From ea556abc81c07546c93b0e56684cea1b50328e4e Mon Sep 17 00:00:00 2001
From: Miguel Palhas <mpalhas@gmail.com>
Date: Fri, 12 Dec 2025 16:15:27 +0000
Subject: [PATCH 1/2] api: endpoint for single stack status

---
 lib/ethui/stacks/server.ex                    | 11 ++++++++++
 .../controllers/api/stack_controller.ex       | 22 +++++++++++++++++++
 2 files changed, 33 insertions(+)

diff --git a/lib/ethui/stacks/server.ex b/lib/ethui/stacks/server.ex
index ca28bf8..c46cafd 100644
--- a/lib/ethui/stacks/server.ex
+++ b/lib/ethui/stacks/server.ex
@@ -35,6 +35,12 @@ defmodule Ethui.Stacks.Server do
     GenServer.call(__MODULE__, :list)
   end
 
+  @doc "Check if a stack with the given slug is running"
+  @spec is_slug_running?(slug) :: boolean
+  def is_slug_running?(slug) do
+    GenServer.call(__MODULE__, {:is_slug_running, slug})
+  end
+
   def start(%Stack{} = stack) do
     GenServer.cast(__MODULE__, {:start, stack})
   end
@@ -92,6 +98,11 @@ defmodule Ethui.Stacks.Server do
     {:reply, Map.keys(instances), state}
   end
 
+  @impl GenServer
+  def handle_call({:is_slug_running, slug}, _from, %{instances: instances} = state) do
+    {:reply, Map.has_key?(instances, slug), state}
+  end
+
   @impl GenServer
   def handle_cast({:start, stack}, state) do
     case start_stack(stack, state) do
diff --git a/lib/ethui_web/controllers/api/stack_controller.ex b/lib/ethui_web/controllers/api/stack_controller.ex
index 1ffbfa5..3c04dba 100644
--- a/lib/ethui_web/controllers/api/stack_controller.ex
+++ b/lib/ethui_web/controllers/api/stack_controller.ex
@@ -32,6 +32,28 @@ defmodule EthuiWeb.Api.StackController do
     })
   end
 
+  def show(conn, %{"slug" => slug}) do
+    user = conn.assigns[:current_user]
+
+    with %Stack{} = stack <- Repo.get_by(Stack, slug: slug),
+         :ok <- authorize_user_access(user, stack) do
+      json(conn, %{
+        status: "success",
+        data: %{
+          slug: stack.slug,
+          urls: Stacks.get_urls(stack),
+          status: if(Server.is_slug_running?(slug), do: "running", else: "stopped")
+        }
+      })
+    else
+      nil ->
+        conn |> put_status(404) |> json(%{status: "error", error: "not found"})
+
+      {:error, :unauthorized} ->
+        conn |> put_status(403) |> json(%{status: "error", error: "unauthorized"})
+    end
+  end
+
   def create(conn, params) do
     user = conn.assigns[:current_user]
 

From ab5f636cd03958deb816f77e2bffb8a28711fb9c Mon Sep 17 00:00:00 2001
From: Miguel Palhas <mpalhas@gmail.com>
Date: Fri, 12 Dec 2025 16:22:33 +0000
Subject: [PATCH 2/2] wip

---
 server/test/ethui/stacks/server_test.exs            | 13 +++++++++++++
 .../controllers/api/stack_controller_test.exs       | 12 ++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/server/test/ethui/stacks/server_test.exs b/server/test/ethui/stacks/server_test.exs
index db70a4d..33627d6 100644
--- a/server/test/ethui/stacks/server_test.exs
+++ b/server/test/ethui/stacks/server_test.exs
@@ -40,4 +40,17 @@ defmodule Ethui.Stacks.ServerTest do
     Server.stop(stack)
     assert Server.list() |> length == 0
   end
+
+  describe "is_running?/1" do
+    test "returns true if the stack is running" do
+      stack = %Stack{id: 1, slug: "test_stack"}
+      Server.start(stack)
+      assert Server.is_running?(stack)
+    end
+
+    test "returns false if the stack is not running" do
+      stack = %Stack{id: 1, slug: "test_stack"}
+      assert not Server.is_running?(stack)
+    end
+  end
 end
diff --git a/server/test/ethui_web/controllers/api/stack_controller_test.exs b/server/test/ethui_web/controllers/api/stack_controller_test.exs
index 608bf18..924d4e0 100644
--- a/server/test/ethui_web/controllers/api/stack_controller_test.exs
+++ b/server/test/ethui_web/controllers/api/stack_controller_test.exs
@@ -198,4 +198,16 @@ defmodule EthuiWeb.Api.StackControllerTest do
       assert "public-stack2" in stack_slugs
     end
   end
+
+  describe "stacks/:slug" do
+    test "returns a stack", %{conn: conn} do
+      stack = %Stack{id: 1, slug: "test-stack"}
+      Server.start(stack)
+
+      conn = conn |> get(~p"/stacks/#{stack.slug}")
+      assert conn.status == 200
+      response_data = json_response(conn, 200)["data"]
+      assert response_data["slug"] == stack.slug
+    end
+  end
 end