more experiments with SynchroniserService

src/org/geometerplus/android/fbreader/api/ApiServerImplementation.java

@@ -345,7 +345,7 @@ public class ApiServerImplementation extends ApiInterface.Stub implements Api, A
 	}
 
 	public String getBookHash() {
-		final UID uid = BookUtil.createSHA256Uid(getReader().Model.Book.File);
+		final UID uid = BookUtil.createUid(getReader().Model.Book.File, "SHA-256");
 		return uid != null ? uid.Id : null;
 	}
 

src/org/geometerplus/android/fbreader/synchroniser/SynchroniserService.java

@@ -19,33 +19,63 @@
 
 package org.geometerplus.android.fbreader.synchroniser;
 
+import java.io.*;
+import java.util.*;
+
 import android.app.Service;
 import android.content.Intent;
 import android.os.IBinder;
 
+import org.json.simple.JSONValue;
+
+import org.geometerplus.zlibrary.core.network.*;
+import org.geometerplus.fbreader.book.*;
 import org.geometerplus.android.fbreader.libraryService.BookCollectionShadow;
 
-public class SynchroniserService extends Service implements Runnable {
+public class SynchroniserService extends Service implements IBookCollection.Listener, Runnable {
 	private final BookCollectionShadow myCollection = new BookCollectionShadow();
 	private volatile Thread mySynchronizationThread;
 
+	private final List<Book> myQueue = Collections.synchronizedList(new LinkedList<Book>());
+	private final Set<Book> myProcessed = new HashSet<Book>();
+
 	@Override
 	public IBinder onBind(Intent intent) {
 		myCollection.bindToService(this, this);
 		return null;
 	}
 
+	private void addBook(Book book) {
+		if (!myProcessed.contains(book) && book.File.getPhysicalFile() != null) {
+			myQueue.add(book);
+		}
+	}
+
 	@Override
-	public void run() {
+	public synchronized void run() {
 		System.err.println("SYNCHRONIZER BINDED TO LIBRARY");
-		synchronized(this) {
+		myCollection.addListener(this);
 		if (mySynchronizationThread == null) {
 			mySynchronizationThread = new Thread() {
 				public void run() {
 					System.err.println("HELLO THREAD");
-						try {
-							mySynchronizationThread.sleep(5000);
-						} catch (InterruptedException e) {
+					for (BookQuery q = new BookQuery(new Filter.Empty(), 20);; q = q.next()) {
+						final List<Book> books = myCollection.books(q);
+						if (books.isEmpty()) {
+							break;
+						}
+						for (Book b : books) {
+							addBook(b);
+						}
+					}
+					while (!myQueue.isEmpty()) {
+						final Book book = myQueue.remove(0);
+						if (myProcessed.contains(book)) {
+							continue;
+						}
+						myProcessed.add(book);
+						System.err.println("Processing " + book.getTitle() + " [" + book.File.getPath() + "]");
+						uploadBookToServer(book);
 					}
 					System.err.println("BYE-BYE THREAD");
 					mySynchronizationThread = null;
@@ -55,12 +85,80 @@ public class SynchroniserService extends Service implements Runnable {
 			mySynchronizationThread.start();
 		}
 	}
+
+	private static String toJSON(Object object) {
+		final StringWriter writer = new StringWriter();
+		try {
+			JSONValue.writeJSONString(object, writer);
+		} catch (IOException e) {
+			throw new RuntimeException("JSON serialization failed", e);
+		}
+		return writer.toString();
+	}
+
+	private static abstract class Request extends ZLNetworkRequest {
+		private final static String BASE_URL = "https://books.fbreader.org/app/";
+
+		Request(String app, Object data) {
+			super(BASE_URL + app, toJSON(data), true);
+		}
+
+		@Override
+		public void handleStream(InputStream stream, int length) throws IOException, ZLNetworkException {
+			final BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
+			final StringBuilder buffer = new StringBuilder();
+			String line;
+			while ((line = reader.readLine()) != null) {
+				buffer.append(line);
+			}
+			processResponse(JSONValue.parse(buffer.toString()));
+		}
+
+		final void perform() {
+			try {
+				ZLNetworkManager.Instance().perform(this);
+			} catch (ZLNetworkException e) {
+				e.printStackTrace();
+			}
+		}
+
+		protected abstract void processResponse(Object response);
+	}
+
+	private void uploadBookToServer(Book book) {
+		final UID uid = BookUtil.createUid(book.File.getPhysicalFile(), "SHA-1");
+		if (uid == null) {
+			System.err.println("Failed: SHA-1 checksum not computed");
+			return;
+		}
+		System.err.println("SHA-1: " + uid.Id);
+		new Request("books.by.hash", Collections.singletonMap("sha1", uid.Id)) {
+			public void processResponse(Object response) {
+				System.err.println("RESPONSE = " + response);
+			}
+		}.perform();
 	}
 
 	@Override
 	public void onDestroy() {
+		myCollection.removeListener(this);
 		myCollection.unbind();
 		System.err.println("SYNCHRONIZER UNBINDED FROM LIBRARY");
 		super.onDestroy();
 	}
+
+	@Override
+	public void onBookEvent(BookEvent event, Book book) {
+		switch (event) {
+			default:
+				break;
+			case Added:
+				addBook(book);
+				break;
+		}
+	}
+
+	@Override
+	public void onBuildEvent(IBookCollection.Status status) {
+	}
 }

src/org/geometerplus/fbreader/book/BookUtil.java

@@ -78,11 +78,11 @@ public abstract class BookUtil {
 		return true;
 	}
 
-	public static UID createSHA256Uid(ZLFile file) {
+	public static UID createUid(ZLFile file, String algorithm) {
 		InputStream stream = null;
 
 		try {
-			final MessageDigest hash = MessageDigest.getInstance("SHA-256");
+			final MessageDigest hash = MessageDigest.getInstance(algorithm);
 			stream = file.getInputStream();
 
 			final byte[] buffer = new byte[2048];
@@ -98,7 +98,7 @@ public abstract class BookUtil {
 			for (byte b : hash.digest()) {
 				f.format("%02X", b & 0xFF);
 			}
-			return new UID("SHA-256", f.toString());
+			return new UID(algorithm, f.toString());
 		} catch (IOException e) {
 			return null;
 		} catch (NoSuchAlgorithmException e) {

src/org/geometerplus/fbreader/formats/NativeFormatPlugin.java

@@ -78,7 +78,7 @@ public class NativeFormatPlugin extends FormatPlugin {
 	synchronized public void readUids(Book book) throws BookReadingException {
 		readUidsNative(book);
 		if (book.uids().isEmpty()) {
-			book.addUid(BookUtil.createSHA256Uid(book.File));
+			book.addUid(BookUtil.createUid(book.File, "SHA-256"));
 		}
 	}
 

src/org/geometerplus/fbreader/formats/pdb/MobipocketPlugin.java

@@ -126,7 +126,7 @@ public class MobipocketPlugin extends JavaFormatPlugin {
 	@Override
 	public void readUids(Book book) throws BookReadingException {
 		if (book.uids().isEmpty()) {
-			book.addUid(BookUtil.createSHA256Uid(book.File));
+			book.addUid(BookUtil.createUid(book.File, "SHA-256"));
 		}
 	}