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v0.3 - Search by Author and Search by Book options added.
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Signed-off-by: Nachiketa Vadera <[email protected]>
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Nachiketa Vadera committed Jul 10, 2018
1 parent c9f9772 commit 04385ea
Showing 1 changed file with 125 additions and 83 deletions.
208 changes: 125 additions & 83 deletions app/src/main/java/android/nachiketa/ebookdownloader/DownloadActivity.java
View file
Original file line number Diff line number Diff line change
@@ -1,13 +1,13 @@
package android.nachiketa.ebookdownloader;

import android.app.DownloadManager;
import android.content.res.AssetManager;
import android.graphics.Color;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.Gravity;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
Expand All @@ -19,15 +19,11 @@
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;
import java.util.Random;

public class DownloadActivity extends AppCompatActivity implements AdapterView.OnItemClickListener {

Expand All @@ -36,34 +32,21 @@ public class DownloadActivity extends AppCompatActivity implements AdapterView.O
List<String> links = null;
ArrayAdapter<String> arrayAdapter;
public static final String NOT_FOUND_MESSAGE = "Sorry! We were unable to find the book";
private static final String TAG = "nachiketa@ebooks";

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_download);

String quote = "Kindly wait";
Random random = new Random();
int randomNumber = random.nextInt(19);
AssetManager assetManager = getAssets();
String quote = null;
try {
InputStream inputStream = assetManager.open("quotes.txt");
BufferedReader r = new BufferedReader(new InputStreamReader(inputStream));
StringBuilder total = new StringBuilder();
String line;
while ((line = r.readLine()) != null) {
total.append(line).append('\n');
}
String data = total.toString();
String[] temp = data.split("~");
quote = temp[randomNumber];

quote = new Global().getRandomQuote();
} catch (IOException e) {
e.printStackTrace();
}


listView = (ListView) findViewById(R.id.expanded_list);
listView = findViewById(R.id.expanded_list);
links = new ArrayList<>();
linkText = new ArrayList<>();

Expand All @@ -74,84 +57,136 @@ protected void onCreate(Bundle savedInstanceState) {
listView.setAdapter(arrayAdapter);
listView.setOnItemClickListener(this);

performSearch(getIntent().getStringExtra("bookName"), getIntent().getStringExtra("author"));
performSearch(getIntent().getStringExtra("searchQuery"), getIntent().getStringExtra("searchBy"));
}

private void performSearch(final String bookName, final String author) {
String baseURL = "https://www.google.com/search?q=";
String postFix = " epub vk";
String space = " ";
final String searchURL = baseURL + bookName + space + author + postFix;
Log.i("qwerty", searchURL);

new Thread(new Runnable() {

StringBuilder linkBuilder = new StringBuilder();
StringBuilder linkTextBuilder = new StringBuilder();

@Override
public void run() {
try {
Document document = Jsoup.connect(searchURL).get();
Elements links = document.select("a[href]");

for (Element link : links) {
Log.i("(linkText)", link.text());
Log.i("(linkURL)", link.attr("href"));

String key = link.attr("href");
if (key.startsWith("https://vk.com/wall")) {
Document wallDoc = Jsoup.connect(link.attr("href")).get();
Elements wallLinks = wallDoc.select("a[href]");

for (Element wallLink : wallLinks) {
Log.i("(wallt)", link.text());
Log.i("(wallu)", link.attr("href"));
if (wallLink.text().toLowerCase().contains(".epub") || wallLink.text().toLowerCase().contains(".pdf") || wallLink.text().toLowerCase().contains(".mobi") || wallLink.text().toLowerCase().contains(".azw3") && wallLink.text().toLowerCase().contains(bookName)) {
linkBuilder.append("https://vk.com").append(wallLink.attr("href")).append("\n");
linkTextBuilder.append(wallLink.text()).append("\n");
private void performSearch(final String query, final String mode) {
final String searchQuery;
if (mode.equals("book")) {
searchQuery = "https://www.google.com/search?q=" + query + "epub+vk";
new Thread(new Runnable() {

StringBuilder linkBuilder = new StringBuilder();
StringBuilder linkTextBuilder = new StringBuilder();

@Override
public void run() {
try {
Document document = Jsoup.connect(searchQuery).get();
Elements links = document.select("a[href]");

for (Element link : links) {
Log.i(TAG, "run: linkText: " + link.text());
Log.i(TAG, "run: linkURL: " + link.attr("href"));

String key = link.attr("href");
if (key.startsWith("https://vk.com/wall")) {
Document wallDoc = Jsoup.connect(link.attr("href")).get();
Elements wallLinks = wallDoc.select("a[href]");

for (Element wallLink : wallLinks) {
Log.i(TAG, "run: pageText: " + wallLink.text());
Log.i(TAG, "run: pageLinks: " + wallLink.attr("href"));
if (wallLink.text().toLowerCase().contains(".epub") || wallLink.text().toLowerCase().contains(".pdf") || wallLink.text().toLowerCase().contains(".mobi") || wallLink.text().toLowerCase().contains(".azw3") && wallLink.text().toLowerCase().contains(searchQuery)) {
linkBuilder.append("https://vk.com").append(wallLink.attr("href")).append("\n");
linkTextBuilder.append(wallLink.text()).append("\n");
}
}
}
}

} catch (IOException e) {
Log.e("qwerty", e.getMessage());
}

} catch (IOException e) {
Log.e("qwerty", e.getMessage());
runOnUiThread(new Runnable() {
@Override
public void run() {
linkText.clear();
links.clear();

String temp;
temp = linkBuilder.toString();
Log.i(TAG, "run: temp (links) = " + temp);
String[] downloadURLs = temp.split("\n");
links.addAll(Arrays.asList(downloadURLs));

temp = linkTextBuilder.toString();
Log.i(TAG, "run: temp (text) = " + temp);
String[] displayTexts = temp.split("\n");
linkText.addAll(Arrays.asList(displayTexts));

if (linkText.get(0).toLowerCase().contains("searching...")) {
linkText.remove(0);
}

arrayAdapter.notifyDataSetChanged();
if (linkText.get(0).equals("")) {
linkText.add(NOT_FOUND_MESSAGE);
linkText.remove(0);
}

}
});
}
}).start();
} else {
searchQuery = "https://www.google.co.in/search?q=books+by+" + query;
new Thread(new Runnable() {
@Override
public void run() {

final StringBuilder bookListBuilder = new StringBuilder();

Document document = null;
try {
document = Jsoup.connect(searchQuery).get();
Elements elements = Objects.requireNonNull(document).select("a[class]");

for (Element element : elements) {
if (element.attr("class").toLowerCase().equals("klitem")) {
bookListBuilder.append(element.attr("title")).append("\n");
}
Log.i(TAG, "run: Book Titles : \n" + bookListBuilder.toString());
}
} catch (IOException e) {
e.printStackTrace();
}


runOnUiThread(new Runnable() {
@Override
public void run() {
String temp;
temp = linkBuilder.toString();
Log.i("listlnk", temp);
String[] downloadURLs = temp.split("\n");
links.addAll(Arrays.asList(downloadURLs));

temp = linkTextBuilder.toString();
Log.i("listtxt", temp);
String[] displayTexts = temp.split("\n");
linkText.addAll(Arrays.asList(displayTexts));
linkText.remove(0);

arrayAdapter.notifyDataSetChanged();
if (linkText.get(0).equals("")) {
linkText.add(NOT_FOUND_MESSAGE);
runOnUiThread(new Runnable() {
@Override
public void run() {
final String[] temp = bookListBuilder.toString().split("\n");
linkText.addAll(Arrays.asList(temp));
linkText.remove(0);
arrayAdapter.notifyDataSetChanged();

listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Log.i(TAG, "onItemClick: ITEM TO SEARCH : \n" + linkText.get(position));
performSearch(linkText.get(position), "book");
Toast toast = Toast.makeText(DownloadActivity.this, "Searching...", Toast.LENGTH_LONG);
toast.setGravity(Gravity.CENTER, 0, 0);
toast.show();
}
});
}

}
});
}
}).start();
});
}
}).start();
}
Log.i(TAG, "performSearch: searchQuery=" + searchQuery);
}

@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
String downloadURL = links.get(position);
String file = linkText.get(position);

view.setBackgroundColor(Color.GREEN);
Log.i(TAG, "onItemClick: downloadURL : \n" + downloadURL);
Log.i(TAG, "onItemClick: file : \n" + file);

if (file.equals(NOT_FOUND_MESSAGE)) {
Toast.makeText(this, "Try searching for another book!", Toast.LENGTH_SHORT).show();
Expand All @@ -164,8 +199,15 @@ public void onItemClick(AdapterView<?> parent, View view, int position, long id)
request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS,file);
DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
Objects.requireNonNull(downloadManager).enqueue(request);

view.setBackgroundColor(Color.GREEN);
Toast.makeText(DownloadActivity.this, "Downloading...", Toast.LENGTH_SHORT).show();
}
}
}

// TODO : Add libgen as a new source
// TODO : Search only by book or author name
// TODO : Post on reddit
// TODO : Add tags
// TODO : Optimize code
// TODO : Improve Log tags

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