Class: Ask::Rails::Harness::Tools::ReadModel

Inherits:
Ask::Rails::Harness::Tool show all
Defined in:
lib/ask/rails/harness/tools/read_model.rb

Instance Method Summary collapse

Methods inherited from Ask::Rails::Harness::Tool

#call, #rails_root, session_id, session_id=

Instance Method Details

#execute(name:, detail: "all") ⇒ Object 



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# File 'lib/ask/rails/harness/tools/read_model.rb', line 14

def execute(name:, detail: "all")
  klass = safe_constantize(name)
  return Ask::Result.failure("Model '#{name}' not found or is not an ActiveRecord model.") unless klass

  result = { name: klass.name, table_name: klass.table_name }

  result[:primary_key] = klass.primary_key if klass.respond_to?(:primary_key)

  if %w[all columns].include?(detail)
    result[:columns] = klass.columns.map { |c|
      entry = { name: c.name, type: c.type, null: c.null, default: c.default }
      entry[:primary_key] = true if c.name == klass.primary_key
      entry
    }
  end

  if %w[all associations].include?(detail)
    result[:associations] = klass.reflect_on_all_associations.group_by(&:macro).transform_values { |refs|
      refs.map { |a|
        entry = { name: a.name, class_name: a.class_name }
        entry[:through] = a.options[:through] if a.options[:through]
        entry[:source] = a.options[:source] if a.options[:source]
        entry[:foreign_key] = a.foreign_key if a.respond_to?(:foreign_key)
        entry
      }
    }
  end

  if %w[all scopes].include?(detail) && klass.respond_to?(:all)
    result[:scopes] = klass.methods(false)
      .reject { |m| m.to_s.end_with?("=", "!", "?") || %i[new allocate inspect to_s].include?(m) }
      .map(&:to_s).sort
  end

  if %w[all validations].include?(detail)
    result[:validators] = klass.validators.map { |v|
      {
        attribute: v.attributes.first&.to_s,
        kind: v.kind,
        options: v.options.reject { |k, _| k == :if }
      }
    }.reject { |v| v[:attribute].nil? }
  end

  result
end