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maru
0.10.2
0.14.0-pre.1
0.13.2
0.13.1
0.13.0
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0.12.4
0.12.3
0.12.2
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0.12.0
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0.10.6
0.10.5
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0.10.1
0.10.0
0.9.6
0.9.5
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0.8.2
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0.7.0
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0.5.1
0.5.0
0.4.1
0.4.0
0.3.1
0.3.0
0.2.10
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0.2.7
0.2.6
0.2.5
REST-like API micro-framework for elixir inspired by grape.
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Files
lib/maru/validations.ex
defmodule Maru.Validations do
defmodule Regexp do
@moduledoc """
Param Validator: check whether param and regexp matched.
"""
@doc false
def validate_param!(attr_name, value, option) do
value |> to_string =~ option ||
Maru.Exceptions.Validation |> raise([param: attr_name, validator: :regexp, value: value, option: option])
end
end
defmodule Values do
@moduledoc """
Param Validator: check whether param in list or range.
"""
@doc false
def validate_param!(attr_name, value, option) do
value in option ||
Maru.Exceptions.Validation |> raise([param: attr_name, validator: :values, value: value, option: option])
end
end
defmodule AllowBlank do
@moduledoc """
Param Validator: check whether black value is illegal.
"""
@doc false
def validate_param!(_, _, true), do: true
def validate_param!(attr_name, value, false) do
not value in [nil, "", ''] ||
Maru.Exceptions.Validation |> raise([param: attr_name, validator: :allow_blank, value: value, option: false])
end
end
defmodule MutuallyExclusive do
@moduledoc """
Param Validator: raise when exclusive params present at the same time.
"""
@doc false
def validate!(attr_names, params) do
unless Enum.count(attr_names, &(not is_nil(params[&1]))) <= 1 do
Maru.Exceptions.Validation |> raise([param: attr_names, validator: :mutually_exclusive, value: params])
end
true
end
end
defmodule ExactlyOneOf do
@moduledoc """
Param Validator: make sure only one of designated params present.
"""
@doc false
def validate!(attr_names, params) do
unless Enum.count(attr_names, &(not is_nil(params[&1]))) == 1 do
Maru.Exceptions.Validation |> raise([param: attr_names, validator: :exactly_one_of, value: params])
end
true
end
end
defmodule AtLeastOneOf do
@moduledoc """
Param Validator: make sure at least one of designated params present.
"""
@doc false
def validate!(attr_names, params) do
unless Enum.count(attr_names, &(not is_nil(params[&1]))) >= 1 do
Maru.Exceptions.Validation |> raise([param: attr_names, validator: :at_least_one_of, value: params])
end
true
end
end
end