Class: Cerberus::Status

Inherits:
Object
  • Object
show all
Defined in:
lib/cerberus/manager.rb

Overview

Fields that are contained in status file

successful_build_timestamp
timestamp
successful (true mean previous build was successful, otherwise - false)
revision
brokeness
successful_build_revision

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(param) ⇒ Status

Returns a new instance of Status.



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# File 'lib/cerberus/manager.rb', line 291

def initialize(param)
  if param.is_a? Hash
    @hash = param
    @current_build_successful = @hash['state']
    @already_kept = true
  else
    @path = param
    value = File.exists?(@path) ? YAML.load(IO.read(@path)) : nil
    
    @hash =
    case value
    when String
      value = %w(succesful successful setup).include?(value) #fix typo in status values
      {'successful' => value}
    when nil
      {}
    else
      value
    end
    
    @already_kept = false
  end
  
  @revision = @hash['revision']
  @successful_build_revision = @hash['successful_build_revision']
  @previous_build_successful = @hash['successful']
  @previous_brokeness = @hash['brokeness']

  # Create some convenience methods to access status
  @hash.keys.each { |key| self.class.send( :define_method, key ) { @hash[key] } }
end

Instance Attribute Details

#current_brokeness ⇒ Object (readonly)

Returns the value of attribute current_brokeness.



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# File 'lib/cerberus/manager.rb', line 289

def current_brokeness
  @current_brokeness
end

#current_build_successful ⇒ Object (readonly)

Returns the value of attribute current_build_successful.



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# File 'lib/cerberus/manager.rb', line 289

def current_build_successful
  @current_build_successful
end

#previous_brokeness ⇒ Object (readonly)

Returns the value of attribute previous_brokeness.



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# File 'lib/cerberus/manager.rb', line 289

def previous_brokeness
  @previous_brokeness
end

#previous_build_successful ⇒ Object (readonly)

Returns the value of attribute previous_build_successful.



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# File 'lib/cerberus/manager.rb', line 289

def previous_build_successful
  @previous_build_successful
end

#revision ⇒ Object (readonly)

Returns the value of attribute revision.



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# File 'lib/cerberus/manager.rb', line 289

def revision
  @revision
end

#successful_build_revision ⇒ Object (readonly)

Returns the value of attribute successful_build_revision.



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# File 'lib/cerberus/manager.rb', line 289

def successful_build_revision
  @successful_build_revision
end

Class Method Details

.read(file_name) ⇒ Object 



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# File 'lib/cerberus/manager.rb', line 323

def self.read(file_name)
  Status.new(file_name)
end

Instance Method Details

#current_state ⇒ Object 



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# File 'lib/cerberus/manager.rb', line 347

def current_state
  raise "Invalid project state. Before calculating status please do keeping of it." unless @already_kept
  
  if @current_build_successful
    if @previous_build_successful.nil?
      :setup
    else
      @previous_build_successful ? :successful : :revival
    end
  else
    @previous_build_successful ? :failed : :broken
  end
end

#keep(build_successful, revision, brokeness) ⇒ Object 



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# File 'lib/cerberus/manager.rb', line 327

def keep(build_successful, revision, brokeness)
  raise 'Status could be kept only once. Please try to reread status file.' if @already_kept
  
  @current_brokeness = brokeness
  @current_build_successful = build_successful
  
  hash = {'successful' => @current_build_successful, 'timestamp' => Time.now, 'revision' => revision, 'brokeness' => brokeness}
  if build_successful
    hash['successful_build_timestamp'] = Time.now
    hash['successful_build_revision'] = revision
  else
    hash['successful_build_timestamp'] = @hash['successful_build_timestamp']
    hash['successful_build_revision'] = @hash['successful_build_revision']
  end
  
  File.open(@path, "w+", 0777) { |file| file.write(YAML.dump(hash)) }
  
  @already_kept = true
end