[recipes] Randomize the pick selection

[Matthias Clasen <matthiasc src gnome org>]

commit 4611d78190d2edbdc756ccc378d4f08e91025c64
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Jan 18 06:27:17 2017 -0500

    Randomize the pick selection
    
    We lost this at some point; it is a bit boring to see the
    same picks every time, so scramble the list to let us
    see different picks.

 src/gr-recipes-page.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)
---
diff --git a/src/gr-recipes-page.c b/src/gr-recipes-page.c
index 989877e..ffddb71 100644
--- a/src/gr-recipes-page.c
+++ b/src/gr-recipes-page.c
@@ -295,6 +295,18 @@ populate_recipes_from_store (GrRecipesPage *self)
         store = gr_app_get_recipe_store (GR_APP (g_application_get_default ()));
 
         keys = gr_recipe_store_get_recipe_keys (store, &length);
+
+        /* scramble the keys so we don't always get the same picks */
+        for (i = 0; i < length; i++) {
+                int r;
+
+                r = g_random_int_range (0, length);
+
+                tmp = keys[i];
+                keys[i] = keys[r];
+                keys[r] = tmp;
+        }
+
         todays = 0;
         picks = 0;
         shopping = 0;