Added JSON API for biddings. (Only listing all biddings is supported)

lib/beet_round_server_web/controllers/bidding_json.ex

@@ -0,0 +1,28 @@
+defmodule BeetRoundServerWeb.BiddingJSON do
+  alias BeetRoundServer.Biddings.Bidding
+
+  @doc """
+  Renders a list of biddings.
+  """
+  def index(%{biddings: biddings}) do
+    %{data: for(bidding <- biddings, do: data(bidding))}
+  end
+
+  @doc """
+  Renders a single bidding.
+  """
+  def show(%{bidding: bidding}) do
+    %{data: data(bidding)}
+  end
+
+  defp data(%Bidding{} = bidding) do
+    %{
+      user_id: bidding.user_id,
+      id: bidding.id,
+      bidding_round: bidding.bidding_round,
+      amount: bidding.amount,
+      depot_wish_one: bidding.depot_wish_one,
+      depot_wish_two: bidding.depot_wish_two
+    }
+  end
+end