scinote-web/app/services/label_templates/repository_row_service.rb

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# frozen_string_literal: true
module LabelTemplates
class RepositoryRowService
class UnsupportedKeyError < StandardError; end
class ColumnNotFoundError < StandardError; end
class LogoNotFoundError < StandardError; end
MAX_PRINTABLE_ITEM_NAME_LENGTH = 64
def initialize(label_template, repository_row, print_mode=false)
@label_template = label_template
@repository_row = repository_row
@print_mode = print_mode
@repository_columns = RepositoryColumn.where(repository_id: @repository_row.repository_id).pluck(:name)
end
def render
keys = @label_template.content.scan(/(?<=\{\{).*?(?=\}\})/).uniq
keys.reduce(@label_template.content.dup) do |rendered_content, key|
rendered_content.gsub!(/\{\{#{key}\}\}/, fetch_value(key))
rescue ColumnNotFoundError, LogoNotFoundError => e
raise e unless @print_mode
rendered_content
end
end
private
def fetch_value(key)
case key
when /^c_(.*)/
name = Regexp.last_match(1)
unless @repository_columns.include?(name)
raise ColumnNotFoundError, I18n.t('label_templates.repository_row.errors.column_not_found')
end
return '' unless @print_mode
repository_cell = @repository_row.repository_cells.joins(:repository_column).find_by(
repository_columns: { name: name }
)
repository_cell ? repository_cell.value.formatted : ''
when 'ITEM_ID'
@repository_row.code
when 'NAME'
@repository_row.name.truncate(MAX_PRINTABLE_ITEM_NAME_LENGTH)
when 'ADDED_BY'
@repository_row.created_by.full_name
when 'ADDED_ON'
@repository_row.created_at.to_s
when 'LOGO'
logo
else
raise ColumnNotFoundError, I18n.t('label_templates.repository_row.errors.column_not_found')
end
end
def logo
raise LogoNotFoundError, I18n.t('label_templates.repository_row.errors.logo_not_supported')
end
end
end