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  1. from optapy import constraint_provider
  2. from optapy.score import HardSoftScore
  3. from optapy.constraint import Joiners, ConstraintFactory
  4.  
  5. from domain import Reservation, Employee, Seat
  6.  
  7.  
  8. @constraint_provider
  9. def define_constraints(constraint_factory: ConstraintFactory):
  10.     return [
  11.         #HARD CONSTRAINTS
  12.         seat_conflict(constraint_factory),
  13.         one_reservation_per_date(constraint_factory),
  14.         # employee_conflict(constraint_factory),
  15.         #SOFT CONSTRAINTS
  16.         prefered_seat(constraint_factory),
  17.         team_seat(constraint_factory)
  18.     ]
  19.  
  20. def seat_conflict(constraint_factory: ConstraintFactory):
  21.     return constraint_factory.for_each_unique_pair(Reservation,
  22.                                                     Joiners.equal(lambda res: res.date),
  23.                                                     Joiners.equal(lambda res: res.seat)
  24.                                                     ).penalize("Seat conflict", HardSoftScore.ONE_HARD)
  25.  
  26. def one_reservation_per_date(constraint_factory: ConstraintFactory):
  27.     return constraint_factory.for_each_unique_pair(Reservation,
  28.                                                     Joiners.equal(lambda res: res.employee),
  29.                                                     Joiners.equal(lambda res: res.date) 
  30.                                                     ).penalize("employee_conflict", HardSoftScore.ONE_HARD)
  31.  
  32. def employee_conflict(constraint_factory: ConstraintFactory):
  33.     return constraint_factory.for_each(Reservation).join(Employee,
  34.                                                    Joiners.equal(lambda res: res.employee),
  35.                                                    Joiners.equal(lambda res: res.date),
  36.                                                    Joiners.equal(lambda res: res.seat)
  37.                                                    ).penalize("employee_conflict", HardSoftScore.ONE_HARD)
  38.  
  39.  
  40. def prefered_seat(constraint_factory: ConstraintFactory):
  41.     return constraint_factory.for_each(Reservation).join(Employee,
  42.                                                          Joiners.equal(lambda res: res.employee.uuid,
  43.                                                                        lambda emp: emp.uuid),
  44.                                                          Joiners.equal(lambda res: res.seat.seat_id,
  45.                                                                        lambda emp: emp.id_emplacement_pref)
  46.                                                          ).penalize("Prefered Seat Constraint", HardSoftScore.ONE_SOFT)
  47.  
  48. def team_seat(constraint_factory: ConstraintFactory):
  49.     return constraint_factory.for_each(Reservation).join(Employee,
  50.                                                          Joiners.equal(lambda res: res.employee.uuid,
  51.                                                                        lambda emp: emp.uuid),
  52.                                                          Joiners.equal(lambda res: res.seat.team_id,
  53.                                                                        lambda emp: emp.idequipe)
  54.                                                          ).penalize("Team Seat Constraint", HardSoftScore.ONE_SOFT)
  55.  
Runtime error #stdin #stdout #stderr 0.16s 23408KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
Traceback (most recent call last):
  File "./prog.py", line 1, in <module>
ModuleNotFoundError: No module named 'optapy'
https://ideone.com/2I2N7D
language:
Python 3 (python  3.12)
created:
3 years ago
visibility:
secret

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