[gnome-games] core: Add Description & Rating

[Adrien Plazas <aplazas src gnome org>]

commit 30a5cb323e9630d09411a5e0757dcbb7251a1740
Author: 1PunMan <saurabhsingh412 gmail com>
Date:   Sat Apr 14 23:32:35 2018 +0530

    core: Add Description & Rating
    
    These will be used in a subsequent commit to create a generic game storing its
     description and rating source.

 src/core/description.vala | 7 +++++++
 src/core/rating.vala      | 7 +++++++
 src/meson.build           | 2 ++
 3 files changed, 16 insertions(+)
---
diff --git a/src/core/description.vala b/src/core/description.vala
new file mode 100644
index 00000000..69058c8a
--- /dev/null
+++ b/src/core/description.vala
@@ -0,0 +1,7 @@
+// This file is part of GNOME Games. License: GPL-3.0+.
+
+public interface Games.Description : Object {
+       public signal void changed ();
+
+       public abstract string get_description ();
+}
diff --git a/src/core/rating.vala b/src/core/rating.vala
new file mode 100644
index 00000000..88313378
--- /dev/null
+++ b/src/core/rating.vala
@@ -0,0 +1,7 @@
+// This file is part of GNOME Games. License: GPL-3.0+.
+
+public interface Games.Rating : Object {
+       public signal void changed ();
+
+       public abstract float get_rating ();
+}
diff --git a/src/meson.build b/src/meson.build
index f0ac6c33..f764c4d5 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -16,6 +16,7 @@ vala_sources = [
 
   'core/cooperative.vala',
   'core/cover.vala',
+  'core/description.vala',
   'core/developer.vala',
   'core/game.vala',
   'core/game-callback.vala',
@@ -34,6 +35,7 @@ vala_sources = [
   'core/plugin-register-iterator.vala',
   'core/plugin-registrar.vala',
   'core/publisher.vala',
+  'core/rating.vala',
   'core/release-date.vala',
   'core/runner.vala',
   'core/title.vala',