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lib/zoeyscomputer_web/live/gist_live/index.ex

@@ -11,7 +11,8 @@ defmodule ZoeyscomputerWeb.GistLive.Index do
 
   @impl true
   def handle_params(params, _url, socket) do
-    {:noreply, apply_action(socket, socket.assigns.live_action, params)}
+    live_action = socket.assigns.live_action || :index
+    {:noreply, apply_action(socket, live_action, params)}
   end
 
   defp apply_action(socket, :edit, %{"id" => id}) do
@@ -23,7 +24,16 @@ defmodule ZoeyscomputerWeb.GistLive.Index do
   defp apply_action(socket, :new, _params) do
     socket
     |> assign(:page_title, "New Gist")
-    |> assign(:gist, %Gist{})
+    |> assign(:gist, %Gist{
+      code: "",
+      lang: nil
+    })
+  end
+
+  defp apply_action(socket, :show, %{"id" => id}) do
+    socket
+    |> assign(:page_title, "Show Gist")
+    |> assign(:gist, Gists.get_gist!(id))
   end
 
   defp apply_action(socket, :index, _params) do
@@ -32,6 +42,13 @@ defmodule ZoeyscomputerWeb.GistLive.Index do
     |> assign(:gist, nil)
   end
 
+  # Catch-all clause for when live_action is nil
+  defp apply_action(socket, nil, _params) do
+    socket
+    |> assign(:page_title, "Listing Gists")
+    |> assign(:gist, nil)
+  end
+
   @impl true
   def handle_info({ZoeyscomputerWeb.GistLive.FormComponent, {:saved, gist}}, socket) do
     {:noreply, stream_insert(socket, :gists, gist)}