Class: ReferenceAnalyzer

Inherits:
Object
  • Object
show all
Defined in:
lib/wikidata/diff/reference_analyzer.rb

Class Method Summary collapse

Class Method Details

.handle_changed_references(current_claim, parent_claim, changed_references, added_references, removed_references, claim_key, claim_index) ⇒ Object

helper method for changed references



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# File 'lib/wikidata/diff/reference_analyzer.rb', line 13

def self.handle_changed_references(current_claim, parent_claim, changed_references, added_references, removed_references, claim_key, claim_index)
    current_references = current_claim["references"] ? current_claim["references"] : []
    parent_references = parent_claim["references"] ? parent_claim["references"] : []

    current_references.each_with_index do |current_ref, ref_index|
        if parent_references.empty?
            added_references << { claim_key: claim_key, claim_index: claim_index, reference_index: ref_index }
        elsif !parent_references.include?(current_ref)
            added_references << { claim_key: claim_key, claim_index: claim_index, reference_index: ref_index }
        elsif ref_modified?(current_ref, parent_references)
            changed_references << { claim_key: claim_key, claim_index: claim_index, reference_index: ref_index }
        end
    end

    parent_references.each_with_index do |parent_ref, ref_index|
        if !current_references.include?(parent_ref)
            removed_references << { claim_key: claim_key, claim_index: claim_index, reference_index: ref_index }
        end
    end

    {
        added_references: added_references,
        removed_references: removed_references,
        changed_references: changed_references
    }
end

.ref_modified?(current_reference, parent_references) ⇒ Boolean

helper method for checking if a reference has been modified

Returns:

  • (Boolean) 


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# File 'lib/wikidata/diff/reference_analyzer.rb', line 41

def self.ref_modified?(current_reference, parent_references)
    parent_references.each do |parent_reference|
        if current_reference["snaks"] != parent_reference["snaks"]
            return true
        end
    end
    false
end

.reference_updates(claim, updated_references, claim_key, claim_index) ⇒ Object

helper method for adding and removing references



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# File 'lib/wikidata/diff/reference_analyzer.rb', line 3

def self.reference_updates(claim, updated_references, claim_key, claim_index)
    if claim["references"]
        claim["references"].each_with_index do |current_ref, ref_index|
            updated_references << { claim_key: claim_key, claim_index: claim_index, reference_index: ref_index }
        end
    end
    updated_references
end