From 8cdbc71f4c80f42d43e4b7b0171c035cb06e9c00 Mon Sep 17 00:00:00 2001
From: ospring <ospring@gmail.com>
Date: Fri, 29 Mar 2024 02:26:58 +0100
Subject: [PATCH] Detect if local lib file has changed after sync to avoid
 trigger rescan when unneeded. make curl to use remote file date to allow
 detect file change with dates

---
 local_test.sh                            |  4 ++++
 src/usr/local/kobocloud/get.sh           | 23 ++++++++++++++++++++---
 src/usr/local/kobocloud/getRemoteFile.sh |  4 ++--
 3 files changed, 26 insertions(+), 5 deletions(-)

diff --git a/local_test.sh b/local_test.sh
index 9d4bf7a..6b6a6c6 100755
--- a/local_test.sh
+++ b/local_test.sh
@@ -3,6 +3,7 @@
 SERVICE=$1
 TEST_DELETED=$2
 
+
 TestFiles=("ulysses.epub" "01/ulysses.epub" "01/ulysses01.epub" "02/ulysses.epub" "02/ulysses02.epub")
 sha1=d07c5da10d4666766d1b796ba420cffca0ac440c
 TestSubdirs=false
@@ -110,5 +111,8 @@ do
     fi
 done
 
+#relaunch sync to test when no change has to be made
+src/usr/local/kobocloud/get.sh TEST
+
 # if we reached here, we are good
 exit 0
diff --git a/src/usr/local/kobocloud/get.sh b/src/usr/local/kobocloud/get.sh
index c2c478c..a2b2486 100755
--- a/src/usr/local/kobocloud/get.sh
+++ b/src/usr/local/kobocloud/get.sh
@@ -48,6 +48,10 @@ then
   fi
 fi
 
+#list file in lib dir before sync
+lib_list_before=`ls -lnR --full-time "$Lib"`
+echo "$lib_list_before"
+
 while read url || [ -n "$url" ]; do
   echo "Reading $url"
   if echo "$url" | grep -q '^#'; then
@@ -94,10 +98,23 @@ if grep -q "^REMOVE_DELETED$" $UserConfig; then
 	recursiveUpdateFiles
 fi
 
-if [ "$TEST" = "" ]
+#list file in lib dir after sync
+lib_list_after=`ls -lnR --full-time "$Lib"`
+echo "$lib_list_after"
+
+#compare filelist before and after
+if [ "$lib_list_after" = "$lib_list_before" ]
 then
-    # Use NickelDBus for library refresh
-    /usr/bin/qndb -t 3000 -s pfmDoneProcessing -m pfmRescanBooksFull
+  echo "No Library Change. skipping rescan"
+else
+  echo "Library has changed, rescan needed"
+
+
+  if [ "$TEST" = "" ]
+  then
+      # Use NickelDBus for library refresh
+      /usr/bin/qndb -t 3000 -s pfmDoneProcessing -m pfmRescanBooksFull
+  fi
 fi
 
 rm "$Logs/index" >/dev/null 2>&1
diff --git a/src/usr/local/kobocloud/getRemoteFile.sh b/src/usr/local/kobocloud/getRemoteFile.sh
index 3582b64..1c30017 100755
--- a/src/usr/local/kobocloud/getRemoteFile.sh
+++ b/src/usr/local/kobocloud/getRemoteFile.sh
@@ -33,9 +33,9 @@ if [ ! -z "$dropboxPath" ] && [ "$dropboxPath" != "-" ]; then
     curlCommand="$CURL -X POST --header \"Authorization: Bearer $user\" --header \"Dropbox-API-Arg: {\\\"path\\\": \\\"$dropboxPath\\\"}\""
 fi
 
-echo "Download:" $curlCommand -k --silent -C - -L --create-dirs -o \"$localFile\" \"$linkLine\" -v
+echo "Download:" $curlCommand -k --silent -C - -L --create-dirs --remote-time -o \"$localFile\" \"$linkLine\" -v
 
-eval $curlCommand -k --silent -C - -L --create-dirs -o \"$localFile\" \"$linkLine\" -v 2>$outputFileTmp
+eval $curlCommand -k --silent -C - -L --create-dirs --remote-time -o \"$localFile\" \"$linkLine\" -v 2>$outputFileTmp
 status=$?
 echo "Status: $status"
 echo "Output: "