linkding/bookmarks/services/bookmarks.py

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from django.contrib.auth.models import User
from django.utils import timezone
from bookmarks.models import Bookmark, parse_tag_string
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from bookmarks.services.tags import get_or_create_tags
from bookmarks.services.website_loader import load_website_metadata
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def create_bookmark(bookmark: Bookmark, tag_string: str, current_user: User):
# If URL is already bookmarked, then update it
existing_bookmark: Bookmark = Bookmark.objects.filter(owner=current_user, url=bookmark.url).first()
if existing_bookmark is not None:
_merge_bookmark_data(bookmark, existing_bookmark)
return update_bookmark(existing_bookmark, tag_string, current_user)
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# Update website info
_update_website_metadata(bookmark)
# Set currently logged in user as owner
bookmark.owner = current_user
# Set dates
bookmark.date_added = timezone.now()
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bookmark.date_modified = timezone.now()
bookmark.save()
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# Update tag list
_update_bookmark_tags(bookmark, tag_string, current_user)
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bookmark.save()
return bookmark
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def update_bookmark(bookmark: Bookmark, tag_string, current_user: User):
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# Update website info
_update_website_metadata(bookmark)
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# Update tag list
_update_bookmark_tags(bookmark, tag_string, current_user)
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# Update dates
bookmark.date_modified = timezone.now()
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bookmark.save()
return bookmark
def _merge_bookmark_data(from_bookmark: Bookmark, to_bookmark: Bookmark):
to_bookmark.title = from_bookmark.title
to_bookmark.description = from_bookmark.description
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def _update_website_metadata(bookmark: Bookmark):
metadata = load_website_metadata(bookmark.url)
bookmark.website_title = metadata.title
bookmark.website_description = metadata.description
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def _update_bookmark_tags(bookmark: Bookmark, tag_string: str, user: User):
tag_names = parse_tag_string(tag_string, ' ')
tags = get_or_create_tags(tag_names, user)
bookmark.tags.set(tags)