Module: Neo4Apis::TableResolver

Defined in:
lib/neo4apis/table_resolver.rb

Defined Under Namespace

Classes: UnfoundPrimaryKeyError

Instance Method Summary collapse

Instance Method Details

#identify_primary_key(columns, class_name) ⇒ Object 



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# File 'lib/neo4apis/table_resolver.rb', line 19

def identify_primary_key(columns, class_name)
  (columns & %w(id uuid)).first
  columns.detect do |column|
    case standardize(column)
    when 'id', 'uuid', /#{standardize(class_name.singularize)}id/, /#{standardize(class_name.pluralize)}id/
      true
    end
  end.tap do |found_key| # rubocop:disable Style/MultilineBlockChain
    fail UnfoundPrimaryKeyError, "Could not find a primary key for #{class_name}." if found_key.nil?
  end
end

#identify_table_name(tables, class_name) ⇒ Object 



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# File 'lib/neo4apis/table_resolver.rb', line 10

def identify_table_name(tables, class_name)
  potential_table_comparisons = [class_name.tableize, class_name.tableize.singularize].map(&method(:standardize))
  tables.detect do |table_name|
    potential_table_comparisons.include?(standardize(table_name))
  end.tap do |found_name| # rubocop:disable Style/MultilineBlockChain
    puts "WARNING: Could not find a table for #{class_name}." if found_name.nil?
  end
end