Class: BeanBag

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

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args) ⇒ BeanBag 



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# File 'lib/beanbag.rb', line 8

def initialize(args)
  @data = args
end

Class Method Details

.all ⇒ Object 



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# File 'lib/beanbag.rb', line 42

def self.all
  begin
    view sprintf('%s/all_%ss', self.name.downcase, self.name.downcase)
  rescue RestClient::ResourceNotFound
    doc = design_doc
    doc['views']["all_#{self.name.downcase}s"] = {}

    view_string = "function(doc){"
    if not @identifiers.empty?
      view_string << "if("
      conditions = []
      @identifiers.each_pair do |name, value|
        conditions << "doc.#{name.to_s}"
        conditions << "doc.#{name.to_s} === '#{value.to_s}'" if not value.nil?
      end
      view_string << conditions.join(" && ")
      view_string << ")"
    end
    view_string << "emit(doc['_id'], doc);}"

    doc['views']["all_#{self.name.downcase}s"]['map'] = view_string
    database.save_doc(doc)
    retry
  end
end

.database ⇒ Object 



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# File 'lib/beanbag.rb', line 68

def self.database
  if not defined? @database
    @database = CouchRest.new.database(@db_name)
  end
  @database
end

.design_doc ⇒ Object 



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# File 'lib/beanbag.rb', line 29

def self.design_doc
  design_doc_name = "_design/#{self.name.downcase}"
  begin
    doc = database.get(design_doc_name)
  rescue RestClient::ResourceNotFound 
    doc = CouchRest::Document.new("views" => {})
    doc.id = design_doc_name 
    database.save_doc(doc)
    retry
  end
  doc
end

.found_by(*identifiers) ⇒ Object 



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# File 'lib/beanbag.rb', line 16

def self.found_by(*identifiers)

@identifiers = {}

identifiers.each do |id|
  if id.is_a? Hash
    @identifiers = @identifiers.merge id
  elsif id.is_a? String or id.is_a? Symbol
    @identifiers[id] = nil
  end  
end
end

.in_database(db_name) ⇒ Object 



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# File 'lib/beanbag.rb', line 12

def self.in_database(db_name)
  @db_name = db_name
end

.view(view_name) ⇒ Object 



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# File 'lib/beanbag.rb', line 75

def self.view(view_name)
  database.view view_name
end