# Flash Validators

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Flash Validators is a collection of custom validators that are often required in Rails applications plus shoulda-style RSpec matchers to test the validation rules.

Currently supported validators: alpha, alpha-numeric, boolean, credit card, currency, email, equality, hex, IMEI, IP, ISBN, latitude, longitude, mac address, name, password, phone, slug, ssn, url, and username.

Highly recommended validators:
  * **DateTime:** Validates Timeliness - https://github.com/adzap/validates_timeliness
  * **Existence:** Validates Existence - https://github.com/perfectline/validates_existence
  * **Group:** Group Validations - https://github.com/adzap/grouped_validations
  * **Overlap:** Validates Overlap - https://github.com/robinbortlik/validates_overlap

## Installation

Add this line to your application's Gemfile:

    gem 'flash_validators'

And then execute:

    $ bundle

Or install it yourself as:

    $ gem install flash_validators

## Usage

### AlphaValidator

**Ex:** Example or Example Title

**Rules:**
 * Characters: A-Z a-z
 * Must include: A-Z a-z

With an ActiveRecord model:

```ruby
class Book < ActiveRecord::Base
  attr_accessor :title, :name
  validates :title, alpha: true
end
```

Or any ruby class:

```ruby
class Book
  include ActiveModel::Validations
  attr_accessor :title, :name
  validates :title, alpha: true
end
```

Options: :strict, :lowercase, :uppercase

```ruby
validates :title, alpha: { strict: true }
validates :title, alpha: { lowercase: true }
validates :title, alpha: { uppsercase: true }
```

RSpec matcher is also available for your convenience:

```ruby
describe Product do
  it { should ensure_valid_alpha_format_of(:title) }
  it { should_not ensure_valid_alpha_format_of(:name) }
end
```

### AlphaNumericValidator

**Ex:** Example1 or Example Title 1

**Rules:**
 * Characters: A-Z a-z 0-9
 * Must include: A-Z a-z 0-9

With an ActiveRecord model:

```ruby
class Book < ActiveRecord::Base
  attr_accessor :title, :name
  validates :title, alpha_numeric: true
end
```

Or any ruby class:

```ruby
class Book
  include ActiveModel::Validations
  attr_accessor :title, :name
  validates :title, alpha_numeric: true
end
```

Strict: requires not including spaces

```ruby
validates :title, alpha_numeric: { strict: true }
```

RSpec matcher is also available for your convenience:

```ruby
describe Product do
  it { should ensure_valid_alpha_numeric_format_of(:title) }
  it { should_not ensure_valid_alpha_numeric_format_of(:name) }
end
```

### BooleanValidator

**Ex:** true or false or 1 or 0

**Rules:**
 * Characters: 0-1 true or false

With an ActiveRecord model:

```ruby
class User < ActiveRecord::Base
  attr_accessor :active, :name
  validates :active, boolean: true
end
```

Or any ruby class:

```ruby
class User
  include ActiveModel::Validations
  attr_accessor :active, :name
  validates :active, boolean: true
end
```

RSpec matcher is also available for your convenience:

```ruby
describe Product do
  it { should ensure_valid_boolean_format_of(:active) }
  it { should_not ensure_valid_boolean_format_of(:name) }
end
```
### CreditCardValidator

**Ex:** 370000000000002

**Rules:**
 * Characters: 0-9
 * Must include: 0-9
 * Range for card digits: 15-16

With an ActiveRecord model:

```ruby
class Invoice < ActiveRecord::Base
  attr_accessor :cc_number, :name
  validates :cc_number, credit_card: true
end
```

Or any ruby class:

```ruby
class Invoice
  include ActiveModel::Validations
  attr_accessor :cc_number, :name
  validates :cc_number, credit_card: true
end
```

Options: :american_express, :diners_club, :discover, :jbc, :master_card, :visa

```ruby
validates :cc_number, currency: { american_express: true }
validates :cc_number, currency: { diners_club: true }
validates :cc_number, currency: { discover: true }
validates :cc_number, currency: { jbc: true }
validates :cc_number, currency: { master_card: true }
validates :cc_number, currency: { visa: true }
```

RSpec matcher is also available for your convenience:

```ruby
describe Invoice do
  it { should ensure_valid_credit_card_format_of(:cc_number) }
  it { should_not ensure_valid_credit_card_format_of(:name) }
end
```

### CurrencyValidator

**Ex:** 123.00 or .1

**Rules:**
 * Characters: 0-9 .
 * Must include: .
 * Range for cents: 1-2

With an ActiveRecord model:

```ruby
class Product < ActiveRecord::Base
  attr_accessor :price, :name
  validates :price, currency: true
end
```

Or any ruby class:

```ruby
class Product
  include ActiveModel::Validations
  attr_accessor :price, :name
  validates :price, currency: true
end
```

Strict: requires leading number and exactly two decimals, 1.45

```ruby
validates :price, currency: { strict: true }
```

RSpec matcher is also available for your convenience:

```ruby
describe Product do
  it { should ensure_valid_currency_format_of(:price) }
  it { should_not ensure_valid_currency_format_of(:name) }
end
```

### EmailValidator

**Ex:** user@example.com or user+123@example-site.com

**Rules:**
 * Characters in username: a-z 0-9 -_+.
 * Must include: @
 * Characters in domain: a-z 0-9 -
 * Must include extension: .co, .org, .museum

With an ActiveRecord model:

```ruby
class User < ActiveRecord::Base
  attr_accessor :email, :name
  validates :email, email: true
end
```

Or any ruby class:

```ruby
class User
  include ActiveModel::Validations
  attr_accessor :email, :name
  validates :email, email: true
end
```

You can specify domains to which the email domain should belong in one of the folowing ways:

```ruby
validates :email, email: { domains: 'com' }
validates :email, email: { domains: :com }
validates :email, email: { domains: [:com, 'edu'] }
```

RSpec matcher is also available for your convenience:

```ruby
describe User do
  it { should ensure_valid_email_format_of(:email) }
  it { should_not ensure_valid_email_format_of(:name) }
end
```

### EqualityValidator

**Operators:**
 * Less than: x < y
 * Less than or equal to: x <= y
 * Greater than: x > y
 * Greater than or equal to: x >= y
 * Equal to: x == y
 * Not equal to: x != y


**Rules:**
 * Equal and not equal to: cannot be nil

With an ActiveRecord model:

```ruby
class Auction < ActiveRecord::Base
  attr_accessor :bid, :price, :product
  validates :bid, equality: { operator: :greater_than_or_equal_to, to: :price }
end
```

Or any ruby class:

```ruby
class Auction
  include ActiveModel::Validations
  attr_accessor :bid, :price, :product
  validates :bid, equality: { operator: :greater_than_or_equal_to, to: :price }
end
```

RSpec matcher is also available for your convenience:

```ruby
describe Auction do
  it { should ensure_equality_of(:bid).to(:price) }
  it { should_not ensure_equality_of(:bid).to(:product) }
end
```

### HexValidator

**Ex:** #a9a9a9 or #999 or aaaaaa

**Rules:**
* Prefix (non-mandatory): #
* Length: 3 or 6
* Characters: a-f 0-9

With an ActiveRecord model:

```ruby
class Profile < ActiveRecord::Base
  attr_accessor :color, :trim
  validates :color, hex: true
end
```

Or any ruby class:

```ruby
class Profile
  include ActiveModel::Validations
  attr_accessor :color, :trim
  validates :color, hex: true
end
```

RSpec matcher is also available for your convenience:

```ruby
describe Color do
  it { should ensure_valid_hex_format_of(:color) }
  it { should_not ensure_valid_hex_format_of(:trim) }
end
```

### ImeiValidator

**Ex:** 356843052637512 or 35-6843052-637512 or 35.6843052.637512

**Rules:**
* Length: min 14
* Characters: 0-9 -.

With an ActiveRecord model:

```ruby
class User < ActiveRecord::Base
  attr_accessor :imei, :name
  validates :imei, imei: true
end
```

Or any ruby class:

```ruby
class User
  include ActiveModel::Validations
  attr_accessor :imei, :name
  validates :imei, imei: true
end
```

RSpec matcher is also available for your convenience:

```ruby
describe User do
  it { should ensure_valid_imei_format_of(:imei) }
  it { should_not ensure_valid_imei_format_of(:name) }
end
```

### IpValidator

**Ex:** 0.0.0.0 or 127.0.0.1 or 167.39.240.31

**Rules:**
* Length: min 7
* Characters: 0-9 .

With an ActiveRecord model:

```ruby
class User < ActiveRecord::Base
  attr_accessor :ip, :name
  validates :ip, ip: true
end
```

Or any ruby class:

```ruby
class User
  include ActiveModel::Validations
  attr_accessor :ip, :name
  validates :ip, ip: true
end
```

RSpec matcher is also available for your convenience:

```ruby
describe User do
  it { should ensure_valid_ip_format_of(:ip) }
  it { should_not ensure_valid_ip_format_of(:name) }
end
```

### IsbnValidator

**Ex:** 9519854894 or 0-9722051-1-x or 978 159059 9938

**Rules:**
* Length: 10 or 13
* Characters: 0-9 -|

With an ActiveRecord model:

```ruby
class User < ActiveRecord::Base
  attr_accessor :isbn, :name
  validates :isbn, isbn: true
end
```

Or any ruby class:

```ruby
class User
  include ActiveModel::Validations
  attr_accessor :isbn, :name
  validates :isbn, isbn: true
end
```

RSpec matcher is also available for your convenience:

```ruby
describe User do
  it { should ensure_valid_isbn_format_of(:isbn) }
  it { should_not ensure_valid_isbn_format_of(:name) }
end
```

### LatitudeValidator

**Ex:** 78.213 or -34.985

**Rules:**
* Range: 90 to -90
* Characters: 0-9

With an ActiveRecord model:

```ruby
class Location < ActiveRecord::Base
  attr_accessor :lat, :name
  validates :lat, latitude: true
end
```

Or any ruby class:

```ruby
class Location
  include ActiveModel::Validations
  attr_accessor :lat, :name
  validates :lat, latitude: true
end
```

RSpec matcher is also available for your convenience:

```ruby
describe Location do
  it { should ensure_valid_latitude_format_of(:lat) }
  it { should_not ensure_valid_latitude_format_of(:name) }
end
```

### LongitudeValidator

**Ex:** 165.371 or -56.152

**Rules:**
* Range: 180 to -180
* Characters: 0-9

With an ActiveRecord model:

```ruby
class Location < ActiveRecord::Base
  attr_accessor :lon, :name
  validates :lon, longitude: true
end
```

Or any ruby class:

```ruby
class Location
  include ActiveModel::Validations
  attr_accessor :lon, :name
  validates :lon, longitude: true
end
```

RSpec matcher is also available for your convenience:

```ruby
describe Location do
  it { should ensure_valid_longitude_format_of(:lon) }
  it { should_not ensure_valid_longitude_format_of(:name) }
end
```

### MacAddressValidator

**Ex:**
    '08:00:2b:01:02:03'
    '08-00-2b-01-02-03'
    '08002b:010203'
    '08002b-010203'
    '0800.2b01.0203'
    '08002b010203'

**Rules:**
* Characters: a-z 0-9 -.:

With an ActiveRecord model:

```ruby
class Device < ActiveRecord::Base
  attr_accessor :mac, :name
  validates :mac, mac_address: true
end
```

Or any ruby class:

```ruby
class Device
  include ActiveModel::Validations
  attr_accessor :mac, :name
  validates :mac, mac_address: true
end
```

RSpec matcher is also available for your convenience:

```ruby
describe Device do
  it { should ensure_valid_mac_address_format_of }
  it { should_not ensure_valid_mac_address_format_of(:name) }
end
```

### NameValidator

**Ex:** James Brown or Billy Bob Thorton Jr

**Rules:**
* Range: 2 - 5 names
* Characters: a-z -
* Must include: First Last

With an ActiveRecord model:

```ruby
class User < ActiveRecord::Base
  attr_accessor :name, :email
  validates :name, name: true
end
```

Or any ruby class:

```ruby
class User
  include ActiveModel::Validations
  attr_accessor :name, :email
  validates :name, name: true
end
```

RSpec matcher is also available for your convenience:

```ruby
describe User do
  it { should ensure_valid_name_format_of(:name) }
  it { should_not ensure_valid_name_format_of(:email) }
end
```

### PasswordValidator

**Ex:** password or password123 or pa!!word

**Rules:**
* Range: 6-18
* Characters: a-z 0-9 -_!@#$%^&*

With an ActiveRecord model:

```ruby
class User < ActiveRecord::Base
  attr_accessor :password, :name
  validates :password, password: true
end
```

Or any ruby class:

```ruby
class User
  include ActiveModel::Validations
  attr_accessor :password, :name
  validates :password, password: true
end
```

Strict: requires length between 6 and 18, one number, lowercase, upcase letter

```ruby
validates :password, password: { strict: true }
```

RSpec matcher is also available for your convenience:

```ruby
describe User do
  it { should ensure_valid_password_format_of(:password) }
  it { should_not ensure_valid_password_format_of(:name) }
end
```

### PhoneValidator

**Ex:** 555 333 4444 or (555) 123-4567 or +1 (555) 123 4567 ext-890

**Rules:**
* Characters: a-z 0-9 -()+

With an ActiveRecord model:

```ruby
class User < ActiveRecord::Base
  attr_accessor :phone, :name
  validates :phone, phone: true
end
```

Or any ruby class:

```ruby
class User
  include ActiveModel::Validations
  attr_accessor :phone, :name
  validates :phone, phone: true
end
```

RSpec matcher is also available for your convenience:

```ruby
describe User do
  it { should ensure_valid_phone_format_of(:phone) }
  it { should_not ensure_valid_phone_format_of(:name) }
end
```

### SlugValidator

**Ex:** slug1234 or slug-1234

**Rules:**
* Characters: a-z 0-9 -

With an ActiveRecord model:

```ruby
class User < ActiveRecord::Base
  attr_accessor :slug, :name
  validates :slug, slug: true
end
```

Or any ruby class:

```ruby
class User
  include ActiveModel::Validations
  attr_accessor :slug, :name
  validates :slug, slug: true
end
```

RSpec matcher is also available for your convenience:

```ruby
describe User do
  it { should ensure_valid_slug_format_of(:slug) }
  it { should_not ensure_valid_slug_format_of(:name) }
end
```

### SsnValidator

**Ex:** 333-22-4444 or 333224444

**Rules:**
* Characters: 0-9 -

With an ActiveRecord model:

```ruby
class User < ActiveRecord::Base
  attr_accessor :ssn, :name
  validates :ssn, ssn: true
end
```

Or any ruby class:

```ruby
class User
  include ActiveModel::Validations
  attr_accessor :ssn, :name
  validates :ssn, ssn: true
end
```

RSpec matcher is also available for your convenience:

```ruby
describe User do
  it { should ensure_valid_ssn_format_of(:ssn) }
  it { should_not ensure_valid_ssn_format_of(:name) }
end
```

### UrlValidator

**Ex:** example.com or http://www.example.com

**Rules:**
* Characters in root: a-z 0-9 -.//:
* Characters in domain: a-z 0-9 -
* Must include extension: .co, .org, .museum

With an ActiveRecord model:

```ruby
class User < ActiveRecord::Base
  attr_accessor :url, :name
  validates :url, url: true
end
```

Or any ruby class:

```ruby
class User
  include ActiveModel::Validations
  attr_accessor :url, :name
  validates :url, url: true
end
```

You can specify domains to which the URL domain should belong in one of the folowing ways:

```ruby
validates :url, url: { domains: 'com' }
validates :url, url: { domains: :com }
validates :url, url: { domains: [:com, 'edu'] }
```

You can specify if the URL should the site root:

```ruby
validates :url, url: { root: true }
```

You can specify the URL scheme:

```ruby
validates :url, url: { scheme: :http }
validates :url, url: { scheme: [:http, 'https'] }
```

RSpec matcher is also available for your convenience:

```ruby
describe User do
  it { should ensure_valid_url_format_of(:url) }
  it { should_not ensure_valid_url_format_of(:name) }
end
```

### UsernameValidator

**Ex:** username123 or username

**Rules:**
* Range: 2-16
* Characters: a-z 0-9 -_

With an ActiveRecord model:

```ruby
class User < ActiveRecord::Base
  attr_accessor :username, :name
  validates :username, username: true
end
```

Or any ruby class:

```ruby
class User
  include ActiveModel::Validations
  attr_accessor :username, :name
  validates :username, username: true
end
```

RSpec matcher is also available for your convenience:

```ruby
describe User do
  it { should ensure_valid_username_format_of(:username) }
  it { should_not ensure_valid_username_format_of(:name) }
end
```

## Contributing

Your contribution is welcome.

1. Fork it
2. Create your feature branch (`git checkout -b my-new-feature`)
3. Commit your changes (`git commit -am 'Added some feature'`)
4. Push to the branch (`git push origin my-new-feature`)
5. Create new Pull Request