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zoi
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Zoi is a schema validation library for Elixir, designed to provide a simple and flexible way to define and validate data.
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lib/zoi/types/date.ex
defmodule Zoi.Types.Date do
@moduledoc false
use Zoi.Type.Def, fields: [coerce: false]
def new(opts \\ []) do
opts = Keyword.merge([coerce: false], opts)
apply_type(opts)
end
defimpl Zoi.Type do
def parse(_schema, %Date{} = input, _opts) do
{:ok, input}
end
def parse(schema, input, opts) do
coerce = Keyword.get(opts, :coerce, schema.coerce)
case coerce do
true -> coerce(schema, input)
_false -> error(schema)
end
end
defp coerce(schema, input) when is_binary(input) do
case Date.from_iso8601(input) do
{:error, _reason} ->
error(schema)
{:ok, parsed} ->
{:ok, parsed}
end
end
defp coerce(_schema, input) when is_integer(input) do
{:ok, Date.from_gregorian_days(input)}
end
defp coerce(schema, _input) do
error(schema)
end
defp error(schema) do
{:error, Zoi.Error.invalid_type(:date, error: schema.meta.error)}
end
def type_spec(_schema, _opts) do
quote(do: Date.t())
end
end
defimpl Inspect do
def inspect(type, opts) do
Zoi.Inspect.inspect_type(type, opts)
end
end
end