From 0204a2ee2ce5739ba23ee5d42a662035fd8889e6 Mon Sep 17 00:00:00 2001
From: Nikolay Demyankov <nikolay.demyankov@nordnet.se>
Date: Fri, 22 Apr 2016 13:43:41 +0200
Subject: [PATCH] Added isUpdateAvailableForInstallation() method to Android.

https://github.com/nordnet/cordova-hot-code-push/issues/102
---
 .../chcp/main/HotCodePushPlugin.java          | 25 +++++++++++++++++++
 .../com/nordnetab/chcp/main/js/JSAction.java  |  1 +
 .../chcp/main/js/PluginResultHelper.java      |  4 ++-
 3 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/src/android/src/com/nordnetab/chcp/main/HotCodePushPlugin.java b/src/android/src/com/nordnetab/chcp/main/HotCodePushPlugin.java
index c9cd10da..32f099b5 100644
--- a/src/android/src/com/nordnetab/chcp/main/HotCodePushPlugin.java
+++ b/src/android/src/com/nordnetab/chcp/main/HotCodePushPlugin.java
@@ -47,7 +47,9 @@
 
 import java.io.File;
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 
 import org.greenrobot.eventbus.EventBus;
 import org.greenrobot.eventbus.Subscribe;
@@ -229,6 +231,8 @@ public boolean execute(String action, CordovaArgs args, CallbackContext callback
             jsSetPluginOptions(args, callbackContext);
         } else if (JSAction.REQUEST_APP_UPDATE.equals(action)) {
             jsRequestAppUpdate(args, callbackContext);
+        } else if (JSAction.IS_UPDATE_AVAILABLE_FOR_INSTALLATION.equals(action)) {
+            jsIsUpdateAvailableForInstallation(callbackContext);
         } else {
             cmdProcessed = false;
         }
@@ -394,6 +398,27 @@ private void jsRequestAppUpdate(final CordovaArgs arguments, final CallbackConte
         new AppUpdateRequestDialog(cordova.getActivity(), msg, storeURL, callback).show();
     }
 
+    /**
+     * Check if new version was loaded and can be installed.
+     *
+     * @param callback callback where to send the result
+     * */
+    private void jsIsUpdateAvailableForInstallation(final CallbackContext callback) {
+        Map<String, Object> data = null;
+        ChcpError error = null;
+        final String readyForInstallationVersionName = pluginInternalPrefs.getReadyForInstallationReleaseVersionName();
+        if (!TextUtils.isEmpty(readyForInstallationVersionName)) {
+            data = new HashMap<String, Object>();
+            data.put("readyToInstallVersion", readyForInstallationVersionName);
+            data.put("currentVersion", pluginInternalPrefs.getCurrentReleaseVersionName());
+        } else {
+            error = ChcpError.NOTHING_TO_INSTALL;
+        }
+
+        PluginResult pluginResult = PluginResultHelper.createPluginResult(null, data, error);
+        callback.sendPluginResult(pluginResult);
+    }
+
     /**
      * Perform update availability check.
      *
diff --git a/src/android/src/com/nordnetab/chcp/main/js/JSAction.java b/src/android/src/com/nordnetab/chcp/main/js/JSAction.java
index 5bcb5b47..abdd951e 100644
--- a/src/android/src/com/nordnetab/chcp/main/js/JSAction.java
+++ b/src/android/src/com/nordnetab/chcp/main/js/JSAction.java
@@ -12,6 +12,7 @@ public final class JSAction {
     public static final String INSTALL_UPDATE = "jsInstallUpdate";
     public static final String CONFIGURE = "jsConfigure";
     public static final String REQUEST_APP_UPDATE = "jsRequestAppUpdate";
+    public static final String IS_UPDATE_AVAILABLE_FOR_INSTALLATION = "jsIsUpdateAvailableForInstallation";
 
     // Private API
     public static final String INIT = "jsInitPlugin";
diff --git a/src/android/src/com/nordnetab/chcp/main/js/PluginResultHelper.java b/src/android/src/com/nordnetab/chcp/main/js/PluginResultHelper.java
index 529cf5a4..d07318ec 100644
--- a/src/android/src/com/nordnetab/chcp/main/js/PluginResultHelper.java
+++ b/src/android/src/com/nordnetab/chcp/main/js/PluginResultHelper.java
@@ -101,7 +101,9 @@ private static PluginResult getResult(String action, JsonNode data, JsonNode err
         JsonNodeFactory factory = JsonNodeFactory.instance;
 
         ObjectNode resultObject = factory.objectNode();
-        resultObject.set(JsParams.General.ACTION, factory.textNode(action));
+        if (action != null) {
+            resultObject.set(JsParams.General.ACTION, factory.textNode(action));
+        }
 
         if (data != null) {
             resultObject.set(JsParams.General.DATA, data);