111 lines
3.3 KiB
JavaScript
111 lines
3.3 KiB
JavaScript
import options from './options';
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import getCurrRate from './utils/getCurrRate';
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import showNotification from './utils/showNotification';
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const icons = {
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enabled: {
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16: browser.runtime.getURL('icons/icon16.png'),
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32: browser.runtime.getURL('icons/icon32.png'),
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48: browser.runtime.getURL('icons/icon48.png'),
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},
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disabled: {
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16: browser.runtime.getURL('icons/icon16_off.png'),
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32: browser.runtime.getURL('icons/icon32_off.png'),
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48: browser.runtime.getURL('icons/icon48_off.png'),
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},
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};
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let preferences = { enabled: true };
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let currRates = {};
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// set default preferences
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window.OPTIONS = options;
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options.forEach((option) => {
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preferences[option.name] = option.value;
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});
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function onError(error) {
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console.error('SCsCC - error:', error.message);
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}
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// get storage
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browser.storage.local.get()
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.then((storage) => {
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const newStorage = {};
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if (storage.preferences && Object.keys(storage.preferences).length === Object.keys(preferences).length) {
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preferences = storage.preferences;
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} else {
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preferences = Object.assign({}, preferences, storage.preferences || {});
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newStorage.preferences = preferences;
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}
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if (storage.currRates) {
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const newCurrRates = {};
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Object.keys(storage.currRates).forEach((key) => {
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const currRare = storage.currRates[key];
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if (Date.now() - currRare.updatedAt < 86400000) {
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newCurrRates[key] = currRare;
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}
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});
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if (Object.keys(storage.currRates).length !== Object.keys(newCurrRates).length) {
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currRates = newCurrRates;
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newStorage.currRates = newCurrRates;
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} else {
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currRates = storage.currRates;
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}
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} else {
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newStorage.currRates = {};
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}
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if (Object.keys(newStorage).length) browser.storage.local.set(newStorage);
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if (!preferences.toCurr) browser.runtime.openOptionsPage();
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browser.browserAction.setIcon({ path: preferences.enabled ? icons.enabled : icons.disabled });
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})
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.catch(onError);
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browser.storage.onChanged.addListener((changes) => {
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if (changes.preferences && changes.preferences.newValue) {
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const newPrefs = changes.preferences.newValue;
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if (newPrefs.enabled !== preferences.enabled) browser.browserAction.setIcon({ path: newPrefs.enabled ? icons.enabled : icons.disabled });
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preferences = newPrefs;
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}
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if (changes.currRates && changes.currRates.newValue) {
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currRates = changes.currRates.newValue;
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}
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});
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const checkCurrRate = (currRate, fromCurr, toCurr) => {
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const reqKey = `${fromCurr}to${toCurr}`;
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if (!currRates[reqKey] || currRates[reqKey].value !== currRate.value || currRates[reqKey].updatedAt !== currRate.updatedAt) {
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if (preferences.noti) {
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const oldValue = (currRates[reqKey] && currRates[reqKey].value) || null;
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showNotification(fromCurr, toCurr, oldValue, currRate.value);
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}
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const newCurrRates = Object.assign({}, currRates, { [reqKey]: currRate });
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browser.storage.local.set({ currRates: newCurrRates });
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}
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};
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browser.runtime.onMessage.addListener(({ type, data }) => {
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if (type === 'getCurrRate') {
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const { from: fromCurr, to: toCurr } = data;
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return getCurrRate(currRates, fromCurr, toCurr)
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.then((currRate) => {
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checkCurrRate(currRate, fromCurr, toCurr);
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return currRate;
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});
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}
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return false;
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});
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