Class: SchemaEvolutionManager::ApplyUtil

Inherits:
Object
  • Object
show all
Defined in:
lib/schema-evolution-manager/apply_util.rb

Instance Method Summary collapse

Constructor Details

#initialize(db, opts = {}) ⇒ ApplyUtil

Returns a new instance of ApplyUtil.



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# File 'lib/schema-evolution-manager/apply_util.rb', line 5

def initialize(db, opts={})
  @dry_run = opts.delete(:dry_run)
  if @dry_run.nil?
    @dry_run = true
  end

  @non_interactive = opts.delete(:non_interactive)
  if @non_interactive.nil?
    @non_interactive = false
  end

  @db = Preconditions.assert_class(db, Db)
  @scripts = Scripts.new(@db, Scripts::SCRIPTS)
end

Instance Method Details

#apply!(dir) ⇒ Object

Applies scripts in order, returning number of scripts applied



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# File 'lib/schema-evolution-manager/apply_util.rb', line 29

def apply!(dir)
  Preconditions.check_state(File.directory?(dir),
                            "Dir[%s] does not exist" % dir)

  pending_scripts = []
  @scripts.each_pending(dir) do |filename, path|
    pending_scripts << [filename, path]
  end

  if pending_scripts.size > 1 && !dry_run? && !non_interactive?
    puts "Please confirm that you would like to apply all (#{pending_scripts.size}) of the pending scripts:"
    pending_scripts.each do |filename, path|
      puts "  #{filename}"
    end
    continue = SchemaEvolutionManager::Ask.for_boolean("Continue?")
    if !continue
      return 0
    end
  end

  pending_scripts.each do |filename, path|
    if @dry_run
      puts "[DRY RUN] Applying #{filename}"
      puts path
      puts ""
    else
      print "Applying #{filename}"
      @db.psql_file(filename, path)
      @scripts.record_as_run!(filename)
      puts " Done"
    end
  end
  pending_scripts.size
end

#dry_run? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/schema-evolution-manager/apply_util.rb', line 20

def dry_run?
  @dry_run
end

#non_interactive? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/schema-evolution-manager/apply_util.rb', line 24

def non_interactive?
  @non_interactive
end