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path: root/internal/processing/filters/v2/keywordupdate.go
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// 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 v2

import (
	"context"
	"errors"
	"fmt"

	apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
	"github.com/superseriousbusiness/gotosocial/internal/db"
	"github.com/superseriousbusiness/gotosocial/internal/gtscontext"
	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)

// KeywordUpdate updates an existing filter keyword for the given account, using the provided parameters.
// These params should have already been validated by the time they reach this function.
func (p *Processor) KeywordUpdate(
	ctx context.Context,
	account *gtsmodel.Account,
	filterKeywordID string,
	form *apimodel.FilterKeywordCreateUpdateRequest,
) (*apimodel.FilterKeyword, gtserror.WithCode) {
	// Get the filter keyword by ID.
	filterKeyword, err := p.state.DB.GetFilterKeywordByID(gtscontext.SetBarebones(ctx), filterKeywordID)
	if err != nil {
		if errors.Is(err, db.ErrNoEntries) {
			return nil, gtserror.NewErrorNotFound(err)
		}
		return nil, gtserror.NewErrorInternalError(err)
	}
	if filterKeyword.AccountID != account.ID {
		return nil, gtserror.NewErrorNotFound(
			fmt.Errorf("filter keyword %s doesn't belong to account %s", filterKeyword.ID, account.ID),
		)
	}

	filterKeyword.Keyword = form.Keyword
	filterKeyword.WholeWord = form.WholeWord

	if err := p.state.DB.UpdateFilterKeyword(ctx, filterKeyword, "keyword", "whole_word"); err != nil {
		if errors.Is(err, db.ErrAlreadyExists) {
			err = errors.New("duplicate keyword")
			return nil, gtserror.NewErrorConflict(err, err.Error())
		}
		return nil, gtserror.NewErrorInternalError(err)
	}

	// Send a filters changed event.
	p.stream.FiltersChanged(ctx, account)

	return p.converter.FilterKeywordToAPIFilterKeyword(ctx, filterKeyword), nil
}