From 5d9f920b2c8c4dfa68f8acf5c7d7a6f3aa5fa195 Mon Sep 17 00:00:00 2001
From: Graham Jones <grahamjones139@gmail.com>
Date: Wed, 5 Jan 2022 19:49:23 +0000
Subject: [PATCH] Added activity to view the remote database data - needs to
 point to a (not yet written) ReactJS based page - just shows the API raw data
 at the moment.

---
 app/src/main/AndroidManifest.xml              |   1 +
 .../AuthenticateActivity.java                 |  70 -------
 .../LogManagerControlActivity.java            |  13 ++
 .../openseizuredetector/RemoteDbActivity.java | 173 ++++++++++++++++++
 .../main/res/layout/activity_authenticate.xml |   3 +-
 .../layout/activity_log_manager_control.xml   |   5 +
 .../main/res/layout/activity_remote_db.xml    |  44 +++++
 app/src/main/res/values/strings.xml           |   1 +
 8 files changed, 239 insertions(+), 71 deletions(-)
 create mode 100644 app/src/main/java/uk/org/openseizuredetector/RemoteDbActivity.java
 create mode 100644 app/src/main/res/layout/activity_remote_db.xml

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 043ea1a..35ac3a2 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -65,6 +65,7 @@
             android:exported="false" />
 
         <activity android:name=".LogManagerControlActivity" />
+        <activity android:name=".RemoteDbActivity" />
 
         <receiver
             android:name=".BootBroadcastReceiver"
diff --git a/app/src/main/java/uk/org/openseizuredetector/AuthenticateActivity.java b/app/src/main/java/uk/org/openseizuredetector/AuthenticateActivity.java
index 250c51e..f103e6b 100644
--- a/app/src/main/java/uk/org/openseizuredetector/AuthenticateActivity.java
+++ b/app/src/main/java/uk/org/openseizuredetector/AuthenticateActivity.java
@@ -1,9 +1,7 @@
 package uk.org.openseizuredetector;
 
-//import androidx.appcompat.app.AppCompatActivity;
 import android.content.Context;
 import android.content.SharedPreferences;
-import android.preference.PreferenceManager;
 import android.support.v7.app.AppCompatActivity;
 
 import android.os.Bundle;
@@ -14,20 +12,12 @@ import android.widget.EditText;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
-import org.json.JSONException;
-import org.json.JSONObject;
-
-import java.text.DateFormat;
-import java.text.SimpleDateFormat;
-import java.util.Date;
-
 public class AuthenticateActivity extends AppCompatActivity
         implements AuthCallbackInterface, EventCallbackInterface, DatapointCallbackInterface {
     private String TAG = "AuthenticateActivity";
     private Context mContext;
     private EditText mUnameEt;
     private EditText mPasswdEt;
-    private boolean mIsLoggedIn;
     private WebApiConnection mWac;
     private LogManager mLm;
 
@@ -47,14 +37,6 @@ public class AuthenticateActivity extends AppCompatActivity
         Button logoutBtn = (Button)findViewById(R.id.logoutBtn);
         logoutBtn.setOnClickListener(onLogout);
 
-        Button createEventBtn = (Button)findViewById(R.id.createEventBtn);
-        createEventBtn.setOnClickListener(onCreateEvent);
-        Button createDatapointBtn = (Button)findViewById(R.id.createDatapointBtn);
-        createDatapointBtn.setOnClickListener(onCreateDatapoint);
-        Button getLocalEventsBtn = (Button)findViewById(R.id.getLocalEventsBtn);
-        getLocalEventsBtn.setOnClickListener(onGetLocalEvents);
-
-
         mUnameEt = (EditText) findViewById(R.id.username);
         mPasswdEt = (EditText) findViewById(R.id.password);
         mWac = new WebApiConnection(this, this, this, this);
@@ -140,56 +122,4 @@ public class AuthenticateActivity extends AppCompatActivity
                     updateUi();
                 }
             };
-    View.OnClickListener onCreateEvent =
-            new View.OnClickListener() {
-                @Override
-                public void onClick(View view) {
-                    Log.v(TAG, "onCreateEvent");
-                    mWac.createEvent(10,new Date(),"eventDescription....");
-                }
-            };
-
-    View.OnClickListener onCreateDatapoint =
-            new View.OnClickListener() {
-                @Override
-                public void onClick(View view) {
-                    Log.v(TAG, "onCreateDatapoint - Pruning database");
-                    mLm.pruneLocalDb();
-                }
-            };
-
-    View.OnClickListener onCreateDatapointOld =
-            new View.OnClickListener() {
-                @Override
-                public void onClick(View view) {
-                    Log.v(TAG, "onCreateDatapoint");
-                    String jsonStr = "";
-                    JSONObject dataObj;
-                    try {
-                        DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'hh:mm:ss");
-                        jsonStr = "{HR:70}";
-                        dataObj = new JSONObject(jsonStr);
-                        dataObj.put("dataTime", dateFormat.format(new Date()));
-                        Log.v(TAG, "Creating Datapoint...SdData="+dataObj.toString());
-                        mWac.createDatapoint(dataObj,10);
-                    } catch (JSONException e) {
-                        Log.v(TAG,"Error Creating JSON Object from string "+jsonStr);
-                        dataObj = null;
-                        jsonStr = null;
-                    }
-                    //m_status=false;
-                    // mWac.logout();
-                    //updateUi();
-                }
-            };
-
-    View.OnClickListener onGetLocalEvents =
-            new View.OnClickListener() {
-                @Override
-                public void onClick(View view) {
-                    Log.v(TAG, "onGetLocalEvents");
-                    mLm.uploadSdData();
-                }
-            };
-
 }
\ No newline at end of file
diff --git a/app/src/main/java/uk/org/openseizuredetector/LogManagerControlActivity.java b/app/src/main/java/uk/org/openseizuredetector/LogManagerControlActivity.java
index 8d3e38e..d7cb546 100644
--- a/app/src/main/java/uk/org/openseizuredetector/LogManagerControlActivity.java
+++ b/app/src/main/java/uk/org/openseizuredetector/LogManagerControlActivity.java
@@ -32,6 +32,9 @@ public class LogManagerControlActivity extends AppCompatActivity {
         Button pruneBtn =
                 (Button) findViewById(R.id.pruneDatabaseBtn);
         pruneBtn.setOnClickListener(onPruneBtn);
+        Button remoteDbBtn =
+                (Button) findViewById(R.id.view_remote_db_button);
+        remoteDbBtn.setOnClickListener(onRemoteDbBtn);
 
 
         mLm = new LogManager(this);
@@ -96,6 +99,16 @@ public class LogManagerControlActivity extends AppCompatActivity {
                     mLm.pruneLocalDb();
                 }
             };
+    View.OnClickListener onRemoteDbBtn =
+            new View.OnClickListener() {
+                @Override
+                public void onClick(View view) {
+                    Log.v(TAG, "onRemoteDbBtn");
+                    Intent i;
+                    i =new Intent(mContext, RemoteDbActivity.class);
+                    startActivity(i);
+                }
+            };
 
 
     /*
diff --git a/app/src/main/java/uk/org/openseizuredetector/RemoteDbActivity.java b/app/src/main/java/uk/org/openseizuredetector/RemoteDbActivity.java
new file mode 100644
index 0000000..cc5af03
--- /dev/null
+++ b/app/src/main/java/uk/org/openseizuredetector/RemoteDbActivity.java
@@ -0,0 +1,173 @@
+package uk.org.openseizuredetector;
+
+//import androidx.appcompat.app.AppCompatActivity;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.CountDownTimer;
+import android.support.v7.app.AppCompatActivity;
+import android.util.Log;
+import android.view.View;
+import android.webkit.WebSettings;
+import android.webkit.WebView;
+import android.widget.Button;
+import android.widget.TextView;
+
+import java.util.HashMap;
+
+public class RemoteDbActivity extends AppCompatActivity {
+    private String TAG = "RemoteDbActivity";
+    private Context mContext;
+    private UiTimer mUiTimer;
+    private LogManager mLm;
+    private WebView mWebView;
+
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        Log.v(TAG, "onCreate()");
+        super.onCreate(savedInstanceState);
+        mContext = this;
+        setContentView(R.layout.activity_remote_db);
+        mLm= new LogManager(mContext);
+
+        Button authBtn =
+                (Button) findViewById(R.id.auth_button);
+        authBtn.setOnClickListener(onAuth);
+        //Button pruneBtn =
+        //        (Button) findViewById(R.id.pruneDatabaseBtn);
+        //pruneBtn.setOnClickListener(onPruneBtn);
+
+        mWebView = (WebView) findViewById(R.id.remote_db_webview);
+        WebSettings webSettings = mWebView.getSettings();
+        webSettings.setJavaScriptEnabled(true);
+
+        updateUi();
+    }
+
+    @Override
+    protected void onStart() {
+        super.onStart();
+        //startUiTimer();
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        stopUiTimer();
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        startUiTimer();
+        mWebView.loadUrl("https://osdapi.ddns.net/api/events/", getAuthHeaders());
+    }
+
+    private HashMap<String, String> getAuthHeaders() {
+        HashMap<String, String> headersMap = new HashMap<>();
+        String authToken = mLm.mWac.getStoredToken();
+        headersMap.put("Authorization", "Token "+authToken);
+        return (headersMap);
+    }
+
+
+    private void updateUi() {
+        Log.v(TAG,"updateUi()");
+        TextView tv;
+        Button btn;
+        // Local Database Information
+        //tv = (TextView)findViewById(R.id.num_local_events_tv);
+        //int eventCount = 0;
+        //tv.setText(String.format("%d",eventCount));
+        //tv = (TextView)findViewById(R.id.num_local_datapoints_tv);
+        //int datapointsCount = 0;
+        //tv.setText(String.format("%d",datapointsCount));
+
+
+
+        // Remote Database Information
+        tv = (TextView)findViewById(R.id.authStatusTv);
+        btn = (Button)findViewById(R.id.auth_button);
+        if (mLm.mWac.isLoggedIn()) {
+            tv.setText("Authenticated");
+            btn.setText("Log Out");
+        } else {
+            tv.setText("NOT AUTHENTICATED");
+            btn.setText("Log In");
+        }
+    }
+
+    View.OnClickListener onAuth =
+            new View.OnClickListener() {
+                @Override
+                public void onClick(View view) {
+                    Log.v(TAG, "onAuth");
+                    Intent i;
+                    i =new Intent(mContext, AuthenticateActivity.class);
+                    startActivity(i);
+                }
+            };
+    View.OnClickListener onPruneBtn =
+            new View.OnClickListener() {
+                @Override
+                public void onClick(View view) {
+                    Log.v(TAG, "onPruneBtn");
+                    mLm.pruneLocalDb();
+                }
+            };
+
+
+    /*
+     * Start the timer that will upload data to the remote server after a given period.
+     */
+    private void startUiTimer() {
+        if (mUiTimer != null) {
+            Log.v(TAG, "startRemoteLogTimer -timer already running - cancelling it");
+            mUiTimer.cancel();
+            mUiTimer = null;
+        }
+        Log.v(TAG, "startRemoteLogTimer() - starting RemoteLogTimer");
+        mUiTimer =
+                new UiTimer(1000, 1000);
+        mUiTimer.start();
+    }
+
+
+    /*
+     * Cancel the remote logging timer to prevent attempts to upload to remote database.
+     */
+    public void stopUiTimer() {
+        if (mUiTimer != null) {
+            Log.v(TAG, "stopRemoteLogTimer(): cancelling Remote Log timer");
+            mUiTimer.cancel();
+            mUiTimer = null;
+        }
+    }
+
+    /**
+     * Upload recorded data to the remote database periodically.
+     */
+    private class UiTimer extends CountDownTimer {
+        public UiTimer(long startTime, long interval) {
+            super(startTime, interval);
+        }
+
+        @Override
+        public void onTick(long l) {
+            // Do Nothing
+        }
+
+        @Override
+        public void onFinish() {
+            Log.v(TAG, "UiTimer - onFinish - Updating UI");
+            updateUi();
+            // Restart this timer.
+            start();
+        }
+
+    }
+
+
+}
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_authenticate.xml b/app/src/main/res/layout/activity_authenticate.xml
index d508fd7..2540c24 100644
--- a/app/src/main/res/layout/activity_authenticate.xml
+++ b/app/src/main/res/layout/activity_authenticate.xml
@@ -93,6 +93,7 @@
                 android:layout_weight="1"
                 android:text="@string/logout" />
         </LinearLayout>
+        <!--
         <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
             android:layout_width="fill_parent"
             android:layout_height="wrap_content"
@@ -125,7 +126,7 @@
                 android:text="getLocalEvents" />
 
         </LinearLayout>
-
+-->
     </LinearLayout>
 
 </LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_log_manager_control.xml b/app/src/main/res/layout/activity_log_manager_control.xml
index 68d0e88..0068922 100644
--- a/app/src/main/res/layout/activity_log_manager_control.xml
+++ b/app/src/main/res/layout/activity_log_manager_control.xml
@@ -77,6 +77,11 @@
         android:layout_height="wrap_content"
         android:text="@string/authenticate" />
     </LinearLayout>
+    <Button
+        android:id="@+id/view_remote_db_button"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/view_remote_db_btn" />
 
     <!--
         <ListView
diff --git a/app/src/main/res/layout/activity_remote_db.xml b/app/src/main/res/layout/activity_remote_db.xml
new file mode 100644
index 0000000..9d88392
--- /dev/null
+++ b/app/src/main/res/layout/activity_remote_db.xml
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingBottom="@dimen/activity_vertical_margin"
+    android:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    tools:context="uk.org.openseizuredetector.LogManager">
+
+
+    <TextView
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content"
+        android:textAppearance="?android:attr/textAppearanceLarge"
+        android:text="@string/remote_database"
+        />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal">
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/not_authenticated"
+        android:id="@+id/authStatusTv"
+        />
+    <Button
+        android:id="@+id/auth_button"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/authenticate" />
+    </LinearLayout>
+
+    <WebView
+        android:id="@+id/remote_db_webview"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        />
+
+</LinearLayout>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 14d64dc..49a3a14 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -298,4 +298,5 @@
     <string name="remote_database">Remote Database</string>
     <string name="num_local_events">Number of Stored Events: </string>
     <string name="num_local_datapoints">"Number of Stored Datapoints: "</string>
+    <string name="view_remote_db_btn">View Remote DB Data</string>
 </resources>