Implementation Store engine

It will allow to store SCK data on other DB engine than Redis.
Next step will be MongoDB

lib/Celogeek/SCK/Store.pm

@@ -0,0 +1,31 @@
+package Celogeek::SCK::Store;
+
+# ABSTRACT: handle storage of SCK website
+
+use strict;
+use warnings;
+# VERSION
+use Moo;
+
+has 'engine' => (
+    is => 'ro',
+    isa => sub {
+        die "not a valid engine" unless $_[0] =~ /^redis$/;
+    },
+    required => 1,
+);
+
+has 'connection' => (
+    is => 'ro',
+    required => 1,
+);
+
+sub BUILD {
+    my $self = shift;
+    my $store = __PACKAGE__.'::'.ucfirst($self->engine);
+    with $store;
+    with __PACKAGE__.'::Base';
+    $self->validate_connection();
+}
+
+1;

lib/Celogeek/SCK/Store/Base.pm

@@ -0,0 +1,26 @@
+package Celogeek::SCK::Store::Base;
+
+# ABSTRACT: Empty store, to force implementation of method
+
+use strict;
+use warnings;
+# VERSION
+
+use Moo::Role;
+
+sub _die {
+    my $self = shift;
+    my $store_class = substr(__PACKAGE__,0,-length('Base')).ucfirst($self->engine);
+    my $func = substr((caller(1))[3], length(__PACKAGE__) + 2);
+    die "${store_class}::${func} need to be implemented";
+}
+
+#method need to be implemented
+for my $meth (qw/validate_connection set_config get_config/) {
+    eval <<EOF
+    sub $meth { shift->_die }
+EOF
+    ;
+}
+
+1;