gtsocial-umbx

statusfave.go (8533B)

---

 // GoToSocial
 // Copyright (C) GoToSocial Authors admin@gotosocial.org
 // SPDX-License-Identifier: AGPL-3.0-or-later
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 //
 // This program is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU Affero General Public License for more details.
 //
 // You should have received a copy of the GNU Affero General Public License
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 package bundb
 
 import (
 	"context"
 	"errors"
 	"fmt"
 
 	"github.com/superseriousbusiness/gotosocial/internal/db"
 	"github.com/superseriousbusiness/gotosocial/internal/gtscontext"
 	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
 	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
 	"github.com/superseriousbusiness/gotosocial/internal/log"
 	"github.com/superseriousbusiness/gotosocial/internal/state"
 	"github.com/uptrace/bun"
 )
 
 type statusFaveDB struct {
 	conn  *DBConn
 	state *state.State
 }
 
 func (s *statusFaveDB) GetStatusFave(ctx context.Context, accountID string, statusID string) (*gtsmodel.StatusFave, db.Error) {
 	return s.getStatusFave(
 		ctx,
 		"AccountID.StatusID",
 		func(fave *gtsmodel.StatusFave) error {
 			return s.conn.
 				NewSelect().
 				Model(fave).
 				Where("? = ?", bun.Ident("account_id"), accountID).
 				Where("? = ?", bun.Ident("status_id"), statusID).
 				Scan(ctx)
 		},
 		accountID,
 		statusID,
 	)
 }
 
 func (s *statusFaveDB) GetStatusFaveByID(ctx context.Context, id string) (*gtsmodel.StatusFave, db.Error) {
 	return s.getStatusFave(
 		ctx,
 		"ID",
 		func(fave *gtsmodel.StatusFave) error {
 			return s.conn.
 				NewSelect().
 				Model(fave).
 				Where("? = ?", bun.Ident("id"), id).
 				Scan(ctx)
 		},
 		id,
 	)
 }
 
 func (s *statusFaveDB) getStatusFave(ctx context.Context, lookup string, dbQuery func(*gtsmodel.StatusFave) error, keyParts ...any) (*gtsmodel.StatusFave, error) {
 	// Fetch status fave from database cache with loader callback
 	fave, err := s.state.Caches.GTS.StatusFave().Load(lookup, func() (*gtsmodel.StatusFave, error) {
 		var fave gtsmodel.StatusFave
 
 		// Not cached! Perform database query.
 		if err := dbQuery(&fave); err != nil {
 			return nil, s.conn.ProcessError(err)
 		}
 
 		return &fave, nil
 	}, keyParts...)
 	if err != nil {
 		return nil, err
 	}
 
 	if gtscontext.Barebones(ctx) {
 		// no need to fully populate.
 		return fave, nil
 	}
 
 	// Fetch the status fave author account.
 	fave.Account, err = s.state.DB.GetAccountByID(
 		gtscontext.SetBarebones(ctx),
 		fave.AccountID,
 	)
 	if err != nil {
 		return nil, fmt.Errorf("error getting status fave account %q: %w", fave.AccountID, err)
 	}
 
 	// Fetch the status fave target account.
 	fave.TargetAccount, err = s.state.DB.GetAccountByID(
 		gtscontext.SetBarebones(ctx),
 		fave.TargetAccountID,
 	)
 	if err != nil {
 		return nil, fmt.Errorf("error getting status fave target account %q: %w", fave.TargetAccountID, err)
 	}
 
 	// Fetch the status fave target status.
 	fave.Status, err = s.state.DB.GetStatusByID(
 		gtscontext.SetBarebones(ctx),
 		fave.StatusID,
 	)
 	if err != nil {
 		return nil, fmt.Errorf("error getting status fave status %q: %w", fave.StatusID, err)
 	}
 
 	return fave, nil
 }
 
 func (s *statusFaveDB) GetStatusFavesForStatus(ctx context.Context, statusID string) ([]*gtsmodel.StatusFave, db.Error) {
 	ids := []string{}
 
 	if err := s.conn.
 		NewSelect().
 		Table("status_faves").
 		Column("id").
 		Where("? = ?", bun.Ident("status_id"), statusID).
 		Scan(ctx, &ids); err != nil {
 		return nil, s.conn.ProcessError(err)
 	}
 
 	faves := make([]*gtsmodel.StatusFave, 0, len(ids))
 
 	for _, id := range ids {
 		fave, err := s.GetStatusFaveByID(ctx, id)
 		if err != nil {
 			log.Errorf(ctx, "error getting status fave %q: %v", id, err)
 			continue
 		}
 
 		faves = append(faves, fave)
 	}
 
 	return faves, nil
 }
 
 func (s *statusFaveDB) PopulateStatusFave(ctx context.Context, statusFave *gtsmodel.StatusFave) error {
 	var (
 		err  error
 		errs = make(gtserror.MultiError, 0, 3)
 	)
 
 	if statusFave.Account == nil {
 		// StatusFave author is not set, fetch from database.
 		statusFave.Account, err = s.state.DB.GetAccountByID(
 			gtscontext.SetBarebones(ctx),
 			statusFave.AccountID,
 		)
 		if err != nil {
 			errs.Append(fmt.Errorf("error populating status fave author: %w", err))
 		}
 	}
 
 	if statusFave.TargetAccount == nil {
 		// StatusFave target account is not set, fetch from database.
 		statusFave.TargetAccount, err = s.state.DB.GetAccountByID(
 			gtscontext.SetBarebones(ctx),
 			statusFave.TargetAccountID,
 		)
 		if err != nil {
 			errs.Append(fmt.Errorf("error populating status fave target account: %w", err))
 		}
 	}
 
 	if statusFave.Status == nil {
 		// StatusFave status is not set, fetch from database.
 		statusFave.Status, err = s.state.DB.GetStatusByID(
 			gtscontext.SetBarebones(ctx),
 			statusFave.StatusID,
 		)
 		if err != nil {
 			errs.Append(fmt.Errorf("error populating status fave status: %w", err))
 		}
 	}
 
 	return errs.Combine()
 }
 
 func (s *statusFaveDB) PutStatusFave(ctx context.Context, fave *gtsmodel.StatusFave) db.Error {
 	return s.state.Caches.GTS.StatusFave().Store(fave, func() error {
 		_, err := s.conn.
 			NewInsert().
 			Model(fave).
 			Exec(ctx)
 		return s.conn.ProcessError(err)
 	})
 }
 
 func (s *statusFaveDB) DeleteStatusFaveByID(ctx context.Context, id string) db.Error {
 	defer s.state.Caches.GTS.StatusFave().Invalidate("ID", id)
 
 	// Load fave into cache before attempting a delete,
 	// as we need it cached in order to trigger the invalidate
 	// callback. This in turn invalidates others.
 	_, err := s.GetStatusFaveByID(gtscontext.SetBarebones(ctx), id)
 	if err != nil {
 		if errors.Is(err, db.ErrNoEntries) {
 			// not an issue.
 			err = nil
 		}
 		return err
 	}
 
 	// Finally delete fave from DB.
 	_, err = s.conn.NewDelete().
 		Table("status_faves").
 		Where("? = ?", bun.Ident("id"), id).
 		Exec(ctx)
 	return s.conn.ProcessError(err)
 }
 
 func (s *statusFaveDB) DeleteStatusFaves(ctx context.Context, targetAccountID string, originAccountID string) db.Error {
 	if targetAccountID == "" && originAccountID == "" {
 		return errors.New("DeleteStatusFaves: one of targetAccountID or originAccountID must be set")
 	}
 
 	var faveIDs []string
 
 	q := s.conn.
 		NewSelect().
 		Column("id").
 		Table("status_faves")
 
 	if targetAccountID != "" {
 		q = q.Where("? = ?", bun.Ident("target_account_id"), targetAccountID)
 	}
 
 	if originAccountID != "" {
 		q = q.Where("? = ?", bun.Ident("account_id"), originAccountID)
 	}
 
 	if _, err := q.Exec(ctx, &faveIDs); err != nil {
 		return s.conn.ProcessError(err)
 	}
 
 	defer func() {
 		// Invalidate all IDs on return.
 		for _, id := range faveIDs {
 			s.state.Caches.GTS.StatusFave().Invalidate("ID", id)
 		}
 	}()
 
 	// Load all faves into cache, this *really* isn't great
 	// but it is the only way we can ensure we invalidate all
 	// related caches correctly (e.g. visibility).
 	for _, id := range faveIDs {
 		_, err := s.GetStatusFaveByID(ctx, id)
 		if err != nil && !errors.Is(err, db.ErrNoEntries) {
 			return err
 		}
 	}
 
 	// Finally delete all from DB.
 	_, err := s.conn.NewDelete().
 		Table("status_faves").
 		Where("? IN (?)", bun.Ident("id"), bun.In(faveIDs)).
 		Exec(ctx)
 	return s.conn.ProcessError(err)
 }
 
 func (s *statusFaveDB) DeleteStatusFavesForStatus(ctx context.Context, statusID string) db.Error {
 	// Capture fave IDs in a RETURNING statement.
 	var faveIDs []string
 
 	q := s.conn.
 		NewSelect().
 		Column("id").
 		Table("status_faves").
 		Where("? = ?", bun.Ident("status_id"), statusID)
 	if _, err := q.Exec(ctx, &faveIDs); err != nil {
 		return s.conn.ProcessError(err)
 	}
 
 	defer func() {
 		// Invalidate all IDs on return.
 		for _, id := range faveIDs {
 			s.state.Caches.GTS.StatusFave().Invalidate("ID", id)
 		}
 	}()
 
 	// Load all faves into cache, this *really* isn't great
 	// but it is the only way we can ensure we invalidate all
 	// related caches correctly (e.g. visibility).
 	for _, id := range faveIDs {
 		_, err := s.GetStatusFaveByID(ctx, id)
 		if err != nil && !errors.Is(err, db.ErrNoEntries) {
 			return err
 		}
 	}
 
 	// Finally delete all from DB.
 	_, err := s.conn.NewDelete().
 		Table("status_faves").
 		Where("? IN (?)", bun.Ident("id"), bun.In(faveIDs)).
 		Exec(ctx)
 	return s.conn.ProcessError(err)
 }