2019-11-07 16:08:14 +00:00
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# frozen_string_literal: true
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2020-08-05 15:29:11 +00:00
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require 'filemagic'
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2019-11-07 16:08:14 +00:00
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# Define un campo de archivo
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class MetadataFile < MetadataTemplate
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# Una ruta vacía a la imagen con una descripción vacía
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def default_value
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2020-11-11 18:29:12 +00:00
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super || { 'path' => nil, 'description' => nil }
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2019-11-07 16:08:14 +00:00
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end
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def empty?
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value == default_value
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end
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def validate
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super
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2021-04-24 22:55:15 +00:00
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errors << I18n.t("metadata.#{type}.site_invalid") if site.invalid?
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2020-11-25 14:59:55 +00:00
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errors << I18n.t("metadata.#{type}.path_required") if path_missing?
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errors << I18n.t("metadata.#{type}.no_file_for_description") if no_file_for_description?
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2022-03-07 23:52:33 +00:00
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errors << I18n.t("metadata.#{type}.attachment_missing") if path? && !static_file
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2019-11-07 16:08:14 +00:00
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errors.compact!
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errors.empty?
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end
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# Determina si necesitamos la imagen pero no la tenemos
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def path_missing?
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2020-09-01 21:33:10 +00:00
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required && !path?
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2019-11-07 16:08:14 +00:00
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end
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# Determina si el archivo ya fue subido
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def uploaded?
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2021-02-23 22:00:38 +00:00
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value['path'].is_a?(String)
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2019-11-07 16:08:14 +00:00
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end
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# Asociar la imagen subida al sitio y obtener la ruta
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2021-02-23 22:00:38 +00:00
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#
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# XXX: Si evitamos guardar cambios con changed? no tenemos forma de
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# saber que un archivo subido manualmente se convirtió en
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# un Attachment y cada vez que lo editemos vamos a subir una imagen
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# repetida.
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2019-11-07 16:08:14 +00:00
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def save
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2020-09-01 21:33:10 +00:00
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value['description'] = sanitize value['description']
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2022-03-04 22:21:26 +00:00
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value['path'] = static_file ? relative_destination_path_with_filename.to_s : nil
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2019-11-07 16:08:14 +00:00
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true
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end
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2021-02-23 22:00:38 +00:00
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# Almacena el archivo en el sitio y lo devuelve o lo obtiene de la
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# base de datos.
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#
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# Existen tres casos:
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#
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# * El archivo fue subido a través de HTTP
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# * El archivo es una ruta que apunta a un archivo asociado al sitio
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# * El archivo es una ruta a un archivo dentro del repositorio
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2019-11-07 16:08:14 +00:00
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#
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2021-02-23 22:00:38 +00:00
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# XXX: La última opción provoca archivos duplicados, pero es lo mejor
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# que tenemos hasta que resolvamos https://0xacab.org/sutty/sutty/-/issues/213
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#
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2022-03-04 22:21:03 +00:00
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# @todo encontrar una forma de obtener el attachment sin tener que
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# recurrir al último subido.
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#
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# @return [ActiveStorage::Attachment,nil]
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2019-11-07 16:08:14 +00:00
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def static_file
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2021-02-23 22:00:38 +00:00
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@static_file ||=
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case value['path']
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when ActionDispatch::Http::UploadedFile
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site.static_files.last if site.static_files.attach(value['path'])
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when String
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2022-03-04 22:21:03 +00:00
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if (blob_id = ActiveStorage::Blob.where(key: key_from_path).pluck(:id).first)
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site.static_files.find_by(blob_id: blob_id)
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elsif path? && pathname.exist? && site.static_files.attach(io: pathname.open, filename: pathname.basename)
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2021-02-23 22:00:38 +00:00
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site.static_files.last
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end
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2019-11-07 16:08:14 +00:00
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end
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end
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2022-03-04 22:19:40 +00:00
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# Obtiene la ruta absoluta al archivo
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#
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# @return [Pathname]
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def pathname
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raise NoMethodError unless uploaded?
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@pathname ||= Pathname.new(File.join(site.path, value['path']))
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end
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2022-03-04 22:21:03 +00:00
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# Obtiene la key del attachment a partir de la ruta
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#
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# @return [String]
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2021-02-16 21:08:42 +00:00
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def key_from_path
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2022-03-04 22:21:03 +00:00
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pathname.dirname.basename.to_s
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2021-02-16 21:08:42 +00:00
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end
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2020-09-01 21:33:10 +00:00
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def path?
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2021-02-16 21:08:42 +00:00
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value['path'].present?
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2020-09-01 21:33:10 +00:00
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end
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2022-03-04 22:16:36 +00:00
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def description?
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value['description'].present?
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end
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2021-02-23 22:00:38 +00:00
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2022-03-04 22:16:36 +00:00
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private
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2020-11-25 14:59:55 +00:00
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2022-03-04 22:21:26 +00:00
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# Obtener la ruta al archivo relativa al sitio
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#
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# @return [Pathname]
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def destination_path
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Pathname.new(static_file_path)
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end
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# Agrega el nombre de archivo a la ruta para tener retrocompatibilidad
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#
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# @return [Pathname]
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def destination_path_with_filename
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destination_path.realpath
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end
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def relative_destination_path_with_filename
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2022-03-08 16:10:34 +00:00
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destination_path_with_filename.relative_path_from(Pathname.new(site.path).realpath)
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2022-03-04 22:21:26 +00:00
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end
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def static_file_path
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static_file.blob.service.path_for(static_file.key)
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end
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2020-11-25 14:59:55 +00:00
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# No hay archivo pero se lo describió
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def no_file_for_description?
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2022-03-04 22:16:36 +00:00
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!path? && description?
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2020-11-25 14:59:55 +00:00
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end
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2019-11-07 16:08:14 +00:00
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end
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