adds karma update for users

Author: elixirprogrammer

lib/reddit/category/community.ex

@@ -34,4 +34,5 @@ defmodule Reddit.Category.Community do
   defp clean_name(name) do
     name |> String.split |> Enum.join
   end
+
 end

lib/reddit/users/user.ex

@@ -5,6 +5,7 @@ defmodule Reddit.Users.User do
     extensions: [PowResetPassword]
 
   import Ecto.Changeset
+  import Ecto.Query, only: [from: 2]
 
   alias Reddit.Users.User
   alias Reddit.Repo
@@ -41,4 +42,9 @@ defmodule Reddit.Users.User do
   def profile(param) do
     Repo.get_by(User, username: param)
   end
+
+  def karma_update(user_id, k) do
+    from(u in User, update: [inc: [karma: ^k]], where: u.id == ^user_id)
+    |> Repo.update_all([])
+  end
 end

lib/reddit_web/controllers/community_controller.ex

@@ -3,6 +3,7 @@ defmodule RedditWeb.CommunityController do
 
   alias Reddit.Category
   alias Reddit.Category.Community
+  alias Reddit.Users.User
 
   def index(conn, _params) do
     communities = Category.list_communities()
@@ -20,6 +21,8 @@ defmodule RedditWeb.CommunityController do
 
     case Category.create_community(conn.assigns.current_user, community) do
       {:ok, community} ->
+        User.karma_update(conn.assigns.current_user.id, 1)
+
         conn
         |> put_flash(:info, "Community created successfully.")
         |> redirect(to: Routes.community_path(conn, :show, community.name))

lib/reddit_web/templates/layout/root.html.eex

@@ -30,7 +30,7 @@
                 </div>
 
                 <div class="karma float-left mt-2 mr-2">
-                  0
+                  <%= @current_user.karma %>
                   <span class="fa fa-star text-warning"></span>
                 </div>
               <% else %>