Clear cache, configure cache size (#482)

decrease the compression to have better results

Move cache size outside of maxsize method. fix progress bar alignment for files

Add cache size to picasso

Use getAbsolutePath

Merge branch 'app-cache' of gitea.com:gitnex/GitNex into app-cache

Few imprvoements

Merge branch 'master' into app-cache

small improvement

Implement configure cache size and clear it

Co-authored-by: 6543 <6543@noreply.gitea.io>
Reviewed-on: https://gitea.com/gitnex/GitNex/pulls/482
Reviewed-by: opyale <opyale@noreply.gitea.io>

app/src/main/java/org/mian/gitnex/helpers/FilesData.java

@@ -0,0 +1,84 @@
+package org.mian.gitnex.helpers;
+
+import java.io.File;
+import java.util.ArrayDeque;
+import java.util.Deque;
+import java.util.HashSet;
+import java.util.Objects;
+import java.util.Set;
+
+/**
+ * Author M M Arif
+ */
+
+public class FilesData {
+
+	public static int returnOnlyNumber(String fileSize) {
+
+		return Integer.parseInt(fileSize.substring(0, fileSize.indexOf(" ")));
+
+	}
+
+	public static long getFileSizeRecursively(Set<File> alreadySeen, File dirDirectory) {
+
+		long fileSize = 0;
+
+		for (File filItem : Objects.requireNonNull(dirDirectory.listFiles())) {
+
+			if (filItem.isDirectory()) {
+
+				fileSize += getFileSize(filItem);
+
+			}
+			else {
+
+				alreadySeen.add(new File(filItem.getName()));
+				fileSize += filItem.length();
+
+			}
+
+		}
+
+		return fileSize;
+
+	}
+
+	private static long getFileSize(File subDirectory) {
+
+		long fileSize = 0;
+
+		Deque<File> unprocessedDirs = new ArrayDeque<>();
+		unprocessedDirs.add(subDirectory);
+		Set<File> alreadySeen = new HashSet<>();
+
+		while (!unprocessedDirs.isEmpty()) {
+
+			File dir = unprocessedDirs.removeFirst();
+
+			for (File filItem : Objects.requireNonNull(dir.listFiles())) {
+
+				if (filItem.isDirectory()) {
+
+					unprocessedDirs.addFirst(filItem);
+
+				}
+				else {
+
+					if (! alreadySeen.contains(filItem.getName())) {
+
+						alreadySeen.add(new File(filItem.getName()));
+						fileSize += filItem.length();
+
+					}
+
+				}
+
+			}
+
+		}
+
+		return fileSize;
+
+	}
+
+}

app/src/main/java/org/mian/gitnex/helpers/PicassoCache.java

@@ -1,9 +1,11 @@
 package org.mian.gitnex.helpers;
 
+import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.util.Log;
 import com.squareup.picasso.Cache;
+import org.mian.gitnex.util.TinyDB;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
@@ -20,21 +22,26 @@ import java.util.UUID;
 
 public class PicassoCache implements Cache {
 
+	private Context ctx;
 	private String TAG = "PicassoCache";
 
 	private static final Bitmap.CompressFormat COMPRESS_FORMAT = Bitmap.CompressFormat.PNG;
-	private static final int COMPRESSION_QUALITY = 0; // 0 = high compression (low file size) | 100 = no compression
+	private static final int COMPRESSION_QUALITY = 50; // 0 = high compression (low file size) | 100 = no compression
+	private final int CACHE_SIZE;
 
 	private static final String CACHE_MAP_FILE = "cacheMap";
-	private static final int CACHE_SIZE = 25 * 1024 * 1024; // Cache can hold twenty-five megabytes
 
 	private File cachePath;
 	private HashMap<String, String> cacheMap;
 
-	public PicassoCache(File cachePath) throws IOException, ClassNotFoundException {
+	public PicassoCache(File cachePath, Context ctx) throws IOException, ClassNotFoundException {
 
+		TinyDB tinyDb = new TinyDB(ctx);
+
+		CACHE_SIZE = FilesData.returnOnlyNumber(tinyDb.getString("cacheSizeImagesStr")) * 1024 * 1024;
 		this.cachePath = cachePath;
 		cacheMap = new HashMap<>();
+		this.ctx = ctx;
 
 		if(cacheMapExists(cachePath)) {