Sha256: f8fe138364c6bf56450ad111d62d5527e43aca925ac7ed6d4e9110c35dd36b68
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Size: 1.37 KB
Versions: 29
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Contents
module CurationConcerns
class ThumbnailPathService
class << self
# @param [Work, FileSet] the object to get the thumbnail for
# @return [String] a path to the thumbnail
def call(object)
return default_image unless object.thumbnail_id
thumb = fetch_thumbnail(object)
return unless thumb
if thumb.audio?
audio_image
elsif thumbnail?(thumb)
Rails.application.routes.url_helpers.download_path(object.thumbnail_id, file: 'thumbnail')
else
default_image
end
end
def fetch_thumbnail(object)
return object if object.thumbnail_id == object.id
::FileSet.load_instance_from_solr(object.thumbnail_id)
rescue ActiveFedora::ObjectNotFoundError
Rails.logger.error("Couldn't find thumbnail #{object.thumbnail_id} for #{object.id}")
nil
end
def default_image
ActionController::Base.helpers.image_path 'default.png'
end
def audio_image
ActionController::Base.helpers.image_path 'audio.png'
end
# @return true if there a file on disk for this object, otherwise false
def thumbnail?(thumb)
File.exist?(thumbnail_filepath(thumb))
end
def thumbnail_filepath(thumb)
CurationConcerns::DerivativePath.derivative_path_for_reference(thumb, 'thumbnail')
end
end
end
end
Version data entries
29 entries across 29 versions & 2 rubygems