77 lines
2.4 KiB
Ruby
77 lines
2.4 KiB
Ruby
# encoding: utf-8
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class OrderByArticles < OrderPdf
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# optimal value depends on the average number of ordergroups ordering an article
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# as well as the available memory
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BATCH_SIZE = 50
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attr_reader :order
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def filename
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I18n.t('documents.order_by_articles.filename', :name => order.name, :date => order.ends.to_date) + '.pdf'
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end
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def title
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I18n.t('documents.order_by_articles.title', :name => order.name,
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:date => order.ends.strftime(I18n.t('date.formats.default')))
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end
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def body
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each_order_article do |order_article|
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down_or_page
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rows = []
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dimrows = []
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each_group_order_article_for(order_article) do |goa|
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rows << [goa.group_order.ordergroup_name,
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"#{goa.quantity} + #{goa.tolerance}",
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goa.result,
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number_to_currency(goa.total_price(order_article))]
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dimrows << rows.length if goa.result == 0
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end
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next if rows.length == 0
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rows.unshift I18n.t('documents.order_by_articles.rows') # table header
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text "#{order_article.article.name} (#{order_article.article.unit} | #{order_article.price.unit_quantity.to_s} | #{number_to_currency(order_article.price.fc_price)})",
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style: :bold, size: fontsize(10)
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table rows, cell_style: {size: fontsize(8), overflow: :shrink_to_fit} do |table|
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table.column(0).width = 200
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table.columns(1..3).align = :right
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table.column(2).font_style = :bold
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table.cells.border_width = 1
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table.cells.border_color = '666666'
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table.rows(0).border_bottom_width = 2
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# dim rows which were ordered but not received
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dimrows.each do |ri|
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table.row(ri).text_color = '999999'
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table.row(ri).columns(0..-1).font_style = nil
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end
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end
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end
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end
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private
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def order_articles
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order.order_articles.ordered.
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joins(:article).
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preload(:article_price). # don't join but preload article_price, just in case it went missing
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preload(:group_order_articles => {:group_order => :ordergroup})
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end
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def each_order_article
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order_articles.find_each_with_order(batch_size: BATCH_SIZE) {|oa| yield oa }
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end
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def group_order_articles_for(order_article)
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goas = order_article.group_order_articles.to_a
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goas.sort_by! {|goa| goa.group_order.ordergroup_name }
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goas
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end
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def each_group_order_article_for(group_order)
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group_order_articles_for(group_order).each {|goa| yield goa }
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end
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end
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