geschichten/stories/writingtogether/models.py

79 lines
2.6 KiB
Python

from typing import Tuple
from django.contrib.auth import get_user_model
from django.db import models
from django.db.models import CASCADE
from django.urls import reverse
User = get_user_model()
class StoryRound(models.Model):
name = models.CharField(max_length=256)
participants = models.ManyToManyField(User) # for ordering add: through='Participant'
created = models.DateTimeField(auto_now_add=True)
number_of_rounds = models.IntegerField()
current_turn = models.IntegerField(default=0, blank=True)
def get_absolute_url(self):
return reverse('writing:detail', kwargs={'pk': self.pk})
def get_next_story_part(self, user: User) -> 'StoryPart':
return StoryPart.objects.get(
part_of__part_of_round=self,
turn_number=self.current_turn,
user=user
)
def next_round_ready(self) -> bool:
for story in self.story_set.all():
if not story.parts.get(turn_number=self.current_turn).finished:
return False
return True
def advance_to_next_turn_and_get_status_and_round_number(self) -> Tuple[str, int]:
if self.current_turn+1 == self.number_of_rounds:
return 'finished', self.current_turn
self.current_turn += 1
self.save()
return 'ongoing', self.current_turn
#class Participant(models.Model):
# user = models.ForeignKey(User, on_delete=CASCADE)
# story_round = models.ForeignKey(StoryRound, on_delete=CASCADE)
# order_by = models.IntegerField()
class Story(models.Model):
name = models.CharField(max_length=256, null=True, blank=True)
created = models.DateTimeField(auto_now_add=True)
part_of_round = models.ForeignKey(StoryRound, on_delete=CASCADE)
started_by = models.ForeignKey(User, on_delete=CASCADE)
finished = models.BooleanField(default=False)
def get_first_unfinished_part(self):
if self.finished:
return None
first_part = StoryPart.objects.get(part_of_id=self.pk, previous_part__isnull=True)
last_unfinished_part = first_part
while last_unfinished_part.finished:
last_unfinished_part = StoryPart.objects.get(previous_part=last_unfinished_part)
return last_unfinished_part
class StoryPart(models.Model):
user = models.ForeignKey(User, on_delete=CASCADE)
previous_part = models.ForeignKey('StoryPart', on_delete=CASCADE, null=True, blank=True)
text = models.TextField(null=True, blank=True)
part_of = models.ForeignKey('Story', on_delete=CASCADE, related_name='parts')
turn_number = models.IntegerField()
@property
def finished(self):
return bool(self.text)