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educoder/app/services/create_diff_record_service.rb

30 lines
691 B

class CreateDiffRecordService < ApplicationService
attr_reader :user, :obj, :column_name, :after, :before
def initialize(user, obj, column_name, before, after)
@user = user
@obj = obj
@before = before
@after = after
@column_name = column_name
end
def call
ActiveRecord::Base.transaction do
diff_record = DiffRecord.create!(user: user, container: obj, column_name: column_name)
diff_record.create_diff_record_content!(content: diff_content)
end
end
private
def diff_content
content = ''
Diffy::Diff.new(before, after).each do |line|
next unless line =~ /^[\+-]/
content += line
end
content
end
end