Add simple filter to /feeds

Author: cruessler

lib/ex_rss_web/feed_live/index.ex

@@ -17,13 +17,21 @@ defmodule ExRssWeb.FeedLive.Index do
       |> assign(:current_user, current_user)
       |> assign(:form, to_form(%{}))
       |> assign(:discovered_feeds, [])
+      |> assign(:filter, :all)
       |> assign_feeds()
 
     {:ok, socket}
   end
 
   @impl true
-  def handle_params(_params, _url, socket) do
+  def handle_params(params, _url, socket) do
+    socket =
+      case params["filter"] do
+        "unread" -> assign(socket, :filter, :unread)
+        _ -> assign(socket, :filter, :all)
+      end
+      |> assign_feeds(reset: true)
+
     {:noreply, socket}
   end
 
@@ -74,6 +82,12 @@ defmodule ExRssWeb.FeedLive.Index do
     number_of_feeds_with_error =
       feeds |> Enum.count(& &1.has_error)
 
+    feeds =
+      case socket.assigns.filter do
+        :unread -> feeds |> Enum.filter(&(&1.unread_entries_count > 0))
+        :all -> feeds
+      end
+
     socket
     |> assign(:page_title, "#{number_of_unread_entries} unread")
     |> assign(:newest_unread_entry, newest_unread_entry)

lib/ex_rss_web/feed_live/index.html.heex

@@ -65,10 +65,12 @@
 
 <ul class="my-2 flex flex-wrap gap-x-2 gap-y-2">
   <li class="inline-block px-3 py-1 border rounded-full border-blue-500 bg-blue-200">
-    {@number_of_unread_entries + @number_of_read_entries} entries
+    <.link patch={~p"/feeds?filter=all"}>
+      {@number_of_unread_entries + @number_of_read_entries} entries
+    </.link>
   </li>
   <li class="inline-block px-3 py-1 border rounded-full border-lime-400 bg-lime-100">
-    {@number_of_unread_entries} unread
+    <.link patch={~p"/feeds?filter=unread"}>{@number_of_unread_entries} unread</.link>
   </li>
   <li
     :if={@number_of_feeds_with_error > 0}