bug: plan+task query producing multiple results

lib/planner/tasks.ex

@@ -38,7 +38,9 @@ defmodule Planner.Tasks do
         t in Task,
         join: pd in PlanDetail,
         on: t.id == pd.task_id,
-        where: (pd.plan_id == ^plan_id and is_nil(t.finished_at)) or t.id == ^task_id,
+        where: (pd.plan_id == ^plan_id and is_nil(t.finished_at))
+                or
+               (pd.plan_id == ^plan_id and t.id == ^task_id),
         order_by: [desc: t.updated_at]
       )
 

lib/planner_web/live/tasks_live.ex

@@ -187,7 +187,7 @@ defmodule PlannerWeb.TasksLive do
   end
 
   def handle_event("finish-task", %{"task-id" => task_id}, socket) do
-    {_, task} = Tasks.finish_task_by_id!(task_id)
+    {_, _} = Tasks.finish_task_by_id!(task_id)
     route = get_index_route(socket)
     {:noreply, push_patch(socket, to: route)}
   end