297 lines
9.1 KiB
Ruby
Executable File
297 lines
9.1 KiB
Ruby
Executable File
require "prawn"
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require "prawn/qrcode"
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require "rqrcode"
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# PDF ticket generator service using Prawn
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#
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# Generates simple, compact PDF tickets with QR codes for event entry validation
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# Clean, minimalist design that fits on a single page
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class TicketPdfGenerator
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# Suppress Prawn's internationalization warning for built-in fonts
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Prawn::Fonts::AFM.hide_m17n_warning = true
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attr_reader :ticket
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def initialize(ticket)
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@ticket = ticket
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end
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def generate
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Prawn::Document.new(page_size: [ 350, 600 ], margin: 20) do |pdf|
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# Header
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pdf.fill_color "2D1B69"
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pdf.font "Helvetica", style: :bold, size: 24
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pdf.text ENV.fetch("APP_NAME", "Aperonight"), align: :center
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pdf.move_down 10
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# Event name
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pdf.fill_color "000000"
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pdf.font "Helvetica", style: :bold, size: 18
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pdf.text ticket.event.name, align: :center
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pdf.move_down 10
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# Ticket info box
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pdf.stroke_color "E5E7EB"
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pdf.fill_color "F9FAFB"
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pdf.rounded_rectangle [ 0, pdf.cursor ], 310, 150, 10
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pdf.fill_and_stroke
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pdf.move_down 10
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pdf.fill_color "000000"
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pdf.font "Helvetica", size: 12
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# Customer name
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pdf.indent 10 do
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pdf.text "Ticket Holder:", style: :bold
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pdf.text "#{ticket.first_name} #{ticket.last_name}"
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end
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pdf.move_down 8
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# Ticket details
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pdf.indent 10 do
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pdf.text "Ticket Type:", style: :bold
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pdf.text ticket.ticket_type.name
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end
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pdf.move_down 8
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pdf.indent 10 do
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pdf.text "Price:", style: :bold
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pdf.text "€#{ticket.price_euros}"
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end
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pdf.move_down 8
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pdf.indent 10 do
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pdf.text "Date & Time:", style: :bold
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pdf.text ticket.event.start_time.strftime("%B %d, %Y at %I:%M %p")
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end
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pdf.move_down 20
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# Venue information
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pdf.fill_color "374151"
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pdf.font "Helvetica", style: :bold, size: 14
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pdf.text "Venue Information"
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pdf.move_down 8
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pdf.font "Helvetica", size: 11
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pdf.text ticket.event.venue_name, style: :bold
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pdf.text ticket.event.venue_address
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pdf.move_down 20
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# QR Code
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pdf.fill_color "000000"
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pdf.font "Helvetica", style: :bold, size: 14
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pdf.text "QR Code", align: :center
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pdf.move_down 10
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# Ensure all required data is present before generating QR code
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if ticket.qr_code.blank?
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raise "Ticket QR code is missing"
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end
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# Build QR code data with safe association loading
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qr_code_data = build_qr_code_data(ticket)
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# Validate QR code data before creating QR code
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if qr_code_data.blank? || qr_code_data == "{}"
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Rails.logger.error "QR code data is empty: ticket_id=#{ticket.id}, qr_code=#{ticket.qr_code}, event_id=#{ticket.ticket_type&.event_id}, user_id=#{ticket.order&.user_id}"
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raise "QR code data is empty or invalid"
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end
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# Ensure qr_code_data is a proper string for QR code generation
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unless qr_code_data.is_a?(String) && qr_code_data.length > 2
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Rails.logger.error "QR code data is not a valid string: #{qr_code_data.inspect} (class: #{qr_code_data.class})"
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raise "QR code data must be a valid string"
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end
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# Generate QR code - prawn-qrcode expects the data string directly
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pdf.print_qr_code(qr_code_data, extent: 120, align: :center)
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pdf.move_down 15
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# QR code text
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pdf.font "Helvetica", size: 8
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pdf.fill_color "6B7280"
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pdf.text "#{ticket.qr_code}", align: :center
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# Ticket ID
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pdf.font "Helvetica", size: 8
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pdf.fill_color "6B7280"
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pdf.text "Ticket ID: #{ticket.id}", align: :center
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# Footer
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pdf.move_down 30
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pdf.stroke_color "E5E7EB"
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pdf.horizontal_line 0, 310
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pdf.move_down 6
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pdf.font "Helvetica", size: 8
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pdf.fill_color "6B7280"
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pdf.text "This ticket is valid for one entry only.", align: :center
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pdf.text "Present this ticket at the venue entrance.", align: :center
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pdf.move_down 5
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pdf.text "Generated on #{Time.current.strftime('%B %d, %Y at %I:%M %p')}", align: :center
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end.render
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end
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private
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def create_simple_header(pdf)
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# Brand name
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pdf.fill_color "6366F1"
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pdf.font "Helvetica", style: :bold, size: 24
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pdf.text "AperoNight", align: :center
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pdf.move_down 5
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pdf.font "Helvetica", size: 10
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pdf.fill_color "64748B"
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pdf.text "Billet d'entree", align: :center
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pdf.move_down 20
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# Simple divider line
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pdf.stroke_color "E5E7EB"
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pdf.horizontal_line 0, pdf.bounds.width
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pdf.move_down 20
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end
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def create_ticket_info(pdf)
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# Event name - prominent
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pdf.fill_color "1F2937"
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pdf.font "Helvetica", style: :bold, size: 18
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pdf.text ticket.event.name, align: :center
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pdf.move_down 15
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# Two-column layout for ticket details
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pdf.bounding_box([0, pdf.cursor], width: pdf.bounds.width, height: 120) do
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# Left column
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pdf.bounding_box([0, pdf.cursor], width: pdf.bounds.width / 2 - 20, height: 120) do
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create_info_item(pdf, "Date", ticket.event.start_time.strftime("%d %B %Y"))
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create_info_item(pdf, "Heure", ticket.event.start_time.strftime("%H:%M"))
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create_info_item(pdf, "Lieu", ticket.event.venue_name)
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end
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# Right column
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pdf.bounding_box([pdf.bounds.width / 2 + 20, pdf.cursor], width: pdf.bounds.width / 2 - 20, height: 120) do
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create_info_item(pdf, "Type", ticket.ticket_type.name)
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create_info_item(pdf, "Prix", "#{sprintf('%.2f', ticket.price_euros)} EUR")
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create_info_item(pdf, "Titulaire", "#{ticket.first_name} #{ticket.last_name}")
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end
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end
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pdf.move_down 30
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end
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def create_info_item(pdf, label, value)
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pdf.font "Helvetica", style: :bold, size: 9
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pdf.fill_color "64748B"
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pdf.text label.upcase
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pdf.move_down 2
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pdf.font "Helvetica", size: 11
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pdf.fill_color "1F2937"
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pdf.text value
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pdf.move_down 12
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end
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def create_qr_section(pdf)
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# Center the QR code horizontally
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qr_size = 120
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x_position = (pdf.bounds.width - qr_size) / 2
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pdf.bounding_box([x_position, pdf.cursor], width: qr_size, height: qr_size + 40) do
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# QR Code title
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pdf.font "Helvetica", style: :bold, size: 12
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pdf.fill_color "1F2937"
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pdf.text "Code d'entree", align: :center
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pdf.move_down 10
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# Generate QR code
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generate_simple_qr_code(pdf, qr_size)
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pdf.move_down 10
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# QR code ID
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pdf.font "Helvetica", size: 8
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pdf.fill_color "64748B"
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pdf.text "ID: #{ticket.qr_code[0..15]}...", align: :center
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end
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pdf.move_down 40
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end
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def generate_simple_qr_code(pdf, size)
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# Ensure all required data is present before generating QR code
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if ticket.qr_code.blank?
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raise "Ticket QR code is missing"
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end
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# Build QR code data with safe association loading
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qr_code_data = build_qr_code_data(ticket)
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# Validate QR code data before creating QR code
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if qr_code_data.blank? || qr_code_data == "{}"
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Rails.logger.error "QR code data is empty: ticket_id=#{ticket.id}, qr_code=#{ticket.qr_code}, event_id=#{ticket.ticket_type&.event_id}, user_id=#{ticket.order&.user_id}"
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raise "QR code data is empty or invalid"
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end
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# Ensure qr_code_data is a proper string for QR code generation
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unless qr_code_data.is_a?(String) && qr_code_data.length > 2
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Rails.logger.error "QR code data is not a valid string: #{qr_code_data.inspect} (class: #{qr_code_data.class})"
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raise "QR code data must be a valid string"
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end
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# Generate QR code
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pdf.print_qr_code(qr_code_data, extent: size, align: :center)
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end
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def create_simple_footer(pdf)
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# Security notice
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pdf.font "Helvetica", size: 8
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pdf.fill_color "64748B"
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pdf.text "Ce billet est valable pour une seule entree.", align: :center
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pdf.text "Presentez ce code QR a l'entree de l'evenement.", align: :center
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pdf.move_down 10
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# Divider line
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pdf.stroke_color "E5E7EB"
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pdf.horizontal_line 0, pdf.bounds.width
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pdf.move_down 5
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# Generation timestamp
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pdf.font "Helvetica", size: 7
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pdf.fill_color "9CA3AF"
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timestamp = "Genere le #{Time.current.strftime('%d/%m/%Y a %H:%M')}"
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pdf.text timestamp, align: :center
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end
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def build_qr_code_data(ticket)
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# Try multiple approaches to get valid QR code data
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begin
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# Primary approach: full JSON with all data
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data = {
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ticket_id: ticket.id,
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qr_code: ticket.qr_code,
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event_id: ticket.ticket_type&.event_id,
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user_id: ticket.order&.user_id
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}.compact
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# Ensure we have the minimum required data
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if data[:ticket_id] && data[:qr_code]
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return data.to_json
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end
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rescue StandardError => e
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Rails.logger.warn "Failed to build complex QR data: #{e.message}"
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end
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# Fallback approach: just use the ticket's QR code string
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begin
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return ticket.qr_code.to_s if ticket.qr_code.present?
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rescue StandardError => e
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Rails.logger.warn "Failed to use ticket QR code: #{e.message}"
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end
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# Final fallback: simple ticket identifier
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"TICKET-#{ticket.id}"
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end
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end |