Class: JekyllRPG::Graph

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

Overview

Graph of relationships between CollectionDocuments

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Graph

Returns a new instance of Graph.



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

def initialize
  @edges = []
end

Instance Attribute Details

#edges ⇒ Object

Returns the value of attribute edges.



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# File 'lib/graph.rb', line 6

def edges
  @edges
end

Instance Method Details

#document_references(doc) ⇒ Object

Get the information for every page the current doc is referenced in And push links to an array that represents the collections of those pages



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# File 'lib/graph.rb', line 14

def document_references(doc)
  document_hash = {}

  referenced_in(doc).each do |reference|
    document_hash[reference.collection] = [] unless document_hash.key?(reference.collection)
    document_hash[reference.collection].push(reference.markdown_link)
  end

  document_hash.each do |k, v|
    document_hash[k] = v.uniq
  end
  document_hash
end

#hash ⇒ Object 



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# File 'lib/graph.rb', line 44

def hash
  @edges.map(&:hash)
end

#referenced_in(doc) ⇒ Object

Based on the graph, returns edges that a specific document is the referent of



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

def referenced_in(doc)
  collection = doc.collection.label
  slug = doc.data['slug']
  @edges.select do |edge|
    edge.reference.collection == collection && edge.reference.slug == slug
  end.map(&:referent)
end

#unviewable ⇒ Object

Based on the graph, returns documents that are referenced, but do not exist yet



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# File 'lib/graph.rb', line 38

def unviewable
  @edges.reject do |edge|
    edge.reference.viewable
  end
end