395 lines
11 KiB
Go
395 lines
11 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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"time"
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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/uptrace/bun"
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)
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type mediaDB struct {
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db *WrappedDB
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state *state.State
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}
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func (m *mediaDB) GetAttachmentByID(ctx context.Context, id string) (*gtsmodel.MediaAttachment, error) {
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return m.getAttachment(
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ctx,
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"ID",
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func(attachment *gtsmodel.MediaAttachment) error {
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return m.db.NewSelect().
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Model(attachment).
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Where("? = ?", bun.Ident("media_attachment.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 (m *mediaDB) GetAttachmentsByIDs(ctx context.Context, ids []string) ([]*gtsmodel.MediaAttachment, error) {
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attachments := make([]*gtsmodel.MediaAttachment, 0, len(ids))
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for _, id := range ids {
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// Attempt fetch from DB
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attachment, err := m.GetAttachmentByID(ctx, id)
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if err != nil {
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log.Errorf(ctx, "error getting attachment %q: %v", id, err)
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continue
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}
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// Append attachment
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attachments = append(attachments, attachment)
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}
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return attachments, nil
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}
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func (m *mediaDB) getAttachment(ctx context.Context, lookup string, dbQuery func(*gtsmodel.MediaAttachment) error, keyParts ...any) (*gtsmodel.MediaAttachment, error) {
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return m.state.Caches.GTS.Media().Load(lookup, func() (*gtsmodel.MediaAttachment, error) {
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var attachment gtsmodel.MediaAttachment
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// Not cached! Perform database query
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if err := dbQuery(&attachment); err != nil {
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return nil, m.db.ProcessError(err)
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}
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return &attachment, nil
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}, keyParts...)
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}
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func (m *mediaDB) PutAttachment(ctx context.Context, media *gtsmodel.MediaAttachment) error {
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return m.state.Caches.GTS.Media().Store(media, func() error {
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_, err := m.db.NewInsert().Model(media).Exec(ctx)
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return m.db.ProcessError(err)
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})
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}
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func (m *mediaDB) UpdateAttachment(ctx context.Context, media *gtsmodel.MediaAttachment, columns ...string) error {
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media.UpdatedAt = time.Now()
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if len(columns) > 0 {
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// If we're updating by column, ensure "updated_at" is included.
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columns = append(columns, "updated_at")
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}
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return m.state.Caches.GTS.Media().Store(media, func() error {
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_, err := m.db.NewUpdate().
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Model(media).
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Where("? = ?", bun.Ident("media_attachment.id"), media.ID).
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Column(columns...).
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Exec(ctx)
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return m.db.ProcessError(err)
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})
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}
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func (m *mediaDB) DeleteAttachment(ctx context.Context, id string) error {
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defer m.state.Caches.GTS.Media().Invalidate("ID", id)
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// Load media into cache before attempting a delete,
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// as we need it cached in order to trigger the invalidate
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// callback. This in turn invalidates others.
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media, err := m.GetAttachmentByID(gtscontext.SetBarebones(ctx), id)
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if err != nil {
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if errors.Is(err, db.ErrNoEntries) {
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// not an issue.
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err = nil
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}
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return err
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}
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var (
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invalidateAccount bool
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invalidateStatus bool
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)
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// Delete media attachment in new transaction.
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err = m.db.RunInTx(ctx, func(tx bun.Tx) error {
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if media.AccountID != "" {
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var account gtsmodel.Account
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// Get related account model.
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if _, err := tx.NewSelect().
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Model(&account).
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Where("? = ?", bun.Ident("id"), media.AccountID).
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Exec(ctx); err != nil && !errors.Is(err, db.ErrNoEntries) {
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return gtserror.Newf("error selecting account: %w", err)
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}
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var set func(*bun.UpdateQuery) *bun.UpdateQuery
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switch {
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case *media.Avatar && account.AvatarMediaAttachmentID == id:
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set = func(q *bun.UpdateQuery) *bun.UpdateQuery {
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return q.Set("? = NULL", bun.Ident("avatar_media_attachment_id"))
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}
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case *media.Header && account.HeaderMediaAttachmentID == id:
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set = func(q *bun.UpdateQuery) *bun.UpdateQuery {
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return q.Set("? = NULL", bun.Ident("header_media_attachment_id"))
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}
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}
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if set != nil {
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// Note: this handles not found.
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//
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// Update the account model.
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q := tx.NewUpdate().
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Table("accounts").
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Where("? = ?", bun.Ident("id"), account.ID)
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if _, err := set(q).Exec(ctx); err != nil {
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return gtserror.Newf("error updating account: %w", err)
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}
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// Mark as needing invalidate.
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invalidateAccount = true
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}
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}
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if media.StatusID != "" {
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var status gtsmodel.Status
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// Get related status model.
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if _, err := tx.NewSelect().
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Model(&status).
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Where("? = ?", bun.Ident("id"), media.StatusID).
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Exec(ctx); err != nil && !errors.Is(err, db.ErrNoEntries) {
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return gtserror.Newf("error selecting status: %w", err)
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}
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// Get length of attachments beforehand.
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before := len(status.AttachmentIDs)
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for i := 0; i < len(status.AttachmentIDs); {
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if status.AttachmentIDs[i] == id {
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// Remove this reference to deleted attachment ID.
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copy(status.AttachmentIDs[i:], status.AttachmentIDs[i+1:])
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status.AttachmentIDs = status.AttachmentIDs[:len(status.AttachmentIDs)-1]
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continue
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}
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i++
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}
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if before != len(status.AttachmentIDs) {
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// Note: this accounts for status not found.
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//
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// Attachments changed, update the status.
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if _, err := tx.NewUpdate().
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Table("statuses").
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Where("? = ?", bun.Ident("id"), status.ID).
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Set("? = ?", bun.Ident("attachment_ids"), status.AttachmentIDs).
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Exec(ctx); err != nil {
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return gtserror.Newf("error updating status: %w", err)
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}
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// Mark as needing invalidate.
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invalidateStatus = true
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}
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}
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// Finally delete this media.
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if _, err := tx.NewDelete().
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Table("media_attachments").
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Where("? = ?", bun.Ident("id"), id).
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Exec(ctx); err != nil {
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return gtserror.Newf("error deleting media: %w", err)
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}
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return nil
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})
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if invalidateAccount {
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// The account for given ID will have been updated in transaction.
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m.state.Caches.GTS.Account().Invalidate("ID", media.AccountID)
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}
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if invalidateStatus {
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// The status for given ID will have been updated in transaction.
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m.state.Caches.GTS.Status().Invalidate("ID", media.StatusID)
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}
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return m.db.ProcessError(err)
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}
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func (m *mediaDB) CountRemoteOlderThan(ctx context.Context, olderThan time.Time) (int, error) {
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q := m.db.
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NewSelect().
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TableExpr("? AS ?", bun.Ident("media_attachments"), bun.Ident("media_attachment")).
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Column("media_attachment.id").
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Where("? = ?", bun.Ident("media_attachment.cached"), true).
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Where("? IS NOT NULL", bun.Ident("media_attachment.remote_url")).
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Where("? < ?", bun.Ident("media_attachment.created_at"), olderThan)
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count, err := q.Count(ctx)
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if err != nil {
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return 0, m.db.ProcessError(err)
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}
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return count, nil
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}
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func (m *mediaDB) GetAttachments(ctx context.Context, maxID string, limit int) ([]*gtsmodel.MediaAttachment, error) {
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attachmentIDs := make([]string, 0, limit)
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q := m.db.NewSelect().
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Table("media_attachments").
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Column("id").
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Order("id DESC")
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if maxID != "" {
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q = q.Where("id < ?", maxID)
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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, &attachmentIDs); err != nil {
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return nil, m.db.ProcessError(err)
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}
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return m.GetAttachmentsByIDs(ctx, attachmentIDs)
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}
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func (m *mediaDB) GetRemoteAttachments(ctx context.Context, maxID string, limit int) ([]*gtsmodel.MediaAttachment, error) {
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attachmentIDs := make([]string, 0, limit)
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q := m.db.NewSelect().
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Table("media_attachments").
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Column("id").
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Where("remote_url IS NOT NULL").
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Order("id DESC")
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if maxID != "" {
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q = q.Where("id < ?", maxID)
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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, &attachmentIDs); err != nil {
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return nil, m.db.ProcessError(err)
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}
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return m.GetAttachmentsByIDs(ctx, attachmentIDs)
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}
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func (m *mediaDB) GetCachedAttachmentsOlderThan(ctx context.Context, olderThan time.Time, limit int) ([]*gtsmodel.MediaAttachment, error) {
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attachmentIDs := make([]string, 0, limit)
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q := m.db.
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NewSelect().
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Table("media_attachments").
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Column("id").
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Where("cached = true").
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Where("remote_url IS NOT NULL").
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Where("created_at < ?", olderThan).
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Order("created_at DESC")
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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, &attachmentIDs); err != nil {
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return nil, m.db.ProcessError(err)
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}
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return m.GetAttachmentsByIDs(ctx, attachmentIDs)
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}
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func (m *mediaDB) GetAvatarsAndHeaders(ctx context.Context, maxID string, limit int) ([]*gtsmodel.MediaAttachment, error) {
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attachmentIDs := make([]string, 0, limit)
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q := m.db.NewSelect().
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TableExpr("? AS ?", bun.Ident("media_attachments"), bun.Ident("media_attachment")).
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Column("media_attachment.id").
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WhereGroup(" AND ", func(innerQ *bun.SelectQuery) *bun.SelectQuery {
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return innerQ.
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WhereOr("? = ?", bun.Ident("media_attachment.avatar"), true).
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WhereOr("? = ?", bun.Ident("media_attachment.header"), true)
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}).
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Order("media_attachment.id DESC")
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if maxID != "" {
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q = q.Where("? < ?", bun.Ident("media_attachment.id"), maxID)
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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, &attachmentIDs); err != nil {
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return nil, m.db.ProcessError(err)
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}
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return m.GetAttachmentsByIDs(ctx, attachmentIDs)
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}
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func (m *mediaDB) GetLocalUnattachedOlderThan(ctx context.Context, olderThan time.Time, limit int) ([]*gtsmodel.MediaAttachment, error) {
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attachmentIDs := make([]string, 0, limit)
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q := m.db.
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NewSelect().
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TableExpr("? AS ?", bun.Ident("media_attachments"), bun.Ident("media_attachment")).
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Column("media_attachment.id").
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Where("? = ?", bun.Ident("media_attachment.cached"), true).
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Where("? = ?", bun.Ident("media_attachment.avatar"), false).
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Where("? = ?", bun.Ident("media_attachment.header"), false).
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Where("? < ?", bun.Ident("media_attachment.created_at"), olderThan).
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Where("? IS NULL", bun.Ident("media_attachment.remote_url")).
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Where("? IS NULL", bun.Ident("media_attachment.status_id")).
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Order("media_attachment.created_at DESC")
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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, &attachmentIDs); err != nil {
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return nil, m.db.ProcessError(err)
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}
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return m.GetAttachmentsByIDs(ctx, attachmentIDs)
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}
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func (m *mediaDB) CountLocalUnattachedOlderThan(ctx context.Context, olderThan time.Time) (int, error) {
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q := m.db.
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NewSelect().
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TableExpr("? AS ?", bun.Ident("media_attachments"), bun.Ident("media_attachment")).
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Column("media_attachment.id").
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Where("? = ?", bun.Ident("media_attachment.cached"), true).
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Where("? = ?", bun.Ident("media_attachment.avatar"), false).
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Where("? = ?", bun.Ident("media_attachment.header"), false).
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Where("? < ?", bun.Ident("media_attachment.created_at"), olderThan).
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Where("? IS NULL", bun.Ident("media_attachment.remote_url")).
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Where("? IS NULL", bun.Ident("media_attachment.status_id"))
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count, err := q.Count(ctx)
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if err != nil {
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return 0, m.db.ProcessError(err)
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}
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return count, nil
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}
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