-
-
Notifications
You must be signed in to change notification settings - Fork 206
/
interval.ex
39 lines (31 loc) · 1.01 KB
/
interval.ex
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
defmodule Ash.Type.Interval do
@intervals ~w(year month week day hour minute second millisecond microsecond)a
@string_intervals Enum.map(@intervals, &to_string/1)
@string_intervals_to_interval Enum.map(@intervals, &{&1, to_string(&1)})
@moduledoc """
An interval of time, primarily meant to be used in expression functions
Valid intervals are (as strings or atoms): #{inspect(@intervals)}
"""
use Ash.Type
@impl true
def storage_type, do: :string
@impl true
def cast_input(value, _) when value in @intervals do
{:ok, value}
end
def cast_input(value, _) when value in @string_intervals do
{:ok, @string_intervals_to_interval[value]}
end
@impl true
def cast_stored(value, _) when value in @intervals do
{:ok, value}
end
def cast_stored(value, _) when value in @string_intervals do
{:ok, @string_intervals_to_interval[value]}
end
@impl true
def dump_to_native(value, _) when is_atom(value) do
{:ok, to_string(value)}
end
def dump_to_native(_, _), do: :error
end