98 lines
3.3 KiB
Ruby
98 lines
3.3 KiB
Ruby
# encoding: utf-8
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class MultipleOrdersByArticles < OrderPdf
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include OrdersHelper
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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.multiple_orders_by_articles.filename', count: order.count) + '.pdf'
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end
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def title
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I18n.t('documents.multiple_orders_by_articles.title', count: order.count)
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end
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# @todo refactor to reduce common code with order_by_articles
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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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has_units_str = ''
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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.tolerance > 0 ? "#{goa.quantity} + #{goa.tolerance}" : goa.quantity,
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group_order_article_result(goa),
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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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sum = order_article.group_orders_sum
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rows.unshift I18n.t('documents.order_by_articles.rows').dup # table header
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rows << [I18n.t('documents.order_by_groups.sum'),
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order_article.tolerance > 0 ? "#{order_article.quantity} + #{order_article.tolerance}" : order_article.quantity,
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sum[:quantity],
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nil] #number_to_currency(sum[:price])]
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text "<b>#{order_article.article.name}</b> " +
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"(#{order_article.article.unit}; #{number_to_currency order_article.price.fc_price}; " +
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units_history_line(order_article, plain: true) + ')',
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size: fontsize(10), inline_format: true
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table rows, cell_style: {size: fontsize(8), overflow: :shrink_to_fit} do |table|
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# borders
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table.cells.borders = [:bottom]
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table.cells.border_width = 0.02
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table.cells.border_color = 'dddddd'
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table.rows(0).border_width = 1
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table.rows(0).border_color = '666666'
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table.row(rows.length-2).border_width = 1
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table.row(rows.length-2).border_color = '666666'
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table.row(rows.length-1).borders = []
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table.column(0).width = 200
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table.columns(1..2).align = :center
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table.column(2).font_style = :bold
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table.columns(3).align = :right
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# dim rows which were ordered but not received
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dimrows.each { |ri| table.row(ri).text_color = '999999' }
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end
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end
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end
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protected
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def pdf_add_page_breaks?
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super 'order_by_articles'
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end
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def order_articles
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OrderArticle.where(order_id: order).ordered.
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includes(:article).references(:article).
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reorder('order_articles.order_id, articles.name').
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preload(:article_price). # preload not join, just in case it went missing
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preload(:order, :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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