module Admin::ImagesHelper

Public Instance Methods

editor_image_tag(post) click to toggle source
# File lib/ecrire/app/helpers/admin/images_helper.rb, line 33
def editor_image_tag(post)
  return unless post.header?
  content_tag :div, class: %w(image), style: "background-image: url('#{post.header.url}')" do
    button_to "Remove this image",
      admin_post_properties_path(post.id),
      method: :delete,
      remote: true,
      params: {
        property: 'image'
      },
      data: {confirm: 'Are you sure you want to destroy this image?'}
  end
end
image_form_policy(post) click to toggle source
# File lib/ecrire/app/helpers/admin/images_helper.rb, line 13
def image_form_policy(post)
  @policy ||= begin
                namespace = [post.id]
                if Rails.application.secrets.s3.has_key?(:namespace)
                  namespace.insert 0, Rails.application.secrets.s3[:namespace]
                end

                policy = {
                  "expiration" => (Time.now + 10.years).utc.to_s(:iso8601),
                  "conditions" => [
                    {"bucket" => Rails.application.secrets.s3[:bucket]},
                    ["starts-with", "$key", "#{namespace.join('/')}/"],
                    ["starts-with", "$Content-Type", ""],
                    {"acl" => "private"}
                  ]
                }
                Base64.encode64(policy.to_json).gsub("\n","")
  end
end
image_form_signature(policy) click to toggle source
# File lib/ecrire/app/helpers/admin/images_helper.rb, line 4
def image_form_signature(policy)
  @signature ||= begin
    key = Rails.application.secrets.s3[:secret_key]
    sha = OpenSSL::Digest.new('sha1')
    digest = OpenSSL::HMAC.digest sha, key, policy
    Base64.encode64(digest).gsub("\n", "")
  end
end
images_config_title() click to toggle source
# File lib/ecrire/app/helpers/admin/images_helper.rb, line 47
def images_config_title
  if @s3 && @s3.errors.any?
    content_tag :h1, class: %w(error) do
      @s3.errors.messages.values.flatten.to_sentence
    end
  else
    content_tag :h1 do
      t('admin.images.helper.title')
    end
  end
end