Digineo HasImages gem

Description

HasImages adds images and galleries to your ActiveRecord models. It comes with the follwing methods:

model.images # returns a list of all images
model.avatar # returns the image with the avatar flag e.g. the first image
model.galleries? # does this model have a gallery?
model.galleries # returns a list of the models image galleries
gallery.images  # returns all images in a gallery
image.set_avatar # sets the avatar flag on this image

Dependencies

This gem requires thoughtbot's paperclip, this gem will be installed automatically.

Installation:

add the following to your config/enviroment.rb

config.gem "has_images"

Generate migrations & migrate

./script/generate has_images

rake db:migrate

Integration in your model

class User < ActiveRecord::Base  
  has_images
end

you can also customize the image-storage with paperclip options

class User < ActiveRecord::Base  
  has_images :styles => {
   :thumb  => ["150x100", :jpg],
   :mini   => ["75x50",   :jpg],
   :medium => ["300x200", :jpg],
   :large  => ["640x480", :jpg],
   :huge   => ["800x600", :jpg],
   :square => ["200x200", :jpg] }, 
   :path   => ":rails_root/public/images/:attachment/:id_partition/:id_:style.:extension",
   :url    => "/images/:attachment/:id_partition/:id_:style.:extension"
end

Examples & usage

Create image by URL

image = user.create_image_by_url("http://image.url/file.png")

Images with galleries

gallery = user.galleries.create(:name => "gallery name")

gallery.images.create(params[:image])
gallery.create_image_by_url("http://image.url/file.png")