add order item and order summary slim pdf

app/pdf/order_summary_slim_pdf.rb

@@ -0,0 +1,155 @@
+class OrderSummarySlimPdf < Prawn::Document
+  include ActionView::Helpers::NumberHelper
+  attr_accessor :label_width,:price_column_width,:page_width, :page_height, :margin, :price_width, :item_width, :header_font_size, :item_font_size,:item_height,:qty_width,:total_width,:item_description_width
+  def initialize(print_settings,order, print_status, order_items = nil,alt_name)
+    self.page_width = print_settings.page_width
+    self.page_height = print_settings.page_height
+    self.margin = 0
+    self.price_width = 40 # No Need for item
+    self.qty_width = 40
+    self.total_width = 40  # No Need for item
+    self.item_width = self.page_width - (self.qty_width - self.margin)
+    self.item_height = 15   
+    self.item_description_width = self.page_width - (self.price_width + self.qty_width + self.total_width)
+    self.label_width=90     
+
+    super(:margin => [print_settings.heading_space, self.margin, self.margin, self.margin], :page_size => [self.page_width, self.page_height])
+
+    # db font setup
+    if print_settings.font != ""
+        font_families.update("#{print_settings.font}" => {
+            :normal => "public/fonts/#{print_settings.font}.ttf",
+            :italic => "public/fonts/#{print_settings.font}.ttf",
+            :bold => "public/fonts/#{print_settings.font}.ttf",
+            :bold_italic => "public/fonts/#{print_settings.font}.ttf"
+        })
+
+        font "#{print_settings.font}"
+        fallback_fonts ["Courier", "Helvetica", "Times-Roman"]
+
+        self.header_font_size = 11
+        self.item_font_size = 9 
+    else
+        self.header_font_size = 12
+        self.item_font_size = 10       
+    end
+
+    # font "public/fonts/Zawgyi-One.ttf"
+    # font "public/fonts/padauk.ttf"
+
+    text "#{ order[0].type + '-' + order[0].dining + print_status }", :size => self.header_font_size,:align => :center, :left_margin => -20
+    stroke_horizontal_rule
+    move_down 1
+
+    #order_info
+    order_info(order[0].order_id, order[0].order_by,order[0].order_at)
+
+    # order items
+    if order_items == nil
+      order_items(order, alt_name, print_settings.precision)
+    else
+      order_items(order_items, alt_name, print_settings.precision)
+    end
+  end
+
+  # Write Order Information to PDF
+  def order_info(order_no, order_by, order_at)    
+    y_position = cursor
+    bounding_box([0,y_position], :width => self.item_width, :height => self.item_height) do
+        text "OrderNo: #{order_no} ", :size => self.item_font_size,:align => :left    
+    end
+
+    move_down 1
+    y_position = cursor
+    bounding_box([0,y_position], :width => self.item_width, :height => self.item_height) do
+        text "OrderBy: #{order_by} ", :size => self.item_font_size,:align => :left    
+    end
+
+    move_down 1
+    y_position = cursor
+    bounding_box([0,y_position], :width => self.item_width, :height => self.item_height) do
+        text "Date: #{order_at.utc.getlocal.strftime("%Y-%m-%d %I:%M %p")}", :size => self.item_font_size,:align => :left    
+    end
+
+    stroke_horizontal_rule
+
+    move_down 1
+  end
+
+  # Write Order items to PDF
+  def order_items(order_item, alt_name, precision)
+    y_position = cursor
+
+    bounding_box([0,y_position], :width => self.item_width, :height => self.item_height) do
+        text "Item", :size => self.item_font_size,:align => :left
+    end
+
+    bounding_box([self.item_width,y_position], :width => self.qty_width, :height => self.item_height) do
+        text "Qty", :size => self.item_font_size,:align => :left
+    end
+
+    stroke_horizontal_rule
+    move_down 1
+
+    #Add Order Item
+    add_order_items(order_item, alt_name, precision)
+    
+  end
+
+  # Add order items under order info
+  def add_order_items(order_item, alt_name, precision)
+    y_position = cursor
+
+    move_down 1
+
+    order_item.each do|odi|
+      # check for item not to show 
+      # if odi.price != 0
+        y_position = cursor
+
+        bounding_box([0,y_position], :width => self.item_width) do
+          text "#{odi.item_name}", :size => self.item_font_size,:align => :left
+
+        end
+
+        bounding_box([self.item_width,y_position], :width => self.qty_width) do
+          text "#{number_with_precision(odi.qty, :precision => precision.to_i)}", :size => self.item_font_size,:align => :left
+        end
+
+        bounding_box([0,y_position], :width => self.item_width) do
+          text "#{odi.item_name}", :size => self.item_font_size,:align => :left
+
+        end
+        
+        if alt_name
+          if !(odi.alt_name).empty?
+            move_down 1
+            font("public/fonts/NotoSansCJKtc-Regular.ttf") do
+              text "(#{odi.alt_name})", :size => self.item_font_size,:align => :left, :inline_format => true
+            end
+          end
+        end
+
+        # add option
+        options = odi.options == "[]"? "" : odi.options
+        
+        if options != ""
+          move_down 1
+
+          y_position = cursor
+          bounding_box([0,y_position], :width => self.item_width) do
+              text "#{options}", :size => self.item_font_size,:align => :left
+          end
+
+          move_down 1
+        end
+
+        move_down 1
+
+        dash(1, :space => 1, :phase => 1)
+        stroke_horizontal_line 0, (self.page_width - self.margin)
+        move_down 1
+      # end
+    end        
+  end
+end