gtsocial-umbx

relationship_block.go (6604B)

---

 // 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/gtsmodel"
 	"github.com/uptrace/bun"
 )
 
 func (r *relationshipDB) IsBlocked(ctx context.Context, sourceAccountID string, targetAccountID string) (bool, db.Error) {
 	block, err := r.GetBlock(
 		gtscontext.SetBarebones(ctx),
 		sourceAccountID,
 		targetAccountID,
 	)
 	if err != nil && !errors.Is(err, db.ErrNoEntries) {
 		return false, err
 	}
 	return (block != nil), nil
 }
 
 func (r *relationshipDB) IsEitherBlocked(ctx context.Context, accountID1 string, accountID2 string) (bool, error) {
 	// Look for a block in direction of account1->account2
 	b1, err := r.IsBlocked(ctx, accountID1, accountID2)
 	if err != nil || b1 {
 		return true, err
 	}
 
 	// Look for a block in direction of account2->account1
 	b2, err := r.IsBlocked(ctx, accountID2, accountID1)
 	if err != nil || b2 {
 		return true, err
 	}
 
 	return false, nil
 }
 
 func (r *relationshipDB) GetBlockByID(ctx context.Context, id string) (*gtsmodel.Block, error) {
 	return r.getBlock(
 		ctx,
 		"ID",
 		func(block *gtsmodel.Block) error {
 			return r.conn.NewSelect().Model(block).
 				Where("? = ?", bun.Ident("block.id"), id).
 				Scan(ctx)
 		},
 		id,
 	)
 }
 
 func (r *relationshipDB) GetBlockByURI(ctx context.Context, uri string) (*gtsmodel.Block, error) {
 	return r.getBlock(
 		ctx,
 		"URI",
 		func(block *gtsmodel.Block) error {
 			return r.conn.NewSelect().Model(block).
 				Where("? = ?", bun.Ident("block.uri"), uri).
 				Scan(ctx)
 		},
 		uri,
 	)
 }
 
 func (r *relationshipDB) GetBlock(ctx context.Context, sourceAccountID string, targetAccountID string) (*gtsmodel.Block, error) {
 	return r.getBlock(
 		ctx,
 		"AccountID.TargetAccountID",
 		func(block *gtsmodel.Block) error {
 			return r.conn.NewSelect().Model(block).
 				Where("? = ?", bun.Ident("block.account_id"), sourceAccountID).
 				Where("? = ?", bun.Ident("block.target_account_id"), targetAccountID).
 				Scan(ctx)
 		},
 		sourceAccountID,
 		targetAccountID,
 	)
 }
 
 func (r *relationshipDB) getBlock(ctx context.Context, lookup string, dbQuery func(*gtsmodel.Block) error, keyParts ...any) (*gtsmodel.Block, error) {
 	// Fetch block from cache with loader callback
 	block, err := r.state.Caches.GTS.Block().Load(lookup, func() (*gtsmodel.Block, error) {
 		var block gtsmodel.Block
 
 		// Not cached! Perform database query
 		if err := dbQuery(&block); err != nil {
 			return nil, r.conn.ProcessError(err)
 		}
 
 		return &block, nil
 	}, keyParts...)
 	if err != nil {
 		// already processe
 		return nil, err
 	}
 
 	if gtscontext.Barebones(ctx) {
 		// Only a barebones model was requested.
 		return block, nil
 	}
 
 	// Set the block source account
 	block.Account, err = r.state.DB.GetAccountByID(
 		gtscontext.SetBarebones(ctx),
 		block.AccountID,
 	)
 	if err != nil {
 		return nil, fmt.Errorf("error getting block source account: %w", err)
 	}
 
 	// Set the block target account
 	block.TargetAccount, err = r.state.DB.GetAccountByID(
 		gtscontext.SetBarebones(ctx),
 		block.TargetAccountID,
 	)
 	if err != nil {
 		return nil, fmt.Errorf("error getting block target account: %w", err)
 	}
 
 	return block, nil
 }
 
 func (r *relationshipDB) PutBlock(ctx context.Context, block *gtsmodel.Block) error {
 	return r.state.Caches.GTS.Block().Store(block, func() error {
 		_, err := r.conn.NewInsert().Model(block).Exec(ctx)
 		return r.conn.ProcessError(err)
 	})
 }
 
 func (r *relationshipDB) DeleteBlockByID(ctx context.Context, id string) error {
 	defer r.state.Caches.GTS.Block().Invalidate("ID", id)
 
 	// Load block into cache before attempting a delete,
 	// as we need it cached in order to trigger the invalidate
 	// callback. This in turn invalidates others.
 	_, err := r.GetBlockByID(gtscontext.SetBarebones(ctx), id)
 	if err != nil {
 		if errors.Is(err, db.ErrNoEntries) {
 			// not an issue.
 			err = nil
 		}
 		return err
 	}
 
 	// Finally delete block from DB.
 	_, err = r.conn.NewDelete().
 		Table("blocks").
 		Where("? = ?", bun.Ident("id"), id).
 		Exec(ctx)
 	return r.conn.ProcessError(err)
 }
 
 func (r *relationshipDB) DeleteBlockByURI(ctx context.Context, uri string) error {
 	defer r.state.Caches.GTS.Block().Invalidate("URI", uri)
 
 	// Load block into cache before attempting a delete,
 	// as we need it cached in order to trigger the invalidate
 	// callback. This in turn invalidates others.
 	_, err := r.GetBlockByURI(gtscontext.SetBarebones(ctx), uri)
 	if err != nil {
 		if errors.Is(err, db.ErrNoEntries) {
 			// not an issue.
 			err = nil
 		}
 		return err
 	}
 
 	// Finally delete block from DB.
 	_, err = r.conn.NewDelete().
 		Table("blocks").
 		Where("? = ?", bun.Ident("uri"), uri).
 		Exec(ctx)
 	return r.conn.ProcessError(err)
 }
 
 func (r *relationshipDB) DeleteAccountBlocks(ctx context.Context, accountID string) error {
 	var blockIDs []string
 
 	// Get full list of IDs.
 	if err := r.conn.NewSelect().
 		Column("id").
 		Table("blocks").
 		WhereOr("? = ? OR ? = ?",
 			bun.Ident("account_id"),
 			accountID,
 			bun.Ident("target_account_id"),
 			accountID,
 		).
 		Scan(ctx, &blockIDs); err != nil {
 		return r.conn.ProcessError(err)
 	}
 
 	defer func() {
 		// Invalidate all IDs on return.
 		for _, id := range blockIDs {
 			r.state.Caches.GTS.Block().Invalidate("ID", id)
 		}
 	}()
 
 	// Load all blocks 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 blockIDs {
 		_, err := r.GetBlockByID(ctx, id)
 		if err != nil && !errors.Is(err, db.ErrNoEntries) {
 			return err
 		}
 	}
 
 	// Finally delete all from DB.
 	_, err := r.conn.NewDelete().
 		Table("blocks").
 		Where("? IN (?)", bun.Ident("id"), bun.In(blockIDs)).
 		Exec(ctx)
 	return r.conn.ProcessError(err)
 }