mirror of
https://github.com/bookwyrm-social/bookwyrm.git
synced 2024-05-20 17:28:55 +00:00
Consolidate BookwyrmExportJob into two tasks
Creating the export JSON and export TAR are now the only two tasks.
This commit is contained in:
Bart Schuurmans
parent
ed2e9e5ea8
commit
9685ae5a0a
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@ -7,20 +7,19 @@ from boto3.session import Session as BotoSession
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from s3_tar import S3Tar
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from storages.backends.s3boto3 import S3Boto3Storage
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from django.db.models import CASCADE, BooleanField, FileField, ForeignKey, JSONField
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from django.db.models import BooleanField, FileField, JSONField
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from django.db.models import Q
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from django.core.serializers.json import DjangoJSONEncoder
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from django.core.files.base import ContentFile
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from django.utils import timezone
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from django.utils.module_loading import import_string
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from bookwyrm import settings
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from bookwyrm.models import AnnualGoal, ReadThrough, ShelfBook, List, ListItem
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from bookwyrm.models import AnnualGoal, ReadThrough, ShelfBook, ListItem
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from bookwyrm.models import Review, Comment, Quotation
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from bookwyrm.models import Edition
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from bookwyrm.models import UserFollows, User, UserBlocks
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from bookwyrm.models.job import ParentJob, ChildJob, ParentTask
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from bookwyrm.models.job import ParentJob
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from bookwyrm.tasks import app, IMPORTS
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from bookwyrm.utils.tar import BookwyrmTarFile
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@ -49,40 +48,12 @@ class BookwyrmExportJob(ParentJob):
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json_completed = BooleanField(default=False)
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def start_job(self):
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"""Start the job"""
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"""schedule the first task"""
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task = start_export_task.delay(job_id=self.id, no_children=False)
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task = create_export_json_task.delay(job_id=self.id)
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self.task_id = task.id
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self.save(update_fields=["task_id"])
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def notify_child_job_complete(self):
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"""let the job know when the items get work done"""
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if self.complete:
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return
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self.updated_date = timezone.now()
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self.save(update_fields=["updated_date"])
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if not self.complete and self.has_completed:
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if not self.json_completed:
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try:
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self.json_completed = True
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self.save(update_fields=["json_completed"])
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tar_job = AddFileToTar.objects.create(
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parent_job=self, parent_export_job=self
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)
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tar_job.start_job()
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except Exception as err: # pylint: disable=broad-except
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logger.exception("job %s failed with error: %s", self.id, err)
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tar_job.set_status("failed")
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self.stop_job(reason="failed")
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else:
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self.complete_job()
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def url2relativepath(url: str) -> str:
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"""turn an absolute URL into a relative filesystem path"""
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@ -90,345 +61,245 @@ def url2relativepath(url: str) -> str:
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return unquote(parsed.path[1:])
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class AddBookToUserExportJob(ChildJob):
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"""append book metadata for each book in an export"""
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@app.task(queue=IMPORTS)
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def create_export_json_task(job_id):
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"""create the JSON data for the export"""
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edition = ForeignKey(Edition, on_delete=CASCADE)
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# pylint: disable=too-many-locals
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def start_job(self):
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"""Start the job"""
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try:
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book = {}
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book["work"] = self.edition.parent_work.to_activity()
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book["edition"] = self.edition.to_activity()
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if book["edition"].get("cover"):
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book["edition"]["cover"]["url"] = url2relativepath(
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book["edition"]["cover"]["url"]
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)
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# authors
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book["authors"] = []
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for author in self.edition.authors.all():
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book["authors"].append(author.to_activity())
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# Shelves this book is on
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# Every ShelfItem is this book so we don't other serializing
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book["shelves"] = []
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shelf_books = (
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ShelfBook.objects.select_related("shelf")
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.filter(user=self.parent_job.user, book=self.edition)
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.distinct()
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)
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for shelfbook in shelf_books:
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book["shelves"].append(shelfbook.shelf.to_activity())
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# Lists and ListItems
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# ListItems include "notes" and "approved" so we need them
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# even though we know it's this book
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book["lists"] = []
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list_items = ListItem.objects.filter(
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book=self.edition, user=self.parent_job.user
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).distinct()
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for item in list_items:
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list_info = item.book_list.to_activity()
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list_info[
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"privacy"
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] = item.book_list.privacy # this isn't serialized so we add it
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list_info["list_item"] = item.to_activity()
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book["lists"].append(list_info)
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# Statuses
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# Can't use select_subclasses here because
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# we need to filter on the "book" value,
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# which is not available on an ordinary Status
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for status in ["comments", "quotations", "reviews"]:
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book[status] = []
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comments = Comment.objects.filter(
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user=self.parent_job.user, book=self.edition
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).all()
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for status in comments:
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obj = status.to_activity()
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obj["progress"] = status.progress
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obj["progress_mode"] = status.progress_mode
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book["comments"].append(obj)
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quotes = Quotation.objects.filter(
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user=self.parent_job.user, book=self.edition
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).all()
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for status in quotes:
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obj = status.to_activity()
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obj["position"] = status.position
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obj["endposition"] = status.endposition
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obj["position_mode"] = status.position_mode
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book["quotations"].append(obj)
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reviews = Review.objects.filter(
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user=self.parent_job.user, book=self.edition
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).all()
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for status in reviews:
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obj = status.to_activity()
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book["reviews"].append(obj)
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# readthroughs can't be serialized to activity
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book_readthroughs = (
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ReadThrough.objects.filter(user=self.parent_job.user, book=self.edition)
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.distinct()
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.values()
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)
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book["readthroughs"] = list(book_readthroughs)
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self.parent_job.export_json["books"].append(book)
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self.parent_job.save(update_fields=["export_json"])
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self.complete_job()
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except Exception as err: # pylint: disable=broad-except
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logger.exception(
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"AddBookToUserExportJob %s Failed with error: %s", self.id, err
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)
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self.set_status("failed")
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class AddFileToTar(ChildJob):
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"""add files to export"""
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parent_export_job = ForeignKey(
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BookwyrmExportJob, on_delete=CASCADE, related_name="child_edition_export_jobs"
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)
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def start_job(self):
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"""Start the job"""
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# NOTE we are doing this all in one big job,
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# which has the potential to block a thread
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# This is because we need to refer to the same s3_job
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# or BookwyrmTarFile whilst writing
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# Using a series of jobs in a loop would be better
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try:
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export_job = self.parent_export_job
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export_task_id = str(export_job.task_id)
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export_json_bytes = (
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DjangoJSONEncoder().encode(export_job.export_json).encode("utf-8")
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)
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user = export_job.user
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editions = get_books_for_user(user)
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if settings.USE_S3:
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# Connection for writing temporary files
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storage = S3Boto3Storage()
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# Handle for creating the final archive
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s3_archive_path = f"exports/{export_task_id}.tar.gz"
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s3_tar = S3Tar(
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settings.AWS_STORAGE_BUCKET_NAME,
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s3_archive_path,
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session=BookwyrmAwsSession(),
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)
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# Save JSON file to a temporary location
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export_json_tmp_file = f"exports/{export_task_id}/archive.json"
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S3Boto3Storage.save(
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storage,
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export_json_tmp_file,
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ContentFile(export_json_bytes),
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)
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s3_tar.add_file(export_json_tmp_file)
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# Add avatar image if present
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if user.avatar:
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s3_tar.add_file(f"images/{user.avatar.name}")
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for edition in editions:
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if edition.cover:
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s3_tar.add_file(f"images/{edition.cover.name}")
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# Create archive and store file name
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s3_tar.tar()
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export_job.export_data = s3_archive_path
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export_job.save(update_fields=["export_data"])
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# Delete temporary files
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S3Boto3Storage.delete(storage, export_json_tmp_file)
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else:
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export_job.export_data = f"{export_task_id}.tar.gz"
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with export_job.export_data.open("wb") as tar_file:
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with BookwyrmTarFile.open(mode="w:gz", fileobj=tar_file) as tar:
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# save json file
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tar.write_bytes(export_json_bytes)
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# Add avatar image if present
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if user.avatar:
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tar.add_image(user.avatar, directory="images/")
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for edition in editions:
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if edition.cover:
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tar.add_image(edition.cover, directory="images/")
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export_job.save(update_fields=["export_data"])
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self.complete_job()
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except Exception as err: # pylint: disable=broad-except
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logger.exception("AddFileToTar %s Failed with error: %s", self.id, err)
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self.stop_job(reason="failed")
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self.parent_job.stop_job(reason="failed")
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@app.task(queue=IMPORTS, base=ParentTask)
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def start_export_task(**kwargs):
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"""trigger the child tasks for user export"""
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job = BookwyrmExportJob.objects.get(id=kwargs["job_id"])
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job = BookwyrmExportJob.objects.get(id=job_id)
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# don't start the job if it was stopped from the UI
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if job.complete:
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return
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try:
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# prepare the initial file and base json
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job.export_json = job.user.to_activity()
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job.save(update_fields=["export_json"])
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# let's go
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json_export.delay(job_id=job.id, job_user=job.user.id, no_children=False)
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except Exception as err: # pylint: disable=broad-except
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logger.exception("User Export Job %s Failed with error: %s", job.id, err)
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job.set_status("failed")
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@app.task(queue=IMPORTS, base=ParentTask)
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def export_saved_lists_task(**kwargs):
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"""add user saved lists to export JSON"""
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job = BookwyrmExportJob.objects.get(id=kwargs["job_id"])
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saved_lists = List.objects.filter(id__in=job.user.saved_lists.all()).distinct()
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job.export_json["saved_lists"] = [l.remote_id for l in saved_lists]
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job.save(update_fields=["export_json"])
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@app.task(queue=IMPORTS, base=ParentTask)
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def export_follows_task(**kwargs):
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"""add user follows to export JSON"""
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job = BookwyrmExportJob.objects.get(id=kwargs["job_id"])
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follows = UserFollows.objects.filter(user_subject=job.user).distinct()
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following = User.objects.filter(userfollows_user_object__in=follows).distinct()
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job.export_json["follows"] = [f.remote_id for f in following]
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job.save(update_fields=["export_json"])
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@app.task(queue=IMPORTS, base=ParentTask)
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def export_blocks_task(**kwargs):
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"""add user blocks to export JSON"""
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job = BookwyrmExportJob.objects.get(id=kwargs["job_id"])
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blocks = UserBlocks.objects.filter(user_subject=job.user).distinct()
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blocking = User.objects.filter(userblocks_user_object__in=blocks).distinct()
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job.export_json["blocks"] = [b.remote_id for b in blocking]
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job.save(update_fields=["export_json"])
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@app.task(queue=IMPORTS, base=ParentTask)
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def export_reading_goals_task(**kwargs):
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"""add user reading goals to export JSON"""
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job = BookwyrmExportJob.objects.get(id=kwargs["job_id"])
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reading_goals = AnnualGoal.objects.filter(user=job.user).distinct()
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job.export_json["goals"] = []
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for goal in reading_goals:
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job.export_json["goals"].append(
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{"goal": goal.goal, "year": goal.year, "privacy": goal.privacy}
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)
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job.save(update_fields=["export_json"])
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@app.task(queue=IMPORTS, base=ParentTask)
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def json_export(**kwargs):
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"""Generate an export for a user"""
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try:
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job = BookwyrmExportJob.objects.get(id=kwargs["job_id"])
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job.set_status("active")
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job_id = kwargs["job_id"]
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if not job.export_json.get("icon"):
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job.export_json["icon"] = {}
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else:
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job.export_json["icon"]["url"] = url2relativepath(
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job.export_json["icon"]["url"]
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)
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# Additional settings - can't be serialized as AP
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vals = [
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"show_goal",
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"preferred_timezone",
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"default_post_privacy",
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"show_suggested_users",
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]
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job.export_json["settings"] = {}
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for k in vals:
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job.export_json["settings"][k] = getattr(job.user, k)
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job.export_json["books"] = []
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# save settings we just updated
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# generate JSON structure
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job.export_json = export_json(job.user)
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job.save(update_fields=["export_json"])
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# trigger subtasks
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export_saved_lists_task.delay(job_id=job_id, no_children=False)
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export_follows_task.delay(job_id=job_id, no_children=False)
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export_blocks_task.delay(job_id=job_id, no_children=False)
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trigger_books_jobs.delay(job_id=job_id, no_children=False)
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# create archive in separate task
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create_archive_task.delay(job_id=job.id)
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except Exception as err: # pylint: disable=broad-except
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logger.exception(
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"json_export task in job %s Failed with error: %s",
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job.id,
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err,
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"create_export_json_task for %s failed with error: %s", job, err
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)
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job.set_status("failed")
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@app.task(queue=IMPORTS, base=ParentTask)
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def trigger_books_jobs(**kwargs):
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"""trigger tasks to get data for each book"""
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@app.task(queue=IMPORTS)
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def create_archive_task(job_id):
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"""create the archive containing the JSON file and additional files"""
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job = BookwyrmExportJob.objects.get(id=job_id)
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# don't start the job if it was stopped from the UI
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if job.complete:
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return
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try:
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job = BookwyrmExportJob.objects.get(id=kwargs["job_id"])
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editions = get_books_for_user(job.user)
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export_task_id = job.task_id
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export_json_bytes = DjangoJSONEncoder().encode(job.export_json).encode("utf-8")
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if len(editions) == 0:
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job.notify_child_job_complete()
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return
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user = job.user
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editions = get_books_for_user(user)
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for edition in editions:
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try:
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edition_job = AddBookToUserExportJob.objects.create(
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edition=edition, parent_job=job
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)
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edition_job.start_job()
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except Exception as err: # pylint: disable=broad-except
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logger.exception(
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"AddBookToUserExportJob %s Failed with error: %s",
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edition_job.id,
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err,
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)
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edition_job.set_status("failed")
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if settings.USE_S3:
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# Connection for writing temporary files
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storage = S3Boto3Storage()
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# Handle for creating the final archive
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s3_archive_path = f"exports/{export_task_id}.tar.gz"
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s3_tar = S3Tar(
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settings.AWS_STORAGE_BUCKET_NAME,
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s3_archive_path,
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session=BookwyrmAwsSession(),
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)
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# Save JSON file to a temporary location
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export_json_tmp_file = f"exports/{export_task_id}/archive.json"
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S3Boto3Storage.save(
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storage,
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export_json_tmp_file,
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ContentFile(export_json_bytes),
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)
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s3_tar.add_file(export_json_tmp_file)
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# Add avatar image if present
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if user.avatar:
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s3_tar.add_file(f"images/{user.avatar.name}")
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for edition in editions:
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if edition.cover:
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s3_tar.add_file(f"images/{edition.cover.name}")
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# Create archive and store file name
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s3_tar.tar()
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job.export_data = s3_archive_path
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job.save(update_fields=["export_data"])
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# Delete temporary files
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S3Boto3Storage.delete(storage, export_json_tmp_file)
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else:
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job.export_data = f"{export_task_id}.tar.gz"
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with job.export_data.open("wb") as tar_file:
|
||||
with BookwyrmTarFile.open(mode="w:gz", fileobj=tar_file) as tar:
|
||||
# save json file
|
||||
tar.write_bytes(export_json_bytes)
|
||||
|
||||
# Add avatar image if present
|
||||
if user.avatar:
|
||||
tar.add_image(user.avatar, directory="images/")
|
||||
|
||||
for edition in editions:
|
||||
if edition.cover:
|
||||
tar.add_image(edition.cover, directory="images/")
|
||||
job.save(update_fields=["export_data"])
|
||||
|
||||
job.set_status("completed")
|
||||
|
||||
except Exception as err: # pylint: disable=broad-except
|
||||
logger.exception("trigger_books_jobs %s Failed with error: %s", job.id, err)
|
||||
logger.exception("create_archive_task for %s failed with error: %s", job, err)
|
||||
job.set_status("failed")
|
||||
|
||||
|
||||
def export_json(user: User):
|
||||
"""create export JSON"""
|
||||
data = export_user(user) # in the root of the JSON structure
|
||||
data["settings"] = export_settings(user)
|
||||
data["goals"] = export_goals(user)
|
||||
data["books"] = export_books(user)
|
||||
data["saved_lists"] = export_saved_lists(user)
|
||||
data["follows"] = export_follows(user)
|
||||
data["blocks"] = export_blocks(user)
|
||||
return data
|
||||
|
||||
|
||||
def export_user(user: User):
|
||||
"""export user data"""
|
||||
data = user.to_activity()
|
||||
data["icon"]["url"] = (
|
||||
url2relativepath(data["icon"]["url"]) if data.get("icon", False) else {}
|
||||
)
|
||||
return data
|
||||
|
||||
|
||||
def export_settings(user: User):
|
||||
"""Additional settings - can't be serialized as AP"""
|
||||
vals = [
|
||||
"show_goal",
|
||||
"preferred_timezone",
|
||||
"default_post_privacy",
|
||||
"show_suggested_users",
|
||||
]
|
||||
return {k: getattr(user, k) for k in vals}
|
||||
|
||||
|
||||
def export_saved_lists(user: User):
|
||||
"""add user saved lists to export JSON"""
|
||||
return [l.remote_id for l in user.saved_lists.all()]
|
||||
|
||||
|
||||
def export_follows(user: User):
|
||||
"""add user follows to export JSON"""
|
||||
follows = UserFollows.objects.filter(user_subject=user).distinct()
|
||||
following = User.objects.filter(userfollows_user_object__in=follows).distinct()
|
||||
return [f.remote_id for f in following]
|
||||
|
||||
|
||||
def export_blocks(user: User):
|
||||
"""add user blocks to export JSON"""
|
||||
blocks = UserBlocks.objects.filter(user_subject=user).distinct()
|
||||
blocking = User.objects.filter(userblocks_user_object__in=blocks).distinct()
|
||||
return [b.remote_id for b in blocking]
|
||||
|
||||
|
||||
def export_goals(user: User):
|
||||
"""add user reading goals to export JSON"""
|
||||
reading_goals = AnnualGoal.objects.filter(user=user).distinct()
|
||||
return [
|
||||
{"goal": goal.goal, "year": goal.year, "privacy": goal.privacy}
|
||||
for goal in reading_goals
|
||||
]
|
||||
|
||||
|
||||
def export_books(user: User):
|
||||
"""add books to export JSON"""
|
||||
editions = get_books_for_user(user)
|
||||
return [export_book(user, edition) for edition in editions]
|
||||
|
||||
|
||||
def export_book(user: User, edition: Edition):
|
||||
"""add book to export JSON"""
|
||||
data = {}
|
||||
data["work"] = edition.parent_work.to_activity()
|
||||
data["edition"] = edition.to_activity()
|
||||
|
||||
if data["edition"].get("cover"):
|
||||
data["edition"]["cover"]["url"] = url2relativepath(
|
||||
data["edition"]["cover"]["url"]
|
||||
)
|
||||
|
||||
# authors
|
||||
data["authors"] = [author.to_activity() for author in edition.authors.all()]
|
||||
|
||||
# Shelves this book is on
|
||||
# Every ShelfItem is this book so we don't other serializing
|
||||
shelf_books = (
|
||||
ShelfBook.objects.select_related("shelf")
|
||||
.filter(user=user, book=edition)
|
||||
.distinct()
|
||||
)
|
||||
data["shelves"] = [shelfbook.shelf.to_activity() for shelfbook in shelf_books]
|
||||
|
||||
# Lists and ListItems
|
||||
# ListItems include "notes" and "approved" so we need them
|
||||
# even though we know it's this book
|
||||
list_items = ListItem.objects.filter(book=edition, user=user).distinct()
|
||||
|
||||
data["lists"] = []
|
||||
for item in list_items:
|
||||
list_info = item.book_list.to_activity()
|
||||
list_info[
|
||||
"privacy"
|
||||
] = item.book_list.privacy # this isn't serialized so we add it
|
||||
list_info["list_item"] = item.to_activity()
|
||||
data["lists"].append(list_info)
|
||||
|
||||
# Statuses
|
||||
# Can't use select_subclasses here because
|
||||
# we need to filter on the "book" value,
|
||||
# which is not available on an ordinary Status
|
||||
for status in ["comments", "quotations", "reviews"]:
|
||||
data[status] = []
|
||||
|
||||
comments = Comment.objects.filter(user=user, book=edition).all()
|
||||
for status in comments:
|
||||
obj = status.to_activity()
|
||||
obj["progress"] = status.progress
|
||||
obj["progress_mode"] = status.progress_mode
|
||||
data["comments"].append(obj)
|
||||
|
||||
quotes = Quotation.objects.filter(user=user, book=edition).all()
|
||||
for status in quotes:
|
||||
obj = status.to_activity()
|
||||
obj["position"] = status.position
|
||||
obj["endposition"] = status.endposition
|
||||
obj["position_mode"] = status.position_mode
|
||||
data["quotations"].append(obj)
|
||||
|
||||
reviews = Review.objects.filter(user=user, book=edition).all()
|
||||
data["reviews"] = [status.to_activity() for status in reviews]
|
||||
|
||||
# readthroughs can't be serialized to activity
|
||||
book_readthroughs = (
|
||||
ReadThrough.objects.filter(user=user, book=edition).distinct().values()
|
||||
)
|
||||
data["readthroughs"] = list(book_readthroughs)
|
||||
return data
|
||||
|
||||
|
||||
def get_books_for_user(user):
|
||||
"""Get all the books and editions related to a user"""
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue