Module: GoodData::Model::FromWire

Defined in:
lib/gooddata/models/from_wire.rb

Class Method Summary collapse

Class Method Details

.dataset_from_wire(dataset) ⇒ Hash

Converts dataset from wire format into an internal blueprint representation

Parameters:

  • dataset (Hash) —

    Whatever comes from wire

Returns:

  • (Hash) —

    Manifest for a particular reference



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# File 'lib/gooddata/models/from_wire.rb', line 14

def self.dataset_from_wire(dataset)
  {}.tap do |d|
    id = dataset['dataset']['identifier']

    d[:type] = :dataset
    d[:title] = dataset['dataset']['title']
    d[:id] = id
    d[:columns] = (parse_anchor(dataset) + parse_attributes(dataset) + parse_facts(dataset) + parse_references(dataset))
  end
end

.from_wire(wire_model) ⇒ GoodData::Model::ProjectBlueprint

Entry method for converting information about project mode from wire format into an internal blueprint representation

Parameters:

  • wire_model (Hash) —

    Whatever comes from wire

Returns:



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# File 'lib/gooddata/models/from_wire.rb', line 30

def self.from_wire(wire_model)
  model = wire_model['projectModelView']['model']['projectModel']
  datasets = model['datasets'] || []
  dims = model['dateDimensions'] || []

  ProjectBlueprint.new(
    datasets: datasets.map { |ds| dataset_from_wire(ds) },
    date_dimensions: dims.map { |dd| parse_date_dimensions(dd) }
  )
end

.parse_anchor(stuff) ⇒ Hash

Converts anchor from wire format into an internal blueprint representation

Parameters:

  • stuff (Hash) —

    Whatever comes from wire

Returns:

  • (Hash) —

    Manifest for a particular reference



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# File 'lib/gooddata/models/from_wire.rb', line 57

def self.parse_anchor(stuff)
  anchor = stuff['dataset']['anchor']['attribute']
  parse_attribute(anchor, :anchor)
end

.parse_attribute(attribute, type = :attribute) ⇒ Object 



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# File 'lib/gooddata/models/from_wire.rb', line 62

def self.parse_attribute(attribute, type = :attribute)
  labels = attribute['labels'] || []
  default_label_id = attribute['defaultLabel']
  default_label = labels.find { |l| l['label']['identifier'] == default_label_id } || labels.first
  regular_labels = labels - [default_label]
  pl = default_label.nil? ? [] : [parse_label(attribute, default_label, :default_label)]
  rl = regular_labels.map do |label|
    parse_label(attribute, label, :label)
  end
  attr_sort_order = attribute['sortOrder']['attributeSortOrder'] if attribute['sortOrder']

  attribute = {}.tap do |a|
    a[:type] = type
    a[:id] = attribute['identifier']
    a[:title] = attribute['title']
    a[:description] = attribute['description']
    a[:folder] = attribute['folder']

    if attr_sort_order
      a[:order_by] = "#{attr_sort_order['label']} - #{attr_sort_order['direction']}"
    end

    if attribute['grain']
      a[:grain] = attribute['grain'].map do |g|
        case g.keys.first.to_sym
        when :dateDimension
          { date: g.values.first }
        else
          Helpers.symbolize_keys(g)
        end
      end
    end
  end
  [attribute] + pl + rl
end

.parse_attributes(stuff) ⇒ Hash

Converts attrbutes from wire format into an internal blueprint representation

Parameters:

  • stuff (Hash) —

    Whatever comes from wire

Returns:

  • (Hash) —

    Manifest for a particular reference



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# File 'lib/gooddata/models/from_wire.rb', line 45

def self.parse_attributes(stuff)
  dataset = stuff['dataset']
  attributes = dataset['attributes'] || []
  attributes.mapcat do |a|
    parse_attribute(a['attribute'])
  end
end

.parse_date_dimensions(date_dim) ⇒ Hash

Converts date dimensions from wire format into an internal blueprint representation

Parameters:

  • stuff (Hash) —

    Whatever comes from wire

Returns:

  • (Hash) —

    Manifest for a particular reference



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# File 'lib/gooddata/models/from_wire.rb', line 102

def self.parse_date_dimensions(date_dim)
  {}.tap do |d|
    d[:type] = :date_dimension
    d[:id] = date_dim['dateDimension']['name']
    d[:title] = date_dim['dateDimension']['title']
  end
end

.parse_facts(stuff) ⇒ Hash

Converts facts from wire format into an internal blueprint representation

Parameters:

  • stuff (Hash) —

    Whatever comes from wire

Returns:

  • (Hash) —

    Manifest for a particular reference



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# File 'lib/gooddata/models/from_wire.rb', line 114

def self.parse_facts(stuff)
  facts = stuff['dataset']['facts'] || []
  facts.map do |fact|
    {}.tap do |f|
      f[:type] = fact['fact']['identifier'] =~ /^dt\./ ? :date_fact : :fact
      f[:id] = fact['fact']['identifier']
      f[:title] = fact['fact']['title']
      f[:description] = fact['fact']['description'] if fact['fact']['description']
      f[:folder] = fact['fact']['folder']
      f[:gd_data_type] = fact['fact']['dataType'] || GoodData::Model::DEFAULT_FACT_DATATYPE
    end
  end
end

.parse_label(attribute, label, type) ⇒ Hash

Converts label from wire format into an internal blueprint representation

Parameters:

  • stuff (Hash) —

    Whatever comes from wire

Returns:

  • (Hash) —

    Manifest for a particular reference



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# File 'lib/gooddata/models/from_wire.rb', line 132

def self.parse_label(attribute, label, type)
  {}.tap do |l|
    l[:type] = :label
    l[:id] = label['label']['identifier']
    l[:reference] = attribute['identifier']
    l[:title] = label['label']['title']
    l[:gd_data_type] = label['label']['dataType'] || GoodData::Model::DEFAULT_ATTRIBUTE_DATATYPE
    l[:gd_type] = label['label']['type'] || GoodData::Model::DEFAULT_TYPE
    l[:default_label] = true if type == :default_label
  end
end

.parse_references(dataset) ⇒ Hash

Converts label from wire format into an internal blueprint representation

Parameters:

  • dataset (Hash) —

    Whatever comes from wire

  • anchor_hash (Hash) —

    dataset id -> anchor id hash

Returns:

  • (Hash) —

    Manifest for a particular reference



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# File 'lib/gooddata/models/from_wire.rb', line 149

def self.parse_references(dataset)
  references = dataset['dataset']['references'] || []
  references.map do |ref|
    if ref =~ /^dataset\./
      {
        :type => :reference,
        :dataset => ref
      }
    else
      {
        :type => :date,
        :dataset => ref
      }
    end
  end
end