Collection class

1 files changed, 34 insertions, 0 deletions

diff --git a/lib/Ultramarine/Model/Collection.pm6 b/lib/Ultramarine/Model/Collection.pm6
new file mode 100644
index 0000000..c8cddf7
--- /dev/null
+++ b/lib/Ultramarine/Model/Collection.pm6
@@ -0,0 +1,34 @@
+use v6.d.PREVIEW;
+need Ultramarine::Model::DirScanner;
+
+class Ultramarine::Model::Collection {
+    has $.db is required handles <all-songs>;
+    has $.dirscan is required;
+    has $.file-class is required;
+
+    method new(|c) {
+        my $self = self.bless(|c);
+        start $self.update();
+        return $self;
+    }
+
+    has Promise $.is-ready .= new;
+    has $!mark-ready = $!is-ready.vow;
+
+    method update() {
+        react whenever $.dirscan.scan -> $path {
+            when $path ~~ Ultramarine::Model::DirScanner::EndOfScan {
+                # we should use this to check that all the files in
+                # the db have been seen, and delete those that haven't
+                $!mark-ready.keep(True);
+            }
+            when $path ~~ IO::Path & :f {
+                my $mtime = $path.modified.floor;
+                unless $.db.is-up-to-date(:$path,:$mtime) {
+                    my %metadata = $.file-class.new(:$path).metadata;
+                    $.db.set-song(:$path,:$mtime,:%metadata) if %metadata.keys;
+                }
+            }
+        }
+    }
+}