
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}
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hasBuilds() {
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return Object.keys(this.builds).length > 0;
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}
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/**
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* Delete a build from local storage. It will also delete the ship build collection if
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* it becomes empty
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*
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* @param {string} shipId The unique id for a model of ship
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* @param {string} name The name of the build
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*/
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deleteBuild(shipId, name) {
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if (this.builds[shipId][name]) {
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delete this.builds[shipId][name];
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if (Object.keys(this.builds[shipId]).length === 0) {
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delete this.builds[shipId];
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}
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_put(LS_KEY_BUILDS, this.builds);
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// Check if the build was used in existing comparisons
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var comps = this.comparisons;
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for (var c in comps) {
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for (var i = 0; i < comps[c].builds.length; i++) { // For all builds in the current comparison
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if (comps[c].builds[i].shipId == shipId && comps[c].builds[i].buildName == name) {
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comps[c].builds.splice(i, 1);
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break; // A build is unique per comparison
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}
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}
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}
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_put(LS_KEY_COMPARISONS, this.comparisons);
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this.emit('builds', this.builds);
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}
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};
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/**
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* Persist a comparison in localstorage.
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*
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* @param {string} name The name of the comparison
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* @param {array} builds Array of builds
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* @param {array} facets Array of facet indices
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*/
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saveComparison(name, builds, facets) {
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if (!this.comparisons[name]) {
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this.comparisons[name] = {};
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}
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this.comparisons[name] = {
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facets: facets,
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builds: builds.map(b => { return { shipId: b.id || b.shipId, buildName: b.buildName }; })
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};
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_put(LS_KEY_COMPARISONS, this.comparisons);
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this.emit('comparisons', this.comparisons);
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};
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/**
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* [getComparison description]
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* @param {string} name [description]
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* @return {object} Object containing array of facets and ship id + build names
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*/
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getComparison(name) {
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if (this.comparisons[name]) {
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return this.comparisons[name];
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}
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return null;
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};
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getComparisons() {
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return this.comparisons;
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}
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hasComparison(name) {
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return !!this.comparisons[name];
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}
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hasComparisons() {
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return Object.keys(this.comparisons).length > 0;
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}
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/**
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* Removes the comparison from localstorage.
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* @param {string} name Comparison name
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*/
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deleteComparison(name) {
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if (this.comparisons[name]) {
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delete this.comparisons[name];
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_put(LS_KEY_COMPARISONS, this.comparisons);
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this.emit('comparisons', this.comparisons);
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}
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};
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/**
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* Delete all builds and comparisons from localStorage
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*/
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deleteAll() {
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this.builds = {};
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this.comparisons = {};
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_delete(LS_KEY_BUILDS);
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_delete(LS_KEY_COMPARISONS);
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this.emit('deletedall');
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};
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getAll() {
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var data = {};
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data[LS_KEY_BUILDS] = this.getBuilds();
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data[LS_KEY_COMPARISONS] = this.getComparisons();
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data[LS_KEY_INSURANCE] = this.getInsurance();
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data[LS_KEY_DISCOUNTS] = this.getDiscount();
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return data;
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};
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/**
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* Get the saved insurance type
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* @return {string} The name of the saved insurance type of null
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*/
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getInsurance() {
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return this.insurance;
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};
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/**
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* Persist selected insurance type
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* @param {string} name Insurance type name
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*/
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setInsurance(insurance) {
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this.insurance = insurance
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_put(LS_KEY_INSURANCE, insurance);
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this.emit('insurance', insurance);
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};
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/**
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* Persist selected discount
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* @param {number} val Discount value/amount
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*/
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setShipDiscount(shipDiscount) {
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this.discounts[0] = shipDiscount;
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_put(LS_KEY_DISCOUNTS, this.discounts);
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this.emit('discounts', this.discounts);
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};
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/**
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* Get the saved ship discount
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* @return {number} val Discount value/amount
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*/
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getShipDiscount() {
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return this.discounts[0];
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};
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/**
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* Persist selected discount
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* @param {number} val Discount value/amount
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*/
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setModuleDiscount(moduleDiscount) {
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this.discounts[1] = moduleDiscount;
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_put(LS_KEY_DISCOUNTS, this.discounts);
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this.emit('discounts', this.discounts);
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};
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/**
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* Get the saved ship discount
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* @return {number} val Discount value/amount
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*/
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getComponentDiscount() {
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return this.discounts[1];
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};
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/**
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* Persist selected cost tab
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* @param {number} val Discount value/amount
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*/
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setCostTab(tabName) {
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this.costTab = tabName;
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_put(LS_KEY_COST_TAB, tabName);
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};
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/**
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* Get the saved discount
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* @return {number} val Discount value/amount
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*/
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getCostTab() {
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return this.costTab;
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};
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/**
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* Retrieve the last router state from local storage
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* @return {object} state State object containing state name and params
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*/
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getState() {
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return this.state;
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};
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/**
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* Save the current router state to localstorage
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* @param {object} state State object containing state name and params
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*/
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setState(state) {
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this.state = state;
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_put(LS_KEY_STATE, state);
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};
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/**
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* Retrieve the last router state from local storage
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* @return {number} size Ratio
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*/
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getSizeRatio() {
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return this.sizeRatio;
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};
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/**
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* Save the current size ratio to localstorage
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* @param {number} sizeRatio
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*/
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setSizeRatio(sizeRatio) {
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if (sizeRatio != this.sizeRatio) {
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this.sizeRatio = sizeRatio;
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_put(LS_KEY_SIZE_RATIO, sizeRatio);
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this.emit('sizeRatio', sizeRatio);
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}
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};
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/**
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* Check if localStorage is enabled/active
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* @return {Boolean} True if localStorage is enabled
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*/
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isEnabled() {
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return LS != null;
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}
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}
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export default new Persist();
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