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maru
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0.2.5
REST-like API micro-framework for elixir inspired by grape.
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lib/maru/builder/methods.ex
defmodule Maru.Builder.Methods do
@moduledoc """
Method DSLs for parsing router.
"""
alias Maru.Struct.Resource
alias Maru.Struct.Parameter
alias Maru.Struct.Endpoint
alias Maru.Struct.Route
alias Maru.Struct.Plug, as: MaruPlug
alias Maru.Builder.Path, as: MaruPath
@methods [:get, :post, :put, :patch, :delete, :head, :options]
for method <- @methods do
@doc "Handle #{method} method."
defmacro unquote(method)(path \\ "", [do: block]) do
%{ method: unquote(method) |> to_string |> String.upcase,
path: path |> MaruPath.split,
block: block |> Macro.escape,
} |> endpoint
end
end
@doc "Handle all method."
defmacro match(path \\ "", [do: block]) do
%{ method: Macro.var(:_, nil) |> Macro.escape,
path: path |> MaruPath.split,
block: block |> Macro.escape,
} |> endpoint
end
defp endpoint(ep) do
quote do
resource = Resource.snapshot
version =
if is_nil(resource.version) do
[] else [{:version}]
end
@endpoints %Endpoint{
func_id: @func_id,
block: unquote(ep.block)
}
@routes %Route{
desc: @desc,
method: unquote(ep.method),
version: resource.version,
path: version ++ resource.path ++ unquote(ep.path),
parameters: resource.parameters ++ Parameter.pop,
helpers: resource.helpers,
plugs: MaruPlug.merge(resource.plugs, MaruPlug.pop),
module: __MODULE__,
func_id: @func_id,
mount_link: [__MODULE__],
}
@desc nil
@func_id @func_id + 1
end
end
end