Fix warnings

lib/frenzy_web/controllers/account_controller.ex

@@ -1,7 +1,6 @@
 defmodule FrenzyWeb.AccountController do
   use FrenzyWeb, :controller
   alias Frenzy.{Repo, User, FervorClient}
-  alias FrenzyWeb.Router.Helpers, as: Routes
   alias FrenzyWeb.Endpoint
 
   def show(conn, _params) do
@@ -42,7 +41,7 @@ defmodule FrenzyWeb.AccountController do
           ^confirm ->
             changeset = User.change_password_changeset(user, %{password: new})
 
-            {:ok, user} = Repo.update(changeset)
+            {:ok, _user} = Repo.update(changeset)
 
             conn
             |> put_flash(:info, "Password changed.")
@@ -80,7 +79,7 @@ defmodule FrenzyWeb.AccountController do
         fever_password: new
       })
 
-    {:ok, user} = Repo.update(changeset)
+    {:ok, _user} = Repo.update(changeset)
 
     conn
     |> put_flash(:info, "Fever password changed.")

lib/frenzy_web/controllers/feed_controller.ex

@@ -1,7 +1,6 @@
 defmodule FrenzyWeb.FeedController do
   use FrenzyWeb, :controller
   alias Frenzy.{Repo, Group, Feed, Item, Pipeline, Paginator}
-  alias FrenzyWeb.Router.Helpers, as: Routes
   alias FrenzyWeb.Endpoint
   import Ecto.Query
 

lib/frenzy_web/controllers/fervor/items_controller.ex

@@ -1,6 +1,6 @@
 defmodule FrenzyWeb.Fervor.ItemsController do
   use FrenzyWeb, :controller
-  alias Frenzy.{Repo, FervorClient, Group, Feed, Filter, Item}
+  alias Frenzy.{Repo, Item}
   import Ecto.Query
   alias FrenzyWeb.Fervor.Paginator
 

lib/frenzy_web/controllers/fervor/oauth_controller.ex

@@ -1,7 +1,6 @@
 defmodule FrenzyWeb.Fervor.OauthController do
   use FrenzyWeb, :controller
   alias Frenzy.{Repo, FervorClient, User, ApprovedClient}
-  alias FrenzyWeb.Router.Helpers, as: Routes
   alias FrenzyWeb.Endpoint
 
   def authorize_get(conn, params) do

lib/frenzy_web/controllers/fervor/paginator.ex

@@ -1,18 +1,15 @@
 defmodule FrenzyWeb.Fervor.Paginator do
   import Ecto.Query
 
-  def paginate(query, %{"max_id" => max_id} = params) do
-    limit = Map.get(params, "limit", 20)
+  def paginate(query, %{"max_id" => max_id}) do
     from(o in query, where: o.id < ^max_id, order_by: [desc: :id])
   end
 
-  def paginate(query, %{"min_id" => min_id} = params) do
-    limit = Map.get(params, "limit", 20)
+  def paginate(query, %{"min_id" => min_id}) do
     from(o in query, where: o.id > ^min_id, order_by: [asc: :id])
   end
 
-  def paginate(query, %{"since_id" => since_id} = params) do
-    limit = Map.get(params, "limit", 20)
+  def paginate(query, %{"since_id" => since_id}) do
     from(o in query, where: o.id > ^since_id, order_by: [desc: :id])
   end
 

lib/frenzy_web/controllers/group_controller.ex

@@ -1,7 +1,6 @@
 defmodule FrenzyWeb.GroupController do
   use FrenzyWeb, :controller
   alias Frenzy.{Repo, Group, Feed, Item, Paginator}
-  alias FrenzyWeb.Router.Helpers, as: Routes
   alias FrenzyWeb.Endpoint
   import Ecto.Query
 

lib/frenzy_web/controllers/item_controller.ex

@@ -1,7 +1,6 @@
 defmodule FrenzyWeb.ItemController do
   use FrenzyWeb, :controller
-  alias Frenzy.{Repo, Feed, Item}
-  alias FrenzyWeb.Router.Helpers, as: Routes
+  alias Frenzy.{Repo, Item}
   alias FrenzyWeb.Endpoint
 
   plug :user_owns_item

lib/frenzy_web/controllers/login_controller.ex

@@ -1,9 +1,7 @@
 defmodule FrenzyWeb.LoginController do
   use FrenzyWeb, :controller
   alias Frenzy.{Repo, User}
-  alias FrenzyWeb.Router.Helpers, as: Routes
   alias FrenzyWeb.Endpoint
-  import Ecto.Query
 
   def login(conn, params) do
     render(conn, "login.html", %{
@@ -29,7 +27,7 @@ defmodule FrenzyWeb.LoginController do
     end
   end
 
-  def logout(conn, params) do
+  def logout(conn, _params) do
     conn
     |> put_flash(:info, "Logged out.")
     |> clear_session()

lib/frenzy_web/controllers/pipeline_controller.ex

@@ -1,7 +1,6 @@
 defmodule FrenzyWeb.PipelineController do
   use FrenzyWeb, :controller
   alias Frenzy.{Repo, Pipeline}
-  alias FrenzyWeb.Router.Helpers, as: Routes
   alias FrenzyWeb.Endpoint
   import Ecto.Query
 

lib/frenzy_web/templates/account/show.html.eex

@@ -12,7 +12,7 @@
       <% end %>
     </li>
     <li class="list-group-item">
-      <%= form_for @conn, Routes.account_path(@conn, :export), [method: :post, class: "mt-2"], fn f -> %>
+      <%= form_for @conn, Routes.account_path(@conn, :export), [method: :post, class: "mt-2"], fn _f -> %>
         <%= submit "Export OPML", class: "btn btn-primary" %>
       <% end %>
     </li>

lib/frenzy_web/views/layout_view.ex

@@ -1,6 +1,6 @@
 defmodule FrenzyWeb.LayoutView do
   use FrenzyWeb, :view
-  alias Frenzy.{Repo, Group, Feed}
+  alias Frenzy.{Repo, Group}
   import Ecto.Query
 
   def user_groups(user) do