From 207b5504e77d14989cf9a6aa89a398a371026980 Mon Sep 17 00:00:00 2001
From: Julia Friesel <julia.friesel@gmail.com>
Date: Tue, 30 Oct 2018 09:14:46 +0100
Subject: [PATCH] Only throw unexpected errors from openDb

---
 components/password-prompt.js                       | 11 ++++-------
 .../settings/password/check-current-password.js     |  6 ++----
 db/index.js                                         | 13 +++++++++++--
 3 files changed, 17 insertions(+), 13 deletions(-)

diff --git a/components/password-prompt.js b/components/password-prompt.js
index f9e63ee..c2a246e 100644
--- a/components/password-prompt.js
+++ b/components/password-prompt.js
@@ -24,22 +24,19 @@ export default class PasswordPrompt extends Component {
   }
 
   async tryToOpenDb() {
-    try {
-      await openDb({ persistConnection: true })
-    } catch (err) {
+    const connected = await openDb({ persistConnection: true })
+    if (!connected) {
       this.setState({ showPasswordPrompt: true })
       await saveEncryptionFlag(true)
       return
     }
-
     await saveEncryptionFlag(false)
     this.props.showApp()
   }
 
   passHashToDb = async hash => {
-    try {
-      await openDb({ hash, persistConnection: true })
-    } catch (err) {
+    const connected = await openDb({ hash, persistConnection: true })
+    if (!connected) {
       Alert.alert(
         shared.incorrectPassword,
         shared.incorrectPasswordMessage,
diff --git a/components/settings/password/check-current-password.js b/components/settings/password/check-current-password.js
index b177de4..0a27487 100644
--- a/components/settings/password/check-current-password.js
+++ b/components/settings/password/check-current-password.js
@@ -3,10 +3,8 @@ import { openDb } from '../../../db'
 import { shared } from '../../labels'
 
 export default async function checkPassword({hash, onCancel, onTryAgain }) {
-  try {
-    await openDb({ hash, persistConnection: false })
-    return true
-  } catch (err) {
+  const connected = await openDb({ hash, persistConnection: false })
+  if (!connected) {
     Alert.alert(
       shared.incorrectPassword,
       shared.incorrectPasswordMessage,
diff --git a/db/index.js b/db/index.js
index fe8c269..15523f6 100644
--- a/db/index.js
+++ b/db/index.js
@@ -29,16 +29,25 @@ export async function openDb ({ hash, persistConnection }) {
 
   // open the Realm with the latest schema
   realmConfig.schema = schemas[schemas.length - 1]
-  const connection = await Realm.open(Object.assign(
+  let connection
+  try {
+    connection = await Realm.open(Object.assign(
     realmConfig,
     schemas[schemas.length - 1]
   ))
+  } catch(err) {
+    if (!err.toString().includes('decrypt')) throw err
+    return false
+  }
 
-  if (persistConnection) db = connection
+  if (persistConnection) {
+    db = connection
   const cycle = cycleModule()
   isMensesStart = cycle.isMensesStart
   getMensesDaysRightAfter = cycle.getMensesDaysRightAfter
 }
+  return true
+}
 
 export function getBleedingDaysSortedByDate() {
   return db.objects('CycleDay').filtered('bleeding != null').sorted('date', true)