Refactored pdf generation with newest prawn.

app/controllers/orders_controller.rb

@@ -6,10 +6,6 @@ class OrdersController < ApplicationController
   
   before_filter :authenticate_orders
   
-  # Define layout exceptions for PDF actions:
-  layout "application", :except => [:faxPdf, :matrixPdf, :articlesPdf, :groupsPdf]
-  prawnto :prawn => { :page_size => 'A4' }
-  
   # List orders
   def index
     @open_orders = Order.open
@@ -43,13 +39,26 @@ class OrdersController < ApplicationController
   def show
     @order= Order.find(params[:id])
 
-    if params[:view]    # Articles-list will be replaced
-      @partial = case params[:view]
-                   when 'normal' then "articles"
-                   when 'groups'then 'shared/articles_by_groups'
-                   when 'articles'then 'shared/articles_by_articles'
-                 end
-      render :layout => false
+    respond_to do |format|
+      format.html
+      format.js do
+        @partial = case params[:view]
+                     when 'normal' then "articles"
+                     when 'groups'then 'shared/articles_by_groups'
+                     when 'articles'then 'shared/articles_by_articles'
+                     else 'articles'
+                   end
+        render :layout => false
+      end
+      format.pdf do
+        pdf = case params[:document]
+                when 'groups' then OrderByGroups.new(@order)
+                when 'articles' then OrderByArticles.new(@order)
+                when 'fax' then OrderFax.new(@order)
+                when 'matrix' then OrderMatrix.new(@order)
+              end
+        send_data pdf.to_pdf, filename: pdf.filename, type: 'application/pdf'
+      end
     end
   end
 
@@ -100,28 +109,6 @@ class OrdersController < ApplicationController
     redirect_to order, notice: "Die Bestellung wurde beendet."
   end
   
-  # Renders the groups-orderd PDF.
-  def groupsPdf
-    @order = Order.find(params[:id])
-    prawnto :filename => "#{Date.today}_#{@order.name}_GruppenSortierung.pdf"
-  end
-  
-  # Renders the articles-orderd PDF.
-  def articlesPdf
-    @order = Order.find(params[:id])
-    prawnto :filename => "#{Date.today}_#{@order.name}_ArtikelSortierung.pdf",
-            :prawn => { :left_margin => 48,
-                        :right_margin => 48,
-                        :top_margin => 48,
-                        :bottom_margin => 48 }
-  end
-  
-  # Renders the fax PDF.
-  def faxPdf
-    @order = Order.find(params[:id])
-    prawnto :filename => "#{Date.today}_#{@order.name}_FAX.pdf"
-  end
-  
   # Renders the fax-text-file
   # e.g. for easier use with online-fax-software, which don't accept pdf-files
   def text_fax_template
@@ -148,15 +135,4 @@ class OrdersController < ApplicationController
                 :type => 'text/plain; charset=utf-8; header=present',
                 :disposition => "attachment; filename=#{order.name}"
   end
-  
-  # Renders the matrix PDF.
-  def matrixPdf
-    @order = Order.find(params[:id])
-    unless @order.order_articles.ordered.empty?
-      prawnto :filename => "#{Date.today}_#{@order.name}_Matrix.pdf"
-    else
-      flash[:error] = "Es sind keine Artikel bestellt worden."
-      redirect_to @order
-    end
-  end
 end

app/documents/order_by_articles.rb

@@ -0,0 +1,33 @@
+# encoding: utf-8
+class OrderByArticles < OrderPdf
+
+  def filename
+    "Bestellung #{@order.name}-#{@order.ends.to_date} - Artikelsortierung.pdf"
+  end
+
+  def title
+    "Artikelsortierung der Bestellung: #{@order.name}, beendet am #{@order.ends.strftime('%d.%m.%Y')}"
+  end
+
+  def body
+    @order.order_articles.ordered.each do |order_article|
+      text "#{order_article.article.name} (#{order_article.article.unit} | #{order_article.price.unit_quantity.to_s} | #{number_with_precision(order_article.price.fc_price, precision: 2)})",
+           style: :bold, size: 10
+      rows = []
+      rows << %w(Bestellgruppe Menge Preis)
+      for goa in order_article.group_order_articles
+        rows << [goa.group_order.ordergroup.name,
+                 goa.result,
+                 number_with_precision(order_article.price.fc_price * goa.result, precision: 2)]
+      end
+
+      table rows, column_widths: [200,40,40], cell_style: {size: 8, overflow: :shrink_to_fit} do |table|
+        table.columns(1..2).align = :right
+        table.cells.border_width = 1
+        table.cells.border_color = '666666'
+      end
+      move_down 10
+    end
+  end
+
+end

app/documents/order_by_groups.rb

@@ -0,0 +1,51 @@
+# encoding: utf-8
+class OrderByGroups < OrderPdf
+
+  def filename
+    "Bestellung #{@order.name}-#{@order.ends.to_date} - Gruppensortierung.pdf"
+  end
+
+  def title
+    "Gruppensortierung der Bestellung: #{@order.name}, beendet am #{@order.ends.strftime('%d.%m.%Y')}"
+  end
+
+  def body
+    # Start rendering
+    @order.group_orders.each do |group_order|
+      text group_order.ordergroup.name, size: 9, style: :bold
+
+      total = 0
+      rows = []
+      rows << %w(Artikel Menge Preis GebGr Einheit Summe) # Table Header
+
+      group_order_articles = group_order.group_order_articles.ordered
+      group_order_articles.each do |goa|
+        price = goa.order_article.price.fc_price
+        sub_total = price * goa.result
+        total += sub_total
+        rows <<  [goa.order_article.article.name,
+                  goa.result,
+                  number_with_precision(price, precision: 2),
+                  goa.order_article.price.unit_quantity,
+                  goa.order_article.article.unit,
+                  number_with_precision(sub_total, precision: 2)]
+      end
+      rows << [ "Summe", nil, nil, nil, nil, number_with_precision(total, precision: 2)]
+
+      table rows, column_widths: [250,50,50,50,50,50], cell_style: {size: 8, overflow: :shrink_to_fit} do |table|
+        # borders
+        table.cells.borders = []
+        table.row(0).borders = [:bottom]
+        table.row(group_order_articles.size).borders = [:bottom]
+        table.cells.border_width            = 1
+        table.cells.border_color            = '666666'
+
+        table.columns(1..3).align = :right
+        table.columns(5).align = :right
+      end
+
+      move_down 15
+    end
+
+  end
+end

app/documents/order_fax.rb

@@ -0,0 +1,69 @@
+# encoding: utf-8
+class OrderFax < OrderPdf
+
+  def filename
+    "Bestellung #{@order.name}-#{@order.ends.to_date} - Fax.pdf"
+  end
+
+  def title
+    false
+  end
+
+  def body
+    contact = FoodsoftConfig[:contact].symbolize_keys
+
+    # From paragraph
+    bounding_box [margin_box.right-200,margin_box.top], width: 200 do
+      text FoodsoftConfig[:name], align: :right
+      move_down 5
+      text contact[:street], align: :right
+      move_down 5
+      text "#{contact[:zip_code]} #{contact[:city]}", align: :right
+      move_down 10
+      text contact[:phone], size: 9, align: :right
+      move_down 5
+      text contact[:email], size: 9, align: :right
+    end
+
+    # Recipient
+    bounding_box [margin_box.left,margin_box.top-60], width: 200 do
+      text @order.name
+      move_down 5
+      text @order.supplier.address
+      move_down 5
+      text "Fax: " + @order.supplier.fax
+    end
+
+    text Date.today.strftime('%d.%m.%Y'), align: :right
+
+    move_down 10
+    text "Lieferdatum:"
+    move_down 10
+    text "Ansprechpartner: " + @order.supplier.contact_person
+    move_down 10
+
+    # Articles
+    data = [["BestellNr.", "Menge","Name", "Gebinde", "Einheit","Preis/Einheit"]]
+    data = @order.order_articles.ordered.all(include: :article).collect do |a|
+      [a.article.order_number,
+       a.units_to_order,
+       a.article.name,
+       a.price.unit_quantity,
+       a.article.unit,
+       a.price.price]
+    end
+    table data, cell_style: {size: 8, overflow: :shrink_to_fit} do |table|
+      table.cells.border_width = 1
+      table.cells.border_color = '666666'
+
+      table.columns(1).align = :right
+      table.columns(3..5).align = :right
+    end
+              #font_size: 8,
+              #vertical_padding: 3,
+              #border_style: :grid,
+              #headers: ["BestellNr.", "Menge","Name", "Gebinde", "Einheit","Preis/Einheit"],
+              #align: {0 => :left}
+  end
+
+end

app/documents/order_matrix.rb

@@ -0,0 +1,86 @@
+# encoding: utf-8
+class OrderMatrix < OrderPdf
+
+  MAX_ARTICLES_PER_PAGE = 16 # How many order_articles shoud written on a page
+  
+  def filename
+    "Bestellung #{@order.name}-#{@order.ends.to_date} - Sortiermatrix.pdf"
+  end
+
+  def title
+    "Sortiermatrix der Bestellung: #{@order.name}, beendet am #{@order.ends.strftime('%d.%m.%Y')}"
+  end
+
+  def body
+    order_articles = @order.order_articles.ordered
+
+    text "Artikelübersicht", style: :bold
+    move_down 5
+    text "Insgesamt #{order_articles.size} Artikel", size: 8
+    move_down 10
+
+    order_articles_data = [%w(Artikel Einheit Gebinde FC-Preis Menge)]
+
+    order_articles.each do |a|
+      order_articles_data << [a.article.name,
+                              a.article.unit,
+                              a.price.unit_quantity,
+                              number_with_precision(a.price.fc_price, precision: 2),
+                              a.units_to_order]
+    end
+
+    table order_articles_data, cell_style: {size: 8, overflow: :shrink_to_fit} do |table|
+      table.cells.border_width = 1
+      table.cells.border_color = '666666'
+    end
+
+    page_number = 0
+    total_num_order_articles = order_articles.size
+
+    while page_number * MAX_ARTICLES_PER_PAGE < total_num_order_articles do  # Start page generating
+
+      page_number += 1
+      start_new_page(layout: :landscape)
+
+      # Collect order_articles for this page
+      current_order_articles = order_articles.select do |a|
+        order_articles.index(a) >= (page_number-1) * MAX_ARTICLES_PER_PAGE and
+            order_articles.index(a) < page_number * MAX_ARTICLES_PER_PAGE
+      end
+
+      # Make order_articles header
+      header = [""]
+      for header_article in current_order_articles
+        name = header_article.article.name.gsub(/[-\/]/, " ").gsub(".", ". ")
+        name = name.split.collect { |w| w.truncate(8) }.join(" ")
+        header << name.truncate(30)
+      end
+
+      # Collect group results
+      groups_data = [header]
+
+      @order.group_orders.includes(:ordergroup).all.each do |group_order|
+
+        group_result = [group_order.ordergroup.name.truncate(20)]
+
+        for order_article in current_order_articles
+          # get the Ordergroup result for this order_article
+          goa = order_article.group_order_articles.first conditions: { group_order_id: group_order.id }
+          group_result << ((goa.nil? || goa.result == 0) ? "" : goa.result.to_i)
+        end
+        groups_data << group_result
+      end
+
+      # Make table
+      column_widths = [85]
+      (MAX_ARTICLES_PER_PAGE + 1).times { |i| column_widths << 41 unless i == 0 }
+      table groups_data, column_widths: column_widths, cell_style: {size: 8, overflow: :shrink_to_fit} do |table|
+        table.cells.border_width = 1
+        table.cells.border_color = '666666'
+        table.row_colors = ['ffffff','ececec']
+      end
+
+    end
+  end
+
+end

app/helpers/orders_helper.rb

@@ -5,9 +5,9 @@ module OrdersHelper
     link_to text, order_path(order, :view => view), :remote => true
   end
 
-  def link_to_pdf(order, action)
+  def order_pdf(order, document)
     link_to image_tag("save_pdf.png", :size => "16x16", :border => "0", :alt => "PDF erstellen"),
-      { :action => action, :id => order, :format => :pdf }, { :title => "PDF erstellen" }
+      order_path(order, :document => document, :format => :pdf), { :title => "PDF erstellen" }
   end
 
   def options_for_suppliers_to_select

app/views/orders/articlesPdf.pdf.prawn

@@ -1,36 +0,0 @@
-end_date = @order.ends.strftime('%d.%m.%Y')
-title = "#{@order.name} | beendet am #{end_date}"
-
-# Define header and footer
-pdf.header [pdf.margin_box.left,pdf.margin_box.top+30] do
-  pdf.text title, :size => 10, :align => :center
-end
-pdf.footer [pdf.margin_box.left, pdf.margin_box.bottom-5] do
-  pdf.stroke_horizontal_rule
-  pdf.text "Seite #{pdf.page_count}", :size => 8
-end
-
-# Start rendering
-
-for order_article in @order.order_articles.ordered
-  pdf.text "#{order_article.article.name} (#{order_article.article.unit} |\
-#{order_article.price.unit_quantity.to_s} | #{number_to_currency(order_article.price.fc_price)})",
-    :style => :bold, :size => 10
-  pdf.move_down 5
-  data = []
-  for goa in order_article.group_order_articles
-    data << [goa.group_order.ordergroup.name,
-            goa.result,
-            number_with_precision(order_article.price.fc_price * goa.result)]
-  end
-
-  pdf.table data,
-    :font_size => 8,
-    :headers => ["Bestellgruppe", "Menge", "Preis"],
-    :widths => { 0 => 200, 1 => 40, 2 => 40 },
-    :border_style => :grid,
-    :row_colors => ['ffffff','ececec'],
-    :vertical_padding => 3,
-    :align => { 2 => :right }
-  pdf.move_down 10
-end

app/views/orders/faxPdf.pdf.prawn

@@ -1,53 +0,0 @@
-# Get ActiveRecord objects
-contact = FoodsoftConfig[:contact].symbolize_keys
-
-# Define header and footer
-#pdf.header [pdf.margin_box.left,pdf.margin_box.top+30] do
-#  pdf.text title, :size => 10, :align => :center
-#end
-pdf.footer [pdf.margin_box.left, pdf.margin_box.bottom-5] do
-  pdf.stroke_horizontal_rule
-  pdf.text "Seite #{pdf.page_count}", :size => 8
-end
-
-# From paragraph
-pdf.bounding_box [pdf.margin_box.right-200,pdf.margin_box.top], :width => 200 do
-  pdf.text FoodsoftConfig[:name], :align => :right
-  pdf.move_down 5
-  pdf.text contact[:street], :align => :right
-  pdf.move_down 5
-  pdf.text contact[:zip_code] + " " + contact[:city], :align => :right
-  pdf.move_down 10
-  pdf.text contact[:phone], :size => 9, :align => :right
-  pdf.move_down 5
-  pdf.text contact[:email], :size => 9, :align => :right
-end
-
-# Recipient
-pdf.bounding_box [pdf.margin_box.left,pdf.margin_box.top-60], :width => 200 do
-  pdf.text @order.name
-  pdf.move_down 5
-  pdf.text @order.supplier.address
-  pdf.move_down 5
-  pdf.text "Fax: " + @order.supplier.fax
-end
-
-pdf.text Date.today.strftime('%d.%m.%Y'), :align => :right
-
-pdf.move_down 10
-pdf.text "Lieferdatum:"
-pdf.move_down 10
-pdf.text "Ansprechpartner: " + @order.supplier.contact_person
-pdf.move_down 10
-
-# Articles
-data = @order.order_articles.ordered.all(:include => :article).collect do |a|
-  [a.article.order_number, a.units_to_order, a.article.name,
-   a.price.unit_quantity, a.article.unit, a.price.price]
-end
-pdf.table data,
-  :font_size => 8,
-  :vertical_padding => 3,
-  :border_style => :grid,
-  :headers => ["BestellNr.", "Menge","Name", "Gebinde", "Einheit","Preis/Einheit"],
-  :align => {0 => :left}

app/views/orders/groupsPdf.pdf.prawn

@@ -1,48 +0,0 @@
-end_date = @order.ends.strftime('%d.%m.%Y')
-title = "Gruppensortierung für #{@order.name}, beendet am #{end_date}"
-
-# Define header and footer
-pdf.header [pdf.margin_box.left,pdf.margin_box.top+20] do
-  pdf.text title, :size => 10, :align => :center
-end
-pdf.footer [pdf.margin_box.left, pdf.margin_box.bottom-5] do
-  pdf.stroke_horizontal_rule
-  pdf.text "Seite #{pdf.page_count}", :size => 8
-end
-
-
-# Start rendering
-groups = @order.group_orders.size
-counter = 1
-for group_order in @order.group_orders
-  pdf.text group_order.ordergroup.name, :style => :bold
-  pdf.move_down 5
-  pdf.text "Gruppe #{counter.to_s}/#{groups.to_s}", :size => 8
-  pdf.move_down 5
-
-  total = 0
-  data = []
-  group_order.group_order_articles.ordered.each do |goa|
-    price = goa.order_article.price.fc_price
-    sub_total = price * goa.result
-    total += sub_total
-    data <<  [goa.order_article.article.name,
-              goa.result, number_with_precision(price),
-              goa.order_article.price.unit_quantity,
-              goa.order_article.article.unit,
-              number_with_precision(sub_total)]
-  end
-  data << [ {:text => "Summe", :colspan => 5}, number_with_precision(total)]
-
-  pdf.table data,
-    :font_size => 8,
-    :border_style => :grid,
-    :vertical_padding => 3,
-    :headers => ["Artikel", "Menge", "Preis", "GebGr", "Einheit", "Summe"],
-    :widths => { 0 => 250 },
-    :row_colors => ['ffffff','ececec'],
-    :align => { 0 => :right, 5 => :right }
-
-  counter += 1
-  pdf.move_down 10
-end

app/views/orders/matrixPdf.pdf.prawn

@@ -1,83 +0,0 @@
-title = "#{@order.name}, beendet am #{@order.ends.strftime('%d.%m.%Y')}"
-
-# Define header and footer
-pdf.header [pdf.margin_box.left,pdf.margin_box.top+20] do
-  pdf.text title, :size => 10, :align => :center
-end
-pdf.footer [pdf.margin_box.left, pdf.margin_box.bottom-5] do
-  pdf.stroke_horizontal_rule
-  pdf.move_down 2
-  pdf.text "Seite #{pdf.page_count}", :size => 8
-end
-
-max_order_articles_per_page = 16 # How many order_articles shoud written on a page
-order_articles = @order.order_articles.ordered
-
-pdf.text "Artikelübersicht", :style => :bold
-pdf.move_down 5
-pdf.text "Insgesamt #{order_articles.size} Artikel", :size => 8
-pdf.move_down 10
-
-order_articles_data = order_articles.collect do |a|
-  [a.article.name, a.article.unit, a.price.unit_quantity, number_with_precision(a.price.fc_price), a.units_to_order]
-end
-pdf.table order_articles_data,
-  :font_size => 8,
-    :border_style => :grid,
-    :vertical_padding => 3,
-    :headers => ["Artikel", "Einheit", "Gebinde", "FC-Preis", "Menge"],
-    :align => { 3 => :right }
-
-
-page_number = 0
-total_num_order_articles = order_articles.size
-
-while (page_number * max_order_articles_per_page < total_num_order_articles) do  # Start page generating
-
-  page_number += 1
-  pdf.start_new_page(:layout => :landscape)
-  pdf.header [pdf.margin_box.left,pdf.margin_box.top+20] do
-    pdf.text title, :size => 10, :align => :center
-  end
-
-  # Collect order_articles for this page
-  current_order_articles = order_articles.select do |a|
-    order_articles.index(a) >= (page_number-1) * max_order_articles_per_page and
-    order_articles.index(a) < page_number * max_order_articles_per_page
-  end
-
-  # Make order_articles header
-  header = [""]
-  for header_article in current_order_articles
-    name = header_article.article.name.gsub(/[-\/]/, " ").gsub(".", ". ")
-    name = name.split.collect { |w| truncate(w, :length => 8, :omission => "..") }.join(" ")
-    header << truncate(name, :length => 30, :omission => " ..")
-  end
-
-  # Collect group results
-  groups_data = []
-  for group_order in @order.group_orders.all(:include => :ordergroup)
-
-    group_result = [truncate(group_order.ordergroup.name, :length => 20)]
-
-    for order_article in current_order_articles
-      # get the Ordergroup result for this order_article
-      goa = order_article.group_order_articles.first :conditions => { :group_order_id => group_order.id }
-      group_result << ((goa.nil? || goa.result == 0) ? "" : goa.result.to_i)
-    end
-    groups_data << group_result
-  end
-
-  # Make table
-  widths = {0 => 85}  # Generate widths-hash for table layout
-  (max_order_articles_per_page + 1).times { |i| widths.merge!({ i => 41 }) unless i == 0 }
-  logger.debug "Spaltenbreiten: #{widths.inspect}"
-  pdf.table groups_data,
-    :font_size => 8,
-    :border_style => :grid,
-    :vertical_padding => 3,
-    :headers => header,
-    :column_widths => widths,
-    :row_colors => ['ffffff','ececec']
-
-end

app/views/orders/show.html.haml

@@ -30,7 +30,7 @@
     %p
       Gruppenbestellungen:
       %b= @order.group_orders.count
-      = "[#{@order.group_orders.find(:all, :include => :ordergroup).collect{|g| g.ordergroup.name}.join(', ')}]"
+      = "[#{@order.group_orders.includes(:ordergroup).all.collect{|g| g.ordergroup.name}.join(', ')}]"
       
     %p
       Netto/Bruttosumme aller Artikel:
@@ -56,16 +56,16 @@
         = update_articles_link(@order, "Artikelübersicht", :normal)
         |
         = update_articles_link(@order, "Sortiert nach Gruppen", :groups)
-        = link_to_pdf(@order, 'groupsPdf')
+        = order_pdf(@order, :groups)
         |
         = update_articles_link(@order, "Sortiert nach Artikeln", :articles)
-        = link_to_pdf(@order, 'articlesPdf')
+        = order_pdf(@order, :articles)
         |
         Matrix:
-        = link_to_pdf(@order, 'matrixPdf')
+        = order_pdf(@order, :matrix)
         |
         Faxvorlage:
-        = link_to_pdf(@order, 'faxPdf')
+        = order_pdf(@order, :fax)
         = link_to image_tag("text_file.png", :size => "16x16", :border => "0", :alt => "Textdatei erstellen"), { :action => 'text_fax_template', :id => @order }, { :title => "Download file" }
         |
         = link_to 'Kommentare', '#comments'