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defmodule Irc.Line do
@type t :: %__MODULE__{
tags: Map.t(),
source: Irc.Mask.t() | String.t() | nil,
command: String.t(),
args: list()
}
defstruct __private__: %{}, tags: %{}, source: nil, command: nil, args: []
def new(command) do
new(command, [])
end
def new(command, args) do
new(command, args, %{})
end
def new(command, arg, tags) when not is_list(arg) do
new(command, [arg], tags)
end
def new(command, args, tags) do
%__MODULE__{command: command, args: args, tags: tags, __private__: %{at: DateTime.utc_now()}}
end
@doc "Returns the line date (server time if sent, otherwise, parse time)"
@spec at(t()) :: DateTime.t()
def at(%__MODULE__{__private__: %{at: at}, tags: %{"time" => server_time}}) do
case DateTime.from_iso8601(server_time) do
{:ok, date} -> date
_ -> at
end
end
def at(%__MODULE__{__private__: %{at: at}}), do: at
def at(_), do: nil
@spec to?(t(), Irc.Addressable.t()) :: boolean
@doc "Returns true if the line is adressed to the connection."
def to?(%__MODULE__{args: [nick | _]}, addressable) do
Irc.Addressable.nick(addressable) == nick
end
@spec self?(t(), Irc.Addressable.t()) :: boolean
@doc "Returns true if the line source is the from the given connection/mask."
def self?(%__MODULE__{source: nick}, addressable) when is_binary(nick) do
Irc.Addressable.nick(addressable) == nick
end
def self?(%__MODULE__{source: source_addressable}, addressable) do
Irc.Addressable.equal?(source_addressable, addressable)
end
defimpl String.Chars, for: __MODULE__ do
def to_string(line) do
Irc.Parser.Line.encode(line)
end
end
defimpl Inspect, for: __MODULE__ do
@moduledoc false
import Inspect.Algebra
def inspect(struct, _opts) do
tags = Enum.map(struct.tags, fn({k, v}) -> concat([k, "=", v]) end) |> Enum.join(",")
Enum.join(["#IRC.Line<", struct.source, " ", struct.command, " ", inspect(struct.args), " (", tags, ")>"], "")
end
end
end
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