Class: Boxxspring::Parser

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

Instance Method Summary collapse

Constructor Details

#initialize(content = {}) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/boxxspring/parser.rb', line 7

def initialize( content = {} )
  @content = content
end

Instance Method Details

#associations ⇒ Object 



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# File 'lib/boxxspring/parser.rb', line 33

def associations  
  @content.include?( '$associations' ) ?
    @content[ '$associations' ] :
    nil
end

#key ⇒ Object 



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# File 'lib/boxxspring/parser.rb', line 23

def key
  'id' 
end

#keys ⇒ Object 



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# File 'lib/boxxspring/parser.rb', line 27

def keys 
  @content.include?( '$this' ) ?
    @content[ '$this' ][ 'ids' ] :
    nil
end

#name ⇒ Object 



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# File 'lib/boxxspring/parser.rb', line 11

def name 
  @content.include?( '$this' ) ?
    @content[ '$this' ][ 'name' ] :
    nil
end

#resource_associations_by(name, key) ⇒ Object 



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# File 'lib/boxxspring/parser.rb', line 66

def resource_associations_by( name, key )
  result = Hash.new { | hash, key | hash[ key ] = [] }
  associations = self.associations
  if associations && associations.include?( name )
    associations = associations[ name ].detect do | association |
      association[ 'id' ] == key 
    end
    associations.each do | key, value |
      unless key == 'id'
        result[ key ] = value.map do | associated_id |
          self.resource_by( key, associated_id )
        end
        result[ key ].compact!
      end
    end
  end 
  result     
end

#resource_attribute_index ⇒ Object 



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# File 'lib/boxxspring/parser.rb', line 85

def resource_attribute_index 
  @resource_attribute_index ||= begin 
    index = Hash.new { | hash, key | hash[ key ] = {} }
    @content.each do | key, resources_attributes |
      unless key[0] == '$'
        resources_attributes.each do | resource_attributes |
          index[ key ][ resource_attributes[ 'id' ] ] = resource_attributes
        end
      end
    end
    index
  end
end

#resource_by(name, key) ⇒ Object 



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# File 'lib/boxxspring/parser.rb', line 47

def resource_by( name, key )
  @resources_index ||= Hash.new { | hash, key | hash[ key ] = {} }
  @resources_index[ name ][ key ] ||= begin
    result = nil
    resource_attributes = resource_attribute_index[ name ][ key ]
    if resource_attributes.present? 
      type_name = resource_attributes.delete( 'type_name' ) || self.type_name
      klass = Boxxspring.const_get( type_name.classify ) rescue nil
      if klass.present?
        result = klass.new( 
          resource_attributes, 
          self.resource_associations_by( name, key ) 
        )
      end
    end
    result 
  end
end

#resources ⇒ Object 



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# File 'lib/boxxspring/parser.rb', line 39

def resources
  result = nil
  unless self.name.blank?
    result = self.keys.map { | key | self.resource_by( name, key ) }
  end
  result
end

#type_name ⇒ Object 



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# File 'lib/boxxspring/parser.rb', line 17

def type_name 
  @content.include?( '$this' ) ?
    @content[ '$this' ][ 'name' ] :
    nil
end