Added forgot pin feature

src/config/locales/en-US.json

@@ -144,6 +144,7 @@
     "invalid_pincode": "Invalid PIN code, please check and try again.",
     "remove_alert": "Are you sure you want to remove?",
     "clear_alert": "Are you sure you want to clear?",
+    "clear_user_alert": "Are you sure you want to clear all user data?",
     "clear": "Clear",
     "cancel": "Cancel",
     "delete": "Delete",

src/realm/realm.js

@@ -176,8 +176,7 @@ export const updateUserData = userData => new Promise((resolve, reject) => {
 
 export const removeUserData = username => new Promise((resolve, reject) => {
   try {
-    const account = realm.objects(USER_SCHEMA).filtered('username = $0', username);
-
+    const account = realm.objects(USER_SCHEMA).filtered('username = $0', username)
     if (Array.from(account).length > 0) {
       realm.write(() => {
         realm.delete(account);
@@ -191,6 +190,21 @@ export const removeUserData = username => new Promise((resolve, reject) => {
   }
 });
 
+export const removeAllUserData = () => new Promise((resolve, reject) => {
+  try {
+    const accounts = realm.objects(USER_SCHEMA);
+    const scAccount = realm.objects(SC_ACCOUNTS);
+
+    realm.write(() => {
+      realm.delete(accounts);
+      realm.delete(scAccount);
+      resolve();
+    });
+  } catch (error) {
+    reject(error);
+  }
+});
+
 // // TODO: This method deleting ALL users. This should delete just a user.
 // export const removeUserData = () => new Promise((resolve, reject) => {
 //   setAuthStatus({ isLoggedIn: false }).then(() => {

src/screens/pinCode/container/pinCodeContainer.js

@@ -10,11 +10,19 @@ import {
   verifyPinCode,
   updatePinCode,
 } from '../../../providers/steem/auth';
-import { closePinCodeModal } from '../../../redux/actions/applicationActions';
-import { getExistUser, setExistUser, getUserDataWithUsername } from '../../../realm/realm';
+import { closePinCodeModal, login, logoutDone } from '../../../redux/actions/applicationActions';
+import {
+  getExistUser,
+  setExistUser,
+  getUserDataWithUsername,
+  removeAllUserData,
+  removePinCode,
+  setAuthStatus,
+} from '../../../realm/realm';
 import {
   updateCurrentAccount,
   setPinCode as savePinCode,
+  removeOtherAccount,
 } from '../../../redux/actions/accountAction';
 import { getUser } from '../../../providers/steem/dsteem';
 
@@ -112,11 +120,14 @@ class PinCodeContainer extends Component {
           resolve();
         })
         .catch((err) => {
-          Alert.alert(intl.formatMessage({
-            id: 'alert.warning',
-          }), intl.formatMessage({
-            id: err.message,
-          }));
+          Alert.alert(
+            intl.formatMessage({
+              id: 'alert.warning',
+            }),
+            intl.formatMessage({
+              id: err.message,
+            }),
+          );
           reject(err);
         });
     }
@@ -154,12 +165,7 @@ class PinCodeContainer extends Component {
 
   _verifyPinCode = pin => new Promise((resolve, reject) => {
     const {
-      currentAccount,
-      dispatch,
-      accessToken,
-      navigateTo,
-      navigation,
-      intl,
+      currentAccount, dispatch, accessToken, navigateTo, navigation, intl,
     } = this.props;
 
     // If the user is exist, we are just checking to pin and navigating to home screen
@@ -183,11 +189,14 @@ class PinCodeContainer extends Component {
         }
       })
       .catch((err) => {
-        Alert.alert(intl.formatMessage({
-          id: 'alert.warning',
-        }), intl.formatMessage({
-          id: err.message,
-        }));
+        Alert.alert(
+          intl.formatMessage({
+            id: 'alert.warning',
+          }),
+          intl.formatMessage({
+            id: err.message,
+          }),
+        );
         reject(err);
       });
   });
@@ -264,6 +273,42 @@ class PinCodeContainer extends Component {
     }, 1000);
   };
 
+  _handleForgotButton = () => {
+    const { intl } = this.props;
+
+    Alert.alert(
+      intl.formatMessage({
+        id: 'alert.warning',
+      }),
+      intl.formatMessage({
+        id: 'alert.clear_user_alert',
+      }),
+      [
+        { text: intl.formatMessage({ id: 'alert.clear' }), onPress: () => this._forgotPinCode() },
+        { text: intl.formatMessage({ id: 'alert.cancel' }), style: 'destructive' },
+      ]
+    );
+  };
+
+  _forgotPinCode = async () => {
+    const { otherAccounts, dispatch } = this.props;
+
+    await removeAllUserData()
+      .then(async () => {
+        dispatch(updateCurrentAccount({}));
+        dispatch(login(false));
+        removePinCode();
+        setAuthStatus({ isLoggedIn: false });
+        setExistUser(false);
+        if (otherAccounts.length > 0) {
+          otherAccounts.map(item => dispatch(removeOtherAccount(item.username)));
+        }
+        dispatch(logoutDone());
+        dispatch(closePinCodeModal());
+      })
+      .catch(() => {});
+  };
+
   render() {
     const { currentAccount, intl, isReset } = this.props;
     const { informationText, isExistUser } = this.state;
@@ -274,6 +319,7 @@ class PinCodeContainer extends Component {
         showForgotButton={isExistUser}
         username={currentAccount.name}
         intl={intl}
+        handleForgotButton={() => this._handleForgotButton()}
         {...this.props}
       />
     );
@@ -283,6 +329,7 @@ class PinCodeContainer extends Component {
 const mapStateToProps = state => ({
   currentAccount: state.account.currentAccount,
   applicationPinCode: state.account.pin,
+  otherAccounts: state.account.otherAccounts,
 });
 
 export default injectIntl(connect(mapStateToProps)(PinCodeContainer));

src/screens/pinCode/screen/pinCodeScreen.js

@@ -51,7 +51,7 @@ class PinCodeScreen extends PureComponent {
 
   render() {
     const {
-      informationText, showForgotButton, username, intl,
+      informationText, showForgotButton, username, intl, handleForgotButton,
     } = this.props;
     const { pin, loading } = this.state;
 
@@ -73,7 +73,7 @@ class PinCodeScreen extends PureComponent {
           <NumericKeyboard onPress={this._handleKeyboardOnPress} />
         </View>
         {showForgotButton ? (
-          <TouchableOpacity style={styles.forgotButtonView}>
+          <TouchableOpacity onPress={() => handleForgotButton()} style={styles.forgotButtonView}>
             <Text style={styles.forgotButtonText}>
               {intl.formatMessage({
                 id: 'pincode.forgot_text',