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Versions: 27
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Contents
# frozen_string_literal: true
module Koi
module Tables
module Cells
# Shows an attachment
#
# The value is expected to be an ActiveStorage attachment
#
# If it is representable, shows as a image tag using the specified variant.
#
# Otherwise shows as a link to download.
class AttachmentComponent < Katalyst::Tables::CellComponent
def initialize(variant:, **)
super(**)
@variant = variant
end
def rendered_value
representation
end
def representation
if value.try(:variable?) && named_variant.present?
image_tag(value.variant(@variant))
elsif value.try(:attached?)
filename.to_s
else
""
end
end
def filename
value.blob.filename
end
# Utility for accessing the path Rails provides for retrieving the
# attachment for use in cells. Example:
# <% row.attachment :file do |cell| %>
# <%= link_to "Download", cell.internal_path %>
# <% end %>
def internal_path
rails_blob_path(value, disposition: :attachment)
end
private
def default_html_attributes
{ class: "type-attachment" }
end
# Find the reflective variant by name (i.e. :thumb by default)
def named_variant
record.attachment_reflections[@column.to_s].named_variants[@variant.to_sym]
end
end
end
end
end
Version data entries
27 entries across 27 versions & 1 rubygems