ctucx.git: trainsearch

dataStorage: fix v3 migration

diff --git a/src/dataStorage.js b/src/dataStorage.js
@@ -12,6 +12,7 @@ class LocalStorage {
 		this.journeysHistory = JSON.parse(localStorage.getItem('journeysHistory') || "[]");
 		this.journeysOverview = JSON.parse(localStorage.getItem('journeysOverview') || "{}");
 	}
+
 	async addJourneys(journeyEntries, overviewEntry, historyEntry) {
 		for (let j of journeyEntries) {
 			this.journey[j.refreshToken] = j;

@@ -21,27 +22,34 @@ class LocalStorage {
 		localStorage.setItem('journeysOverview', JSON.stringify(this.journeysOverview));
 		this.addHistoryEntry(historyEntry);
 	}
+
 	async getJourneysHistory() {
 		return this.journeysHistory;
 	}
+
 	async addHistoryEntry(newEntry) {
 		this.journeysHistory.push(newEntry);
 		localStorage.setItem('journeysHistory', JSON.stringify(this.journeysHistory));
 	}
+
 	async getSettings() {
 		return this.settings;
 	}
+
 	async modifySettings(prevSettings, callback) {
 		const newSettings = callback(prevSettings);
 		localStorage.setItem('settings', JSON.stringify(newSettings));
 		return newSettings;
 	}
+
 	async getJourneysOverview(slug) {
 		return this.journeysOverview[slug];
 	}
+
 	async getJourney(refreshToken) {
 		return this.journey[refreshToken];
 	}
+
 	async updateJourney(data) {
 		this.journey[data.refreshToken] = data;
 		localStorage.setItem('journey', JSON.stringify(this.journey));

@@ -86,9 +94,11 @@ class IDBStorage {
 					db.createObjectStore('journeysHistory', {autoIncrement: true});
 				case 2:
 					const settings = await transaction.objectStore('settings').get('settings');
-					if (settings.profile === 'vbb') {
+
+					if (settings !== undefined && settings.profile === 'vbb') {
 						settings.profile = 'db';
 					}
+
 					await transaction.objectStore('settings').put(settings, 'settings');
 				case 3:
 					//... add migrations for 3->4 here

@@ -115,15 +125,19 @@ class IDBStorage {
 		proms.push(tx.done);
 		await Promise.all(proms);
 	}
+
 	async getJourneysHistory() {
 		return await this.idb.getAll('journeysHistory');
 	}
+
 	async addHistoryEntry(newEntry) {
 		await this.idb.put('journeysHistory', newEntry);
 	}
+
 	async getSettings() {
 		return await this.idb.get('settings', 'settings');
 	}
+
 	async modifySettings(prevSettings, callback) {
 		const tx = this.idb.transaction('settings', 'readwrite');
 		const newSettings = callback(prevSettings);

@@ -133,12 +147,15 @@ class IDBStorage {
 		]);
 		return newSettings;
 	}
+
 	async getJourneysOverview(slug) {
 		return await this.idb.get('journeysOverview', slug);
 	}
+
 	async getJourney(refreshToken) {
 		return await this.idb.get('journey', refreshToken);
 	}
+
 	async updateJourney(data) {
 		return await this.idb.put('journey', data);
 	}

@@ -154,4 +171,10 @@ export const initDataStorage = async () => {
 	}
 };
 
-export const clearDataStorage = () => deleteDB(dbName);
+export const clearDataStorage = () => {
+	localStorage.removeItem('settings')
+	localStorage.removeItem('journey')
+	localStorage.removeItem('journeysHistory')
+	localStorage.removeItem('journeysOverview');
+	deleteDB(dbName);
+}