Add db deletion button for when things go wrong

components/password-prompt.js

@@ -5,7 +5,7 @@ import { AppText } from './app-text'
 import { hasEncryptionObservable } from '../local-storage'
 import styles from '../styles'
 import { passwordPrompt } from './labels'
-import { openDbConnection, requestHash } from '../db'
+import { openDbConnection, requestHash, deleteDbAndOpenNew } from '../db'
 import App from './app'
 
 export default class PasswordPrompt extends Component {
@@ -32,6 +32,7 @@ export default class PasswordPrompt extends Component {
         }
         try {
           await openDbConnection(key)
+          this.setState({showApp: true})
         } catch (err) {
           console.log(err)
           this.setState({ wrongPassword: true })
@@ -79,6 +80,17 @@ export default class PasswordPrompt extends Component {
                   </AppText>
                 </TouchableOpacity>
                 {this.state.wrongPassword && <AppText>Wrong PAssword!</AppText>}
+                <TouchableOpacity
+                  style={styles.settingsButton}
+                  onPress={async () => {
+                    await deleteDbAndOpenNew()
+                    this.setState({showApp: true})
+                  }}
+                >
+                  <AppText style={styles.settingsButtonText}>
+                    {'Delete old db and make unencrypted new'}
+                  </AppText>
+                </TouchableOpacity>
               </View>
             }
           </View>

db/index.js

@@ -20,7 +20,7 @@ const realmConfig = {
 }
 
 export async function openDbConnection(key) {
-  realmConfig.encryptionKey = key
+  if(key) realmConfig.encryptionKey = key
   db = await Realm.open(realmConfig)
 }
 
@@ -167,7 +167,6 @@ function tryToImportWithoutDelete(cycleDays) {
 }
 
 function requestHash(pw) {
-  console.log('requesting hash')
   nodejs.channel.send(JSON.stringify({
     type: 'request-SHA512',
     message: pw || 'mypassword'
@@ -191,6 +190,12 @@ async function encryptAndRestartApp(key) {
   restart.Restart()
 }
 
+async function deleteDbAndOpenNew() {
+  const exists = await fs.exists(Realm.defaultPath)
+  if (exists) await fs.unlink(Realm.defaultPath)
+  await openDbConnection()
+}
+
 export {
   saveSymptom,
   getOrCreateCycleDay,
@@ -207,5 +212,6 @@ export {
   tryToImportWithDelete,
   tryToImportWithoutDelete,
   requestHash,
-  encryptAndRestartApp
+  encryptAndRestartApp,
+  deleteDbAndOpenNew
 }