forked from mirrors/bookwyrm
139 lines
4.3 KiB
Python
139 lines
4.3 KiB
Python
"""end-of-year read books stats"""
|
|
from datetime import date
|
|
|
|
from django.db.models import Case, When, Avg, Sum
|
|
from django.http import Http404
|
|
from django.shortcuts import get_object_or_404
|
|
from django.template.response import TemplateResponse
|
|
from django.views import View
|
|
|
|
from bookwyrm import models
|
|
|
|
|
|
# December day of first availability
|
|
FIRST_DAY = 15
|
|
# January day of last availability, 0 for no availability in Jan.
|
|
LAST_DAY = 15
|
|
|
|
|
|
def get_annual_summary_year():
|
|
"""return the latest available annual summary year or None"""
|
|
|
|
today = date.today()
|
|
if date(today.year, 12, FIRST_DAY) <= today <= date(today.year, 12, 31):
|
|
return today.year
|
|
|
|
if LAST_DAY > 0 and date(today.year, 1, 1) <= today <= date(
|
|
today.year, 1, LAST_DAY
|
|
):
|
|
return today.year - 1
|
|
|
|
return None
|
|
|
|
|
|
def is_year_available(year):
|
|
"""return boolean"""
|
|
|
|
today = date.today()
|
|
year = int(year)
|
|
if year < today.year:
|
|
return True
|
|
if year == today.year and today >= date(today.year, 12, FIRST_DAY):
|
|
return True
|
|
|
|
return False
|
|
|
|
|
|
# pylint: disable= no-self-use
|
|
class AnnualSummary(View):
|
|
"""display a summary of the year for the current user"""
|
|
|
|
def get(self, request, year):
|
|
"""get response"""
|
|
|
|
if not is_year_available(year):
|
|
raise Http404(f"The summary for {year} is unavailable")
|
|
|
|
paginated_years = (
|
|
int(year) - 1,
|
|
int(year) + 1 if is_year_available(int(year) + 1) else None,
|
|
)
|
|
|
|
user = request.user
|
|
|
|
if not user.is_authenticated:
|
|
raise Http404(f"Login or register {year} to access this page")
|
|
|
|
read_book_ids_in_year = get_read_book_ids_in_year(user, year)
|
|
|
|
if len(read_book_ids_in_year) == 0:
|
|
data = {
|
|
"year": year,
|
|
"book_total": 0,
|
|
"books": [],
|
|
"paginated_years": paginated_years,
|
|
}
|
|
return TemplateResponse(request, "annual_summary/layout.html", data)
|
|
|
|
read_books_in_year = get_books_from_shelfbooks(read_book_ids_in_year)
|
|
|
|
# pages stats queries
|
|
page_stats = read_books_in_year.aggregate(Sum("pages"), Avg("pages"))
|
|
book_list_by_pages = read_books_in_year.filter(pages__gte=0).order_by("pages")
|
|
|
|
# books with no pages
|
|
no_page_list = len(read_books_in_year.filter(pages__exact=None))
|
|
|
|
# rating stats queries
|
|
ratings = (
|
|
models.Review.objects.filter(user=user)
|
|
.exclude(deleted=True)
|
|
.exclude(rating=None)
|
|
.filter(book_id__in=read_book_ids_in_year)
|
|
)
|
|
ratings_stats = ratings.aggregate(Avg("rating"))
|
|
|
|
data = {
|
|
"year": year,
|
|
"books_total": len(read_books_in_year),
|
|
"books": read_books_in_year,
|
|
"pages_total": page_stats["pages__sum"],
|
|
"pages_average": round(
|
|
page_stats["pages__avg"] if page_stats["pages__avg"] else 0
|
|
),
|
|
"book_pages_lowest": book_list_by_pages.first(),
|
|
"book_pages_highest": book_list_by_pages.last(),
|
|
"no_page_number": no_page_list,
|
|
"ratings_total": len(ratings),
|
|
"rating_average": round(ratings_stats["rating__avg"], 2),
|
|
"book_rating_highest": ratings.order_by("-rating").first(),
|
|
"best_ratings_books_ids": [
|
|
review.book.id for review in ratings.filter(rating=5)
|
|
],
|
|
"paginated_years": paginated_years,
|
|
}
|
|
|
|
return TemplateResponse(request, "annual_summary/layout.html", data)
|
|
|
|
|
|
def get_read_book_ids_in_year(user, year):
|
|
"""return an ordered QuerySet of the read book ids"""
|
|
|
|
read_shelf = get_object_or_404(user.shelf_set, identifier="read")
|
|
read_book_ids_in_year = (
|
|
models.ShelfBook.objects.filter(shelf=read_shelf)
|
|
.filter(user=user)
|
|
.filter(shelved_date__year=year)
|
|
.order_by("shelved_date", "created_date", "updated_date")
|
|
.values_list("book", flat=True)
|
|
)
|
|
return read_book_ids_in_year
|
|
|
|
|
|
def get_books_from_shelfbooks(books_ids):
|
|
"""return an ordered QuerySet of books from a list"""
|
|
|
|
ordered = Case(*[When(pk=pk, then=pos) for pos, pk in enumerate(books_ids)])
|
|
books = models.Edition.objects.filter(id__in=books_ids).order_by(ordered)
|
|
|
|
return books
|