1 files changed, 97 insertions, 0 deletions
diff --git a/lib/AniDB/Datastore.pm b/lib/AniDB/Datastore.pm
new file mode 100644
index 0000000..8db4e16
--- /dev/null
+++ b/lib/AniDB/Datastore.pm
@@ -0,0 +1,97 @@
+package AniDB::Datastore;
+use 5.024;
+use experimental 'signatures';
+use Moo;
+use Path::Tiny;
+use AniDB::Hashing;
+use namespace::clean;
+
+has database => ( is => 'ro', required => 1 );
+has dbh => ( is => 'ro', lazy => 1 );
+
+sub _build_dbh($self) {
+    require DBI;
+    return DBI->connect(
+        'dbi:SQLite:dbname='.$self->database,
+        '', '',
+        {
+            AutoCommit => 1,
+            RaiseError => 1,
+            PrintError => 0,
+        },
+    );
+}
+
+sub update($self,$path) {
+    my $stat = $path->stat;
+
+    return 0 unless $self->_has_changed($path,$stat);
+    my $hash = AniDB::Hashing::hash_fd($path->openr_raw);
+    $self->_update_path_info(
+        $path => {
+            size => $stat->size,
+            mtime => $stat->mtime,
+            hash => $hash,
+        },
+    );
+    return 1;
+}
+
+sub _has_changed($self,$path,$stat) {
+    my $path_info = $self->path_info_for($path);
+    return (
+        $path_info->{size} == $stat->size
+            && $path_info->{mtime} == $stat->mtime
+        );
+}
+
+sub rename($self,$path,$new_path) {
+    $self->dbh->do(
+        q{UPDATE path_info SET name=? WHERE name=?},
+        $path->stringify,$new_path->stringify,
+    );
+}
+
+sub full_info_for($self,$path) {
+    my $path_info = $self->path_info_for($path);
+    my $episode_info = $self->episode_info_for(
+        $path_info,
+    );
+    my $anime_info = $self->anime_info_for(
+        $episode_info,
+    );
+    return {
+        path => $path_info,
+        episode => $episode_info,
+        anime => $anime_info,
+    };
+}
+
+sub path_info_for($self,$path) {
+    my $ret = $self->dbh->selectall_arrayref(
+        qr{SELECT * FROM path_info WHERE name=?},
+        { Slice => {} },
+        $path->stringify,
+    );
+    return $ret->[0];
+}
+
+sub episode_info_for($self,$args) {
+    my $ret = $self->dbh->selectall_arrayref(
+        qr{SELECT * FROM episode_info WHERE hash=? AND size=?},
+        { Slice => {} },
+        @{$args}{qw(hash size)},
+    );
+    return $ret->[0];
+}
+
+sub anime_info_for($self,$args) {
+    my $ret = $self->dbh->selectall_arrayref(
+        qr{SELECT * FROM anime_info WHERE aid=?},
+        { Slice => {} },
+        @{$args}{qw(aid)},
+    );
+    return $ret->[0];
+}
+
+1;