class User
attr_reader :id, :name, :email
attr_accessor :active
def initialize(id, name, email, active = true)
@id = id
@name = name
@email = email
@active = active
end
def display_name
active? ? name : "#{name} (inactive)"
end
def active?
@active
end
def to_h
{
id: id,
name: name,
email: email,
active: active
}
end
def ==(other)
other.is_a?(User) &&
id == other.id &&
name == other.name &&
email == other.email &&
active == other.active
end
def self.create_user(name, email)
new(generate_id, name, email)
end
private
def self.generate_id
(Time.now.to_f * 1000).to_i
end
end
class UserRepository
def initialize
@users = []
end
def save(user)
@users << user unless @users.include?(user)
user
end
def find_by_id(id)
@users.find { |user| user.id == id }
end
def find_by_email(email)
@users.find { |user| user.email == email }
end
def find_all
@users.dup
end
def find_active_users
@users.select(&:active?)
end
def delete_by_id(id)
user_to_delete = find_by_id(id)
return false unless user_to_delete
@users.delete(user_to_delete)
true
end
def count
@users.size
end
def clear
@users.clear
end
def each
return enum_for(:each) unless block_given?
@users.each { |user| yield(user) }
end
end
