Module: AssociateJsonb::Associations::AssociationScope

Defined in:
lib/associate_jsonb/associations/association_scope.rb

Overview

:nodoc:

Instance Method Summary collapse

Instance Method Details

#apply_jsonb_equality(scope, table, jsonb_column, store_key, foreign_key, value, foreign_klass) ⇒ Object

rubocop:enable Metrics/MethodLength, Metrics/AbcSize



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# File 'lib/associate_jsonb/associations/association_scope.rb', line 30

def apply_jsonb_equality(scope, table, jsonb_column, store_key, foreign_key, value, foreign_klass)
  sql_type = type = node_klass = nil
  begin
    type = foreign_klass.attribute_types[foreign_key.to_s]
    raise "type not found" unless type.present?
    sql_type = foreign_klass.columns_hash[foreign_key.to_s]
    raise "not a column" unless sql_type.present?
    sql_type = sql_type.sql_type
    node_klass = Arel::Nodes::Jsonb::DashArrow
  rescue
    type = ActiveModel::Type::String.new
    sql_type = "text"
    node_klass = Arel::Nodes::Jsonb::DashDoubleArrow
  end

  # scope.where!(
  #   Arel::Nodes::HashableNamedFunction.new(
  #     "CAST",
  #     [
  #       node_klass.
  #         new(table, table[jsonb_column], store_key).
  #         as(sql_type)
  #     ]
  #   ).eq(
  #     Arel::Nodes::BindParam.new(
  #       ActiveRecord::Relation::QueryAttribute.new(
  #         store_key, value, type
  #       )
  #     )
  #   )
  # )

  scope.where!(
    Arel::Nodes::SqlCastedEquality.new(
      node_klass.new(table, table[jsonb_column], store_key),
      sql_type,
      Arel::Nodes::BindParam.new(
        ActiveRecord::Relation::QueryAttribute.new(
          store_key, value, type
        )
      )
    )
  )

  # scope.where!(
  #   Arel::Nodes::Jsonb::DashDoubleArrow.
  #     new(table, table[jsonb_column], store_key).
  #     eq(
  #       Arel::Nodes::BindParam.new(
  #         ActiveRecord::Relation::QueryAttribute.new(
  #           store_key, value, ActiveModel::Type::String.new
  #         )
  #       )
  #     )
  # )

  # scope.where!(
  #   node_klass.new(
  #     table, table[jsonb_column], store_key
  #   ).eq(
  #     Arel::Nodes::BindParam.new(
  #       ActiveRecord::Relation::QueryAttribute.new(
  #         store_key, value, type
  #       )
  #     )
  #   )
  # )
end

#last_chain_scope(scope, owner_reflection, owner) ⇒ Object

rubocop:disable Metrics/MethodLength, Metrics/AbcSize



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# File 'lib/associate_jsonb/associations/association_scope.rb', line 8

def last_chain_scope(scope, owner_reflection, owner)
  reflection = owner_reflection.instance_variable_get(:@reflection)
  return super unless reflection&.foreign_store?


  join_keys = owner_reflection.join_keys
  table = owner_reflection.aliased_table
  key = reflection.foreign_store_key || join_keys.key
  value = transform_value(owner[join_keys.foreign_key])

  apply_jsonb_equality(
    scope,
    table,
    reflection.foreign_store_attr,
    key.to_s,
    join_keys.foreign_key,
    value,
    reflection.active_record
  )
end