created send feedback feature

src/config/locales/en-US.json

@@ -66,11 +66,15 @@
     "pincode": "PIN code",
     "reset": "Reset",
     "nsfw_content": "NSFW Content",
+    "send_feedback": "Send Feedback",
+    "send": "Send",
     "nsfw": {
       "always_show": "Always show",
       "always_hide": "Always hide",
       "always_warn": "Always warn"
-    }
+    },
+    "feedback_success": "Email successfully open",
+    "feedback_fail": "Email client could not open"
   },
   "voters": {
     "voters_info": "Voters Info",

src/screens/settings/container/settingsContainer.js

@@ -4,6 +4,7 @@ import { connect } from 'react-redux';
 import AppCenter from 'appcenter';
 import Push from 'appcenter-push';
 import { Client } from 'dsteem';
+import VersionNumber from 'react-native-version-number';
 
 // Realm
 import {
@@ -36,6 +37,7 @@ import { VALUE as CURRENCY_VALUE } from '../../../constants/options/currency';
 import { VALUE as LANGUAGE_VALUE } from '../../../constants/options/language';
 
 // Utilities
+import { sendEmail } from '../../../utils/sendEmail';
 
 // Component
 import SettingsScreen from '../screen/settingsScreen';
@@ -86,6 +88,10 @@ class SettingsContainer extends Component {
         setNsfw2DB(action);
         break;
 
+      case 'feedback':
+        this._handleSendFeedback();
+        break;
+
       default:
         break;
     }
@@ -216,6 +222,36 @@ class SettingsContainer extends Component {
       });
     }
   };
+  
+  _handleSendFeedback = async () => {
+    const { dispatch, intl } = this.props;
+    let message;
+
+     await sendEmail(
+      'bug@esteem.app',
+      'Feedback/Bug report',
+      `Write your message here!
+       App version: ${VersionNumber.buildVersion}
+      Platform: ${Platform.OS === 'ios' ? 'IOS' : 'Android'}
+      Device: ${DeviceInfo.getDeviceName()}`,
+    )
+      .then(() => {
+        message = 'settings.feedback_success';
+      })
+      .catch(() => {
+        message = 'settings.feedback_fail';
+      });
+
+     if (message) {
+      dispatch(
+        toastNotification(
+          intl.formatMessage({
+            id: message,
+          }),
+        ),
+      );
+    }
+  };
 
   render() {
     const { serverList } = this.state;

src/screens/settings/screen/settingsScreen.js

@@ -1,4 +1,4 @@
-import React, { PureComponent } from 'react';
+import React, { PureComponent, Fragment } from 'react';
 import { ScrollView, View } from 'react-native';
 import { injectIntl } from 'react-intl';
 
@@ -116,17 +116,30 @@ class SettingsScreen extends PureComponent {
             handleOnChange={handleOnChange}
           />
           {!!isLoggedIn && (
-            <SettingsItem
-              title={intl.formatMessage({
-                id: 'settings.pincode',
-              })}
-              text={intl.formatMessage({
-                id: 'settings.reset',
-              })}
-              type="button"
-              actionType="pincode"
-              handleOnChange={handleOnChange}
-            />
+            <Fragment>
+              <SettingsItem
+                title={intl.formatMessage({
+                  id: 'settings.pincode',
+                })}
+                text={intl.formatMessage({
+                  id: 'settings.reset',
+                })}
+                type="button"
+                actionType="pincode"
+                handleOnChange={handleOnChange}
+              />
+              <SettingsItem
+                title={intl.formatMessage({
+                  id: 'settings.send_feedback',
+                })}
+                text={intl.formatMessage({
+                  id: 'settings.send',
+                })}
+                type="button"
+                actionType="feedback"
+                handleOnChange={handleOnChange}
+              />
+            </Fragment>
           )}
         </ScrollView>
       </View>

src/utils/sendEmail.js

@@ -0,0 +1,27 @@
+import { Linking } from 'react-native';
+import qs from 'qs';
+
+ export const sendEmail = async (to, subject, body, options = {}) => {
+  const { cc, bcc } = options;
+
+   let url = `mailto:${to}`;
+
+   const query = qs.stringify({
+    subject,
+    body,
+    cc,
+    bcc,
+  });
+
+   if (query.length) {
+    url += `?${query}`;
+  }
+
+   const canOpen = await Linking.canOpenURL(url);
+
+   if (!canOpen) {
+    throw new Error('Provided URL can not be handled');
+  }
+
+   return Linking.openURL(url);
+};