Class: CouchView::Config

Inherits:

Object

• Object
• CouchView::Config

show all

Defined in:

lib/couch_view/config.rb,
lib/couch_view/conditions.rb

Defined Under Namespace

Classes: Conditions

Instance Attribute Summary (collapse)

• - (Object) conditions(*args, &block) readonly

  Returns the value of attribute conditions.

• - (Object) map_class readonly

  Returns the value of attribute map_class.

• - (Object) model readonly

  Returns the value of attribute model.

• - (Object) properties readonly

  Returns the value of attribute properties.

Instance Method Summary (collapse)

• - (Object) base_view_name(name = nil)
• - (Object) conditions_config
• - (Config) initialize(model_class) constructor

  A new instance of Config.

• - (Object) map(*args, &block)
• - (Object) reduce(function = nil)
• - (Object) view_names
• - (Object) views

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# File 'lib/couch_view/config.rb', line 5

def initialize(model_class)
  @model     = model_class
  @conditions = CouchView::Config::Conditions.new
end

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# File 'lib/couch_view/config.rb', line 3

def conditions(*args, &block)
  if args.empty? && block.nil?
    @conditions.conditions
  else
    @conditions.add_conditions *args
    @conditions.instance_eval &block if block
  end
end

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# File 'lib/couch_view/config.rb', line 3

def map_class
  @map_class
end

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# File 'lib/couch_view/config.rb', line 3

def model
  @model
end

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# File 'lib/couch_view/config.rb', line 3

def properties
  @properties
end

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# File 'lib/couch_view/config.rb', line 50

def base_view_name(name=nil)
  if name
    @base_view_name = name
  elsif @base_view_name
    @base_view_name
  elsif @properties.empty?
    @base_view_name = @map_class.to_s.underscore
  else
    @base_view_name = "by_" + @properties.map(&:to_s).map(&:underscore).join("_and_")
  end
end

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# File 'lib/couch_view/config.rb', line 23

def conditions_config
  @conditions
end

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# File 'lib/couch_view/config.rb', line 10

def map(*args, &block)
  @map_class, @properties = extract_map_class_data args
  self.instance_eval &block if block
end

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# File 'lib/couch_view/config.rb', line 15

def reduce(function=nil)
  if function
    @reduce = function
  else
    @reduce ||= "_count"
  end
end

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# File 'lib/couch_view/config.rb', line 36

def view_names 
  views.keys.map &:to_s
end

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# File 'lib/couch_view/config.rb', line 40

def views
  all_views = {}
  all_views[base_view_name.to_sym] = {
    :map => @map_class.new(@model, *@properties).map,
    :reduce => reduce
  }
  all_views.merge! condition_views
  all_views
end