[recipes] gr-recipe-store api to get and save all the cuisines

[Matthias Clasen <matthiasc src gnome org>]

commit f5cb9608cccb4a71f52243d218c6f79c062cd494
Author: Ekta Nandwani <mailnandwaniekta gmail com>
Date:   Mon Mar 20 14:43:21 2017 +0530

    gr-recipe-store api to get and save all the cuisines
    
    It checks if the cuisine is already present in the hashtable else inserts it
    
    https://bugzilla.gnome.org/show_bug.cgi?id=779618

 src/gr-recipe-store.c |   21 +++++++++++++++++++++
 src/gr-recipe-store.h |    2 ++
 2 files changed, 23 insertions(+), 0 deletions(-)
---
diff --git a/src/gr-recipe-store.c b/src/gr-recipe-store.c
index 58932c4..e62c5ad 100644
--- a/src/gr-recipe-store.c
+++ b/src/gr-recipe-store.c
@@ -1179,6 +1179,27 @@ gr_recipe_store_get_contributors (GrRecipeStore *self,
         return (char **)g_hash_table_get_keys_as_array (chefs, length);
 }
 
+char **
+gr_recipe_store_get_all_cuisines (GrRecipeStore *self,
+                                  guint *length )
+{
+        GHashTableIter iter;
+        GrRecipe *recipe;
+        g_autoptr (GHashTable) cuisines = NULL;
+
+        cuisines = g_hash_table_new (g_str_hash, g_str_equal);
+
+        g_hash_table_iter_init (&iter, self->recipes);
+        while (g_hash_table_iter_next (&iter, NULL, (gpointer *) &recipe)) {
+                if(! (g_hash_table_contains (cuisines, gr_recipe_get_cuisine (recipe)))) {
+                        g_hash_table_insert (cuisines,
+                                             (gpointer) (gr_recipe_get_cuisine (recipe)),
+                                             (gpointer) (gr_recipe_get_cuisine (recipe)));
+                }
+        }
+        return (char **) g_hash_table_get_keys_as_array (cuisines, length);
+}
+
 const char *
 gr_recipe_store_get_user_key (GrRecipeStore *self)
 {
diff --git a/src/gr-recipe-store.h b/src/gr-recipe-store.h
index cde8700..f162583 100644
--- a/src/gr-recipe-store.h
+++ b/src/gr-recipe-store.h
@@ -117,6 +117,8 @@ gboolean        gr_recipe_store_has_cuisine         (GrRecipeStore  *self,
                                                      const char     *cuisine);
 char **         gr_recipe_store_get_contributors    (GrRecipeStore *self,
                                                      guint         *length);
+char **         gr_recipe_store_get_all_cuisines    (GrRecipeStore *store,
+                                                     guint *length);
 
 #define GR_TYPE_RECIPE_SEARCH (gr_recipe_search_get_type())