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Versions: 12
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Stored size: 1.86 KB
Contents
class ::Spree::PromotionCode::BatchBuilder
attr_reader :promotion_code_batch
delegate :promotion, :number_of_codes, :base_code, to: :promotion_code_batch
class_attribute :random_code_length, :batch_size, :sample_characters, :join_characters
self.random_code_length = 6
self.batch_size = 1_000
self.sample_characters = ('a'..'z').to_a + (2..9).to_a.map(&:to_s)
self.join_characters = "_"
def initialize(promotion_code_batch)
@promotion_code_batch = promotion_code_batch
end
def build_promotion_codes
generate_random_codes
promotion_code_batch.update!(state: "completed")
rescue => e
promotion_code_batch.update!(
error: e.inspect,
state: "failed"
)
raise e
end
private
def generate_random_codes
total_batches = (number_of_codes.to_f / self.class.batch_size).ceil
total_batches.times do |i|
codes_for_current_batch = Set.new
codes_to_generate = [self.class.batch_size, number_of_codes - i * batch_size].min
while codes_for_current_batch.size < codes_to_generate
new_codes = Array.new(codes_to_generate) { generate_random_code }.to_set
codes_for_current_batch += get_unique_codes(new_codes)
end
codes_for_current_batch.map do |value|
promotion.codes.build(value: value, promotion_code_batch: promotion_code_batch)
end
promotion.save!
# We have to reload the promotion because otherwise all promotion codes
# we are creating will remain in memory. Doing a reload will remove all
# codes from memory.
promotion.reload
end
end
def generate_random_code
suffix = Array.new(self.class.random_code_length) do
sample_characters.sample
end.join
"#{base_code}#{join_characters}#{suffix}"
end
def get_unique_codes(code_set)
code_set - Spree::PromotionCode.where(value: code_set.to_a).pluck(:value)
end
end
Version data entries
12 entries across 12 versions & 1 rubygems