feat: first version of a book series list by author

bookwyrm/views/__init__.py

@@ -50,6 +50,7 @@ from .books.books import (
     add_description,
     resolve_book,
 )
+from .books.series import BookSeriesBy
 from .books.books import update_book_from_remote
 from .books.edit_book import (
     EditBook,

bookwyrm/views/books/series.py

@@ -0,0 +1,58 @@
+""" books belonging to the same series """
+from django.views import View
+from django.shortcuts import get_object_or_404
+from django.template.response import TemplateResponse
+
+from bookwyrm.views.helpers import is_api_request
+from bookwyrm import models
+from bookwyrm.settings import PAGE_LENGTH
+
+
+# pylint: disable=no-self-use
+class BookSeriesBy(View):
+	def get(self, request, author_id, **kwargs):
+		"""lists all books in a series"""
+		series_name = request.GET.get("series_name")
+
+		if is_api_request(request):
+			pass
+			
+		author = get_object_or_404(models.Author, id=author_id)
+			
+		results = (
+			models.Edition.objects.filter(authors=author, series=series_name)
+		)
+
+		# when there are multiple editions of the same work, pick the closest
+		editions_of_work = results.values_list("parent_work__id", flat=True).distinct()
+
+    # filter out multiple editions of the same work
+		numbered_books = []
+		dated_books = []
+		unsortable_books = []
+		for work_id in set(editions_of_work):
+			result = (
+				results.filter(parent_work=work_id)
+				.order_by("-edition_rank")
+        .first()
+      )
+			if result.series_number:
+				numbered_books.append(result)
+			elif result.first_published_date or result.published_date:
+				dated_books.append(result)
+			else:
+				unsortable_books.append(result)
+		
+		list_results = (
+			sorted(numbered_books, key=lambda book: book.series_number) +
+			sorted(dated_books, key=lambda book: book.first_published_date if book.first_published_date else book.published_date) +
+			sorted(unsortable_books, key=lambda book: book.sort_title)
+		)
+
+		data = {
+			"series_name": series_name,
+			"author": author,
+			"books": list_results,
+		}
+
+		return TemplateResponse(request, "book/series.html", data)