Packages
ash
3.14.1
3.29.3
3.29.2
3.29.1
3.29.0
3.28.0
3.27.8
3.27.7
3.27.6
3.27.5
3.27.4
3.27.3
3.27.2
3.27.1
3.27.0
3.26.0
3.25.2
3.25.1
3.25.0
retired
3.24.7
3.24.6
3.24.5
3.24.4
3.24.3
3.24.2
3.24.1
3.24.0
3.23.1
3.23.0
3.22.2
3.22.1
3.22.0
3.21.3
3.21.2
3.21.1
3.21.0
3.20.0
3.19.3
3.19.2
3.19.1
3.19.0
3.18.0
3.17.1
3.17.0
3.16.0
3.15.0
3.14.1
3.14.0
retired
3.13.2
3.13.1
3.13.0
3.12.0
3.11.3
3.11.2
3.11.1
3.11.0
3.10.1
3.10.0
3.9.0
3.8.0
3.7.6
3.7.5
3.7.4
3.7.3
3.7.2
3.7.1
3.7.0
retired
3.6.3
retired
3.6.2
3.6.1
3.6.0
3.5.43
3.5.42
3.5.41
3.5.40
3.5.39
3.5.38
3.5.37
3.5.36
3.5.35
3.5.34
3.5.33
3.5.32
3.5.31
3.5.30
3.5.29
3.5.28
3.5.27
3.5.26
3.5.25
3.5.24
3.5.23
3.5.22
3.5.21
3.5.20
3.5.19
3.5.18
3.5.17
3.5.16
3.5.15
3.5.14
3.5.13
3.5.12
3.5.11
3.5.10
3.5.9
3.5.8
3.5.7
3.5.6
3.5.5
3.5.4
3.5.3
3.5.2
3.5.1
3.5.0
3.4.74
retired
3.4.73
3.4.72
3.4.71
3.4.70
3.4.69
3.4.68
3.4.67
3.4.66
3.4.65
3.4.64
3.4.63
3.4.62
3.4.61
3.4.60
3.4.59
3.4.58
3.4.57
3.4.56
3.4.55
3.4.54
3.4.53
3.4.52
3.4.51
3.4.50
3.4.49
3.4.48
3.4.47
3.4.46
3.4.45
3.4.44
3.4.43
3.4.42
3.4.41
3.4.40
3.4.39
3.4.38
3.4.37
3.4.36
3.4.35
3.4.34
3.4.33
3.4.32
3.4.31
3.4.30
3.4.29
3.4.28
3.4.27
3.4.26
3.4.25
3.4.24
3.4.23
3.4.22
3.4.21
3.4.20
3.4.19
3.4.18
3.4.17
3.4.16
3.4.15
3.4.14
3.4.13
3.4.12
3.4.11
3.4.10
3.4.9
3.4.8
3.4.7
3.4.6
3.4.5
3.4.4
3.4.3
3.4.2
3.4.1
3.4.0
3.3.3
3.3.2
3.3.1
3.3.0
3.2.6
3.2.5
3.2.4
3.2.3
3.2.2
3.2.1
3.2.0
3.1.8
3.1.7
3.1.6
3.1.5
3.1.4
3.1.3
3.1.2
3.1.1
3.1.0
3.0.16
3.0.15
3.0.14
3.0.13
3.0.12
3.0.11
3.0.10
3.0.9
3.0.8
3.0.7
3.0.6
3.0.5
3.0.4
3.0.3
3.0.2
3.0.1
3.0.0
3.0.0-rc.46
3.0.0-rc.45
3.0.0-rc.44
3.0.0-rc.43
3.0.0-rc.42
3.0.0-rc.41
3.0.0-rc.40
3.0.0-rc.39
3.0.0-rc.38
3.0.0-rc.37
3.0.0-rc.36
3.0.0-rc.35
3.0.0-rc.34
3.0.0-rc.33
3.0.0-rc.32
3.0.0-rc.31
3.0.0-rc.29
3.0.0-rc.28
3.0.0-rc.27
3.0.0-rc.26
3.0.0-rc.25
3.0.0-rc.24
3.0.0-rc.23
3.0.0-rc.22
3.0.0-rc.21
3.0.0-rc.20
3.0.0-rc.19
3.0.0-rc.18
3.0.0-rc.17
3.0.0-rc.16
3.0.0-rc.15
3.0.0-rc.14
3.0.0-rc.13
3.0.0-rc.12
3.0.0-rc.11
3.0.0-rc.10
3.0.0-rc.9
3.0.0-rc.8
3.0.0-rc.7
3.0.0-rc.6
3.0.0-rc.5
3.0.0-rc.4
3.0.0-rc.3
3.0.0-rc.1
3.0.0-rc.0
2.21.15
2.21.14
2.21.13
2.21.12
2.21.11
2.21.10
2.21.9
2.21.8
2.21.7
2.21.6
2.21.5
2.21.4
2.21.3
2.21.2
2.21.1
2.21.0
2.20.3
2.20.2
2.20.1
2.20.0
2.19.14
2.19.13
2.19.12
2.19.11
2.19.10
2.19.9
2.19.8
2.19.7
2.19.6
2.19.5
2.19.4
2.19.3
retired
2.19.2
retired
2.19.1
retired
2.19.0
retired
2.18.2
2.18.1
2.18.0
2.17.24
2.17.23
2.17.22
2.17.21
2.17.20
2.17.19
2.17.18
2.17.17
2.17.16
2.17.15
2.17.14
2.17.13
2.17.12
2.17.11
2.17.10
2.17.9
2.17.8
2.17.7
2.17.6
2.17.5
2.17.4
2.17.3
2.17.2
2.17.1
2.17.0
2.16.1
2.16.0
2.15.20
2.15.19
2.15.18
2.15.17
2.15.16
2.15.15
2.15.14
2.15.13
2.15.12
2.15.11
2.15.10
2.15.9
2.15.8
2.15.7
2.15.6
2.15.5
2.15.4
2.15.2
2.15.1
2.15.0
2.14.21
2.14.20
2.14.19
2.14.18
2.14.17
2.14.16
2.14.15
2.14.14
2.14.13
2.14.12
2.14.11
2.14.10
2.14.9
2.14.8
2.14.7
2.14.6
2.14.5
2.14.4
2.14.3
2.14.2
2.14.1
2.14.0
2.13.4
retired
2.13.3
2.13.2
2.13.1
2.13.0
2.12.1
2.12.0
2.11.11
2.11.10
2.11.9
2.11.8
2.11.7
2.11.6
2.11.5
2.11.4
2.11.3
2.11.2
2.11.1
2.11.0
2.11.0-rc.3
2.11.0-rc.2
2.11.0-rc.1
2.11.0-rc.0
2.10.2
2.10.1
2.10.0
2.9.29
2.9.28
2.9.27
2.9.26
2.9.25
2.9.24
2.9.23
2.9.22
2.9.21
2.9.20
2.9.19
2.9.18
2.9.17
2.9.16
2.9.15
2.9.14
2.9.13
2.9.12
2.9.11
2.9.10
2.9.9
2.9.8
2.9.7
2.9.6
2.9.5
2.9.4
2.9.3
2.9.2
2.9.1
2.9.0
2.8.1
2.8.0
2.7.1
2.7.0
2.6.31
2.6.30
2.6.29
2.6.28
2.6.27
2.6.26
2.6.25
2.6.24
2.6.23
2.6.22
2.6.21
2.6.20
2.6.19
2.6.18
2.6.17
2.6.16
2.6.15
2.6.14
2.6.13
2.6.11
2.6.10
2.6.9
2.6.8
2.6.7
2.6.6
2.6.5
2.6.4
2.6.3
2.6.2
2.6.1
2.6.0
2.5.16
2.5.15
2.5.14
2.5.13
2.5.12
2.5.11
2.5.10
2.5.9
2.5.8
2.5.7
2.5.6
2.5.5
2.5.4
2.5.3
2.5.2
2.5.1
2.5.0
2.5.0-rc.6
2.5.0-rc.5
2.5.0-rc.4
2.5.0-rc.3
2.5.0-rc.2
2.5.0-rc.1
2.5.0-rc.0
2.4.30
2.4.29
2.4.28
2.4.27
2.4.26
2.4.25
2.4.24
2.4.23
2.4.22
2.4.21
2.4.20
2.4.19
2.4.18
2.4.17
2.4.16
2.4.15
2.4.14
2.4.13
2.4.12
2.4.11
2.4.10
2.4.9
2.4.8
2.4.7
2.4.6
2.4.5
2.4.4
2.4.3
2.4.2
2.4.1
2.4.0
2.3.0
2.2.0
2.1.0
2.0.0
2.0.0-rc.15
2.0.0-rc.14
2.0.0-rc.13
2.0.0-rc.12
2.0.0-rc.11
2.0.0-rc.10
2.0.0-rc.9
2.0.0-rc.8
2.0.0-rc.7
2.0.0-rc.6
2.0.0-rc.5
2.0.0-rc.4
2.0.0-rc.3
2.0.0-rc.2
2.0.0-rc.1
2.0.0-rc.0
2.0.0-pre.8
2.0.0-pre.7
2.0.0-pre.6
2.0.0-pre.5
2.0.0-pre.4
2.0.0-pre.3
2.0.0-pre.2
2.0.0-pre.1
2.0.0-pre.0
1.53.3
1.53.2
1.53.0
1.52.0-rc.22
1.52.0-rc.21
1.52.0-rc.20
1.52.0-rc.19
1.52.0-rc.18
1.52.0-rc.17
1.52.0-rc.16
1.52.0-rc.15
1.52.0-rc.14
1.52.0-rc.13
1.52.0-rc.12
1.52.0-rc.11
1.52.0-rc.10
1.52.0-rc.9
1.52.0-rc.8
1.52.0-rc.7
1.52.0-rc.6
1.52.0-rc.5
1.52.0-rc.4
1.52.0-rc.3
1.52.0-rc.2
1.52.0-rc.1
1.52.0-rc.0
1.51.2
1.51.1
retired
1.51.0
1.50.21
1.50.20
1.50.19
1.50.18
1.50.17
1.50.16
1.50.15
1.50.14
1.50.13
1.50.12
1.50.11
1.50.10
1.50.9
1.50.8
1.50.7
1.50.6
1.50.5
1.50.4
1.50.3
1.50.2
1.50.1
1.50.0
1.49.0
1.48.0-rc.30
1.48.0-rc.29
1.48.0-rc.28
1.48.0-rc.27
1.48.0-rc.26
1.48.0-rc.25
1.48.0-rc.24
1.48.0-rc.23
1.48.0-rc.22
1.48.0-rc.21
1.48.0-rc.20
1.48.0-rc.19
1.48.0-rc.18
1.48.0-rc.17
1.48.0-rc.16
1.48.0-rc.15
1.48.0-rc.14
1.48.0-rc.13
1.48.0-rc.12
1.48.0-rc.11
1.48.0-rc.10
1.48.0-rc.9
1.48.0-rc.8
1.48.0-rc.7
1.48.0-rc.6
1.48.0-rc.5
1.48.0-rc.4
1.48.0-rc.3
1.48.0-rc.2
1.48.0-rc.1
1.48.0-rc.0
1.47.12
1.47.11
1.47.10
1.47.9
1.47.8
1.47.7
1.47.6
1.47.5
1.47.4
1.47.3
1.47.2
1.47.1
1.47.0
1.46.13
1.46.12
1.46.11
1.46.10
1.46.9
1.46.8
1.46.7
1.46.6
1.46.5
1.46.4
1.46.3
1.46.2
1.46.1
1.46.0
1.45.0-rc9
1.45.0-rc8
1.45.0-rc7
1.45.0-rc6
1.45.0-rc5
1.45.0-rc4
1.45.0-rc3
1.45.0-rc20
1.45.0-rc2
1.45.0-rc19
1.45.0-rc18
1.45.0-rc17
1.45.0-rc16
1.45.0-rc15
1.45.0-rc14
1.45.0-rc13
1.45.0-rc12
1.45.0-rc11
1.45.0-rc10
1.45.0-rc1
1.45.0-rc0
1.44.13
1.44.12
1.44.11
1.44.10
1.44.9
1.44.8
1.44.7
1.44.6
1.44.5
1.44.4
1.44.3
1.44.2
1.44.1
1.44.0
1.43.12
1.43.11
1.43.10
1.43.9
1.43.8
1.43.7
1.43.6
1.43.5
1.43.4
1.43.3
1.43.2
1.43.1
1.43.0
1.42.0
1.41.12
1.41.11
1.41.10
1.41.9
1.41.8
1.41.7
1.41.6
1.41.5
1.41.4
1.41.3
1.41.2
1.41.1
1.41.0
1.40.0
1.39.7
1.39.6
1.39.5
1.39.4
1.39.3
1.39.2
1.39.1
1.39.0
1.38.0
1.37.2
1.37.1
1.37.0
1.36.22
1.36.21
1.36.19
1.36.18
1.36.17
1.36.16
1.36.15
1.36.14
1.36.13
1.36.12
1.36.11
1.36.10
1.36.9
1.36.8
1.36.7
1.36.6
1.36.5
1.36.4
1.36.3
1.36.2
1.36.0
1.35.1
1.35.0
1.34.9
1.34.8
1.34.7
1.34.6
1.34.5
1.34.4
1.34.3
1.34.2
1.34.1
1.34.0
1.33.0
1.32.2
1.32.1
1.32.0
1.31.1
1.31.0
1.30.2
1.30.1
1.29.0-rc1
1.29.0-rc0
1.28.1
1.28.0
1.27.1
1.27.0
1.26.13
1.26.12
1.26.11
1.26.10
1.26.9
1.26.8
1.26.7
1.26.6
1.26.5
1.26.4
1.26.2
1.26.1
1.26.0
1.25.8
1.25.7
1.25.6
1.25.5
1.25.4
1.25.3
1.25.2
1.25.1
1.25.0
1.24.2
1.24.1
1.24.0
1.23.3
1.23.2
1.23.1
1.23.0
1.22.1
1.22.0
1.20.1
1.20.0
1.19.1
1.19.0
1.18.1
1.18.0
1.17.1
1.17.0
1.16.2
1.15.1
1.15.0
1.14.0
1.13.4
1.13.3
1.13.2
1.13.1
1.13.0
1.12.0
1.11.1
1.11.0
1.10.0
1.9.0
1.8.0
1.7.0
1.6.8
1.6.7
1.6.6
1.6.5
1.6.4
1.6.3
1.6.2
1.6.1
1.6.0
1.5.1
1.5.0
1.4.1
1.4.0
1.3.1
1.3.0
1.2.1
1.2.0
1.1.3
1.1.2
1.1.0
1.0.3
1.0.2
1.0.1
1.0.0
0.13.1
0.13.0
0.12.0
0.10.0
0.9.1
0.9.0
0.8.0
0.7.0
0.6.5
0.6.4
0.6.3
0.6.2
0.6.1
0.6.0
0.5.2
0.5.1
0.5.0
0.4.0
0.3.0
0.2.0
0.1.9
0.1.8
0.1.3
0.1.1
0.1.0
A declarative, extensible framework for building Elixir applications.
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This version has known vulnerabilities.
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lib/ash/resource/validation/builtins.ex
# SPDX-FileCopyrightText: 2019 ash contributors <https://github.com/ash-project/ash/graphs/contributors>
#
# SPDX-License-Identifier: MIT
defmodule Ash.Resource.Validation.Builtins do
@moduledoc """
Built in validations that are available to all resources
The functions in this module are imported by default in the validations section.
"""
alias Ash.Resource.Validation
@doc """
Validates that an attribute's value is in a given list
## Examples
validate one_of(:status, [:closed_won, :closed_lost])
"""
@spec one_of(attribute :: atom, list(any)) :: Validation.ref()
def one_of(attribute, values) do
{Validation.OneOf, attribute: attribute, values: values}
end
@doc """
Validates that the original value is in a given list
## Examples
validate data_one_of(:status, [:closed_won, :closed_lost])
"""
@spec data_one_of(attribute :: atom, list(any)) :: Validation.ref()
def data_one_of(attribute, values) do
{Validation.DataOneOf, attribute: attribute, values: values}
end
@doc """
Validates that an attribute or relationship is being changed
## Examples
validate changing(:first_name)
validate changing(:comments)
validate changing(:comments, touching?: true)
## Options
#{Ash.Resource.Validation.Changing.Opts.docs()}
"""
@spec changing(attribute_or_relationship :: atom, opts :: Keyword.t()) :: Validation.ref()
def changing(field, opts \\ []) do
{Validation.Changing, Keyword.merge(opts, field: field)}
end
@doc """
Validates that a field or argument matches another field or argument
## Examples
validate confirm(:password, :password_confirmation)
validate confirm(:email, :email_confirmation)
"""
@spec confirm(attribute_or_argument :: atom, confirmation_attribute_or_argument :: atom) ::
Validation.ref()
def confirm(field, confirmation) do
{Validation.Confirm, [field: field, confirmation: confirmation]}
end
@doc """
Validates that an attribute is not being changed to a specific value, or does not equal the given value if it is not being changed.
## Examples
validate attribute_does_not_equal(:admin, true)
# Or to only check for changing to a given value
validate attribute_does_not_equal(:admin, true), where: [changing(:admin)]
"""
@spec attribute_does_not_equal(attribute :: atom, value :: term) :: Validation.ref()
def attribute_does_not_equal(attribute, value) do
{Validation.AttributeDoesNotEqual, attribute: attribute, value: value}
end
@doc """
Validates that other validation does not pass
## Examples
validate negate(one_of(:status, [:closed, :finished]))
"""
@spec negate(validation :: Validation.ref()) :: Validation.ref()
def negate(validation) do
{Validation.Negate, validation: validation}
end
@doc """
Validates that at least one of the provided validations passes
## Examples
validate any([
one_of(:status, [:valid]),
match(:title, "^[a-z]+$")
])
"""
@spec any(validations :: list(Validation.ref())) :: Validation.ref()
def any(validations) do
{Validation.Any, validations: validations}
end
@doc """
Validates that the action name matches the provided action name or names. Primarily meant for use in `where`.
## Examples
validate present(:foo), where: [action_is(:bar)]
validate present(:foo), where: action_is([:bar, :baz])
"""
@spec action_is(action :: atom | list(atom)) :: Validation.ref()
def action_is(action) do
{Validation.ActionIs, action: action}
end
@doc """
Validates that an attribute is being changed to a specific value, or equals the given value if it is not being changed.
## Examples
validate attribute_equals(:admin, true)
# Or to only check for changing to a given value
validate attribute_equals(:admin, true), where: [changing(:admin)]
"""
@spec attribute_equals(attribute :: atom, value :: term) :: Validation.ref()
def attribute_equals(attribute, value) do
{Validation.AttributeEquals, attribute: attribute, value: value}
end
@doc """
Validates that an attribute is being changed to one of a set of specific values, or is in the the given list if it is not being changed.
## Examples
validate attribute_in(:state, [1, 2, 3])
# Or to only check for changing to a something in a given list
validate attribute_in(:state, [1, 2, 3]), where: [changing(:state)]
"""
@spec attribute_in(attribute :: atom, list :: [term]) :: Validation.ref()
def attribute_in(attribute, list) do
{Validation.AttributeIn, attribute: attribute, list: list}
end
@doc """
Validates that an attribute on the original record meets the given length criteria
## Options
#{Spark.Options.docs(Ash.Resource.Validation.StringLength.opt_schema())}
## Examples
validate string_length(:slug, exact: 8)
validate string_length(:password, min: 6)
validate string_length(:secret, min: 4, max: 12)
"""
@spec string_length(attribute :: atom, opts :: Keyword.t()) :: Validation.ref()
def string_length(attribute, opts \\ []) do
{Validation.StringLength, Keyword.merge(opts, attribute: attribute)}
end
@numericality_docs """
Validates that an attribute or argument meets the given comparison criteria.
The values provided for each option may be a literal value, attribute, argument, or a zero argument function.
## Options
#{Spark.Options.docs(Ash.Resource.Validation.Compare.opt_schema())}
## Examples
validate numericality(:age, greater_than_or_equal_to: 18),
where: [attribute_equals(:show_adult_content, true)],
message: "must be over %{greater_than_or_equal_to} to enable adult content."
validate numericality(:points, greater_than: 0, less_than_or_equal_to: 100)
"""
@doc @numericality_docs
@spec numericality(attribute :: atom, opts :: Keyword.t()) :: Validation.ref()
def numericality(attribute, opts \\ []) do
compare(attribute, opts)
end
@doc String.replace(@numericality_docs, "numericality(", "compare(")
@spec compare(attribute :: atom, opts :: Keyword.t()) :: Validation.ref()
def compare(attribute, opts \\ []) do
{Validation.Compare, Keyword.merge(opts, attribute: attribute)}
end
@doc """
Validates that an attribute's value matches a given regex.
`String.match?/2` is used to determine if the value matches.
## Examples
validate match(:slug, "^[0-9a-z-_]+$")
"""
@spec match(attribute :: atom, match :: Regex.t()) :: Validation.ref()
def match(attribute, match) do
{Validation.Match,
attribute: attribute, match: match, message: "must match #{inspect(match)}"}
end
@doc """
Validates that the given attribute or argument or list of attributes or arguments are not `nil`.
Use options to specify how many must not be `nil`. If no options are provided, validates that they are all present.
Keep in mind that some types cast certain values to `nil`, and validations are
applied after all inputs have been cast. For example, a `:string` type attribute
with the default constraints will cast `""` as `nil`, meaning an input of
`""` would fail the `present` validation.
## Options
#{Spark.Options.docs(Ash.Resource.Validation.Present.opt_schema())}
## Examples
validate present(:name)
validate present([:first_name, :last_name]), where: [absent(:full_name)]
validate present([:is_admin, :is_normal_user], at_most: 1)
"""
@spec present(attributes_or_arguments :: atom | list(atom), opts :: Keyword.t()) ::
Validation.ref()
def present(attributes, opts \\ []) do
if opts == [] do
attributes = List.wrap(attributes)
{Validation.Present, attributes: attributes, exactly: Enum.count(attributes)}
else
opts = Keyword.put(opts, :attributes, List.wrap(attributes))
{Validation.Present, opts}
end
end
@doc """
Validates that the attribute or list of attributes are not `nil`. See `present/2` for more information.
## Options
#{Spark.Options.docs(Ash.Resource.Validation.AttributesPresent.opt_schema())}
"""
@spec attributes_present(attributes :: atom | list(atom), opts :: Keyword.t()) ::
Validation.ref()
def attributes_present(attributes, opts \\ []) do
if opts == [] do
attributes = List.wrap(attributes)
{Validation.AttributesPresent, attributes: attributes, exactly: Enum.count(attributes)}
else
opts = Keyword.put(opts, :attributes, List.wrap(attributes))
{Validation.AttributesPresent, opts}
end
end
@doc """
Validates that the given attribute or argument or list of attributes or arguments are `nil`.
This is the inverse of `present/2`.
Use options to specify how many must be `nil`. If no options are provided, validates that they are all absent.
Keep in mind that some types cast certain values to `nil`, and validations are
applied after all inputs have been cast. For example, a `:string` type attribute
with the default constraints will cast `""` as `nil`, meaning an input of
`""` would pass the `absent` validation.
## Options
#{String.replace(Spark.Options.docs(Ash.Resource.Validation.Present.opt_schema()), "present", "absent")}
## Examples
validate absent(:unsettable_option)
validate absent([:first_name, :last_name]), where: [present(:full_name)]
validate absent([:is_admin, :is_normal_user], at_least: 1)
"""
@spec absent(attributes_or_arguments :: atom | list(atom), opts :: Keyword.t()) ::
Validation.ref()
def absent(attributes, opts \\ []) do
if opts == [] do
{Validation.Present, attributes: List.wrap(attributes), exactly: 0}
else
attributes = List.wrap(attributes)
count = Enum.count(attributes)
new_opts =
case Keyword.fetch(opts, :at_least) do
{:ok, value} ->
Keyword.put(opts, :at_most, count - value)
:error ->
Keyword.put(opts, :at_most, 0)
end
new_opts =
case Keyword.fetch(opts, :at_most) do
{:ok, value} ->
Keyword.put(new_opts, :at_least, count - value)
:error ->
Keyword.put(new_opts, :at_least, 0)
end
present(attributes, new_opts)
end
end
@doc """
Validates that the attribute or list of attributes are `nil`. See `absent/2` for more information.
## Options
#{String.replace(Spark.Options.docs(Ash.Resource.Validation.AttributesPresent.opt_schema()), "present", "absent")}
"""
@spec attributes_absent(attributes :: atom | list(atom), opts :: Keyword.t()) ::
Validation.ref()
def attributes_absent(attributes, opts \\ []) do
if opts == [] do
{Validation.AttributesPresent, attributes: List.wrap(attributes), exactly: 0}
else
attributes = List.wrap(attributes)
count = Enum.count(attributes)
new_opts =
case Keyword.fetch(opts, :at_least) do
{:ok, value} ->
Keyword.put(opts, :at_most, count - value)
:error ->
Keyword.put(opts, :at_most, 0)
end
new_opts =
case Keyword.fetch(opts, :at_most) do
{:ok, value} ->
Keyword.put(new_opts, :at_least, count - value)
:error ->
Keyword.put(new_opts, :at_least, 0)
end
attributes_present(attributes, new_opts)
end
end
@doc """
Validates that an argument is not being changed to a specific value, or does not equal the given value if it is not being changed.
## Examples
validate argument_does_not_equal(:admin, true)
# Or to only check for changing to a given value
validate argument_does_not_equal(:admin, true), where: [changing(:admin)]
"""
@spec argument_does_not_equal(argument :: atom, value :: term) :: Validation.ref()
def argument_does_not_equal(argument, value) do
{Validation.ArgumentDoesNotEqual, argument: argument, value: value}
end
@doc """
Validates that an argument is being changed to a specific value, or equals the given value if it is not being changed.
## Examples
validate argument_equals(:admin, true)
# Or to only check for changing to a given value
validate argument_equals(:admin, true), where: [changing(:admin)]
"""
@spec argument_equals(argument :: atom, value :: term) :: Validation.ref()
def argument_equals(argument, value) do
{Validation.ArgumentEquals, argument: argument, value: value}
end
@doc """
Validates that an argument is being changed to one of a set of specific values, or is in the the given list if it is not being changed.
## Examples
validate argument_in(:state, [1, 2, 3])
# Or to only check for changing to a something in a given list
validate argument_in(:state, [1, 2, 3]), where: [changing(:state)]
"""
@spec argument_in(argument :: atom, list :: [term]) :: Validation.ref()
def argument_in(argument, list) do
{Validation.ArgumentIn, argument: argument, list: list}
end
end