Class: Rake::Migrations::Manifest

Inherits:
Object
  • Object
show all
Defined in:
lib/rake/migrations/manifest.rb

Constant Summary collapse

DEFAULT_FILE_PATH = 
Rails.root.join('.rake.migrations.yml')

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file_path) ⇒ Manifest

Returns a new instance of Manifest.



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# File 'lib/rake/migrations/manifest.rb', line 13

def initialize(file_path)
  @file_path = file_path
  @tasks     = []
end

Instance Attribute Details

#file_path ⇒ Object (readonly)

Returns the value of attribute file_path.



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# File 'lib/rake/migrations/manifest.rb', line 11

def file_path
  @file_path
end

#tasks ⇒ Object (readonly)

Returns the value of attribute tasks.



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# File 'lib/rake/migrations/manifest.rb', line 11

def tasks
  @tasks
end

Class Method Details

.load(file_path = DEFAULT_FILE_PATH) ⇒ Object 



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# File 'lib/rake/migrations/manifest.rb', line 5

def self.load(file_path = DEFAULT_FILE_PATH)
  manifest = new(file_path)
  manifest.load
  manifest
end

Instance Method Details

#add_task(task) ⇒ Object 



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# File 'lib/rake/migrations/manifest.rb', line 18

def add_task(task)
  @tasks << task unless @tasks.include?(task)
end

#load ⇒ Object 



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# File 'lib/rake/migrations/manifest.rb', line 26

def load
  manifest = YAML.load_file(file_path).with_indifferent_access
  (manifest[:tasks] || []).each do |task|
    add_task Rake::Migrations::Task.new(*task)
  end
rescue Errno::ENOENT
end

#save ⇒ Object 



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# File 'lib/rake/migrations/manifest.rb', line 34

def save
  File.open(file_path, 'w') { |f| f.write to_yaml  }
end

#to_h ⇒ Object Also known as: to_hash 



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# File 'lib/rake/migrations/manifest.rb', line 38

def to_h
  {
    tasks: tasks.map(&:name)
  }
end

#to_yaml ⇒ Object 



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# File 'lib/rake/migrations/manifest.rb', line 45

def to_yaml
  to_hash.to_yaml
end

#update(task) ⇒ Object 



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# File 'lib/rake/migrations/manifest.rb', line 22

def update(task)
  add_task(task) && save
end