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image dimensions ActiveRecord validator for carrierwave gem
Ruby
tag: v0.0.2

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lib
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Gemfile
README.md
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aspecta.gemspec

README.md

aspecta

aspecta is small add-on for the awesome carrierwave gem. aspecta adds image dimensions validator to your ActiveRecords models.

Usage

In your Gemfile:

gem "aspecta"

Run:

bundle install

Add validator to your model:

class User < ActiveRecord::Base
  mount_uploader :avatar, AvatarUploader

  validates :avatar, :dimensions => {
    :height => { :minimum => 100, :maximum => 200 }
    :width => { :minimum => 100, :maximum => 200 }
  }
end

Profit!

I18n

Add following translations to your i18n setup:

en:
  errors:
    messages:
      image_is_too_narrow: "image is too narrow, minimum is %{size} pixels"
      image_is_too_wide: "image is too wide, maximum is %{size} pixels"
      image_is_too_short: "image is too short, minimum is %{size} pixels"
      image_is_too_tall: "image is too tall, maximum is %{size} pixels"

Contributing

Contributing is easy:

  • fork & commit,
  • submit issues.

Thank you!

License

Copyright (c) 2011 Filip Tepper

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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