feat(deviceinfo): add state for background / foreground

fix #1029

Signed-off-by: Godefroy Ponsinet <godefroy.ponsinet@outlook.com>

client/react-native/android/app/src/main/java/chat/berty/main/MainActivity.java

@@ -1,18 +1,24 @@
 package chat.berty.main;
 
 import android.content.Intent;
+import android.os.Bundle;
 import android.util.Log;
 
 import com.facebook.react.ReactActivity;
 
+import chat.berty.core.Level;
+import chat.berty.core.Logger;
+import core.Core;
+
 public class MainActivity extends ReactActivity {
 
     protected String TAG = "MainActivity";
+    private Logger logger = new Logger("chat.berty.io");
 
     /**
-    * Returns the name of the main component registered from JavaScript.
-    * This is used to schedule rendering of the component.
-    */
+     * Returns the name of the main component registered from JavaScript.
+     * This is used to schedule rendering of the component.
+     */
     @Override
     protected String getMainComponentName() {
         return "root";
@@ -27,4 +33,45 @@ public void onActivityResult(int requestCode, int resultCode, Intent data) {
     public void onNewIntent(Intent intent) {
         super.onNewIntent(intent);
     }
+
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        try {
+            Core.getDeviceInfo().setAppState(Core.getDeviceInfoAppStateBackground());
+        } catch (Exception err) {
+            this.logger.format(Level.ERROR, TAG, "on create: %s", err);
+        }
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        try {
+            Core.getDeviceInfo().setAppState(Core.getDeviceInfoAppStateBackground());
+        } catch (Exception err) {
+            this.logger.format(Level.ERROR, TAG, "on pause: %s", err);
+        }
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        try {
+            Core.getDeviceInfo().setAppState(Core.getDeviceInfoAppStateForeground());
+        } catch (Exception err) {
+            this.logger.format(Level.ERROR, TAG, "on resume: %s", err);
+        }
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        try {
+            Core.getDeviceInfo().setAppState(Core.getDeviceInfoAppStateKill());
+        } catch (Exception err) {
+            this.logger.format(Level.ERROR, TAG, "on destroy: %s", err);
+        }
+    }
 }

client/react-native/gomobile/core/deviceinfo.go

@@ -1,6 +1,9 @@
 package core
 
-import "berty.tech/core/pkg/deviceinfo"
+import (
+	"berty.tech/core/pkg/deviceinfo"
+	"github.com/pkg/errors"
+)
 
 type DeviceInfoPkg struct{}
 
@@ -13,3 +16,22 @@ func (*DeviceInfoPkg) GetStoragePath() string {
 func (*DeviceInfoPkg) SetStoragePath(path string) error {
 	return deviceinfo.SetStoragePath(path)
 }
+
+var (
+	DeviceInfoAppStateKill       string = deviceinfo.AppState_name[int32(deviceinfo.AppState_Kill)]
+	DeviceInfoAppStateBackground string = deviceinfo.AppState_name[int32(deviceinfo.AppState_Background)]
+	DeviceInfoAppStateForeground string = deviceinfo.AppState_name[int32(deviceinfo.AppState_Foreground)]
+)
+
+func (*DeviceInfoPkg) GetAppState() string {
+	return deviceinfo.AppState_name[int32(deviceinfo.GetAppState())]
+}
+
+func (*DeviceInfoPkg) SetAppState(state string) error {
+	val, ok := deviceinfo.AppState_value[state]
+	if !ok {
+		return errors.New("cannot specify " + state + " as state")
+	}
+	deviceinfo.SetAppState(deviceinfo.AppState(val))
+	return nil
+}

client/react-native/ios/Berty/AppDelegate.swift

@@ -5,6 +5,7 @@ import PushKit
 @UIApplicationMain
 class AppDelegate: AppDelegateObjC {
   var logger = Logger("chat.berty.io", "AppDelegate")
+  var launchOptions: [UIApplicationLaunchOptionsKey: Any]?
 
   override init() {
     super.init()
@@ -22,18 +23,15 @@ class AppDelegate: AppDelegateObjC {
     return filesPath!
   }
 
-  override func application(
-    _ application: UIApplication,
-    didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]? = nil
-  ) -> Bool {
+  func startReact() {
     let jsCodeLocation: URL =
       (RCTBundleURLProvider.sharedSettings()?.jsBundleURL(forBundleRoot: "index", fallbackResource: nil))!
 
     let rootView: RCTRootView = RCTRootView.init(
       bundleURL: jsCodeLocation,
       moduleName: "root",
       initialProperties: nil,
-      launchOptions: launchOptions
+      launchOptions: self.launchOptions
     )
     rootView.backgroundColor = UIColor.init(red: 1.0, green: 1.0, blue: 1.0, alpha: 1)
 
@@ -42,6 +40,18 @@ class AppDelegate: AppDelegateObjC {
     rootViewController.view = rootView
     self.window.rootViewController = rootViewController
     self.window.makeKeyAndVisible()
+  }
+
+  override func application(
+    _ application: UIApplication,
+    didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]? = nil
+  ) -> Bool {
+    self.launchOptions = launchOptions
+
+    // TODO: Move this line to applicationDidBecomeActive when envelope db with network independant start will be implem
+    self.startReact()
+    // TODO: remote comment when independant start will be implem
+    // Core.startNetwork()
 
     // permit to show local notification in background mode
     application.beginBackgroundTask(withName: "showNotification", expirationHandler: nil)
@@ -66,9 +76,30 @@ class AppDelegate: AppDelegateObjC {
     do {
       try Core.deviceInfo().setStoragePath(try self.getFilesDir())
     } catch let error as NSError {
-      logger.format("unable to set storage path", level: .error, error.userInfo.description)
+      logger.format("unable to set storage path: %@", level: .error, error.userInfo.description)
       return false
     }
     return true
   }
+
+  override func applicationDidBecomeActive(_ application: UIApplication) {
+    // start react if app was killed
+    if Core.deviceInfo()?.getAppState() == Core.deviceInfoAppStateKill() {
+      // self.startReact()
+    }
+
+    do {
+      try Core.deviceInfo().setAppState(Core.deviceInfoAppStateForeground())
+    } catch let err as NSError {
+      logger.format("application did become active: %@", level: .error, err.userInfo.description)
+    }
+  }
+
+  override func applicationDidEnterBackground(_ application: UIApplication) {
+    do {
+      try Core.deviceInfo().setAppState(Core.deviceInfoAppStateBackground())
+    } catch let err as NSError {
+      logger.format("application did enter background: %@", level: .error, err.userInfo.description)
+    }
+  }
 }

core/chunk/chunk_test.go

@@ -33,7 +33,7 @@ func Test(t *testing.T) {
 	Convey("set storage path and remove last db", t, FailureHalts, func() {
 		err = deviceinfo.SetStoragePath("/tmp/chunk_test")
 		So(err, ShouldBeNil)
-		os.Remove("/tmp/chunk_test/berty.core.db")
+		os.Remove("/tmp/chunk_test/berty.core.chunk.db")
 	})
 
 	Convey("split random data", t, FailureHalts, func() {

core/pkg/deviceinfo/application.go

@@ -0,0 +1,12 @@
+package deviceinfo
+
+var appState = AppState_Kill
+
+func GetAppState() AppState {
+	return appState
+}
+
+func SetAppState(state AppState) {
+	logger().Info("application switch from  " + AppState_name[int32(appState)] + " to " + AppState_name[int32(state)] + " mode")
+	appState = state
+}

core/pkg/deviceinfo/application.proto

@@ -0,0 +1,11 @@
+syntax = "proto3";
+
+package berty.pkg.deviceinfo;
+
+option go_package = "berty.tech/core/pkg/deviceinfo";
+
+enum AppState {
+  Kill = 0;
+  Background = 1;
+  Foreground = 2;
+}

core/pkg/deviceinfo/storage.go

@@ -11,12 +11,16 @@ func SetStoragePath(path string) error {
 	stat, err := os.Stat(path)
 
 	if os.IsNotExist(err) {
-		if err := os.MkdirAll(path, 0700); err != nil {
+		if err := os.MkdirAll(path, 0777); err != nil {
 			return err
 		}
+		err = nil
+	}
+	if err != nil {
+		return err
 	}
 
-	if stat.IsDir() == false {
+	if stat != nil && stat.IsDir() == false {
 		return errors.New("storage path is not a directory: not a dir")
 	}