Class: Hotdog::Commands::Search::TagGlobExpressionNode

Inherits:
TagExpressionNode show all
Defined in:
lib/hotdog/commands/search.rb

Instance Attribute Summary

Attributes inherited from TagExpressionNode

#attribute, #identifier

Instance Method Summary collapse

Methods inherited from TagExpressionNode

#attribute?, #initialize

Constructor Details

This class inherits a constructor from Hotdog::Commands::Search::TagExpressionNode

Instance Method Details

#evaluate(environment) ⇒ Object 



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# File 'lib/hotdog/commands/search.rb', line 276

def evaluate(environment)
  if attribute?
    values = environment.execute("      SELECT DISTINCT hosts_tags.host_id FROM hosts_tags\n        INNER JOIN tags ON hosts_tags.tag_id = tags.id\n          WHERE LOWER(tags.name) GLOB LOWER(?) AND LOWER(tags.value) GLOB LOWER(?);\n    EOS\n  else\n    values = environment.execute(<<-EOS, identifier, identifier, identifier).map { |row| row.first }\n      SELECT DISTINCT hosts_tags.host_id FROM hosts_tags\n        INNER JOIN hosts ON hosts_tags.host_id = hosts.id\n        INNER JOIN tags ON hosts_tags.tag_id = tags.id\n          WHERE LOWER(hosts.name) GLOB LOWER(?) OR LOWER(tags.name) GLOB LOWER(?) OR LOWER(tags.value) GLOB LOWER(?);\n\n    EOS\n  end\n  if not environment.fixed_string? and values.empty?\n    # fallback to glob expression\n    identifier_glob = identifier.gsub(/[-.\\/_]/, \"?\")\n    if identifier != identifier_glob\n      if attribute?\n        attribute_glob = attribute.gsub(/[-.\\/:_]/, \"?\")\n        environment.logger.info(\"fallback to glob expression: %s:%s\" % [identifier_glob, attribute_glob])\n      else\n        attribute_glob = nil\n        environment.logger.info(\"fallback to glob expression: %s\" % [identifier_glob])\n      end\n      values = TagGlobExpressionNode.new(identifier_glob, attribute_glob).evaluate(environment)\n    end\n  end\n  values\nend\n", identifier, attribute).map { |row| row.first }