mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-05 10:02:47 +00:00
e3c2b790fd
* when appending log field only do so by minimal amount * move slice utils to separate package to fix import cycle, add GrowJust() and AppendJust() functions * fix GrowJust() not returning slice of same length * improved xslices tests * make AppendJust() test check for slice contents, fix AppendJust() final copying behaviour * add a +1 with field growth to try minimise allocation for log 'msg' field
343 lines
10 KiB
Go
343 lines
10 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package bundb
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import (
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"context"
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"errors"
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"slices"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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"github.com/superseriousbusiness/gotosocial/internal/gtscontext"
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"github.com/superseriousbusiness/gotosocial/internal/gtserror"
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"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
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"github.com/superseriousbusiness/gotosocial/internal/log"
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"github.com/superseriousbusiness/gotosocial/internal/state"
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"github.com/superseriousbusiness/gotosocial/internal/util/xslices"
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"github.com/uptrace/bun"
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)
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type statusBookmarkDB struct {
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db *bun.DB
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state *state.State
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}
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func (s *statusBookmarkDB) GetStatusBookmarkByID(ctx context.Context, id string) (*gtsmodel.StatusBookmark, error) {
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return s.getStatusBookmark(
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ctx,
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"ID",
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func(bookmark *gtsmodel.StatusBookmark) error {
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return s.db.
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NewSelect().
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Model(bookmark).
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Where("? = ?", bun.Ident("id"), id).
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Scan(ctx)
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},
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id,
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)
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}
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func (s *statusBookmarkDB) GetStatusBookmark(ctx context.Context, accountID string, statusID string) (*gtsmodel.StatusBookmark, error) {
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return s.getStatusBookmark(
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ctx,
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"AccountID,StatusID",
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func(bookmark *gtsmodel.StatusBookmark) error {
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return s.db.
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NewSelect().
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Model(bookmark).
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Where("? = ?", bun.Ident("account_id"), accountID).
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Where("? = ?", bun.Ident("status_id"), statusID).
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Scan(ctx)
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},
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accountID, statusID,
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)
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}
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func (s *statusBookmarkDB) GetStatusBookmarksByIDs(ctx context.Context, ids []string) ([]*gtsmodel.StatusBookmark, error) {
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// Load all input bookmark IDs via cache loader callback.
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bookmarks, err := s.state.Caches.DB.StatusBookmark.LoadIDs("ID",
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ids,
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func(uncached []string) ([]*gtsmodel.StatusBookmark, error) {
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// Preallocate expected length of uncached bookmarks.
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bookmarks := make([]*gtsmodel.StatusBookmark, 0, len(uncached))
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// Perform database query scanning
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// the remaining (uncached) bookmarks.
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if err := s.db.NewSelect().
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Model(&bookmarks).
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Where("? IN (?)", bun.Ident("id"), bun.In(uncached)).
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Scan(ctx); err != nil {
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return nil, err
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}
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return bookmarks, nil
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},
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)
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if err != nil {
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return nil, err
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}
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// Reorder the bookmarks by their
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// IDs to ensure in correct order.
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getID := func(b *gtsmodel.StatusBookmark) string { return b.ID }
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xslices.OrderBy(bookmarks, ids, getID)
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// Populate all loaded bookmarks, removing those we fail
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// to populate (removes needing so many later nil checks).
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bookmarks = slices.DeleteFunc(bookmarks, func(bookmark *gtsmodel.StatusBookmark) bool {
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if err := s.PopulateStatusBookmark(ctx, bookmark); err != nil {
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log.Errorf(ctx, "error populating bookmark %s: %v", bookmark.ID, err)
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return true
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}
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return false
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})
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return bookmarks, nil
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}
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func (s *statusBookmarkDB) IsStatusBookmarked(ctx context.Context, statusID string) (bool, error) {
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bookmarkIDs, err := s.getStatusBookmarkIDs(ctx, statusID)
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return (len(bookmarkIDs) > 0), err
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}
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func (s *statusBookmarkDB) IsStatusBookmarkedBy(ctx context.Context, accountID string, statusID string) (bool, error) {
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bookmark, err := s.GetStatusBookmark(ctx, accountID, statusID)
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if err != nil && !errors.Is(err, db.ErrNoEntries) {
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return false, err
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}
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return (bookmark != nil), nil
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}
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func (s *statusBookmarkDB) getStatusBookmark(ctx context.Context, lookup string, dbQuery func(*gtsmodel.StatusBookmark) error, keyParts ...any) (*gtsmodel.StatusBookmark, error) {
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// Fetch bookmark from database cache with loader callback.
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bookmark, err := s.state.Caches.DB.StatusBookmark.LoadOne(lookup, func() (*gtsmodel.StatusBookmark, error) {
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var bookmark gtsmodel.StatusBookmark
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// Not cached! Perform database query.
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if err := dbQuery(&bookmark); err != nil {
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return nil, err
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}
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return &bookmark, nil
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}, keyParts...)
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if err != nil {
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return nil, err
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}
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if gtscontext.Barebones(ctx) {
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// no need to fully populate.
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return bookmark, nil
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}
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// Further populate the bookmark fields where applicable.
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if err := s.PopulateStatusBookmark(ctx, bookmark); err != nil {
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return nil, err
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}
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return bookmark, nil
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}
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func (s *statusBookmarkDB) PopulateStatusBookmark(ctx context.Context, bookmark *gtsmodel.StatusBookmark) (err error) {
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var errs gtserror.MultiError
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if bookmark.Account == nil {
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// Bookmark author is not set, fetch from database.
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bookmark.Account, err = s.state.DB.GetAccountByID(
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gtscontext.SetBarebones(ctx),
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bookmark.AccountID,
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)
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if err != nil {
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errs.Appendf("error getting bookmark account %s: %w", bookmark.AccountID, err)
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}
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}
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if bookmark.TargetAccount == nil {
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// Bookmark target account is not set, fetch from database.
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bookmark.TargetAccount, err = s.state.DB.GetAccountByID(
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gtscontext.SetBarebones(ctx),
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bookmark.TargetAccountID,
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)
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if err != nil {
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errs.Appendf("error getting bookmark target account %s: %w", bookmark.TargetAccountID, err)
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}
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}
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if bookmark.Status == nil {
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// Bookmarked status not set, fetch from database.
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bookmark.Status, err = s.state.DB.GetStatusByID(
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gtscontext.SetBarebones(ctx),
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bookmark.StatusID,
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)
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if err != nil {
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errs.Appendf("error getting bookmark status %s: %w", bookmark.StatusID, err)
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}
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}
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return errs.Combine()
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}
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func (s *statusBookmarkDB) GetStatusBookmarks(ctx context.Context, accountID string, limit int, maxID string, minID string) ([]*gtsmodel.StatusBookmark, error) {
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// Ensure reasonable
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if limit < 0 {
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limit = 0
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}
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// Guess size of IDs based on limit.
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ids := make([]string, 0, limit)
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q := s.db.
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NewSelect().
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TableExpr("? AS ?", bun.Ident("status_bookmarks"), bun.Ident("status_bookmark")).
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Column("status_bookmark.id").
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Where("? = ?", bun.Ident("status_bookmark.account_id"), accountID).
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Order("status_bookmark.id DESC")
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if accountID == "" {
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return nil, errors.New("must provide an account")
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}
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if maxID != "" {
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q = q.Where("? < ?", bun.Ident("status_bookmark.id"), maxID)
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}
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if minID != "" {
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q = q.Where("? > ?", bun.Ident("status_bookmark.id"), minID)
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}
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if limit != 0 {
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q = q.Limit(limit)
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}
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if err := q.Scan(ctx, &ids); err != nil {
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return nil, err
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}
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return s.GetStatusBookmarksByIDs(ctx, ids)
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}
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func (s *statusBookmarkDB) getStatusBookmarkIDs(ctx context.Context, statusID string) ([]string, error) {
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return s.state.Caches.DB.StatusBookmarkIDs.Load(statusID, func() ([]string, error) {
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var bookmarkIDs []string
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// Bookmark IDs not cached,
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// perform database query.
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if err := s.db.
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NewSelect().
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Table("status_bookmarks").
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Column("id").Where("? = ?", bun.Ident("status_id"), statusID).
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Order("id DESC").
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Scan(ctx, &bookmarkIDs); err != nil {
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return nil, err
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}
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return bookmarkIDs, nil
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})
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}
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func (s *statusBookmarkDB) PutStatusBookmark(ctx context.Context, bookmark *gtsmodel.StatusBookmark) error {
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return s.state.Caches.DB.StatusBookmark.Store(bookmark, func() error {
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_, err := s.db.NewInsert().Model(bookmark).Exec(ctx)
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return err
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})
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}
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func (s *statusBookmarkDB) DeleteStatusBookmarkByID(ctx context.Context, id string) error {
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// Gather necessary fields from
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// deleted for cache invaliation.
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var deleted gtsmodel.StatusBookmark
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deleted.ID = id
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// Delete block with given URI,
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// returning the deleted models.
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if _, err := s.db.NewDelete().
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Model(&deleted).
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Where("? = ?", bun.Ident("id"), id).
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Returning("?", bun.Ident("status_id")).
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Exec(ctx); err != nil &&
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!errors.Is(err, db.ErrNoEntries) {
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return err
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}
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// Invalidate cached status bookmark by its ID,
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// manually call invalidate hook in case not cached.
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s.state.Caches.DB.StatusBookmark.Invalidate("ID", id)
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s.state.Caches.OnInvalidateStatusBookmark(&deleted)
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return nil
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}
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func (s *statusBookmarkDB) DeleteStatusBookmarks(ctx context.Context, targetAccountID string, originAccountID string) error {
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if targetAccountID == "" && originAccountID == "" {
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return gtserror.New("one of targetAccountID or originAccountID must be set")
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}
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// Gather necessary fields from
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// deleted for cache invaliation.
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var deleted []*gtsmodel.StatusBookmark
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q := s.db.
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NewDelete().
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Model(&deleted).
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Returning("?", bun.Ident("status_id"))
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if targetAccountID != "" {
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q = q.Where("? = ?", bun.Ident("target_account_id"), targetAccountID)
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}
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if originAccountID != "" {
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q = q.Where("? = ?", bun.Ident("account_id"), originAccountID)
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}
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if _, err := q.Exec(ctx); err != nil &&
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!errors.Is(err, db.ErrNoEntries) {
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return err
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}
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for _, deleted := range deleted {
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// Invalidate cached status bookmark by status ID,
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// manually call invalidate hook in case not cached.
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s.state.Caches.DB.StatusBookmark.Invalidate("StatusID", deleted.StatusID)
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s.state.Caches.OnInvalidateStatusBookmark(deleted)
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}
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return nil
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}
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func (s *statusBookmarkDB) DeleteStatusBookmarksForStatus(ctx context.Context, statusID string) error {
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// Delete status bookmarks
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// from database by status ID.
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q := s.db.NewDelete().
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TableExpr("? AS ?", bun.Ident("status_bookmarks"), bun.Ident("status_bookmark")).
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Where("? = ?", bun.Ident("status_bookmark.status_id"), statusID)
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if _, err := q.Exec(ctx); err != nil {
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return err
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}
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// Wrap provided ID in a bookmark
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// model for calling cache hook.
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var deleted gtsmodel.StatusBookmark
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deleted.StatusID = statusID
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// Invalidate cached status bookmark by status ID,
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// manually call invalidate hook in case not cached.
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s.state.Caches.DB.StatusBookmark.Invalidate("StatusID", statusID)
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s.state.Caches.OnInvalidateStatusBookmark(&deleted)
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return nil
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}
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