Class: Freeb::ModelConfig

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

Class Method Summary collapse

Class Method Details

.get(model) ⇒ Object 



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# File 'lib/freeb/model_config.rb', line 10

def self.get(model)
  key = model_to_key(model)
  @models[key]
end

.get_has_many_properties(model) ⇒ Object 



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# File 'lib/freeb/model_config.rb', line 26

def self.get_has_many_properties(model)
  config = get(model)
  properties = {}
  config[:has_many].each do |key, association|
    association_class = association[:class_name].classify.constantize
    association_class_config = get(association_class)
    association_properties = {:id => nil, :name => nil}
    association_properties.merge!(get_query_properties(association_class))
    key = association[:id]
    properties[key] = [association_properties]
  end
  properties
end

.get_migration_properties(model) ⇒ Object 



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# File 'lib/freeb/model_config.rb', line 40

def self.get_migration_properties(model)
  config = get(model)
  schema = Freeb.mqlread({
    :name => nil,
    :id => config[:type],
    :type => [{:id => "/type/type"}],
    "!/type/property/schema" => [{"/type/property/expected_type" => nil, "id" => nil, "name" => nil}]
  })
  property_types = {}
  schema["!/type/property/schema"].each do |property|
    property_types[property["id"]] = property["/type/property/expected_type"]
  end
  config[:properties].collect do |key, property|
    expected_type = property_types[property[:id]]
    type = case expected_type
    when "/type/boolean"
      :boolean
    when "/type/datetime"
      :datetime
    when "/type/float"
      :float
    when "/type/int"
      :integer
    when "/type/text"
      :text
    else
      :string
    end
    if property[:id] == "description"
      type = "text"
    end
    { :key => key, :type => type }
  end
end

.get_query_properties(model) ⇒ Object 



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# File 'lib/freeb/model_config.rb', line 15

def self.get_query_properties(model)
  config = get(model)
  query_properties = {}
  raise "Empty Freeb config for #{model}" if config.blank?
  query_properties.merge!(config[:properties].inject({}) { |h, (k, property)| h[property[:id]] = nil; h })
  query_properties.delete("description")
  query_properties.merge!(config[:topics].inject({}) { |h, (k, topic)| h[topic[:id]] = [{:id => nil, :name => nil}]; h })
  query_properties.merge!(get_has_many_properties(model))
  query_properties
end

.key_to_id(key, options) ⇒ Object 



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# File 'lib/freeb/model_config.rb', line 161

def self.key_to_id(key, options)
  key = key.to_s
  if key == "description"
    key
  elsif key[0,1] == "/"
    key
  else
    "#{options[:type]}/#{key}"
  end
end

.model_to_key(model) ⇒ Object 



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# File 'lib/freeb/model_config.rb', line 75

def self.model_to_key(model)
  model.name.underscore.to_sym
end

.normalize_has_many(options) ⇒ Object 



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# File 'lib/freeb/model_config.rb', line 136

def self.normalize_has_many(options)
  associations = {}
  options[:has_many] = [options[:has_many]] if !options[:has_many].is_a?(Array)
  options[:has_many].each do |association|
    if association.is_a?(String) || association.is_a?(Symbol)
      association = association.to_s
      associations[association.to_sym] = {
        :key => association.to_sym,
        :id => key_to_id(value, options),
        :class_name => association.singularize.camelize
      }
    elsif association.is_a?(Hash)
      association.each do |key, value|
        key = key.to_s
        associations[key.to_sym] = {
          :key => key,
          :id => key_to_id(value, options),
          :class_name => key.singularize.camelize
        }
      end
    end
  end
  options[:has_many] = associations 
end

.normalize_options(options) ⇒ Object 



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# File 'lib/freeb/model_config.rb', line 79

def self.normalize_options(options)
  normalize_properties(options)
  normalize_topics(options)
  normalize_has_many(options)
  options
end

.normalize_properties(options) ⇒ Object 



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# File 'lib/freeb/model_config.rb', line 86

def self.normalize_properties(options)
  properties = {}
  options[:properties].flatten(1).each do |property|
    if property.is_a?(String)
      properties[property.to_sym] = {
        :key => property,
        :id => key_to_id(property, options)
      }
    elsif property.is_a?(Hash)
      property.each do |key, value|
        if value.is_a?(String)
          properties[key.to_sym] = {
            :key => value,
            :id => key_to_id(value, options)
          }
        elsif value.is_a?(Hash)
          defaults = {
            :key => key,
            :id => key_to_id(key, options)
          }
          properties[key.to_sym] = defaults.merge(value)
        end
      end
    end 
  end
  options[:properties] = properties
end

.normalize_topics(options) ⇒ Object 



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# File 'lib/freeb/model_config.rb', line 114

def self.normalize_topics(options)
  topics = {}
  options[:topics] = [options[:topics]] if !options[:topics].is_a?(Array)
  options[:topics].each do |topic|
    if topic.is_a?(String) || topic.is_a?(Symbol)
      topic = topic.to_s
      topics[topic.to_sym] = {
        :key => topic,
        :id => key_to_id(topic, options)
      }
    elsif topic.is_a?(Hash)
      topic.each do |key, value|
        topics[key.to_sym] = {
          :key => key,
          :id => key_to_id(value, options)
        }
      end
    end
  end
  options[:topics] = topics 
end

.register(model, options) ⇒ Object 



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# File 'lib/freeb/model_config.rb', line 5

def self.register(model, options)
  key = model_to_key(model)
  @models[key] = normalize_options(options)
end