[5h 30m]. Charts

app/build.gradle

@@ -48,8 +48,14 @@ dependencies {
     compile 'com.android.support:support-v4:23.2.1'
     compile 'com.android.support:appcompat-v7:23.2.1'
     compile 'com.android.support:design:23.2.1'
+    // View annotation bindings
     compile 'com.jakewharton:butterknife:7.0.1'
+    // Dependency injection tool
     compile 'com.google.dagger:dagger:2.0.1'
+    // Charts
+    compile 'com.github.PhilJay:MPAndroidChart:v2.2.4'
+    // Advanced logging tool
+    compile 'com.jakewharton.timber:timber:4.1.2'
 
     apt 'com.google.dagger:dagger-compiler:2.0.1'
     provided 'org.glassfish:javax.annotation:10.0-b28'

app/src/main/AndroidManifest.xml

@@ -68,6 +68,11 @@
             android:label="@string/title_settings"
             android:screenOrientation="portrait"
             android:theme="@style/Theme.Default" />
+        <activity
+            android:name=".activity.ChartsActivity"
+            android:label="@string/title_charts"
+            android:screenOrientation="portrait"
+            android:theme="@style/Theme.Default" />
 
         <provider
             android:name="android.support.v4.content.FileProvider"

app/src/main/java/com/blogspot/e_kanivets/moneytracker/MtApp.java

@@ -7,6 +7,8 @@
 import com.blogspot.e_kanivets.moneytracker.di.module.ControllerModule;
 import com.blogspot.e_kanivets.moneytracker.di.module.repo.CachedRepoModule;
 
+import timber.log.Timber;
+
 /**
  * Custom application implementation.
  * Created on 29/08/14.
@@ -29,6 +31,9 @@ public void onCreate() {
 
         mtApp = this;
         component = buildComponent();
+
+        if (BuildConfig.DEBUG) Timber.plant(new Timber.DebugTree());
+        else Timber.plant(new ReleaseTree());
     }
 
     public AppComponent getAppComponent() {
@@ -41,4 +46,12 @@ private AppComponent buildComponent() {
                 .controllerModule(new ControllerModule(get()))
                 .build();
     }
+
+    private static class ReleaseTree extends Timber.Tree {
+
+        @Override
+        protected void log(int priority, String tag, String message, Throwable t) {
+            // Do nothing fot now
+        }
+    }
 }

app/src/main/java/com/blogspot/e_kanivets/moneytracker/activity/ChartsActivity.java

@@ -0,0 +1,85 @@
+package com.blogspot.e_kanivets.moneytracker.activity;
+
+import com.blogspot.e_kanivets.moneytracker.R;
+import com.blogspot.e_kanivets.moneytracker.activity.base.BaseBackActivity;
+import com.blogspot.e_kanivets.moneytracker.controller.CurrencyController;
+import com.blogspot.e_kanivets.moneytracker.controller.data.ExchangeRateController;
+import com.blogspot.e_kanivets.moneytracker.controller.data.RecordController;
+import com.blogspot.e_kanivets.moneytracker.entity.data.Record;
+import com.blogspot.e_kanivets.moneytracker.report.ReportMaker;
+import com.blogspot.e_kanivets.moneytracker.report.chart.BarChartConverter;
+import com.blogspot.e_kanivets.moneytracker.report.chart.IMonthReport;
+import com.github.mikephil.charting.charts.BarChart;
+import com.github.mikephil.charting.data.BarData;
+
+import java.util.List;
+
+import javax.inject.Inject;
+
+import butterknife.Bind;
+
+public class ChartsActivity extends BaseBackActivity {
+
+    @Inject
+    RecordController recordController;
+    @Inject
+    ExchangeRateController exchangeRateController;
+    @Inject
+    CurrencyController currencyController;
+
+    @Bind(R.id.bar_chart)
+    BarChart barChart;
+
+    @Override
+    protected int getContentViewId() {
+        return R.layout.activity_charts;
+    }
+
+    @Override
+    protected boolean initData() {
+        boolean result = super.initData();
+        getAppComponent().inject(ChartsActivity.this);
+        return result;
+    }
+
+    @Override
+    protected void initViews() {
+        super.initViews();
+
+        ReportMaker reportMaker = new ReportMaker(exchangeRateController);
+        String currency = currencyController.readDefaultCurrency();
+        List<Record> recordList = recordController.readAll();
+        List<String> currencyNeeded = reportMaker.currencyNeeded(currency, recordList);
+
+        IMonthReport monthReport = null;
+        if (currencyNeeded.isEmpty()) monthReport = reportMaker.getMonthReport(currency, recordList);
+        else barChart.setNoDataText(createRatesNeededList(currency, currencyNeeded));
+
+        if (monthReport != null) {
+            BarChartConverter barChartConverter = new BarChartConverter(ChartsActivity.this,
+                    monthReport);
+
+            BarData barData = new BarData(barChartConverter.getXAxisValueList(),
+                    barChartConverter.getBarDataSetList());
+            barData.setDrawValues(false);
+
+            barChart.setData(barData);
+            barChart.setDescription(null);
+            barChart.setVisibleXRangeMinimum(8);
+            barChart.setScaleYEnabled(false);
+            barChart.setVisibleXRangeMaximum(34);
+            barChart.setHighlightPerDragEnabled(false);
+            barChart.setHighlightPerTapEnabled(false);
+        }
+    }
+
+    protected String createRatesNeededList(String currency, List<String> ratesNeeded) {
+        StringBuilder sb = new StringBuilder(getString(R.string.error_exchange_rates));
+
+        for (String str : ratesNeeded) {
+            sb.append("\n").append(str).append(getString(R.string.arrow)).append(currency);
+        }
+
+        return sb.toString();
+    }
+}

app/src/main/java/com/blogspot/e_kanivets/moneytracker/activity/ExportActivity.java

@@ -4,7 +4,6 @@
 import android.net.Uri;
 import android.support.annotation.NonNull;
 import android.support.v4.content.FileProvider;
-import android.util.Log;
 
 import com.blogspot.e_kanivets.moneytracker.R;
 import com.blogspot.e_kanivets.moneytracker.activity.base.BaseBackActivity;
@@ -18,6 +17,7 @@
 import javax.inject.Inject;
 
 import butterknife.OnClick;
+import timber.log.Timber;
 
 public class ExportActivity extends BaseBackActivity {
     @SuppressWarnings("unused")
@@ -46,7 +46,7 @@ public void exportRecords() {
 
         File exportDir = new File(getCacheDir(), "export");
         boolean exportDirCreated = exportDir.mkdirs();
-        Log.d(TAG, "exportDirCreated: " + exportDirCreated);
+        Timber.d("ExportDirCreated: %b", exportDirCreated);
 
         File outFile;
         if (exportDir.exists()) outFile = new File(exportDir, DEFAULT_EXPORT_FILE_NAME);

app/src/main/java/com/blogspot/e_kanivets/moneytracker/activity/ReportActivity.java

@@ -13,9 +13,9 @@
 import com.blogspot.e_kanivets.moneytracker.controller.data.ExchangeRateController;
 import com.blogspot.e_kanivets.moneytracker.entity.Period;
 import com.blogspot.e_kanivets.moneytracker.entity.data.Record;
-import com.blogspot.e_kanivets.moneytracker.report.ReportConverter;
+import com.blogspot.e_kanivets.moneytracker.report.record.RecordReportConverter;
 import com.blogspot.e_kanivets.moneytracker.report.ReportMaker;
-import com.blogspot.e_kanivets.moneytracker.report.base.IReport;
+import com.blogspot.e_kanivets.moneytracker.report.record.IRecordReport;
 import com.blogspot.e_kanivets.moneytracker.ui.presenter.ShortSummaryPresenter;
 
 import java.util.List;
@@ -77,13 +77,13 @@ protected void initViews() {
 
     private void update(String currency) {
         ReportMaker reportMaker = new ReportMaker(rateController);
-        IReport report = reportMaker.getReport(currency, period, recordList);
+        IRecordReport report = reportMaker.getRecordReport(currency, period, recordList);
 
         ExpandableListReportAdapter adapter = null;
 
         if (report != null) {
-            ReportConverter reportConverter = new ReportConverter(report);
-            adapter = new ExpandableListReportAdapter(ReportActivity.this, reportConverter);
+            RecordReportConverter recordReportConverter = new RecordReportConverter(report);
+            adapter = new ExpandableListReportAdapter(ReportActivity.this, recordReportConverter);
         }
 
         expandableListView.setAdapter(adapter);

app/src/main/java/com/blogspot/e_kanivets/moneytracker/activity/base/BaseDrawerActivity.java

@@ -9,6 +9,7 @@
 import android.view.MenuItem;
 
 import com.blogspot.e_kanivets.moneytracker.R;
+import com.blogspot.e_kanivets.moneytracker.activity.ChartsActivity;
 import com.blogspot.e_kanivets.moneytracker.activity.ExportActivity;
 import com.blogspot.e_kanivets.moneytracker.activity.SettingsActivity;
 import com.blogspot.e_kanivets.moneytracker.activity.account.AccountsActivity;
@@ -77,6 +78,10 @@ public boolean onNavigationItemSelected(MenuItem item) {
                         REQUEST_RATES);
                 break;
 
+            case R.id.nav_charts:
+                startActivity(new Intent(BaseDrawerActivity.this, ChartsActivity.class));
+                break;
+
             case R.id.nav_export:
                 startActivity(new Intent(BaseDrawerActivity.this, ExportActivity.class));
                 break;

app/src/main/java/com/blogspot/e_kanivets/moneytracker/activity/record/MainActivity.java

@@ -24,7 +24,7 @@
 import com.blogspot.e_kanivets.moneytracker.entity.data.Record;
 import com.blogspot.e_kanivets.moneytracker.entity.Period;
 import com.blogspot.e_kanivets.moneytracker.report.ReportMaker;
-import com.blogspot.e_kanivets.moneytracker.report.base.IReport;
+import com.blogspot.e_kanivets.moneytracker.report.record.IRecordReport;
 import com.blogspot.e_kanivets.moneytracker.ui.AppRateDialog;
 import com.blogspot.e_kanivets.moneytracker.ui.PeriodSpinner;
 import com.blogspot.e_kanivets.moneytracker.ui.presenter.ShortSummaryPresenter;
@@ -194,7 +194,7 @@ protected void update() {
         String currency = currencyController.readDefaultCurrency();
 
         ReportMaker reportMaker = new ReportMaker(rateController);
-        IReport report = reportMaker.getReport(currency, period, recordList);
+        IRecordReport report = reportMaker.getRecordReport(currency, period, recordList);
         summaryPresenter.update(report, currency, reportMaker.currencyNeeded(currency, recordList));
 
         fillDefaultAccount();

app/src/main/java/com/blogspot/e_kanivets/moneytracker/adapter/ExpandableListReportAdapter.java

@@ -8,7 +8,7 @@
 import android.widget.TextView;
 
 import com.blogspot.e_kanivets.moneytracker.R;
-import com.blogspot.e_kanivets.moneytracker.report.ReportConverter;
+import com.blogspot.e_kanivets.moneytracker.report.record.RecordReportConverter;
 
 import java.util.List;
 import java.util.Locale;
@@ -32,7 +32,7 @@ public class ExpandableListReportAdapter extends SimpleExpandableListAdapter {
     private int red;
     private int green;
 
-    public ExpandableListReportAdapter(Context context, ReportConverter converter) {
+    public ExpandableListReportAdapter(Context context, RecordReportConverter converter) {
         this(context, converter.getGroupData(), converter.getGroupLayout(),
                 converter.getGroupFrom(), converter.getGroupTo(), converter.getChildData(),
                 converter.getChildLayout(), converter.getChildFrom(), converter.getChildTo());
@@ -75,15 +75,15 @@ private void customizeView(View view, Map<String, String> values, boolean groupV
         if (viewHolder == null) viewHolder = new ViewHolder(view);
 
         /* Customize view to fit to model and UI */
-        Double price = Double.parseDouble(values.get(ReportConverter.PRICE_PARAM_NAME));
+        Double price = Double.parseDouble(values.get(RecordReportConverter.PRICE_PARAM_NAME));
 
         if (groupView) view.setBackgroundColor(price < 0 ? whiteRed : whiteGreen);
         else view.setBackgroundColor(white);
 
         //Set color of total
         viewHolder.tvTotal.setTextColor(price >= 0 ? green : red);
 
-        viewHolder.tvCategory.setText(values.get(ReportConverter.TITLE_PARAM_NAME));
+        viewHolder.tvCategory.setText(values.get(RecordReportConverter.TITLE_PARAM_NAME));
         viewHolder.tvTotal.setText(format(price));
     }
 

app/src/main/java/com/blogspot/e_kanivets/moneytracker/di/AppComponent.java

@@ -1,5 +1,6 @@
 package com.blogspot.e_kanivets.moneytracker.di;
 
+import com.blogspot.e_kanivets.moneytracker.activity.ChartsActivity;
 import com.blogspot.e_kanivets.moneytracker.activity.ExportActivity;
 import com.blogspot.e_kanivets.moneytracker.activity.ReportActivity;
 import com.blogspot.e_kanivets.moneytracker.activity.SettingsActivity;
@@ -47,6 +48,8 @@ public interface AppComponent {
 
     void inject(ReportActivity reportActivity);
 
+    void inject(ChartsActivity chartsActivity);
+
     void inject(SettingsActivity.SettingsFragment settingsFragment);
 
     void inject(AccountsSummaryPresenter accountsSummaryPresenter);

app/src/main/java/com/blogspot/e_kanivets/moneytracker/repo/base/BaseRepo.java

@@ -5,13 +5,14 @@
 import android.database.sqlite.SQLiteDatabase;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
-import android.util.Log;
 
 import com.blogspot.e_kanivets.moneytracker.repo.DbHelper;
 import com.blogspot.e_kanivets.moneytracker.entity.base.IEntity;
 
 import java.util.List;
 
+import timber.log.Timber;
+
 /**
  * Base implementation of {@link IRepo}.
  * No need to call db.close() at all, because SQLiteOpenHelper manage it for us + cache instances.
@@ -21,8 +22,6 @@
  * @author Evgenii Kanivets
  */
 public abstract class BaseRepo<T extends IEntity> implements IRepo<T> {
-    private static final String TAG = "BaseRepo";
-
     protected DbHelper dbHelper;
 
     public BaseRepo(DbHelper dbHelper) {
@@ -46,11 +45,11 @@ public T create(@Nullable T instance) {
         long id = db.insert(getTable(), null, contentValues(instance));
 
         if (id == -1) {
-            Log.d(TAG, "Couldn't create record : " + instance);
+            Timber.d("Couldn't create record: %s", instance);
             return null;
         } else {
             T createdInstance = read(id);
-            Log.d(TAG, "Created record : " + createdInstance);
+            Timber.d("Created record: %s", createdInstance);
             return createdInstance;
         }
     }
@@ -75,11 +74,11 @@ public T update(@Nullable T instance) {
         long rowsAffected = db.update(getTable(), contentValues(instance), "id=?", args);
 
         if (rowsAffected == 0) {
-            Log.d(TAG, "Couldn't update record : " + instance);
+            Timber.d("Couldn't update record: %s", instance);
             return null;
         } else {
             T updatedInstance = read(instance.getId());
-            Log.d(TAG, "Updated record : " + updatedInstance);
+            Timber.d("Updated record: %s", updatedInstance);
             return updatedInstance;
         }
     }
@@ -99,7 +98,7 @@ public boolean delete(@Nullable T instance) {
         String[] args = new String[]{Long.toString(instance.getId())};
         long rowsAffected = db.delete(getTable(), "id=?", args);
 
-        Log.d(TAG, instance + (rowsAffected == 0 ? " didn't " : " ") + "deleted");
+        Timber.d("%s %s deleted", instance, (rowsAffected == 0 ? " didn't " : " "));
 
         return rowsAffected != 0;
     }