Expand date filter by last execution overwrite

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

@@ -11,12 +11,11 @@ import org.apache.commons.lang3.StringUtils;
 
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
-import java.util.Arrays;
 import java.util.List;
 import java.util.Optional;
+import java.util.Set;
 import java.util.function.BiFunction;
 import java.util.function.Predicate;
-import java.util.stream.Collectors;
 
 @RequiredArgsConstructor
 public abstract class ConfigValidator<FieldType> {
@@ -38,7 +37,9 @@ public abstract class ConfigValidator<FieldType> {
 		Optional<FieldType> cmdResult = provideDataCmd().apply(cmd, property);
 		Optional<FieldType> yamlResult = provideDataYaml().apply(yaml, property);
 
-		if (cmdResult.isPresent()) {
+		if (isOverwritingNecessary()){
+			result = overwriteValue();
+		} else if (cmdResult.isPresent()) {
 			result = cmdResult.get();
 		} else if (yamlResult.isPresent()) {
 			result = yamlResult.get();
@@ -98,6 +99,14 @@ public abstract class ConfigValidator<FieldType> {
 		};
 	}
 
+	protected boolean isOverwritingNecessary() {
+		return false;
+	}
+
+	protected FieldType overwriteValue() {
+		return null;
+	}
+
 	/**
 	 * Parse input parameter to desired format.
 	 *
@@ -145,5 +154,11 @@ public abstract class ConfigValidator<FieldType> {
 				&& StringUtils.equalsIgnoreCase(method.getName().replace("get", ""), property.prop().replace("-", ""));
 	}
 
+	protected static Set<Integer> getDependentValidators() {
+		return Set.of();
+	}
 
+	public static int getWeight() {
+		return getDependentValidators().stream().sorted().findFirst().orElse(100) - 1;
+	}
 }

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

@@ -1,22 +1,51 @@
 package at.pcgamingfreaks.mkvaudiosubtitlechanger.config.validator;
 
+import at.pcgamingfreaks.mkvaudiosubtitlechanger.config.Config;
 import at.pcgamingfreaks.mkvaudiosubtitlechanger.model.ConfigProperty;
 import at.pcgamingfreaks.mkvaudiosubtitlechanger.util.DateUtils;
+import lombok.extern.slf4j.Slf4j;
 
+import java.io.IOException;
 import java.util.Date;
+import java.util.Properties;
+import java.util.Set;
 
+@Slf4j
 public class DateValidator extends ConfigValidator<Date> {
+    private static final Date DEFAULT_DATE = new Date(0);
+
     public DateValidator(ConfigProperty property, boolean required) {
         super(property, required, null);
     }
 
+    @Override
+    protected boolean isOverwritingNecessary() {
+        return Config.getInstance().isOnlyNewFiles();
+    }
+
+    @Override
+    protected Date overwriteValue() {
+        Properties prop = new Properties();
+        try {
+            prop.load(Thread.currentThread().getContextClassLoader().getResourceAsStream("/last-execution.properties"));
+            return parse(prop.getProperty(Config.getInstance().getLibraryPath().getAbsolutePath()));
+        } catch (IOException e) {
+            log.error("Couldn't open last-execution.properties");
+            return DEFAULT_DATE;
+        }
+    }
+
     @Override
     Date parse(String value) {
-        return DateUtils.convert(value); // TODO fix null return value
+        return DateUtils.convert(value, DEFAULT_DATE);
     }
 
     @Override
     boolean isValid(Date result) {
-        return result != null;
+        return !result.equals(DEFAULT_DATE);
+    }
+
+    protected static Set<Integer> getDependentValidators() {
+        return Set.of(PathValidator.getWeight(), BooleanValidator.getWeight());
     }
 }