Contents

# Object Attorney
This gem allows you to create use cases with ActiveModel validations and keep your model clean.

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## 1) Basic Usage
```ruby
class User < Struct.new(:title, :first_name, :last_name)
end
```

```ruby
class UserValidator < ObjectAttorney::Base
  validates_presence_of :first_name

  validate :last_name_present

  def last_name_present(user)
    return if user.last_name.present?

    user.errors.add(:last_name, :blank)
  end
end
```

```ruby
@user = User.new

UserValidator.new(@user).valid? # false

@user.errors.messages # { first_name: ["can't be blank"], last_name: ["can't be blank"] }
```

## 2) Custom Usage
```ruby
class User < ActiveRecord::Base
end
```

```ruby
class UserValidator
  include ObjectAttorney

  defend :user

  validates_presence_of :first_name, if: :last_name_is_present

  attr_accessor :user

  def initialize(user)
    @user = user
  end

  def last_name_is_present(user)
    user.last_name.present?
  end
end
```

```ruby
@user = User.new(last_name: 'Snow')

UserValidator.new(@user).invalid? # true

@user.errors.messages # { first_name: ["can't be blank"] }
```

Version data entries

7 entries across 7 versions & 1 rubygems

Version	Path
object_attorney-3.1.1	README.md
object_attorney-3.1.0	README.md
object_attorney-3.0.7	README.md
object_attorney-3.0.6	README.md
object_attorney-3.0.5	README.md
object_attorney-3.0.4	README.md
object_attorney-3.0.3	README.md