```ruby
class ConditionType < ActiveRecord::Base
        
  # default scope
  default_scope { where(:active => true) }
 
  def self.max_rating 
    order("rating DESC").first.rating
  end
  def self.min_rating 
    where('name <> ?', 'Unknown').order("rating ASC").first.rating
  end
  
  def self.from_rating(estimated_rating)
    return if estimated_rating.nil?
    # Round the condition type to the nearest whole number
    val = (estimated_rating.to_f + 0.5).to_i
    # bound it
    val = [val, max_rating].min
    val = [val, min_rating].max
    ConditionType.find_by_rating(val)
  end

  def to_s
    name
  end

end```

Fix condition type calculation so it reflects FTA's TERM model
user
```ruby
class ConditionType < ActiveRecord::Base
        
  # default scope
  default_scope { where(:active => true) }
 
  def self.max_rating 
    order("rating DESC").first.rating
  end
  def self.min_rating 
    where('name <> ?', 'Unknown').order("rating ASC").first.rating
  end
  
  # Uses FTA's condition assessment ratings 
  def self.from_rating(estimated_rating)
    return if estimated_rating.nil?
    if estimated_rating >= 4.8
      rating = 5
    elsif estimated_rating >= 4.0
      rating = 4
    elsif estimated_rating >= 3.0
      rating = 3
    elsif estimated_rating >= 2.0
      rating = 2
    else
      rating = 1
    end
    ConditionType.find_by_rating(rating)
  end

  def to_s
    name
  end

end```
assistant