From c88d48f2a3ce4a29f9abfeef27dc448e654ee746 Mon Sep 17 00:00:00 2001
From: Mischa POSLAWSKY <perl@shiar.org>
Date: Thu, 28 May 2020 00:51:55 +0200
Subject: [PATCH] word edit: cover option changes thumbnail

---
 writer.plp | 33 ++++++++++++++++-----------------
 1 file changed, 16 insertions(+), 17 deletions(-)

diff --git a/writer.plp b/writer.plp
index 9245915..b64fea0 100644
--- a/writer.plp
+++ b/writer.plp
@@ -177,27 +177,26 @@ elsif ($ENV{REQUEST_METHOD} eq 'POST') {{
 	};
 
 	my $imgpath = "data/word/org/$row->{id}.jpg";
-	if (($row->{source} // '') ne ($replace->{source} // '')) {
+	my $reimage = eval {
+		($row->{source} // '') ne ($replace->{source} // '') or return;
 		# copy changed remote url to local file
 		unlink $imgpath if -e $imgpath;
-		if (my $download = $row->{source}) {
-			require LWP::UserAgent;
-			my $ua = LWP::UserAgent->new;
-			$ua->agent('/');
-			my $status = $ua->mirror($download, $imgpath);
-			$status->is_success or Alert([
-				"Source image not found",
-				"Download from <q>$download</q> failed: ".$status->status_line,
-			]);
-		}
-	}
-	elsif ($row->{thumb} ~~ $replace->{thumb}) {
-		# image and conversion unaltered
-		$imgpath = undef;
-	}
+		my $download = $row->{source} or return 1;
+		require LWP::UserAgent;
+		my $ua = LWP::UserAgent->new;
+		$ua->agent('/');
+		my $status = $ua->mirror($download, $imgpath);
+		$status->is_success
+			or die "Download from <q>$download</q> failed: ".$status->status_line."\n";
+	};
+	!$@ or Alert(["Source image not found", $@]);
+
+	$reimage ||= $row->{thumb} ~~ $replace->{thumb};  # different convert
+	$reimage ||= $row->{cover} ~~ $replace->{cover};  # resize
+	$reimage++ if $fields{rethumb};  # force refresh
 
 	my $thumbpath = "data/word/eng/$row->{form}.jpg";
-	if ($imgpath) {
+	if ($reimage) {
 		if (-e $imgpath) {
 			my $xyres = $row->{cover} ? '600x400' : '300x200';
 			my @cmds = @{ $row->{thumb} // [] };
-- 
2.30.0