Class: LargeTreeDocIndexer

Inherits:
Object
  • Object
show all
Defined in:
indexer/app/lib/large_tree_doc_indexer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(batch) ⇒ LargeTreeDocIndexer

Returns a new instance of LargeTreeDocIndexer.



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# File 'indexer/app/lib/large_tree_doc_indexer.rb', line 5

def initialize(batch)
  # We'll track the nodes we find as we need to index their path from root
  # in a relatively efficient way
  @node_uris = []

  @batch = batch
  @deletes = []
end

Instance Attribute Details

#batch ⇒ Object (readonly)

Returns the value of attribute batch



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# File 'indexer/app/lib/large_tree_doc_indexer.rb', line 3

def batch
  @batch
end

#deletes ⇒ Object (readonly)

Returns the value of attribute deletes



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# File 'indexer/app/lib/large_tree_doc_indexer.rb', line 3

def deletes
  @deletes
end

Instance Method Details

#add_largetree_docs(root_record_uris) ⇒ Object 



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# File 'indexer/app/lib/large_tree_doc_indexer.rb', line 14

def add_largetree_docs(root_record_uris)
  root_record_uris.each do |node_uri|
    @node_uris.clear

    json = JSONModel::HTTP.get_json(node_uri + '/tree/root',
                                    :published_only => true)

    batch << {
      'id' => "#{node_uri}/tree/root",
      'uri' => "#{node_uri}/tree/root",
      'pui_parent_id' => node_uri,
      'publish' => "true",
      'primary_type' => "tree_root",
      'types' => ['pui'],
      'json' => ASUtils.to_json(json)
    }

    add_waypoints(json, node_uri, nil)

    index_paths_to_root(node_uri, @node_uris)
  end
end

#add_nodes(root_record_uri, waypoint_record) ⇒ Object 



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# File 'indexer/app/lib/large_tree_doc_indexer.rb', line 61

def add_nodes(root_record_uri, waypoint_record)
  record_uri = waypoint_record.fetch('uri')

  @node_uris << record_uri

  # Index the node itself if it has children
  if waypoint_record.fetch('child_count') > 0
    json = JSONModel::HTTP.get_json(root_record_uri + '/tree/node',
                                    :node_uri => record_uri,
                                    :published_only => true)

    # We might bomb out if a record was deleted out from under us.
    return if json.nil?

    batch << {
      'id' => "#{root_record_uri}/tree/node_#{json.fetch('uri')}",
      'uri' => "#{root_record_uri}/tree/node_#{json.fetch('uri')}",
      'pui_parent_id' => json.fetch('uri'),
      'publish' => "true",
      'primary_type' => "tree_node",
      'types' => ['pui'],
      'json' => ASUtils.to_json(json)
    }

    # Finally, walk the node's waypoints and index those too.
    add_waypoints(json, root_record_uri, json.fetch('uri'))
  else
    # Fixing #ANW-731
    # This node has no published children but it might have previously
    # so we need to remember its node doc so our caller can delete it
    @deletes.push("#{root_record_uri}/tree/node_#{record_uri}")
  end
end

#add_waypoints(json, root_record_uri, parent_uri) ⇒ Object 



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# File 'indexer/app/lib/large_tree_doc_indexer.rb', line 37

def add_waypoints(json, root_record_uri, parent_uri)
  json.fetch('waypoints').times do |waypoint_number|
    json = JSONModel::HTTP.get_json(root_record_uri + '/tree/waypoint',
                                    :offset => waypoint_number,
                                    :parent_node => parent_uri,
                                    :published_only => true)


    batch << {
      'id' => "#{root_record_uri}/tree/waypoint_#{parent_uri}_#{waypoint_number}",
      'uri' => "#{root_record_uri}/tree/waypoint_#{parent_uri}_#{waypoint_number}",
      'pui_parent_id' => (parent_uri || root_record_uri),
      'publish' => "true",
      'primary_type' => "tree_waypoint",
      'types' => ['pui'],
      'json' => ASUtils.to_json(json)
    }

    json.each do |waypoint_record|
      add_nodes(root_record_uri, waypoint_record)
    end
  end
end

#index_paths_to_root(root_uri, node_uris) ⇒ Object 



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# File 'indexer/app/lib/large_tree_doc_indexer.rb', line 95

def index_paths_to_root(root_uri, node_uris)
  node_uris.each_slice(128) do |node_uris|

    node_id_to_uri = Hash[node_uris.map {|uri| [JSONModel.parse_reference(uri).fetch(:id), uri]}]
    node_paths = JSONModel::HTTP.get_json(root_uri + '/tree/node_from_root',
                                          'node_ids[]' => node_id_to_uri.keys,
                                          :published_only => true)

    node_paths.each do |node_id, path|
      batch << {
        'id' => "#{root_uri}/tree/node_from_root_#{node_id}",
        'uri' => "#{root_uri}/tree/node_from_root_#{node_id}",
        'pui_parent_id' => node_id_to_uri.fetch(Integer(node_id)),
        'publish' => "true",
        'primary_type' => "tree_node_from_root",
        'types' => ['pui'],
        'json' => ASUtils.to_json({node_id => path})
      }
    end
  end
end