Add export to csv in history scan

Add button to remove all history scan
Fixe #120

app/build.gradle

@@ -9,8 +9,8 @@ android {
         applicationId "openfoodfacts.github.scrachx.openfood"
         minSdkVersion 16
         targetSdkVersion 24
-        versionCode 24
-        versionName "0.2.6"
+        versionCode 25
+        versionName "0.2.7"
     }
 
     dexOptions {
@@ -69,6 +69,8 @@ dependencies {
 
     compile 'com.loopj.android:android-async-http:1.4.9'
 
+    compile 'com.opencsv:opencsv:3.8'
+
     compile 'com.fasterxml.jackson.core:jackson-core:2.8.3'
     compile 'com.fasterxml.jackson.core:jackson-databind:2.8.3'
     compile 'com.fasterxml.jackson.core:jackson-annotations:2.8.3'

app/src/main/java/openfoodfacts/github/scrachx/openfood/views/HistoryScanActivity.java

@@ -1,15 +1,21 @@
 package openfoodfacts.github.scrachx.openfood.views;
 
 
+import android.Manifest;
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
+import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Bundle;
+import android.provider.Settings;
+import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
+import android.support.v4.app.ActivityCompat;
 import android.support.v4.app.NavUtils;
-import android.support.v4.view.MenuItemCompat;
+import android.support.v4.content.ContextCompat;
 import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
 import android.support.v7.widget.ShareActionProvider;
@@ -19,19 +25,27 @@
 import android.view.MenuItem;
 import android.widget.Toast;
 
+import com.afollestad.materialdialogs.DialogAction;
+import com.afollestad.materialdialogs.MaterialDialog;
+import com.opencsv.CSVWriter;
 import com.orm.query.Select;
 
+import java.io.File;
+import java.io.FileWriter;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.HttpURLConnection;
 import java.net.URL;
+import java.text.SimpleDateFormat;
 import java.util.ArrayList;
+import java.util.Date;
 import java.util.List;
 
 import butterknife.BindView;
 import openfoodfacts.github.scrachx.openfood.R;
 import openfoodfacts.github.scrachx.openfood.models.HistoryItem;
 import openfoodfacts.github.scrachx.openfood.models.HistoryProduct;
+import openfoodfacts.github.scrachx.openfood.utils.Utils;
 import openfoodfacts.github.scrachx.openfood.views.adapters.HistoryListAdapter;
 
 public class HistoryScanActivity extends BaseActivity {
@@ -64,29 +78,76 @@ public boolean onOptionsItemSelected(MenuItem item) {
             case android.R.id.home:
                 NavUtils.navigateUpFromSameTask(this);
                 return true;
-            case R.id.action_edit_product:
-                // TODO : export option
+            case R.id.action_remove_all_history:
+                new MaterialDialog.Builder(this)
+                        .title(R.string.title_clear_history_dialog)
+                        .content(R.string.text_clear_history_dialog)
+                        .onPositive(new MaterialDialog.SingleButtonCallback() {
+                            @Override
+                            public void onClick(@NonNull MaterialDialog dialog, @NonNull DialogAction which) {
+                                HistoryProduct.deleteAll(HistoryProduct.class);
+                                productItems.clear();
+                                recyclerHistoryScanView.getAdapter().notifyDataSetChanged();
+                            }
+                        })
+                        .positiveText(R.string.txtYes)
+                        .negativeText(R.string.txtNo)
+                        .show();
+                return true;
+            case R.id.action_export_all_history:
+                if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
+                    if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
+                        new MaterialDialog.Builder(this)
+                                .title(R.string.action_about)
+                                .content(R.string.permision_write_external_storage)
+                                .neutralText(R.string.txtOk)
+                                .show();
+                    } else {
+                        ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, Utils.MY_PERMISSIONS_REQUEST_STORAGE);
+                    }
+                } else {
+                    exportCSV();
+                }
+                return true;
             default:
                 return super.onOptionsItemSelected(item);
         }
     }
 
+    public void exportCSV() {
+        Toast.makeText(this, R.string.txt_exporting_history, Toast.LENGTH_LONG).show();
+        String baseDir = android.os.Environment.getExternalStorageDirectory().getAbsolutePath();
+        Log.d("dir", baseDir);
+        String fileName = "exportHistoryOFF"+new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss").format(new Date())+".csv";
+        String filePath = baseDir + File.separator + fileName;
+        File f = new File(filePath );
+        CSVWriter writer;
+        FileWriter fileWriter;
+        try {
+            if(f.exists() && !f.isDirectory()) {
+                fileWriter = new FileWriter(filePath , true);
+                writer = new CSVWriter(fileWriter);
+            } else {
+                writer = new CSVWriter(new FileWriter(filePath));
+            }
+            String[] headers = {"Barcode", "Name", "Brands"};
+            writer.writeNext(headers);
+            List<HistoryProduct> listHistoryProducts = HistoryProduct.listAll(HistoryProduct.class);
+            for (HistoryProduct hp : listHistoryProducts) {
+                String[] line = {hp.getBarcode(), hp.getTitle(), hp.getBrands()};
+                writer.writeNext(line);
+            }
+            writer.close();
+            Toast.makeText(this, R.string.txt_history_exported, Toast.LENGTH_LONG).show();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
 
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
-        /*getMenuInflater().inflate(R.menu.menu_product, menu);
-        MenuItem item = menu.findItem(R.id.menu_item_share);
-        mShareActionProvider = (ShareActionProvider) MenuItemCompat.getActionProvider(item);
-
-        Intent shareIntent = new Intent(Intent.ACTION_SEND);
-        String url = " " + Utils.getUriProductByCurrentLanguage() + mState.getProduct().getCode();
-        if (mState.getProduct().getUrl() != null) {
-            url = " " + mState.getProduct().getUrl();
-        }
-        shareIntent.putExtra(Intent.EXTRA_TEXT, getResources().getString(R.string.msg_share) + url);
-        shareIntent.setType("text/plain");
-        setShareIntent(shareIntent);*/
-
+        getMenuInflater().inflate(R.menu.menu_history, menu);
         return true;
     }
 
@@ -141,4 +202,34 @@ protected void onPostExecute(Context ctx) {
         }
     }
 
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[], @NonNull int[] grantResults) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
+        switch (requestCode) {
+            case Utils.MY_PERMISSIONS_REQUEST_STORAGE: {
+                if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
+                    exportCSV();
+                } else {
+                    new MaterialDialog.Builder(this)
+                            .title(R.string.permission_title)
+                            .content(R.string.permission_denied)
+                            .negativeText(R.string.txtNo)
+                            .positiveText(R.string.txtYes)
+                            .onPositive(new MaterialDialog.SingleButtonCallback() {
+                                @Override
+                                public void onClick(@NonNull MaterialDialog dialog, @NonNull DialogAction which) {
+                                    Intent intent = new Intent();
+                                    intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
+                                    Uri uri = Uri.fromParts("package", getPackageName(), null);
+                                    intent.setData(uri);
+                                    startActivity(intent);
+                                }
+                            })
+                            .show();
+                }
+                break;
+            }
+        }
+    }
+
 }

app/src/main/java/openfoodfacts/github/scrachx/openfood/views/holders/HistoryScanHolder.java

@@ -7,7 +7,6 @@
 import android.net.NetworkInfo;
 import android.support.v7.widget.CardView;
 import android.support.v7.widget.RecyclerView;
-import android.util.Log;
 import android.view.View;
 import android.widget.ImageButton;
 import android.widget.ImageView;
@@ -39,7 +38,6 @@ public HistoryScanHolder(final View itemView) {
             @Override
             public void onClick(View view) {
                 String url = " " + Utils.getUriProductByCurrentLanguage() + txtBarcode.getText();
-
                 Intent sharingIntent = new Intent(android.content.Intent.ACTION_SEND);
                 sharingIntent.setType("text/plain");
                 String shareBody = itemView.getResources().getString(R.string.msg_share) + url;

app/src/main/res/menu/menu_history.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <item android:id="@+id/action_remove_all_history"
+        app:showAsAction="ifRoom"
+        android:title="@string/clear_history"
+        android:icon="@drawable/ic_delete_forever_white_48dp" />
+
+    <item android:id="@+id/action_export_all_history"
+        app:showAsAction="ifRoom"
+        android:title="@string/export_csv_history"
+        android:icon="@drawable/ic_file_download_white_48dp" />
+
+</menu>

app/src/main/res/menu/menu_product.xml

@@ -1,8 +1,7 @@
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
-    <item
-        android:id="@+id/menu_item_share"
+    <item android:id="@+id/menu_item_share"
         app:showAsAction="ifRoom"
         android:title="@string/share"
         app:actionProviderClass="android.support.v7.widget.ShareActionProvider" />

app/src/main/res/values/strings.xml

@@ -188,5 +188,12 @@
     <!-- Open beauty app -->
     <string name="openBeautyApp" translatable="false">org.openbeautyfacts.scanner</string>
     <string name="scan_history_drawer">History</string>
+    <string name="clear_history">Clear history</string>
+    <string name="title_clear_history_dialog">Clear</string>
+    <string name="text_clear_history_dialog">Do you want to clear all scan history?</string>
+    <string name="export_csv_history">Export CSV</string>
+    <string name="txt_exporting_history">Exporting history...</string>
+    <string name="txt_history_exported">History exported</string>
+    <string name="permision_write_external_storage">Write external storage permission is needed to export history.</string>
 
 </resources>