mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-10-23 13:32:17 +00:00
* convert most of the caches to use result.Cache{} * add caching of emojis * fix issues causing failing tests * update go-cache/v2 instances with v3 * fix getnotification * add a note about the left-in StatusCreate comment * update EmojiCategory db access to use new result.Cache{} * fix possible panic in getstatusparents * further proof that kim is not stinky
502 lines
14 KiB
Go
502 lines
14 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
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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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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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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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*/
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package bundb
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import (
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"container/list"
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"context"
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"database/sql"
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"errors"
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"time"
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"codeberg.org/gruf/go-cache/v3/result"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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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/uptrace/bun"
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)
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type statusDB struct {
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conn *DBConn
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cache *result.Cache[*gtsmodel.Status]
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accounts *accountDB
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}
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func (s *statusDB) init() {
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// Initialize status result cache
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s.cache = result.NewSized([]result.Lookup{
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{Name: "ID"},
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{Name: "URI"},
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{Name: "URL"},
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}, func(s1 *gtsmodel.Status) *gtsmodel.Status {
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s2 := new(gtsmodel.Status)
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*s2 = *s1
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return s2
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}, 1000)
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// Set cache TTL and start sweep routine
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s.cache.SetTTL(time.Minute*5, false)
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s.cache.Start(time.Second * 10)
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}
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func (s *statusDB) newStatusQ(status interface{}) *bun.SelectQuery {
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return s.conn.
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NewSelect().
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Model(status).
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Relation("Attachments").
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Relation("Tags").
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Relation("Mentions").
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Relation("Emojis").
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Relation("Account").
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Relation("InReplyToAccount").
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Relation("BoostOfAccount").
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Relation("CreatedWithApplication")
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}
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func (s *statusDB) newFaveQ(faves interface{}) *bun.SelectQuery {
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return s.conn.
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NewSelect().
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Model(faves).
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Relation("Account").
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Relation("TargetAccount").
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Relation("Status")
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}
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func (s *statusDB) GetStatusByID(ctx context.Context, id string) (*gtsmodel.Status, db.Error) {
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return s.getStatus(
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ctx,
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"ID",
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func(status *gtsmodel.Status) error {
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return s.newStatusQ(status).Where("? = ?", bun.Ident("status.id"), id).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 *statusDB) GetStatusByURI(ctx context.Context, uri string) (*gtsmodel.Status, db.Error) {
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return s.getStatus(
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ctx,
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"URI",
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func(status *gtsmodel.Status) error {
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return s.newStatusQ(status).Where("? = ?", bun.Ident("status.uri"), uri).Scan(ctx)
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},
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uri,
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)
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}
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func (s *statusDB) GetStatusByURL(ctx context.Context, url string) (*gtsmodel.Status, db.Error) {
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return s.getStatus(
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ctx,
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"URL",
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func(status *gtsmodel.Status) error {
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return s.newStatusQ(status).Where("? = ?", bun.Ident("status.url"), url).Scan(ctx)
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},
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url,
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)
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}
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func (s *statusDB) getStatus(ctx context.Context, lookup string, dbQuery func(*gtsmodel.Status) error, keyParts ...any) (*gtsmodel.Status, db.Error) {
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// Fetch status from database cache with loader callback
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status, err := s.cache.Load(lookup, func() (*gtsmodel.Status, error) {
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var status gtsmodel.Status
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// Not cached! Perform database query
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if err := dbQuery(&status); err != nil {
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return nil, s.conn.ProcessError(err)
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}
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// If there is boosted, fetch from DB also
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if status.BoostOfID != "" {
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status.BoostOf = >smodel.Status{}
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err := s.newStatusQ(status.BoostOf).
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Where("? = ?", bun.Ident("status.id"), status.BoostOfID).
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Scan(ctx)
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if err != nil {
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return nil, s.conn.ProcessError(err)
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}
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}
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return &status, nil
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}, keyParts...)
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if err != nil {
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// error already processed
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return nil, err
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}
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// Set the status author account
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author, err := s.accounts.GetAccountByID(ctx, status.AccountID)
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if err != nil {
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return nil, err
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}
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// Return the prepared status
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status.Account = author
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return status, nil
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}
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func (s *statusDB) PutStatus(ctx context.Context, status *gtsmodel.Status) db.Error {
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return s.cache.Store(status, func() error {
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// It is safe to run this database transaction within cache.Store
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// as the cache does not attempt a mutex lock until AFTER hook.
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//
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return s.conn.RunInTx(ctx, func(tx bun.Tx) error {
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// create links between this status and any emojis it uses
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for _, i := range status.EmojiIDs {
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if _, err := tx.
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NewInsert().
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Model(>smodel.StatusToEmoji{
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StatusID: status.ID,
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EmojiID: i,
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}).Exec(ctx); err != nil {
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err = s.conn.ProcessError(err)
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if !errors.Is(err, db.ErrAlreadyExists) {
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return err
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}
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}
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}
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// create links between this status and any tags it uses
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for _, i := range status.TagIDs {
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if _, err := tx.
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NewInsert().
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Model(>smodel.StatusToTag{
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StatusID: status.ID,
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TagID: i,
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}).Exec(ctx); err != nil {
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err = s.conn.ProcessError(err)
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if !errors.Is(err, db.ErrAlreadyExists) {
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return err
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}
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}
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}
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// change the status ID of the media attachments to the new status
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for _, a := range status.Attachments {
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a.StatusID = status.ID
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a.UpdatedAt = time.Now()
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if _, err := tx.
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NewUpdate().
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Model(a).
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Where("? = ?", bun.Ident("media_attachment.id"), a.ID).
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Exec(ctx); err != nil {
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err = s.conn.ProcessError(err)
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if !errors.Is(err, db.ErrAlreadyExists) {
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return err
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}
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}
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}
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// Finally, insert the status
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_, err := tx.NewInsert().Model(status).Exec(ctx)
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return err
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})
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})
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}
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func (s *statusDB) UpdateStatus(ctx context.Context, status *gtsmodel.Status) db.Error {
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if err := s.conn.RunInTx(ctx, func(tx bun.Tx) error {
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// create links between this status and any emojis it uses
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for _, i := range status.EmojiIDs {
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if _, err := tx.
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NewInsert().
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Model(>smodel.StatusToEmoji{
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StatusID: status.ID,
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EmojiID: i,
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}).Exec(ctx); err != nil {
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err = s.conn.ProcessError(err)
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if !errors.Is(err, db.ErrAlreadyExists) {
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return err
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}
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}
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}
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// create links between this status and any tags it uses
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for _, i := range status.TagIDs {
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if _, err := tx.
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NewInsert().
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Model(>smodel.StatusToTag{
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StatusID: status.ID,
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TagID: i,
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}).Exec(ctx); err != nil {
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err = s.conn.ProcessError(err)
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if !errors.Is(err, db.ErrAlreadyExists) {
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return err
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}
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}
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}
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// change the status ID of the media attachments to the new status
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for _, a := range status.Attachments {
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a.StatusID = status.ID
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a.UpdatedAt = time.Now()
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if _, err := tx.
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NewUpdate().
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Model(a).
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Where("? = ?", bun.Ident("media_attachment.id"), a.ID).
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Exec(ctx); err != nil {
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err = s.conn.ProcessError(err)
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if !errors.Is(err, db.ErrAlreadyExists) {
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return err
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}
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}
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}
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// Finally, insert the status
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_, err := tx.
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NewUpdate().
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Model(status).
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Where("? = ?", bun.Ident("status.id"), status.ID).
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Exec(ctx)
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return err
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}); err != nil {
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return err
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}
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// Drop any old value from cache by this ID
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s.cache.Invalidate("ID", status.ID)
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return nil
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}
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func (s *statusDB) DeleteStatusByID(ctx context.Context, id string) db.Error {
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if err := s.conn.RunInTx(ctx, func(tx bun.Tx) error {
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// delete links between this status and any emojis it uses
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if _, err := tx.
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NewDelete().
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TableExpr("? AS ?", bun.Ident("status_to_emojis"), bun.Ident("status_to_emoji")).
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Where("? = ?", bun.Ident("status_to_emoji.status_id"), id).
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Exec(ctx); err != nil {
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return err
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}
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// delete links between this status and any tags it uses
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if _, err := tx.
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NewDelete().
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TableExpr("? AS ?", bun.Ident("status_to_tags"), bun.Ident("status_to_tag")).
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Where("? = ?", bun.Ident("status_to_tag.status_id"), id).
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Exec(ctx); err != nil {
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return err
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}
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// delete the status itself
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if _, err := tx.
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NewDelete().
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TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
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Where("? = ?", bun.Ident("status.id"), id).
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Exec(ctx); err != nil {
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return err
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}
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return nil
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}); err != nil {
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return err
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}
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// Drop any old value from cache by this ID
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s.cache.Invalidate("ID", id)
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return nil
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}
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func (s *statusDB) GetStatusParents(ctx context.Context, status *gtsmodel.Status, onlyDirect bool) ([]*gtsmodel.Status, db.Error) {
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if onlyDirect {
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// Only want the direct parent, no further than first level
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parent, err := s.GetStatusByID(ctx, status.InReplyToID)
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if err != nil {
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return nil, err
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}
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return []*gtsmodel.Status{parent}, nil
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}
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var parents []*gtsmodel.Status
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for id := status.InReplyToID; id != ""; {
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parent, err := s.GetStatusByID(ctx, id)
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if err != nil {
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return nil, err
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}
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// Append parent to slice
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parents = append(parents, parent)
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// Set the next parent ID
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id = parent.InReplyToID
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}
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return parents, nil
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}
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func (s *statusDB) GetStatusChildren(ctx context.Context, status *gtsmodel.Status, onlyDirect bool, minID string) ([]*gtsmodel.Status, db.Error) {
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foundStatuses := &list.List{}
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foundStatuses.PushFront(status)
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s.statusChildren(ctx, status, foundStatuses, onlyDirect, minID)
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children := []*gtsmodel.Status{}
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for e := foundStatuses.Front(); e != nil; e = e.Next() {
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// only append children, not the overall parent status
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entry, ok := e.Value.(*gtsmodel.Status)
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if !ok {
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log.Panic("GetStatusChildren: found status could not be asserted to *gtsmodel.Status")
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}
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if entry.ID != status.ID {
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children = append(children, entry)
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}
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}
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return children, nil
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}
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func (s *statusDB) statusChildren(ctx context.Context, status *gtsmodel.Status, foundStatuses *list.List, onlyDirect bool, minID string) {
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var childIDs []string
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q := s.conn.
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NewSelect().
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TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
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Column("status.id").
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Where("? = ?", bun.Ident("status.in_reply_to_id"), status.ID)
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if minID != "" {
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q = q.Where("? > ?", bun.Ident("status.id"), minID)
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}
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if err := q.Scan(ctx, &childIDs); err != nil {
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if err != sql.ErrNoRows {
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log.Errorf("statusChildren: error getting children for %q: %v", status.ID, err)
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}
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return
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}
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for _, id := range childIDs {
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// Fetch child with ID from database
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child, err := s.GetStatusByID(ctx, id)
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if err != nil {
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log.Errorf("statusChildren: error getting child status %q: %v", id, err)
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continue
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}
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insertLoop:
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for e := foundStatuses.Front(); e != nil; e = e.Next() {
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entry, ok := e.Value.(*gtsmodel.Status)
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if !ok {
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log.Panic("statusChildren: found status could not be asserted to *gtsmodel.Status")
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}
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if child.InReplyToAccountID != "" && entry.ID == child.InReplyToID {
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foundStatuses.InsertAfter(child, e)
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break insertLoop
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}
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}
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// if we're not only looking for direct children of status, then do the same children-finding
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// operation for the found child status too.
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if !onlyDirect {
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s.statusChildren(ctx, child, foundStatuses, false, minID)
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}
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}
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}
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func (s *statusDB) CountStatusReplies(ctx context.Context, status *gtsmodel.Status) (int, db.Error) {
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return s.conn.
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NewSelect().
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TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
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Where("? = ?", bun.Ident("status.in_reply_to_id"), status.ID).
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Count(ctx)
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}
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func (s *statusDB) CountStatusReblogs(ctx context.Context, status *gtsmodel.Status) (int, db.Error) {
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return s.conn.
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NewSelect().
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TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
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Where("? = ?", bun.Ident("status.boost_of_id"), status.ID).
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Count(ctx)
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}
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func (s *statusDB) CountStatusFaves(ctx context.Context, status *gtsmodel.Status) (int, db.Error) {
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return s.conn.
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NewSelect().
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TableExpr("? AS ?", bun.Ident("status_faves"), bun.Ident("status_fave")).
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Where("? = ?", bun.Ident("status_fave.status_id"), status.ID).
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Count(ctx)
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}
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func (s *statusDB) IsStatusFavedBy(ctx context.Context, status *gtsmodel.Status, accountID string) (bool, db.Error) {
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q := s.conn.
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NewSelect().
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TableExpr("? AS ?", bun.Ident("status_faves"), bun.Ident("status_fave")).
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Where("? = ?", bun.Ident("status_fave.status_id"), status.ID).
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Where("? = ?", bun.Ident("status_fave.account_id"), accountID)
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return s.conn.Exists(ctx, q)
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}
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func (s *statusDB) IsStatusRebloggedBy(ctx context.Context, status *gtsmodel.Status, accountID string) (bool, db.Error) {
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q := s.conn.
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NewSelect().
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TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
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Where("? = ?", bun.Ident("status.boost_of_id"), status.ID).
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Where("? = ?", bun.Ident("status.account_id"), accountID)
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return s.conn.Exists(ctx, q)
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}
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func (s *statusDB) IsStatusMutedBy(ctx context.Context, status *gtsmodel.Status, accountID string) (bool, db.Error) {
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q := s.conn.
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NewSelect().
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TableExpr("? AS ?", bun.Ident("status_mutes"), bun.Ident("status_mute")).
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Where("? = ?", bun.Ident("status_mute.status_id"), status.ID).
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Where("? = ?", bun.Ident("status_mute.account_id"), accountID)
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return s.conn.Exists(ctx, q)
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}
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func (s *statusDB) IsStatusBookmarkedBy(ctx context.Context, status *gtsmodel.Status, accountID string) (bool, db.Error) {
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q := s.conn.
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NewSelect().
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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"), status.ID).
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Where("? = ?", bun.Ident("status_bookmark.account_id"), accountID)
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return s.conn.Exists(ctx, q)
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}
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func (s *statusDB) GetStatusFaves(ctx context.Context, status *gtsmodel.Status) ([]*gtsmodel.StatusFave, db.Error) {
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faves := []*gtsmodel.StatusFave{}
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q := s.
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newFaveQ(&faves).
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Where("? = ?", bun.Ident("status_fave.status_id"), status.ID)
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if err := q.Scan(ctx); err != nil {
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return nil, s.conn.ProcessError(err)
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}
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return faves, nil
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}
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func (s *statusDB) GetStatusReblogs(ctx context.Context, status *gtsmodel.Status) ([]*gtsmodel.Status, db.Error) {
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reblogs := []*gtsmodel.Status{}
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q := s.
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newStatusQ(&reblogs).
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Where("? = ?", bun.Ident("status.boost_of_id"), status.ID)
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if err := q.Scan(ctx); err != nil {
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return nil, s.conn.ProcessError(err)
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}
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return reblogs, nil
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}
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