Export ReadThrough in the csv export

bookwyrm/tests/views/preferences/test_export.py

@@ -66,7 +66,7 @@ def test_export_file(self, *_):
         # pylint: disable=line-too-long
         self.assertEqual(
             export.content,
-            b"title,author_text,remote_id,openlibrary_key,inventaire_id,librarything_key,goodreads_key,bnf_id,viaf,wikidata,asin,aasin,isfdb,isbn_10,isbn_13,oclc_number,rating,review_name,review_cw,review_content\r\nTest Book,,"
+            b"title,author_text,remote_id,openlibrary_key,inventaire_id,librarything_key,goodreads_key,bnf_id,viaf,wikidata,asin,aasin,isfdb,isbn_10,isbn_13,oclc_number,start_date,finish_date,stopped_date,rating,review_name,review_cw,review_content\r\nTest Book,,"
             + self.book.remote_id.encode("utf-8")
-            + b",,,,,beep,,,,,,123456789X,9781234567890,,,,,\r\n",
+            + b",,,,,beep,,,,,,123456789X,9781234567890,,,,,,,,\r\n",
         )

bookwyrm/views/preferences/export.py

@@ -17,7 +17,7 @@
 from bookwyrm.models.bookwyrm_export_job import BookwyrmExportJob
 from bookwyrm.settings import PAGE_LENGTH
 
-# pylint: disable=no-self-use
+# pylint: disable=no-self-use,too-many-locals
 @method_decorator(login_required, name="dispatch")
 class Export(View):
     """Let users export data"""
@@ -54,6 +54,7 @@ def post(self, request):
         fields = (
             ["title", "author_text"]
             + deduplication_fields
+            + ["start_date", "finish_date", "stopped_date"]
             + ["rating", "review_name", "review_cw", "review_content"]
         )
         writer.writerow(fields)
@@ -70,6 +71,24 @@ def post(self, request):
 
             book.rating = review_rating.rating if review_rating else None
 
+            readthrough = (
+                models.ReadThrough.objects.filter(user=request.user, book=book)
+                .order_by("-start_date", "-finish_date")
+                .first()
+            )
+            if readthrough:
+                book.start_date = (
+                    readthrough.start_date.date() if readthrough.start_date else None
+                )
+                book.finish_date = (
+                    readthrough.finish_date.date() if readthrough.finish_date else None
+                )
+                book.stopped_date = (
+                    readthrough.stopped_date.date()
+                    if readthrough.stopped_date
+                    else None
+                )
+
             review = (
                 models.Review.objects.filter(
                     user=request.user, book=book, content__isnull=False