rummage_phoenix

defmodule Rummage.Phoenix.SearchView do
  @moduledoc """
  Search View Module for Rummage. This has view helpers that can generate rummagable links and forms.
  """

  defmacro __using__(opts) do
    quote do
      def search_form(conn, fields, rummage) do
        search = rummage["search"]
        sort = if rummage["sort"], do: Poison.encode!(rummage["sort"]), else: ""
        paginate = if rummage["paginate"], do: Poison.encode!(rummage["paginate"]), else: ""

        form_for(conn, apply(unquote(opts[:helper]), String.to_atom("#{unquote(opts[:struct])}_path"), [conn, :search]), [as: :rummage], fn(f) ->
          {:safe,
            elem(hidden_input(f, :sort, value: sort, class: "form-control"), 1) ++
            elem(hidden_input(f, :paginate, value: paginate, class: "form-control"), 1) ++
            inner_form(f, fields, search) ++
            elem(submit("Search", class: "btn btn-primary"), 1)
          }
        end)
      end

      defp inner_form(f, fields, search) do
        Enum.map(fields, fn(field) ->
            elem(label(f, field, "Search by #{Atom.to_string(field) |> Macro.camelize}", class: "control-label"), 1) ++
            elem(text_input(f, field, value: search[Atom.to_string(field)], class: "form-control"), 1)
        end) |> Enum.reduce([], & &2 ++ &1)
      end
    end
  end
end