demarches-normaliennes/app/components/attachment/edit_component.rb

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# Display a widget for uploading, editing and deleting a file attachment
class Attachment::EditComponent < ApplicationComponent
def initialize(form:, attached_file:, template: nil, user_can_destroy: false, direct_upload: true, id: nil)
@form = form
@attached_file = attached_file
@template = template
@user_can_destroy = user_can_destroy
@direct_upload = direct_upload
@id = id
end
attr_reader :template, :form
def allowed_extensions
content_type_validator.options[:in]
.flat_map { |content_type| MIME::Types[content_type].map(&:extensions) }
.reject(&:blank?)
.flatten
end
def max_file_size
file_size_validator.options[:less_than]
end
def user_can_destroy?
@user_can_destroy
end
def attachment
@attached_file.attachment
end
def attachment_path
helpers.attachment_path attachment.id, { signed_id: attachment.blob.signed_id }
end
def attachment_id
@attachment_id ||= attachment ? attachment.id : SecureRandom.uuid
end
def attachment_input_class
"attachment-input-#{attachment_id}"
end
def persisted?
attachment&.persisted?
end
def champ
@form.object.is_a?(Champ) ? @form.object : nil
end
def file_field_options
{
class: "attachment-input #{attachment_input_class} #{'hidden' if persisted?}",
accept: content_type_validator.options[:in].join(', '),
direct_upload: @direct_upload,
id: input_id(@id),
aria: { describedby: champ&.describedby_id },
data: {
auto_attach_url: helpers.auto_attach_url(form.object),
max_file_size: max_file_size
}
}
end
def input_id(given_id)
[given_id, champ&.input_id, file_field_name].reject(&:blank?).compact.first
end
def file_field_name
@attached_file.name
end
def remove_button_options
{
role: 'button',
class: 'button small danger',
data: { turbo_method: :delete }
}
end
def retry_button_options
{
type: 'button',
class: 'button attachment-error-retry',
data: { input_target: ".#{attachment_input_class}", action: 'autosave#onClickRetryButton' }
}
end
def replace_button_options
{
type: 'button',
class: 'button small',
data: { toggle_target: ".#{attachment_input_class}" }
}
end
def file_size_validator
@attached_file.record
._validators[file_field_name.to_sym]
.find { |validator| validator.class == ActiveStorageValidations::SizeValidator }
end
def content_type_validator
@attached_file.record
._validators[file_field_name.to_sym]
.find { |validator| validator.class == ActiveStorageValidations::ContentTypeValidator }
end
end