// 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 timeline import ( "context" "errors" apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model" "github.com/superseriousbusiness/gotosocial/internal/db" statusfilter "github.com/superseriousbusiness/gotosocial/internal/filter/status" "github.com/superseriousbusiness/gotosocial/internal/filter/usermute" "github.com/superseriousbusiness/gotosocial/internal/filter/visibility" "github.com/superseriousbusiness/gotosocial/internal/gtscontext" "github.com/superseriousbusiness/gotosocial/internal/gtserror" "github.com/superseriousbusiness/gotosocial/internal/gtsmodel" "github.com/superseriousbusiness/gotosocial/internal/oauth" "github.com/superseriousbusiness/gotosocial/internal/state" "github.com/superseriousbusiness/gotosocial/internal/timeline" "github.com/superseriousbusiness/gotosocial/internal/typeutils" "github.com/superseriousbusiness/gotosocial/internal/util" ) // HomeTimelineGrab returns a function that satisfies GrabFunction for home timelines. func HomeTimelineGrab(state *state.State) timeline.GrabFunction { return func(ctx context.Context, accountID string, maxID string, sinceID string, minID string, limit int) ([]timeline.Timelineable, bool, error) { statuses, err := state.DB.GetHomeTimeline(ctx, accountID, maxID, sinceID, minID, limit, false) if err != nil && !errors.Is(err, db.ErrNoEntries) { err = gtserror.Newf("error getting statuses from db: %w", err) return nil, false, err } count := len(statuses) if count == 0 { // We just don't have enough statuses // left in the db so return stop = true. return nil, true, nil } items := make([]timeline.Timelineable, count) for i, s := range statuses { items[i] = s } return items, false, nil } } // HomeTimelineFilter returns a function that satisfies FilterFunction for home timelines. func HomeTimelineFilter(state *state.State, visFilter *visibility.Filter) timeline.FilterFunction { return func(ctx context.Context, accountID string, item timeline.Timelineable) (shouldIndex bool, err error) { status, ok := item.(*gtsmodel.Status) if !ok { err = gtserror.New("could not convert item to *gtsmodel.Status") return false, err } requestingAccount, err := state.DB.GetAccountByID(ctx, accountID) if err != nil { err = gtserror.Newf("error getting account with id %s: %w", accountID, err) return false, err } timelineable, err := visFilter.StatusHomeTimelineable(ctx, requestingAccount, status) if err != nil { err = gtserror.Newf("error checking hometimelineability of status %s for account %s: %w", status.ID, accountID, err) return false, err } return timelineable, nil } } // HomeTimelineStatusPrepare returns a function that satisfies PrepareFunction for home timelines. func HomeTimelineStatusPrepare(state *state.State, converter *typeutils.Converter) timeline.PrepareFunction { return func(ctx context.Context, accountID string, itemID string) (timeline.Preparable, error) { status, err := state.DB.GetStatusByID(ctx, itemID) if err != nil { err = gtserror.Newf("error getting status with id %s: %w", itemID, err) return nil, err } requestingAccount, err := state.DB.GetAccountByID(ctx, accountID) if err != nil { err = gtserror.Newf("error getting account with id %s: %w", accountID, err) return nil, err } filters, err := state.DB.GetFiltersForAccountID(ctx, requestingAccount.ID) if err != nil { err = gtserror.Newf("couldn't retrieve filters for account %s: %w", requestingAccount.ID, err) return nil, err } mutes, err := state.DB.GetAccountMutes(gtscontext.SetBarebones(ctx), requestingAccount.ID, nil) if err != nil { err = gtserror.Newf("couldn't retrieve mutes for account %s: %w", requestingAccount.ID, err) return nil, err } compiledMutes := usermute.NewCompiledUserMuteList(mutes) return converter.StatusToAPIStatus(ctx, status, requestingAccount, statusfilter.FilterContextHome, filters, compiledMutes) } } func (p *Processor) HomeTimelineGet(ctx context.Context, authed *oauth.Auth, maxID string, sinceID string, minID string, limit int, local bool) (*apimodel.PageableResponse, gtserror.WithCode) { statuses, err := p.state.Timelines.Home.GetTimeline(ctx, authed.Account.ID, maxID, sinceID, minID, limit, local) if err != nil && !errors.Is(err, db.ErrNoEntries) { err = gtserror.Newf("error getting statuses: %w", err) return nil, gtserror.NewErrorInternalError(err) } count := len(statuses) if count == 0 { return util.EmptyPageableResponse(), nil } var ( items = make([]interface{}, count) nextMaxIDValue = statuses[count-1].GetID() prevMinIDValue = statuses[0].GetID() ) for i := range statuses { items[i] = statuses[i] } return util.PackagePageableResponse(util.PageableResponseParams{ Items: items, Path: "/api/v1/timelines/home", NextMaxIDValue: nextMaxIDValue, PrevMinIDValue: prevMinIDValue, Limit: limit, }) }