Add basic date filter

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/config/Config.java

@@ -38,6 +38,8 @@ public class Config {
 
     private Integer coherent;
     private boolean forceCoherent;
+    private boolean onlyNewFiles;
+    private Date filterDate;
 
     private Set<String> forcedKeywords = new HashSet<>(Arrays.asList("forced", "signs", "songs"));
     private Set<String> commentaryKeywords = new HashSet<>(Arrays.asList("commentary", "director"));

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/config/ConfigLoader.java

@@ -24,6 +24,8 @@ public class ConfigLoader {
             new ThreadValidator(THREADS, false, 2),
             new MkvToolNixPathValidator(MKV_TOOL_NIX, true, Path.of("C:\\Program Files\\MKVToolNix").toFile()),
             new BooleanValidator(SAFE_MODE, false),
+            new BooleanValidator(ONLY_NEW_FILES, false),
+            new DateValidator(FILTER_DATE, false),
             new PatternValidator(INCLUDE_PATTERN, false, Pattern.compile(".*")),
             new SetValidator(FORCED_KEYWORDS, false, true),
             new SetValidator(COMMENTARY_KEYWORDS, false, true),

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/config/validator/DateValidator.java

@@ -0,0 +1,22 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.config.validator;
+
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.ConfigProperty;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.util.DateUtils;
+
+import java.util.Date;
+
+public class DateValidator extends ConfigValidator<Date> {
+    public DateValidator(ConfigProperty property, boolean required) {
+        super(property, required, null);
+    }
+
+    @Override
+    Date parse(String value) {
+        return DateUtils.convert(value); // TODO fix null return value
+    }
+
+    @Override
+    boolean isValid(Date result) {
+        return result != null;
+    }
+}

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/impl/FileFilter.java

@@ -2,18 +2,56 @@ package at.pcgamingfreaks.mkvaudiosubtitlechanger.impl;
 
 import at.pcgamingfreaks.mkvaudiosubtitlechanger.config.Config;
 import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.ResultStatistic;
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.util.DateUtils;
+import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
 
 import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.attribute.BasicFileAttributes;
+import java.util.Date;
 
+@Slf4j
 public class FileFilter {
     static boolean accept(File pathName, String[] fileExtensions) {
-        if (StringUtils.endsWithAny(pathName.getAbsolutePath().toLowerCase(), fileExtensions)
-                && Config.getInstance().getIncludePattern().matcher(pathName.getName()).matches()) {
+        if (hasProperFileExtension(pathName, fileExtensions) && isIncluded(pathName) && isNewer(pathName)) {
             return true;
         }
 
         ResultStatistic.getInstance().excluded();
         return false;
     }
+
+    private static boolean hasProperFileExtension(File pathName, String[] fileExtensions) {
+        return StringUtils.endsWithAny(pathName.getAbsolutePath().toLowerCase(), fileExtensions);
+    }
+
+    private static boolean isIncluded(File pathName) {
+        return Config.getInstance().getIncludePattern().matcher(pathName.getName()).matches();
+    }
+
+    private static boolean isNewer(File pathName) {
+        Config config = Config.getInstance();
+        if (config.getFilterDate() == null) return true;
+        try  {
+            BasicFileAttributes attributes = Files.readAttributes(pathName.toPath(), BasicFileAttributes.class);
+            return isNewer(DateUtils.convert(attributes.creationTime().toMillis()));
+        } catch (IOException e) {
+            log.warn("File attributes could not be read. This could have XX reason"); // TODO
+        }
+        return true;
+    }
+
+    private static boolean isNewer(Date creationDate) {
+        return creationDate.toInstant().isAfter(Config.getInstance().getFilterDate().toInstant());
+    }
+
+    private static boolean isNewerThanLastExecution(File pathName) {
+        if (Config.getInstance().isOnlyNewFiles()) {
+            return isNewer(pathName);
+        }
+        return true;
+//        return Config.getInstance().isOnlyNewFiles() && isNewer(pathName);
+    }
 }

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/model/ConfigProperty.java

@@ -18,6 +18,8 @@ public enum ConfigProperty {
     COHERENT("coherent", "Try to match all files in dir of depth with the same config", "c", 1),
     FORCE_COHERENT("force-coherent", "Force coherent and don't update anything if config fits not whole config (default: false)", "cf", 0),
     WINDOWS("windows", "Is operating system windows", null, 0),
+    ONLY_NEW_FILES("only-new-files", "Sets filter-date to last successful execution (Overwrites input of filter-date)", "n", 0),
+    FILTER_DATE("filter-date", "Only consider files created newer than entered date (format: \"dd.MM.yyyy-HH:mm:ss\")", "d", 1),
     THREADS("threads", "Thread count (default: 2)", "t", 1),
     INCLUDE_PATTERN("include-pattern", "Include files matching pattern (default: \".*\")", "i", 1),
     EXCLUDED_DIRECTORY("excluded-directories", "Directories to be excluded, combines with config file", "e", Option.UNLIMITED_VALUES),

src/main/java/at/pcgamingfreaks/mkvaudiosubtitlechanger/util/DateUtils.java

@@ -0,0 +1,25 @@
+package at.pcgamingfreaks.mkvaudiosubtitlechanger.util;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+public class DateUtils {
+    private static final SimpleDateFormat dateFormat = new SimpleDateFormat("dd.MM.yyyy-HH:mm:ss");
+
+    public static Date convert(long millis) {
+        return new Date(millis);
+    }
+
+    /**
+     * Convert String to date.
+     * @return parsed date, null if exception occurs
+     */
+    public static Date convert(String date) {
+        try {
+            return dateFormat.parse(date);
+        } catch (ParseException e) {
+            return null;
+        }
+    }
+}