lib/workbench_web/view_helpers/search_query_helper.ex
defmodule WorkbenchWeb.ViewHelpers.SearchQueryHelper do
def assign_search_query(conn, params) do
query = extract_query(params, conn)
Phoenix.LiveView.assign(conn, :query, query)
end
defp extract_query(params, conn) do
case Map.get(params, "query") do
"" -> nil
nil -> conn.assigns.query
query -> query
end
end
end