Make share more functional.

Author: wbobeirne

src/action/index-mobile.js

@@ -14,6 +14,7 @@ import {
   NativeModules,
   ActionSheetIOS,
   NativeEventEmitter,
+  Share,
 } from 'react-native';
 import * as Random from 'expo-random';
 import * as LocalAuthentication from 'expo-local-authentication';
@@ -47,7 +48,7 @@ store.init(); // initialize computed values
 export const db = new AppStorage(store, AsyncStorage);
 export const grpc = new GrpcAction(store, NativeModules, NativeEventEmitter);
 export const ipc = new IpcAction(grpc);
-export const log = new LogAction(store, ipc, false, RNFS);
+export const log = new LogAction(store, ipc, false, RNFS, Share);
 export const nav = new NavAction(store, NavigationActions, StackActions);
 export const notify = new NotificationAction(store, nav);
 export const wallet = new WalletAction(store, grpc, db, nav, notify, RNFS);

src/action/log.js

@@ -11,6 +11,7 @@ let _store;
 let _ipc;
 let _printErrObj;
 let _FS;
+let _Share;
 
 /**
  * Log an info event e.g. when something relevant but non-critical happens.
@@ -73,6 +74,23 @@ export function getLogs() {
   return _FS.readFile(getLogPath(_store.network), 'utf8');
 }
 
+/**
+ * Shares the log file using whatever native share function we have.
+ * @return {Promise}
+ */
+export async function shareLogs() {
+  if (!_Share) {
+    return Promise.reject(
+      'Cannot share logs with no Share library in action/log.js'
+    );
+  }
+  const logs = await getLogs();
+  return _Share.share({
+    title: 'Lightning App logs',
+    message: logs,
+  });
+}
+
 function pushLogs(message) {
   if (!_store) return;
   _store.logs += '\n' + message.replace(/\s+$/, '');
@@ -83,11 +101,12 @@ function pushLogs(message) {
 }
 
 class LogAction {
-  constructor(store, ipc, printErrObj = true, FS) {
+  constructor(store, ipc, printErrObj = true, FS, Share) {
     _store = store;
     _ipc = ipc;
     _printErrObj = printErrObj;
     _FS = FS;
+    _Share = Share;
     _ipc.listen('logs', (event, message) => pushLogs(message));
     _ipc.send('logs-ready', null, true);
   }

src/view/cli.js

@@ -1,5 +1,5 @@
 import React, { Component } from 'react';
-import { ScrollView, StyleSheet, Share, Platform } from 'react-native';
+import { ScrollView, StyleSheet, Platform } from 'react-native';
 import { observer } from 'mobx-react';
 import PropTypes from 'prop-types';
 import { SplitBackground } from '../component/background';
@@ -8,7 +8,7 @@ import Text from '../component/text';
 import { BackButton, ShareButton, Button } from '../component/button';
 import { createStyles, maxWidth } from '../component/media-query';
 import { color, font, breakWidth } from '../component/style';
-import { getLogs, error } from '../action/log';
+import { shareLogs, error } from '../action/log';
 
 //
 // CLI View
@@ -41,11 +41,7 @@ class CLIView extends Component {
 
   async shareLogs() {
     try {
-      const logs = await getLogs();
-      await Share.share({
-        title: 'Lightning App logs',
-        message: logs,
-      });
+      await shareLogs();
     } catch (err) {
       error(err);
     }