Class: ForestAdminDatasourceToolkit::Components::Query::ConditionTree::Transforms::Comparisons

Inherits:
Object
  • Object
show all
Includes:
Nodes
Defined in:
lib/forest_admin_datasource_toolkit/components/query/condition_tree/transforms/comparisons.rb

Class Method Summary collapse

Class Method Details

.transformsObject



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# File 'lib/forest_admin_datasource_toolkit/components/query/condition_tree/transforms/comparisons.rb', line 9

def self.transforms
  {
    Operators::BLANK => [
      {
        depends_on: [Operators::IN],
        for_types: ['String'],
        replacer: proc { |leaf| leaf.override({ operator: Operators::IN, value: [nil, ''] }) }
      },
      {
        depends_on: [Operators::MISSING],
        replacer: proc { |leaf| leaf.override({ operator: Operators::MISSING }) }
      }
    ],
    Operators::MISSING => [
      {
        depends_on: [Operators::EQUAL],
        replacer: proc { |leaf| leaf.override({ operator: Operators::EQUAL, value: nil }) }
      }
    ],
    Operators::PRESENT => [
      {
        depends_on: [Operators::NOT_IN],
        for_types: ['String'],
        replacer: proc { |leaf| leaf.override({ operator: Operators::NOT_IN, value: [nil, ''] }) }
      },
      {
        depends_on: [Operators::NOT_EQUAL],
        replacer: proc { |leaf| leaf.override({ operator: Operators::NOT_EQUAL, value: nil }) }
      }
    ],
    Operators::EQUAL => [
      {
        depends_on: [Operators::IN],
        replacer: proc { |leaf| leaf.override({ operator: Operators::IN, value: [leaf.value] }) }
      }
    ],
    Operators::IN => [
      {
        depends_on: [Operators::EQUAL, Operators::MATCH],
        for_types: ['String'],
        replacer: proc { |leaf|
          values = leaf.value
          conditions = []

          [nil, ''].each do |value|
            if values.include?(value)
              conditions.push(ConditionTreeLeaf.new(leaf.field, Operators::EQUAL, value))
            end
          end

          if values.any? { |value| !value.nil? && value != '' }
            escaped = values.filter { |value| !value.nil? && value != '' }

            conditions.push(ConditionTreeLeaf.new(leaf.field, Operators::MATCH,
                                                  "/(#{escaped.join("|")})/g"))
          end

          ConditionTreeFactory.union(conditions)
        }
      },
      {
        depends_on: [Operators::EQUAL],
        replacer: proc { |leaf|
          ConditionTreeFactory.union(
            leaf.value.map { |item| leaf.override({ operator: Operators::EQUAL, value: item }) }
          )
        }
      }
    ],
    Operators::NOT_EQUAL => [
      {
        depends_on: [Operators::NOT_IN],
        replacer: proc { |leaf| leaf.override({ operator: Operators::NOT_IN, value: [leaf.value] }) }
      }
    ],
    Operators::NOT_IN => [
      {
        depends_on: [Operators::NOT_EQUAL, Operators::MATCH],
        for_types: ['String'],
        replacer: proc { |leaf|
          values = leaf.value
          conditions = []

          [nil, ''].each do |value|
            if values.include?(value)
              conditions.push(ConditionTreeLeaf.new(leaf.field, Operators::NOT_EQUAL, value))
            end
          end

          if values.any? { |value| !value.nil? && value != '' }
            escaped = values.filter { |value| !value.nil? && value != '' }
            conditions.push(ConditionTreeLeaf.new(leaf.field, Operators::MATCH,
                                                  "/(?!(#{escaped.join("|")}))/g"))
          end

          ConditionTreeFactory.intersect(conditions)
        }
      },
      {
        depends_on: [Operators::NOT_EQUAL],
        replacer: proc { |leaf|
          ConditionTreeFactory.intersect(
            leaf.value.map { |item| leaf.override({ operator: Operators::NOT_EQUAL, value: item }) }
          )
        }
      }
    ]
  }
end