Class: Rollout

Inherits:
Object
  • Object
show all
Defined in:
lib/rollout.rb,
lib/rollout/legacy.rb,
lib/rollout/version.rb

Defined Under Namespace

Classes: Feature, Legacy

Constant Summary collapse

VERSION = 
"2.1.0"

Instance Method Summary collapse

Constructor Details

#initialize(storage, opts = {}) ⇒ Rollout

Returns a new instance of Rollout.



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# File 'lib/rollout.rb', line 97

def initialize(storage, opts = {})
  @storage = storage
  @options = opts
  @groups  = {:all => lambda { |user| true }}
  @legacy  = Legacy.new(opts[:legacy_storage] || @storage) if opts[:migrate]
end

Instance Method Details

#activate(feature) ⇒ Object 



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# File 'lib/rollout.rb', line 104

def activate(feature)
  with_feature(feature) do |f|
    f.percentage = 100
  end
end

#activate_group(feature, group) ⇒ Object 



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# File 'lib/rollout.rb', line 126

def activate_group(feature, group)
  with_feature(feature) do |f|
    f.add_group(group)
  end
end

#activate_percentage(feature, percentage) ⇒ Object 



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# File 'lib/rollout.rb', line 159

def activate_percentage(feature, percentage)
  with_feature(feature) do |f|
    f.percentage = percentage
  end
end

#activate_user(feature, user) ⇒ Object 



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# File 'lib/rollout.rb', line 138

def activate_user(feature, user)
  with_feature(feature) do |f|
    f.add_user(user)
  end
end

#active?(feature, user = nil) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rollout.rb', line 154

def active?(feature, user = nil)
  feature = get(feature)
  feature.active?(self, user)
end

#active_in_group?(group, user) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rollout.rb', line 171

def active_in_group?(group, user)
  f = @groups[group.to_sym]
  f && f.call(user)
end

#clear! ⇒ Object 



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# File 'lib/rollout.rb', line 196

def clear!
  features.each do |feature|
    with_feature(feature) { |f| f.clear }
    @storage.del(key(feature))
  end

  @storage.del(features_key)
end

#deactivate(feature) ⇒ Object 



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# File 'lib/rollout.rb', line 110

def deactivate(feature)
  with_feature(feature) do |f|
    f.clear
  end
end

#deactivate_group(feature, group) ⇒ Object 



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# File 'lib/rollout.rb', line 132

def deactivate_group(feature, group)
  with_feature(feature) do |f|
    f.remove_group(group)
  end
end

#deactivate_percentage(feature) ⇒ Object 



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# File 'lib/rollout.rb', line 165

def deactivate_percentage(feature)
  with_feature(feature) do |f|
    f.percentage = 0
  end
end

#deactivate_user(feature, user) ⇒ Object 



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# File 'lib/rollout.rb', line 144

def deactivate_user(feature, user)
  with_feature(feature) do |f|
    f.remove_user(user)
  end
end

#define_group(group, &block) ⇒ Object 



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# File 'lib/rollout.rb', line 150

def define_group(group, &block)
  @groups[group.to_sym] = block
end

#features ⇒ Object 



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# File 'lib/rollout.rb', line 192

def features
  (@storage.get(features_key) || "").split(",").map(&:to_sym)
end

#get(feature) ⇒ Object 



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# File 'lib/rollout.rb', line 176

def get(feature)
  string = @storage.get(key(feature))
  if string || !migrate?
    Feature.new(feature, string, @options)
  else
    info = @legacy.info(feature)
    f = Feature.new(feature)
    f.percentage = info[:percentage]
    f.percentage = 100 if info[:global].include? feature
    f.groups = info[:groups].map { |g| g.to_sym }
    f.users = info[:users].map { |u| u.to_s }
    save(f)
    f
  end
end

#set(feature, desired_state) ⇒ Object 



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# File 'lib/rollout.rb', line 116

def set(feature, desired_state)
  with_feature(feature) do |f|
    if desired_state
      f.percentage = 100
    else
      f.clear
    end
  end
end