319 lines
10 KiB
Go
319 lines
10 KiB
Go
/*
|
|
GoToSocial
|
|
Copyright (C) 2021-2023 GoToSocial Authors admin@gotosocial.org
|
|
|
|
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 processing
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
|
|
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
|
|
"github.com/superseriousbusiness/gotosocial/internal/db"
|
|
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
|
|
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
|
|
"github.com/superseriousbusiness/gotosocial/internal/log"
|
|
"github.com/superseriousbusiness/gotosocial/internal/oauth"
|
|
"github.com/superseriousbusiness/gotosocial/internal/timeline"
|
|
"github.com/superseriousbusiness/gotosocial/internal/typeutils"
|
|
"github.com/superseriousbusiness/gotosocial/internal/util"
|
|
"github.com/superseriousbusiness/gotosocial/internal/visibility"
|
|
)
|
|
|
|
const boostReinsertionDepth = 50
|
|
|
|
// StatusGrabFunction returns a function that satisfies the GrabFunction interface in internal/timeline.
|
|
func StatusGrabFunction(database db.DB) timeline.GrabFunction {
|
|
return func(ctx context.Context, timelineAccountID string, maxID string, sinceID string, minID string, limit int) ([]timeline.Timelineable, bool, error) {
|
|
statuses, err := database.GetHomeTimeline(ctx, timelineAccountID, maxID, sinceID, minID, limit, false)
|
|
if err != nil {
|
|
if err == db.ErrNoEntries {
|
|
return nil, true, nil // we just don't have enough statuses left in the db so return stop = true
|
|
}
|
|
return nil, false, fmt.Errorf("statusGrabFunction: error getting statuses from db: %s", err)
|
|
}
|
|
|
|
items := []timeline.Timelineable{}
|
|
for _, s := range statuses {
|
|
items = append(items, s)
|
|
}
|
|
|
|
return items, false, nil
|
|
}
|
|
}
|
|
|
|
// StatusFilterFunction returns a function that satisfies the FilterFunction interface in internal/timeline.
|
|
func StatusFilterFunction(database db.DB, filter visibility.Filter) timeline.FilterFunction {
|
|
return func(ctx context.Context, timelineAccountID string, item timeline.Timelineable) (shouldIndex bool, err error) {
|
|
status, ok := item.(*gtsmodel.Status)
|
|
if !ok {
|
|
return false, errors.New("statusFilterFunction: could not convert item to *gtsmodel.Status")
|
|
}
|
|
|
|
requestingAccount, err := database.GetAccountByID(ctx, timelineAccountID)
|
|
if err != nil {
|
|
return false, fmt.Errorf("statusFilterFunction: error getting account with id %s", timelineAccountID)
|
|
}
|
|
|
|
timelineable, err := filter.StatusHometimelineable(ctx, status, requestingAccount)
|
|
if err != nil {
|
|
log.Warnf(ctx, "error checking hometimelineability of status %s for account %s: %s", status.ID, timelineAccountID, err)
|
|
}
|
|
|
|
return timelineable, nil // we don't return the error here because we want to just skip this item if something goes wrong
|
|
}
|
|
}
|
|
|
|
// StatusPrepareFunction returns a function that satisfies the PrepareFunction interface in internal/timeline.
|
|
func StatusPrepareFunction(database db.DB, tc typeutils.TypeConverter) timeline.PrepareFunction {
|
|
return func(ctx context.Context, timelineAccountID string, itemID string) (timeline.Preparable, error) {
|
|
status, err := database.GetStatusByID(ctx, itemID)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("statusPrepareFunction: error getting status with id %s", itemID)
|
|
}
|
|
|
|
requestingAccount, err := database.GetAccountByID(ctx, timelineAccountID)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("statusPrepareFunction: error getting account with id %s", timelineAccountID)
|
|
}
|
|
|
|
return tc.StatusToAPIStatus(ctx, status, requestingAccount)
|
|
}
|
|
}
|
|
|
|
// StatusSkipInsertFunction returns a function that satisifes the SkipInsertFunction interface in internal/timeline.
|
|
func StatusSkipInsertFunction() timeline.SkipInsertFunction {
|
|
return func(
|
|
ctx context.Context,
|
|
newItemID string,
|
|
newItemAccountID string,
|
|
newItemBoostOfID string,
|
|
newItemBoostOfAccountID string,
|
|
nextItemID string,
|
|
nextItemAccountID string,
|
|
nextItemBoostOfID string,
|
|
nextItemBoostOfAccountID string,
|
|
depth int,
|
|
) (bool, error) {
|
|
// make sure we don't insert a duplicate
|
|
if newItemID == nextItemID {
|
|
return true, nil
|
|
}
|
|
|
|
// check if it's a boost
|
|
if newItemBoostOfID != "" {
|
|
// skip if we've recently put another boost of this status in the timeline
|
|
if newItemBoostOfID == nextItemBoostOfID {
|
|
if depth < boostReinsertionDepth {
|
|
return true, nil
|
|
}
|
|
}
|
|
|
|
// skip if we've recently put the original status in the timeline
|
|
if newItemBoostOfID == nextItemID {
|
|
if depth < boostReinsertionDepth {
|
|
return true, nil
|
|
}
|
|
}
|
|
}
|
|
|
|
// insert the item
|
|
return false, nil
|
|
}
|
|
}
|
|
|
|
func (p *Processor) HomeTimelineGet(ctx context.Context, authed *oauth.Auth, maxID string, sinceID string, minID string, limit int, local bool) (*apimodel.PageableResponse, gtserror.WithCode) {
|
|
preparedItems, err := p.statusTimelines.GetTimeline(ctx, authed.Account.ID, maxID, sinceID, minID, limit, local)
|
|
if err != nil {
|
|
return nil, gtserror.NewErrorInternalError(err)
|
|
}
|
|
|
|
count := len(preparedItems)
|
|
|
|
if count == 0 {
|
|
return util.EmptyPageableResponse(), nil
|
|
}
|
|
|
|
items := []interface{}{}
|
|
nextMaxIDValue := ""
|
|
prevMinIDValue := ""
|
|
for i, item := range preparedItems {
|
|
if i == count-1 {
|
|
nextMaxIDValue = item.GetID()
|
|
}
|
|
|
|
if i == 0 {
|
|
prevMinIDValue = item.GetID()
|
|
}
|
|
items = append(items, item)
|
|
}
|
|
|
|
return util.PackagePageableResponse(util.PageableResponseParams{
|
|
Items: items,
|
|
Path: "api/v1/timelines/home",
|
|
NextMaxIDValue: nextMaxIDValue,
|
|
PrevMinIDValue: prevMinIDValue,
|
|
Limit: limit,
|
|
})
|
|
}
|
|
|
|
func (p *Processor) PublicTimelineGet(ctx context.Context, authed *oauth.Auth, maxID string, sinceID string, minID string, limit int, local bool) (*apimodel.PageableResponse, gtserror.WithCode) {
|
|
statuses, err := p.state.DB.GetPublicTimeline(ctx, maxID, sinceID, minID, limit, local)
|
|
if err != nil {
|
|
if err == db.ErrNoEntries {
|
|
// there are just no entries left
|
|
return util.EmptyPageableResponse(), nil
|
|
}
|
|
// there's an actual error
|
|
return nil, gtserror.NewErrorInternalError(err)
|
|
}
|
|
|
|
filtered, err := p.filterPublicStatuses(ctx, authed, statuses)
|
|
if err != nil {
|
|
return nil, gtserror.NewErrorInternalError(err)
|
|
}
|
|
|
|
count := len(filtered)
|
|
|
|
if count == 0 {
|
|
return util.EmptyPageableResponse(), nil
|
|
}
|
|
|
|
items := []interface{}{}
|
|
nextMaxIDValue := ""
|
|
prevMinIDValue := ""
|
|
for i, item := range filtered {
|
|
if i == count-1 {
|
|
nextMaxIDValue = item.GetID()
|
|
}
|
|
|
|
if i == 0 {
|
|
prevMinIDValue = item.GetID()
|
|
}
|
|
items = append(items, item)
|
|
}
|
|
|
|
return util.PackagePageableResponse(util.PageableResponseParams{
|
|
Items: items,
|
|
Path: "api/v1/timelines/public",
|
|
NextMaxIDValue: nextMaxIDValue,
|
|
PrevMinIDValue: prevMinIDValue,
|
|
Limit: limit,
|
|
})
|
|
}
|
|
|
|
func (p *Processor) FavedTimelineGet(ctx context.Context, authed *oauth.Auth, maxID string, minID string, limit int) (*apimodel.PageableResponse, gtserror.WithCode) {
|
|
statuses, nextMaxID, prevMinID, err := p.state.DB.GetFavedTimeline(ctx, authed.Account.ID, maxID, minID, limit)
|
|
if err != nil {
|
|
if err == db.ErrNoEntries {
|
|
// there are just no entries left
|
|
return util.EmptyPageableResponse(), nil
|
|
}
|
|
// there's an actual error
|
|
return nil, gtserror.NewErrorInternalError(err)
|
|
}
|
|
|
|
filtered, err := p.filterFavedStatuses(ctx, authed, statuses)
|
|
if err != nil {
|
|
return nil, gtserror.NewErrorInternalError(err)
|
|
}
|
|
|
|
if len(filtered) == 0 {
|
|
return util.EmptyPageableResponse(), nil
|
|
}
|
|
|
|
items := []interface{}{}
|
|
for _, item := range filtered {
|
|
items = append(items, item)
|
|
}
|
|
|
|
return util.PackagePageableResponse(util.PageableResponseParams{
|
|
Items: items,
|
|
Path: "api/v1/favourites",
|
|
NextMaxIDValue: nextMaxID,
|
|
PrevMinIDValue: prevMinID,
|
|
Limit: limit,
|
|
})
|
|
}
|
|
|
|
func (p *Processor) filterPublicStatuses(ctx context.Context, authed *oauth.Auth, statuses []*gtsmodel.Status) ([]*apimodel.Status, error) {
|
|
apiStatuses := []*apimodel.Status{}
|
|
for _, s := range statuses {
|
|
targetAccount := >smodel.Account{}
|
|
if err := p.state.DB.GetByID(ctx, s.AccountID, targetAccount); err != nil {
|
|
if err == db.ErrNoEntries {
|
|
log.Debugf(ctx, "skipping status %s because account %s can't be found in the db", s.ID, s.AccountID)
|
|
continue
|
|
}
|
|
return nil, gtserror.NewErrorInternalError(fmt.Errorf("filterPublicStatuses: error getting status author: %s", err))
|
|
}
|
|
|
|
timelineable, err := p.filter.StatusPublictimelineable(ctx, s, authed.Account)
|
|
if err != nil {
|
|
log.Debugf(ctx, "skipping status %s because of an error checking status visibility: %s", s.ID, err)
|
|
continue
|
|
}
|
|
if !timelineable {
|
|
continue
|
|
}
|
|
|
|
apiStatus, err := p.tc.StatusToAPIStatus(ctx, s, authed.Account)
|
|
if err != nil {
|
|
log.Debugf(ctx, "skipping status %s because it couldn't be converted to its api representation: %s", s.ID, err)
|
|
continue
|
|
}
|
|
|
|
apiStatuses = append(apiStatuses, apiStatus)
|
|
}
|
|
|
|
return apiStatuses, nil
|
|
}
|
|
|
|
func (p *Processor) filterFavedStatuses(ctx context.Context, authed *oauth.Auth, statuses []*gtsmodel.Status) ([]*apimodel.Status, error) {
|
|
apiStatuses := []*apimodel.Status{}
|
|
for _, s := range statuses {
|
|
targetAccount := >smodel.Account{}
|
|
if err := p.state.DB.GetByID(ctx, s.AccountID, targetAccount); err != nil {
|
|
if err == db.ErrNoEntries {
|
|
log.Debugf(ctx, "skipping status %s because account %s can't be found in the db", s.ID, s.AccountID)
|
|
continue
|
|
}
|
|
return nil, gtserror.NewErrorInternalError(fmt.Errorf("filterPublicStatuses: error getting status author: %s", err))
|
|
}
|
|
|
|
timelineable, err := p.filter.StatusVisible(ctx, s, authed.Account)
|
|
if err != nil {
|
|
log.Debugf(ctx, "skipping status %s because of an error checking status visibility: %s", s.ID, err)
|
|
continue
|
|
}
|
|
if !timelineable {
|
|
continue
|
|
}
|
|
|
|
apiStatus, err := p.tc.StatusToAPIStatus(ctx, s, authed.Account)
|
|
if err != nil {
|
|
log.Debugf(ctx, "skipping status %s because it couldn't be converted to its api representation: %s", s.ID, err)
|
|
continue
|
|
}
|
|
|
|
apiStatuses = append(apiStatuses, apiStatus)
|
|
}
|
|
|
|
return apiStatuses, nil
|
|
}
|