web/controllers/radar_controller.ex

   1 defmodule TechRadarEditor.RadarController do
   2   use TechRadarEditor.Web, :controller
   3
   4   alias TechRadarEditor.RadarDataPoint
   5
   6   def _make_quadrants(radar_data_points) do
   7       List.foldl(radar_data_points,
   8                  %{1 => [], 2 => [], 3 => [], 4 => []},
   9                  fn(p, acc) -> %{acc | p.quadrant => acc[p.quadrant] ++ [p]} end
  10                  )
  11   end
  12
  13   # http://www.cultivatehq.com/posts/how-to-set-different-layouts-in-phoenix/
  14   def index(conn, _params) do
  15     changeset = RadarDataPoint.changeset(%RadarDataPoint{})
  16     radar_quadrants = _make_quadrants(Repo.all(RadarDataPoint))
  17     render conn, "index.html", radar_quadrants: radar_quadrants, changeset: changeset, layout: {TechRadarEditor.LayoutView, "radar.html"}
  18   end
  19
  20   def create(conn, %{"radar_data_point" => radar_data_point_params}) do
  21     changeset = RadarDataPoint.changeset(%RadarDataPoint{}, radar_data_point_params)
  22
  23     case Repo.insert(changeset) do
  24       {:ok, _radar_data_point} ->
  25         conn
  26         |> put_flash(:info, "Radar data point created successfully.")
  27         |> redirect(to: radar_path(conn, :index), layout: {TechRadarEditor.LayoutView, "radar.html"} )
  28       {:error, changeset} ->
  29         render(conn, "new.html", changeset: changeset)
  30     end
  31   end
  32
  33   def delete(conn, %{"id" => id}) do
  34       radar_data_point = Repo.get!(RadarDataPoint, id)
  35       Repo.delete!(radar_data_point)
  36
  37       conn
  38       |> put_flash(:info, "Radar data point " <> id <> " successfully deleted.")
  39       |> redirect(to: radar_path(conn, :index), layout: {TechRadarEditor.LayoutView, "radar.html"} )
  40   end
  41
  42 end