From 672c015696d1f506aa133024f8908867cac84c9a Mon Sep 17 00:00:00 2001
From: Reinhard Pointner <reinhard.pointner@gmail.com>
Date: Tue, 30 Apr 2019 19:50:58 +0700
Subject: [PATCH] + Add {history} binding to access the original historic path
 of {f} (e.g. useful for -exec post-processing calls)

---
 source/net/filebot/History.java                 | 13 ++++++++++++-
 source/net/filebot/format/MediaBindingBean.java | 13 +++++++++++++
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/source/net/filebot/History.java b/source/net/filebot/History.java
index 535cbb64..476ca722 100644
--- a/source/net/filebot/History.java
+++ b/source/net/filebot/History.java
@@ -14,6 +14,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Objects;
 import java.util.logging.Level;
+import java.util.stream.Stream;
 
 import javax.xml.bind.JAXBContext;
 import javax.xml.bind.Marshaller;
@@ -181,7 +182,7 @@ public class History {
 
 	public Map<File, File> getRenameMap() {
 		Map<File, File> map = new LinkedHashMap<File, File>();
-		for (History.Sequence seq : this.sequences()) {
+		for (History.Sequence seq : sequences) {
 			for (History.Element elem : seq.elements()) {
 				File to = new File(elem.to());
 				if (!to.isAbsolute()) {
@@ -194,6 +195,16 @@ public class History {
 		return map;
 	}
 
+	public Stream<File> getOriginalPath(File destination) {
+		return sequences.stream().flatMap(s -> s.elements().stream()).filter(e -> {
+			File to = new File(e.to());
+			if (!to.isAbsolute()) {
+				to = new File(e.dir(), e.to());
+			}
+			return destination.equals(to);
+		}).map(e -> new File(e.dir(), e.from()));
+	}
+
 	public static void exportHistory(History history, OutputStream output) {
 		try {
 			Marshaller marshaller = JAXBContext.newInstance(History.class).createMarshaller();
diff --git a/source/net/filebot/format/MediaBindingBean.java b/source/net/filebot/format/MediaBindingBean.java
index 63d2e349..07015ed1 100644
--- a/source/net/filebot/format/MediaBindingBean.java
+++ b/source/net/filebot/format/MediaBindingBean.java
@@ -46,6 +46,7 @@ import com.github.benmanes.caffeine.cache.Cache;
 import com.github.benmanes.caffeine.cache.Caffeine;
 
 import net.filebot.ApplicationFolder;
+import net.filebot.HistorySpooler;
 import net.filebot.Language;
 import net.filebot.MediaTypes;
 import net.filebot.Resource;
@@ -488,6 +489,18 @@ public class MediaBindingBean {
 		return name != null ? getNameWithoutExtension(name) : null;
 	}
 
+	@Define("history")
+	public File getOriginalFilePath() throws Exception {
+		// check in-memory history first
+		Optional<File> path = HistorySpooler.getInstance().getSessionHistory().getOriginalPath(getMediaFile()).findFirst();
+		if (path.isPresent()) {
+			return path.get();
+		}
+
+		// check persistent history file as well
+		return HistorySpooler.getInstance().getCompleteHistory().getOriginalPath(getMediaFile()).findFirst().orElse(null);
+	}
+
 	@Define("xattr")
 	public Object getMetaAttributesObject() throws Exception {
 		return xattr.getMetaInfo(getMediaFile());