From e1e4205566dbd415309fe966942acabde4d187d1 Mon Sep 17 00:00:00 2001
From: Bastian Dehn <hhaalo@arcor.de>
Date: Tue, 22 Jul 2025 14:34:28 +0200
Subject: [PATCH] add keywords with exiftool

---
 src/scanbasic.sh     | 49 ++++++++++++++++++++++++++++++++++++++++++++
 src/scantopdf        |  9 ++++----
 src/scantopdfbw      |  9 ++++----
 src/scantopdfgray    |  9 ++++----
 tests/scanbasic.bats | 22 ++++++++++++++++++++
 5 files changed, 86 insertions(+), 12 deletions(-)

diff --git a/src/scanbasic.sh b/src/scanbasic.sh
index c5096f5..96033d5 100644
--- a/src/scanbasic.sh
+++ b/src/scanbasic.sh
@@ -198,10 +198,56 @@ createmultipdfs()
 	done
 }
 
+get_title_from_file_name()
+{
+	local file_name="$1"
+	local title="${file_name%.*}"
+	title="${title#*_}"
+	title="${title//_/ }"
+
+	echo "$title"
+}
+
+get_date_from_file_name()
+{
+	local file_name="$1"
+	local date="${file_name%%_*}"
+	date="${date//-/:} 00:00:00Z"
+
+	echo "$date"
+}
+
+add_keywords()
+{
+	local file_name="$1"
+	local keywords="$2"
+
+	[ -z "$keywords" ] && return 0
+
+	[[ "$file_name" =~ [0-9]{4}\-[0-9]{2}\-[0-9]{2}_.*\.pdf ]] \
+		|| errlog "file name mismatch pattern" \
+		|| return $?
+
+	local title=$(get_title_from_file_name "$file_name")
+	local date=$(get_date_from_file_name "$file_name")
+
+	echo "ℹ️  INFO: adding keywords $keywords to $file_name"
+	exiftool -Title="$title" \
+		-CreateDate="$date" \
+		-sep "," \
+		-PDF:Keywords="$keywords" \
+		-overwrite_original_in_place \
+		"$file_name" \
+		> /dev/null \
+		|| errlog "could not add keywords $keywords to $file_name" \
+		|| return $?
+}
+
 scantopdf() {
 	local mode="$1"
 	local pagecount="$2"
 	local output="$3"
+	local keywords="$4"
 
 	check_commands \
 		|| return $?
@@ -235,4 +281,7 @@ scantopdf() {
 
 	createonepdf "$output" \
 		|| return $?
+
+	add_keywords "$output" "$keywords" \
+		|| return $?
 }
diff --git a/src/scantopdf b/src/scantopdf
index 4412985..f748388 100755
--- a/src/scantopdf
+++ b/src/scantopdf
@@ -4,15 +4,16 @@
 
 main()
 {
-	local pagecount=$1
-	local output=$2
+	local pagecount="$1"
+	local output="$2"
+	local keywords="$3"
 
 	echo "⭐ START: scantopdf"
 
-	scantopdf "Color" "$pagecount" "$output" \
+	scantopdf "Color" "$pagecount" "$output" "$keywords"\
 		|| return $?
 
 	echo "✅ SUCCESS: scantopdf"
 }
 
-main $*
+main "$@"
diff --git a/src/scantopdfbw b/src/scantopdfbw
index b1ff268..e37b289 100755
--- a/src/scantopdfbw
+++ b/src/scantopdfbw
@@ -4,15 +4,16 @@
 
 main()
 {
-	local pagecount=$1
-	local output=$2
+	local pagecount="$1"
+	local output="$2"
+	local keywords="$3"
 
 	echo "⭐ START: scantopdfbw"
 
-	scantopdf "BW" "$pagecount" "$output" \
+	scantopdf "BW" "$pagecount" "$output" "$keywords" \
 		|| return $?
 
 	echo "✅ SUCCESS: scantopdfbw"
 }
 
-main $*
+main "$@"
diff --git a/src/scantopdfgray b/src/scantopdfgray
index 103a175..2f2f7cf 100755
--- a/src/scantopdfgray
+++ b/src/scantopdfgray
@@ -4,15 +4,16 @@
 
 main()
 {
-	local pagecount=$1
-	local output=$2
+	local pagecount="$1"
+	local output="$2"
+	local keywords="$3"
 
 	echo "⭐ START: scantopdfgray"
 
-	scantopdf "Gray" "$pagecount" "$output" \
+	scantopdf "Gray" "$pagecount" "$output" "$keywords" \
 		|| return $?
 
 	echo "✅ SUCCESS: scantopdfgray"
 }
 
-main $*
+main "$@"
diff --git a/tests/scanbasic.bats b/tests/scanbasic.bats
index 069db78..8fefc46 100755
--- a/tests/scanbasic.bats
+++ b/tests/scanbasic.bats
@@ -242,6 +242,18 @@ setup() {
 	assert_success
 }
 
+@test "should get title from filename 2025-07-22_test_12345_word.pdf" {
+	run get_title_from_file_name "2025-07-22_test_12345_word.pdf"
+
+	assert_line --index 0 "test 12345 word"
+}
+
+@test "should get date from filename 2025-07-22_test_12345_word.pdf" {
+	run get_date_from_file_name "2025-07-22_test_12345_word.pdf"
+
+	assert_line --index 0 "2025:07:22 00:00:00Z"
+}
+
 @test "should failure scantopdf missing mode parameter" {
 	run scantopdf
 
@@ -312,3 +324,13 @@ setup() {
 
 	assert_success
 }
+
+@test "should success add keywords" {
+	exiftool() {
+		:
+	}
+
+	run add_keywords "2025-07-22_test_word.pdf"
+
+	assert_success
+}
-- 
2.47.3