Class: Convergence::PrettyDiff

Inherits:
Object
  • Object
show all
Defined in:
lib/convergence/pretty_diff.rb

Instance Method Summary collapse

Constructor Details

#initialize(from_tables, to_tables) ⇒ PrettyDiff

Returns a new instance of PrettyDiff.



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# File 'lib/convergence/pretty_diff.rb', line 6

def initialize(from_tables, to_tables)
  @from_tables = from_tables
  @to_tables = to_tables
end

Instance Method Details

#output ⇒ Object 



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# File 'lib/convergence/pretty_diff.rb', line 11

def output
  diff = Convergence::Diff.new.diff(@from_tables, @to_tables)
  add_tables = diff[:add_table].keys
  remove_tables = diff[:remove_table].keys
  change_tables = diff[:change_table].keys

  results = ''
  add_tables.each do |table_name|
    results += diff_add_table(table_name)
    results += "\n\n"
  end
  remove_tables.each do |table_name|
    results += diff_remove_table(table_name)
    results += "\n\n"
  end
  change_tables.each do |table_name|
    results += diff_change_table(table_name)
  end
  results
end