tfquirk / space-flight-fun

Instructions

1. Read the below and map out the relationship, draw a diagram.
2. Create methods to correspond with each of the deliverables.
3. Build out examples in the run file, TEST YOUR CODE!

Spaceship

Attributes

• name (String)
• been_to_space? (Boolean)
• Spaceships should not be able to change their name, but they should be able to change whether or not they've been to space

Methods

• Spaceship.all
  • Should return all of the spaceship instances
• Spaceship.find_by_name(name)
  • Should return all of the spaceship instances that match the passed in name
• Spaceship.fresh_spaceship
  • Should return all of the spaceship instances that have not yet been to space
• Spaceship#astronauts
  • Should return all of the astronauts that have been aboard that spaceship
• Spaceship#add_astronaut(astronaut, mission_name)
  • Should associate the astronaut to the spaceship.

Space_Flight

Attributes

• spaceship
• astronaut
• mission_name
• Space_Flights should not be able to change their spaceship, astronaut or mission name

Methods

• Space_Flight.all
  • Should return all of the instances of SpaceFlights
• Space_Flight.mission_names
  • Should puts "The mission name of this spaceship is {insert mission name here}" for every Space_Flight
• Space_Flight#astronaut
  • Should return the astronaut associated with the Space_Flight
• Space_Flight#spaceship
  • Should return the spaceship associated with the Space_Flight

Astronaut

Attributes

• name (String)
• age (Number)
• been_to_space? (Boolean)
• Astronauts should be able to change their age and whether they've been to space, but not their name

Methods

• Astronaut.all
  • Should return all of the instances of astronauts
• Astronaut.eldest
  • Should return the oldest astronaut
• Astronaut.been_to_space?
  • Should return an array of astronaut instances, who have visited space
• Astronaut.find_all_by_name(name)
  • Should return all of the astronauts whose name matches the passed in string
• Astronaut#space_flights
  • Should return the number of space_flights that an astronaut has been a part of
• Astronaut#spaceships
  • Should return the name of all of the spaceships that this astronaut has flown in
• Astronaut#add_spaceship(spaceship, misson_name)
  • Should associate an astronaut to a spaceship