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added more and better constraints, 2slot workgroups do not support constraints

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This commit is contained in:
Anja Reusch 2019-06-09 23:21:35 +02:00
parent ad97a5a376
commit c646051058
1 changed files with 42 additions and 12 deletions
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54
generate_rules.py
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@ -9,7 +9,7 @@ SLOT_LEN = 120
DAYS = 1
START = 480
END = 1080
END = 1200
class WorkGroup:
@ -21,20 +21,24 @@ class WorkGroup:
self.reso = 'true' if reso else 'false'
self.length = floor(length/SLOT_LEN) + 1
self.leaders = leaders
self.after_time = []
self.before_time = []
self.constrainted_time = []
self.not_on_day = []
self.only_on_day = []
for constraint in constraints:
if constraint["type"] == 'OnlyAfterTime':
if constraint['workGroup'] is None:
self.after_time.append({'day': constraint['day'], 'time': constraint['time']})
self.constrainted_time.append({'day': constraint['day'], 'time': constraint['time'], 'type':'after'})
elif constraint["type"] == 'OnlyBeforeTime':
self.before_time.append({'day': constraint['day'], 'time': constraint['time']})
self.constrainted_time.append({'day': constraint['day'], 'time': constraint['time'], 'type':'before'})
print(self.constrainted_time)
def __str__(self):
leader_rules = ''
for leader in self.leaders:
leader_rules += f'leader({self.id}, "{leader}").\n'
return f'ak({self.id}, {self.interest}, "{self.track}", {self.projector}, {self.reso}, {self.length}).' + leader_rules
return f'ak({self.id}, {self.interest}, "{self.track}", {self.projector}, {self.reso}, {self.length}).\n' + leader_rules
class Room:
@ -140,19 +144,45 @@ for room in rooms:
timeslots = [(start, start+SLOT_LEN, day) for day in range(DAYS) for start in range(START, END, SLOT_LEN)]
del timeslots[0] # remove slot thursday morning
if DAYS >= 3: del timeslots[-1] #remove last slot for Abschlussplenum
print(len(timeslots))
for order, timeslot in enumerate(timeslots):
if order == 8:
continue # remove slot for Resovorstellung, keep order to avoid two-slot-workgroups to be scheduled before and after reso.
rules += str(Timeslot(order, timeslot)) + '\n'
############################
# ADD MORE CONSTRAINTS #
############################
def time_to_id(timeslots, day, time):
timeslots = list(filter(lambda ts: time>= ts[1][0] and time <= ts[1][1] and day == ts[1][2], enumerate(timeslots)))
timeslots = list(filter(lambda ts: time>= ts[1][0] and time < ts[1][1] and day == ts[1][2], enumerate(timeslots)))
return timeslots[0][0]
for workgroup in filter(lambda wg: wg.after_time, workgroups):
for after_time in workgroup.after_time:
timeslot_id = time_to_id(timeslots, after_time['day'], after_time['time'])
def get_last_on_day(day):
if day == 0:
return 4
else:
return (day+1)*5
def get_first_on_day(day):
if day == 3:
return 15
else:
return (day)*5
for workgroup in filter(lambda wg: wg.constrainted_time, workgroups):
for constrainted_time in workgroup.constrainted_time:
# TODO constraint for 2 slot workgroups missing!
timeslot_id = time_to_id(timeslots, constrainted_time['day'], constrainted_time['time'])
timeslot = timeslots[timeslot_id] # after this slot: ok
print(f':- schedule({workgroup.id}, TIMESLOT, _), ak({workgroup.id},_,_,_,_,_), timeslot(TIMESLOT, ORDER, _, _, _), ORDER < {timeslot_id + 1}.')
rules += f':- schedule({workgroup.id}, TIMESLOT, _), ak({workgroup.id},_,_,_,_,_), timeslot(TIMESLOT, ORDER, _, _, _), ORDER < {timeslot_id + 1}.\n'
operator1 = '<' if constrainted_time['type'] == 'after' else '>'
operator2 = '>' if constrainted_time['type'] == 'after' else '<'
day_restriction = get_last_on_day(constrainted_time['day']) + 1 if constrainted_time['type'] == 'before' else get_first_on_day(constrainted_time['day']) -1 #first or last slot on this day
timeslot2 = timeslot_id if constrainted_time['type'] == 'before' else timeslot_id
print(f':- schedule({workgroup.id}, TIMESLOT, _), timeslot(TIMESLOT, ORDER, _, _, _), ORDER {operator1} {timeslot2}, ORDER {operator2} {day_restriction}.')
rules += f':- schedule({workgroup.id}, TIMESLOT, _), timeslot(TIMESLOT, ORDER, _, _, _), ORDER {operator1} {timeslot2}, ORDER {operator2} {day_restriction}.\n'
rules += "#show schedule/3."