[books] Clean up old page model and bug in page calc

This commit is contained in:
2025-02-25 10:34:08 -05:00
parent 71874510a4
commit 3f9cdcac65
3 changed files with 4 additions and 157 deletions

View File

@ -397,97 +397,6 @@ class Book(LongPlayScrobblableMixin):
return book
class Page(TimeStampedModel):
"""DEPRECATED, we need to migrate pages into page_data on scrobbles and move on"""
book = models.ForeignKey(Book, on_delete=models.CASCADE)
number = models.IntegerField()
user = models.ForeignKey(User, on_delete=models.CASCADE)
start_time = models.DateTimeField(**BNULL)
end_time = models.DateTimeField(**BNULL)
duration_seconds = models.IntegerField(**BNULL)
class Meta:
unique_together = (
"book",
"number",
)
def __str__(self):
return f"Page {self.number} of {self.book.pages} in {self.book.title}"
def save(self, *args, **kwargs):
if not self.end_time and self.duration_seconds:
self._set_end_time()
return super(Page, self).save(*args, **kwargs)
@property
def next(self):
page = self.book.page_set.filter(number=self.number + 1).first()
if not page:
page = (
self.book.page_set.filter(created__gt=self.created)
.order_by("created")
.first()
)
return page
@property
def previous(self):
page = self.book.page_set.filter(number=self.number - 1).first()
if not page:
page = (
self.book.page_set.filter(created__lt=self.created)
.order_by("-created")
.first()
)
return page
@property
def seconds_to_next_page(self) -> int:
seconds = 999999 # Effectively infnity time as we have no next
if not self.end_time:
self._set_end_time()
if self.next:
seconds = (self.next.start_time - self.end_time).seconds
return seconds
@property
def is_scrobblable(self) -> bool:
"""A page defines the start of a scrobble if the seconds to next page
are greater than an hour, or 3600 seconds, and it's not a single page,
so the next seconds to next_page is less than an hour as well.
As a special case, the first recorded page is a scrobble, so we establish
when the book was started.
"""
is_scrobblable = False
over_an_hour_since_last_page = False
if not self.previous:
is_scrobblable = True
if self.previous:
over_an_hour_since_last_page = (
self.previous.seconds_to_next_page >= 3600
)
blip = self.seconds_to_next_page >= 3600
if over_an_hour_since_last_page and not blip:
is_scrobblable = True
return is_scrobblable
def _set_end_time(self) -> None:
if self.end_time:
return
self.end_time = self.start_time + timedelta(
seconds=self.duration_seconds
)
self.save(update_fields=["end_time"])
class Paper(LongPlayScrobblableMixin):
"""Keeps track of Academic Papers"""

View File

@ -1,63 +0,0 @@
from books.models import Book
from django.core.management.base import BaseCommand
from scrobbles.models import ScrobbledPage
class Command(BaseCommand):
def add_arguments(self, parser):
parser.add_argument(
"--commit",
action="store_true",
help="Actually populate data",
)
def handle(self, *args, **options):
dry_run = True
if options["commit"]:
dry_run = False
pages_to_create = []
associated_scrobble = None
last_scrobble = None
for book in Book.objects.all():
for page in book.page_set.all().order_by("number"):
notes = ""
last_scrobble = associated_scrobble
if (
not associated_scrobble
or page.number > associated_scrobble.book_pages_read
):
associated_scrobble = page.user.scrobble_set.filter(
book=page.book,
timestamp__gte=page.start_time,
timestamp__lte=page.end_time,
).first()
if (
last_scrobble
and not associated_scrobble
and page.number > last_scrobble.book_pages_read
):
associated_scrobble = last_scrobble
notes = f"Extrapolated reading from scrobble {associated_scrobble.id}"
pages_to_create.append(
ScrobbledPage(
scrobble=associated_scrobble,
number=page.number,
start_time=page.start_time,
end_time=page.end_time,
duration_seconds=page.duration_seconds,
notes=notes,
)
)
pages_to_move_len = len(pages_to_create)
if dry_run:
print(
f"Found {pages_to_move_len} to migrate. Use --commit to move them"
)
return
ScrobbledPage.objects.bulk_create(pages_to_create)
print(f"Migrated {pages_to_move_len} generic pages to scrobbled pages")

View File

@ -779,9 +779,10 @@ class Scrobble(TimeStampedModel):
@property
def session_pages_read(self) -> Optional[int]:
if not self.log.get("pages_read"):
return 0
return self.log.get("pages_read")
pages_read = 0
if self.log and isinstance(self.log, dict):
pages_read = self.log.get("pages_read", 0)
return pages_read
@property
def is_long_play(self) -> bool: