linkding/bookmarks/queries.py

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from typing import Optional
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from django.contrib.auth.models import User
from django.db.models import Q, QuerySet
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from bookmarks.models import Bookmark, Tag
from bookmarks.utils import unique
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def query_bookmarks(user: User, query_string: str) -> QuerySet:
return _base_bookmarks_query(user, query_string) \
.filter(is_archived=False)
def query_archived_bookmarks(user: User, query_string: str) -> QuerySet:
return _base_bookmarks_query(user, query_string) \
.filter(is_archived=True)
def query_shared_bookmarks(user: Optional[User], query_string: str) -> QuerySet:
return _base_bookmarks_query(user, query_string) \
.filter(shared=True) \
.filter(owner__profile__enable_sharing=True)
def _base_bookmarks_query(user: Optional[User], query_string: str) -> QuerySet:
query_set = Bookmark.objects
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# Filter for user
if user:
query_set = query_set.filter(owner=user)
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# Split query into search terms and tags
query = parse_query_string(query_string)
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# Filter for search terms and tags
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for term in query['search_terms']:
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query_set = query_set.filter(
Q(title__icontains=term)
| Q(description__icontains=term)
| Q(website_title__icontains=term)
| Q(website_description__icontains=term)
| Q(url__icontains=term)
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)
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for tag_name in query['tag_names']:
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query_set = query_set.filter(
tags__name__iexact=tag_name
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)
# Untagged bookmarks
if query['untagged']:
query_set = query_set.filter(
tags=None
)
# Unread bookmarks
if query['unread']:
query_set = query_set.filter(
unread=True
)
# Sort by date added
query_set = query_set.order_by('-date_added')
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return query_set
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def query_bookmark_tags(user: User, query_string: str) -> QuerySet:
bookmarks_query = query_bookmarks(user, query_string)
query_set = Tag.objects.filter(bookmark__in=bookmarks_query)
return query_set.distinct()
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def query_archived_bookmark_tags(user: User, query_string: str) -> QuerySet:
bookmarks_query = query_archived_bookmarks(user, query_string)
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query_set = Tag.objects.filter(bookmark__in=bookmarks_query)
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return query_set.distinct()
def query_shared_bookmark_tags(user: Optional[User], query_string: str) -> QuerySet:
bookmarks_query = query_shared_bookmarks(user, query_string)
query_set = Tag.objects.filter(bookmark__in=bookmarks_query)
return query_set.distinct()
def query_shared_bookmark_users(query_string: str) -> QuerySet:
bookmarks_query = query_shared_bookmarks(None, query_string)
query_set = User.objects.filter(bookmark__in=bookmarks_query)
return query_set.distinct()
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def get_user_tags(user: User):
return Tag.objects.filter(owner=user).all()
def parse_query_string(query_string):
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# Sanitize query params
if not query_string:
query_string = ''
# Split query into search terms and tags
keywords = query_string.strip().split(' ')
keywords = [word for word in keywords if word]
search_terms = [word for word in keywords if word[0] != '#' and word[0] != '!']
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tag_names = [word[1:] for word in keywords if word[0] == '#']
tag_names = unique(tag_names, str.lower)
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# Special search commands
untagged = '!untagged' in keywords
unread = '!unread' in keywords
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return {
'search_terms': search_terms,
'tag_names': tag_names,
'untagged': untagged,
'unread': unread,
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}