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mazurka
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hypermedia api toolkit
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lib/mazurka/runtime.ex
defmodule Mazurka.Runtime do
def raise([exception], _conn, _parent, _ref, _attrs) do
{:error, exception}
end
def put_status([status], conn, _parent, _ref, _attrs) do
## TODO potentially add support for more than just HTTP statuses
status = Plug.Conn.Status.code(status)
{:ok, status, %{conn | status: status}}
end
def get_mediatype(context) do
Dict.get(context.private, :mazurka_mediatype, {nil, nil, nil})
end
def put_mediatype(%{private: private} = context, module, value) do
private = private
|> Dict.put(:mazurka_mediatype, value)
|> Dict.put(:mazurka_mediatype_handler, module)
%{context | private: private}
end
def get_param(list, name) when is_list(list) do
name = name |> to_string()
find_key(list, name)
end
def get_param(map, name) when is_map(map) do
map
|> :maps.to_list()
|> get_param(name)
end
def get_param(params, _) when params in [nil, :undefined] do
:undefined
end
defp find_key([], _) do
:undefined
end
defp find_key([{key, value} | rest], name) do
if to_string(key) == name do
value
else
find_key(rest, name)
end
end
end