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Contents
# Generates a PDF of member cards.
#
# Generators use a namespace and classes to take advantage of the convention
# used to include templates in PdfGeneration (ClassName -> partial_name in app/views/pdfs).
#
# Supported Member Card Templates:
# * Blanks Usa Id Card 6 (6 cards per 8"x11" page)
#
# To add support for other Member Card templates:
# 1. Create a class in the MemberCardGenerator namespace and include InstanceMethods
# 2. Create a partial in app/views/pdfs/member_card_generator using underscored version of the class name (e.g. Avery5361LaminatedIdCards -> avery5361_laminated_id_cards)
#
# Examples:
#
# generator = MemberCardGenerator::BlanksUsaIdc6.new(members)
# download_url = generator.generate
module MemberCardGenerator
module InstanceMethods
attr_reader :download_url
attr_reader :members
def initialize(members, template='blanks_usa_idc6')
@members = Array.wrap(members)
validate_members!
end
def id
hash
end
def generate
@download_url = pdf_generator.generate
end
def members
@members.select { |m| !m.memberships.current.first.blank? }
end
def pdf_generator
@pdf_generator ||= begin
PdfGeneration.new(self).tap do |p|
p.pdf_options = {
:page_size => 'Letter'
}
end
end
end
def validate_members!
errors = []
members.each_with_index do |member,index|
errors << " #{member.class} found at position #{index}" unless member.kind_of?(Member)
end
raise ArgumentError, "Only Member objects are supported for generating member cards:\n" + errors.join("\n") unless errors.empty?
end
end
class BlanksUsaIdc6
include InstanceMethods
end
end
Version data entries
11 entries across 11 versions & 1 rubygems