mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-13 02:36:33 +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
176 lines
4.9 KiB
Go
176 lines
4.9 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 mentionDB struct {
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db *bun.DB
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state *state.State
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}
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func (m *mentionDB) GetMention(ctx context.Context, id string) (*gtsmodel.Mention, error) {
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mention, err := m.state.Caches.DB.Mention.LoadOne("ID", func() (*gtsmodel.Mention, error) {
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var mention gtsmodel.Mention
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q := m.db.
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NewSelect().
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Model(&mention).
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Where("? = ?", bun.Ident("mention.id"), id)
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if err := q.Scan(ctx); err != nil {
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return nil, err
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}
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return &mention, nil
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}, id)
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if err != nil {
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return nil, err
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}
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// Further populate the mention fields where applicable.
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if err := m.PopulateMention(ctx, mention); err != nil {
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return nil, err
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}
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return mention, nil
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}
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func (m *mentionDB) GetMentions(ctx context.Context, ids []string) ([]*gtsmodel.Mention, error) {
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// Load all mention IDs via cache loader callbacks.
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mentions, err := m.state.Caches.DB.Mention.LoadIDs("ID",
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ids,
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func(uncached []string) ([]*gtsmodel.Mention, error) {
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// Preallocate expected length of uncached mentions.
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mentions := make([]*gtsmodel.Mention, 0, len(uncached))
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// Perform database query scanning
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// the remaining (uncached) IDs.
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if err := m.db.NewSelect().
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Model(&mentions).
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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 mentions, 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 mentions by their
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// IDs to ensure in correct order.
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getID := func(m *gtsmodel.Mention) string { return m.ID }
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xslices.OrderBy(mentions, ids, getID)
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if gtscontext.Barebones(ctx) {
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// no need to fully populate.
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return mentions, nil
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}
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// Populate all loaded mentions, removing those we fail to
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// populate (removes needing so many nil checks everywhere).
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mentions = slices.DeleteFunc(mentions, func(mention *gtsmodel.Mention) bool {
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if err := m.PopulateMention(ctx, mention); err != nil {
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log.Errorf(ctx, "error populating mention %s: %v", mention.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 mentions, nil
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}
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func (m *mentionDB) PopulateMention(ctx context.Context, mention *gtsmodel.Mention) (err error) {
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var errs gtserror.MultiError
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if mention.Status == nil {
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// Set the mention originating status.
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mention.Status, err = m.state.DB.GetStatusByID(
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gtscontext.SetBarebones(ctx),
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mention.StatusID,
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)
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if err != nil {
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return gtserror.Newf("error populating mention status: %w", err)
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}
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}
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if mention.OriginAccount == nil {
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// Set the mention origin account model.
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mention.OriginAccount, err = m.state.DB.GetAccountByID(
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gtscontext.SetBarebones(ctx),
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mention.OriginAccountID,
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)
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if err != nil {
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return gtserror.Newf("error populating mention origin account: %w", err)
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}
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}
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if mention.TargetAccount == nil {
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// Set the mention target account model.
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mention.TargetAccount, err = m.state.DB.GetAccountByID(
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gtscontext.SetBarebones(ctx),
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mention.TargetAccountID,
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)
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if err != nil {
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return gtserror.Newf("error populating mention target account: %w", 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 (m *mentionDB) PutMention(ctx context.Context, mention *gtsmodel.Mention) error {
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return m.state.Caches.DB.Mention.Store(mention, func() error {
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_, err := m.db.NewInsert().Model(mention).Exec(ctx)
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return err
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})
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}
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func (m *mentionDB) DeleteMentionByID(ctx context.Context, id string) error {
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// Delete mention with given ID,
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// returning the deleted models.
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if _, err := m.db.NewDelete().
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Table("mentions").
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Where("? = ?", bun.Ident("id"), 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 the cached mention with ID.
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m.state.Caches.DB.Mention.Invalidate("ID", id)
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return nil
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}
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