```ruby
class ProjectSearchResult
  include Status

  attr_reader :language
  attr_reader :platform
  attr_reader :name
  attr_reader :description
  attr_reader :status
  attr_reader :latest_release_number
  attr_reader :versions_count
  attr_reader :latest_release_published_at
  attr_reader :stars

  def initialize(search_result)
    @language = search_result.language
    @platform = search_result.platform
    @name = search_result.name
    @description = search_result.description
    @status = search_result.status
    @latest_release_number = search_result.latest_release_number
    @versions_count = search_result.versions_count
    @latest_release_published_at = DateTime.parse(search_result.latest_release_published_at)
    @stars = search_result.stars
  end

  def color
    Linguist::Language[language].try(:color) || platform_class.try(:color)
  end

  def platform_class
    "PackageManager::#{platform}".constantize
  end

  def to_param
    { name: name, platform: platform.downcase }
  end
end
```

Handle nil dates in search results
user
```ruby
class ProjectSearchResult
  include Status

  attr_reader :language
  attr_reader :platform
  attr_reader :name
  attr_reader :description
  attr_reader :status
  attr_reader :latest_release_number
  attr_reader :versions_count
  attr_reader :latest_release_published_at
  attr_reader :stars

  def initialize(search_result)
    @language = search_result.language
    @platform = search_result.platform
    @name = search_result.name
    @description = search_result.description
    @status = search_result.status
    @latest_release_number = search_result.latest_release_number
    @versions_count = search_result.versions_count
    @latest_release_published_at = parse_timestamp(search_result.latest_release_published_at)
    @stars = search_result.stars
  end

  def parse_timestamp(timestamp)
    return nil unless timestamp.present?
    DateTime.parse(timestamp) rescue nil
  end

  def color
    Linguist::Language[language].try(:color) || platform_class.try(:color)
  end

  def platform_class
    "PackageManager::#{platform}".constantize
  end

  def to_param
    { name: name, platform: platform.downcase }
  end
end
```
assistant