app/helpers/images_helper.rb
module ImagesHelper
def image_absolute_url(image, version)
return "" unless image
if Paperclip::Attachment.default_options[:storage] == :filesystem
URI(request.url) + image.attachment.url(version)
else
investment.image_url(version)
end
end
def image_first_recommendation(image)
t "images.#{image.imageable.class.name.parameterize.underscore}.recommendation_one_html",
title: image.imageable.title
end
def image_attachment_file_name(image)
image.attachment_file_name
end
def image_errors_on_attachment(image)
image.errors[:attachment].join(', ') if image.errors.key?(:attachment)
end
def image_bytes_to_megabytes(bytes)
bytes / Numeric::MEGABYTE
end
def image_class(image)
image.persisted? ? "persisted-image" : "cached-image"
end
def render_destroy_image_link(builder, image)
if !image.persisted? && image.cached_attachment.present?
link_to t('images.form.delete_button'),
direct_upload_destroy_url("direct_upload[resource_type]": image.imageable_type,
"direct_upload[resource_id]": image.imageable_id,
"direct_upload[resource_relation]": "image",
"direct_upload[cached_attachment]": image.cached_attachment),
method: :delete,
remote: true,
class: "delete remove-cached-attachment"
else
link_to_remove_association t('images.form.delete_button'), builder, class: "delete remove-image"
end
end
def render_image_attachment(builder, imageable, image)
klass = image.errors[:attachment].any? ? "error" : ""
klass = image.persisted? || image.cached_attachment.present? ? " hide" : ""
html = builder.label :attachment,
t("images.form.attachment_label"),
class: "button hollow #{klass}"
html += builder.file_field :attachment,
label: false,
accept: imageable_accepted_content_types_extensions,
class: 'js-image-attachment',
data: {
url: image_direct_upload_url(imageable),
nested_image: true
}
html
end
def render_image(image, version, show_caption = true)
version = image.persisted? ? version : :original
render partial: "images/image", locals: { image: image,
version: version,
show_caption: show_caption }
end
def image_direct_upload_url(imageable)
direct_uploads_url("direct_upload[resource_type]": imageable.class.name,
"direct_upload[resource_id]": imageable.id,
"direct_upload[resource_relation]": "image")
end
end