/
user-preferences.js
167 lines (152 loc) · 4.8 KB
/
user-preferences.js
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const electron = require('electron');
const path = require('path');
const fs = require('fs');
const { validateTime } = require('./time-math.js');
const { isValidTheme } = require('./themes.js');
const defaultPreferences = {
'hide-non-working-days': false,
'hours-per-day': '08:00',
'notification': 'enabled',
'working-days-monday': true,
'working-days-tuesday': true,
'working-days-wednesday': true,
'working-days-thursday': true,
'working-days-friday': true,
'working-days-saturday': false,
'working-days-sunday': false,
'theme': 'light',
'update-remind-me-after' : '2019-01-01',
};
/*
* Returns the preference file path, considering the userData path
*/
function getPreferencesFilePath() {
let userDataPath = (electron.app || electron.remote.app).getPath('userData');
return path.join(userDataPath, 'preferences.json');
}
/*
* Saves preference to file.
*/
function savePreferences(preferencesOptions) {
fs.writeFileSync(getPreferencesFilePath(), JSON.stringify(preferencesOptions));
}
/**
* Loads preference from file.
* @return {Object}
*/
function readPreferences() {
var preferences;
try {
preferences = JSON.parse(fs.readFileSync(getPreferencesFilePath()));
} catch(err) {
preferences = {};
}
return preferences ? preferences : {};
}
function getDerivedPrefsFromLoadedPrefs(loadedPreferences){
var derivedPreferences = {};
Object.keys(defaultPreferences).forEach(function(key){
derivedPreferences[key] = loadedPreferences[key] || defaultPreferences[key];
});
return defaultPreferences;
}
/*
* initializes users preferences if it is not already exists
* or any keys of existing preferences is invalid
*/
function initPreferencesFileIfNotExistsOrInvalid() {
if (!fs.existsSync(getPreferencesFilePath())) {
savePreferences(defaultPreferences);
return;
}
var shouldSaveDerivedPrefs = false,
loadedPrefs = readPreferences(),
derivedPrefs = getDerivedPrefsFromLoadedPrefs(loadedPrefs),
loadedPref = Object.keys(loadedPrefs).sort(),
derivedPrefsKeys = Object.keys(derivedPrefs).sort();
// Validate keys
if (JSON.stringify(loadedPref) != JSON.stringify(derivedPrefsKeys)) {
shouldSaveDerivedPrefs = true;
}
// Validate the values
for(var key of derivedPrefsKeys) {
var value = derivedPrefs[key];
switch (key) {
case 'hours-per-day': {
if (!validateTime(value)) {
derivedPrefs[key] = defaultPreferences[key];
shouldSaveDerivedPrefs = true;
}
break;
}
case 'notification': {
if (value != 'enabled' && value != 'disabled') {
derivedPrefs[key] = defaultPreferences[key];
shouldSaveDerivedPrefs = true;
}
break;
}
case 'working-days-monday':
case 'working-days-tuesday':
case 'working-days-wednesday':
case 'working-days-thursday':
case 'working-days-friday':
case 'working-days-saturday':
case 'working-days-sunday': {
if (value != true && value != false) {
derivedPrefs[key] = defaultPreferences[key];
shouldSaveDerivedPrefs = true;
}
break;
}
case 'hide-non-working-days': {
if (value != true && value != false) {
derivedPrefs[key] = defaultPreferences[key];
shouldSaveDerivedPrefs = true;
}
break;
}
case 'theme' : {
return isValidTheme(value);
}
}
}
if(shouldSaveDerivedPrefs) {
savePreferences(derivedPrefs);
}
}
/**
* Returns the user preferences.
* @return {{string: any}} Associative array of user settings
*/
function getLoadedOrDerivedUserPreferences() {
initPreferencesFileIfNotExistsOrInvalid();
return readPreferences();
}
/*
* Returns true if we should display week day.
*/
function showWeekDay(weekDay) {
var preferences = getLoadedOrDerivedUserPreferences();
switch (weekDay) {
case 0: return preferences['working-days-sunday'];
case 1: return preferences['working-days-monday'];
case 2: return preferences['working-days-tuesday'];
case 3: return preferences['working-days-wednesday'];
case 4: return preferences['working-days-thursday'];
case 5: return preferences['working-days-friday'];
case 6: return preferences['working-days-saturday'];
}
}
/*
* Returns true if we should display day.
*/
function showDay(year, month, day) {
var currentDay = new Date(year, month, day), weekDay = currentDay.getDay();
return showWeekDay(weekDay);
}
module.exports = {
getUserPreferences: getLoadedOrDerivedUserPreferences,
savePreferences,
showDay
};