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grizzly lib grizzly command_class door_lock operation_set.ex
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lib/grizzly/command_class/door_lock/operation_set.ex

defmodule Grizzly.CommandClass.DoorLock.OperationSet do
@moduledoc """
Command for working with DOOR_LOCK command class OPERATION_GET command
Command Options:
* `:mode` - `:secured` for locked, `:unsecured` for unlocked
* `:seq_number` - The sequence number used in the Z/IP packet
* `:retries` - The number of attempts to send the command (default 2)
"""
@behaviour Grizzly.Command
alias Grizzly.Packet
alias Grizzly.Command.{EncodeError, Encoding}
alias Grizzly.CommandClass.DoorLock
@type t :: %__MODULE__{
mode: DoorLock.door_lock_mode(),
seq_number: Grizzly.seq_number(),
retries: non_neg_integer
}
@type opt ::
{:mode, DoorLock.door_lock_mode()}
| {:seq_number, Grizzly.seq_number()}
| {:retries, non_neg_integer}
defstruct mode: nil, seq_number: nil, retries: 2
@spec init([opt]) :: {:ok, t}
def init(opts) do
command = struct(__MODULE__, opts)
{:ok, command}
end
@spec encode(t) :: {:ok, binary} | {:error, EncodeError.t()}
def encode(%__MODULE__{seq_number: seq_number} = command) do
with {:ok, encoded} <-
Encoding.encode_and_validate_args(command, %{
mode: {:encode_with, DoorLock, :encode_mode}
}) do
binary = Packet.header(seq_number) <> <<0x62, 0x01, encoded.mode>>
{:ok, binary}
end
end
@spec handle_response(t, Packet.t()) ::
{:continue, t()}
| {:done, {:error, :nack_response}}
| {:done, :ok}
| {:retry, t()}
def handle_response(%__MODULE__{seq_number: seq_number}, %Packet{
seq_number: seq_number,
types: [:ack_response]
}) do
{:done, :ok}
end
def handle_response(%__MODULE__{seq_number: seq_number, retries: 0}, %Packet{
seq_number: seq_number,
types: [:nack_response]
}) do
{:done, {:error, :nack_response}}
end
def handle_response(%__MODULE__{seq_number: seq_number, retries: n} = command, %Packet{
seq_number: seq_number,
types: [:nack_response]
}) do
{:retry, %{command | retries: n - 1}}
end
def handle_response(command, _), do: {:continue, command}
end