look at fs on demand, don't watch it

ScanDir (well, fs notifications in raku) is too slow to keep up with
actual fs changes (especially when e.g. a file is being downloaded)

there's actually no need to watch fs changes, we can just sync the db
with the file system we look at each directory

1 files changed, 36 insertions, 0 deletions

diff --git a/lib/App/MediaControl/FS.rakumod b/lib/App/MediaControl/FS.rakumod
new file mode 100644
index 0000000..b8f68d2
--- /dev/null
+++ b/lib/App/MediaControl/FS.rakumod
@@ -0,0 +1,36 @@
+use v6.d;
+
+class App::MediaControl::FS {
+    has IO::Path() $.root is required;
+    has $!extensions;
+
+    submethod TWEAK(:$extensions) {
+        $!extensions = any($extensions.Slip);
+    }
+
+    method get-children-of(Str $path) {
+        my $base = $!root.child($path);
+        return @() unless $base.d;
+        
+        my @children = eager $base.dir(
+            test => -> $f {
+                my $based-f = $base.child($f);
+
+
+                $based-f.d ?? $f ~~ $*SPEC.curupdir !!
+                ($based-f.extension ~~ $!extensions) ?? True !!
+                False;
+            },
+        );
+
+        return @children.map(
+            -> $f {
+                %( name => $f.basename, is_dir => $f.d );
+            }
+        ).sort({ .<name> });
+    }
+
+    method exists(Str $path) {
+        return $!root.child($path).e;
+    }
+}