411 lines
10 KiB
Go
411 lines
10 KiB
Go
// 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"
|
|
"fmt"
|
|
"time"
|
|
|
|
"github.com/superseriousbusiness/gotosocial/internal/db"
|
|
"github.com/superseriousbusiness/gotosocial/internal/gtscontext"
|
|
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
|
|
"github.com/superseriousbusiness/gotosocial/internal/id"
|
|
"github.com/superseriousbusiness/gotosocial/internal/log"
|
|
"github.com/superseriousbusiness/gotosocial/internal/state"
|
|
"github.com/uptrace/bun"
|
|
"golang.org/x/exp/slices"
|
|
)
|
|
|
|
type timelineDB struct {
|
|
conn *DBConn
|
|
state *state.State
|
|
}
|
|
|
|
func (t *timelineDB) GetHomeTimeline(ctx context.Context, accountID string, maxID string, sinceID string, minID string, limit int, local bool) ([]*gtsmodel.Status, db.Error) {
|
|
// Ensure reasonable
|
|
if limit < 0 {
|
|
limit = 0
|
|
}
|
|
|
|
// Make educated guess for slice size
|
|
var (
|
|
statusIDs = make([]string, 0, limit)
|
|
frontToBack = true
|
|
)
|
|
|
|
q := t.conn.
|
|
NewSelect().
|
|
TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
|
|
// Select only IDs from table
|
|
Column("status.id")
|
|
|
|
if maxID == "" || maxID >= id.Highest {
|
|
const future = 24 * time.Hour
|
|
|
|
var err error
|
|
|
|
// don't return statuses more than 24hr in the future
|
|
maxID, err = id.NewULIDFromTime(time.Now().Add(future))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
// return only statuses LOWER (ie., older) than maxID
|
|
q = q.Where("? < ?", bun.Ident("status.id"), maxID)
|
|
|
|
if sinceID != "" {
|
|
// return only statuses HIGHER (ie., newer) than sinceID
|
|
q = q.Where("? > ?", bun.Ident("status.id"), sinceID)
|
|
}
|
|
|
|
if minID != "" {
|
|
// return only statuses HIGHER (ie., newer) than minID
|
|
q = q.Where("? > ?", bun.Ident("status.id"), minID)
|
|
|
|
// page up
|
|
frontToBack = false
|
|
}
|
|
|
|
if local {
|
|
// return only statuses posted by local account havers
|
|
q = q.Where("? = ?", bun.Ident("status.local"), local)
|
|
}
|
|
|
|
if limit > 0 {
|
|
// limit amount of statuses returned
|
|
q = q.Limit(limit)
|
|
}
|
|
|
|
if frontToBack {
|
|
// Page down.
|
|
q = q.Order("status.id DESC")
|
|
} else {
|
|
// Page up.
|
|
q = q.Order("status.id ASC")
|
|
}
|
|
|
|
// Subquery to select target (followed) account
|
|
// IDs from follows owned by given accountID.
|
|
subQ := t.conn.
|
|
NewSelect().
|
|
TableExpr("? AS ?", bun.Ident("follows"), bun.Ident("follow")).
|
|
Column("follow.target_account_id").
|
|
Where("? = ?", bun.Ident("follow.account_id"), accountID)
|
|
|
|
// Use the subquery in a WhereGroup here to specify that we want EITHER
|
|
// - statuses posted by accountID itself OR
|
|
// - statuses posted by accounts that accountID follows
|
|
q = q.WhereGroup(" AND ", func(q *bun.SelectQuery) *bun.SelectQuery {
|
|
return q.
|
|
Where("? = ?", bun.Ident("status.account_id"), accountID).
|
|
WhereOr("? IN (?)", bun.Ident("status.account_id"), subQ)
|
|
})
|
|
|
|
if err := q.Scan(ctx, &statusIDs); err != nil {
|
|
return nil, t.conn.ProcessError(err)
|
|
}
|
|
|
|
if len(statusIDs) == 0 {
|
|
return nil, nil
|
|
}
|
|
|
|
// If we're paging up, we still want statuses
|
|
// to be sorted by ID desc, so reverse ids slice.
|
|
// https://zchee.github.io/golang-wiki/SliceTricks/#reversing
|
|
if !frontToBack {
|
|
for l, r := 0, len(statusIDs)-1; l < r; l, r = l+1, r-1 {
|
|
statusIDs[l], statusIDs[r] = statusIDs[r], statusIDs[l]
|
|
}
|
|
}
|
|
|
|
statuses := make([]*gtsmodel.Status, 0, len(statusIDs))
|
|
for _, id := range statusIDs {
|
|
// Fetch status from db for ID
|
|
status, err := t.state.DB.GetStatusByID(ctx, id)
|
|
if err != nil {
|
|
log.Errorf(ctx, "error fetching status %q: %v", id, err)
|
|
continue
|
|
}
|
|
|
|
// Append status to slice
|
|
statuses = append(statuses, status)
|
|
}
|
|
|
|
return statuses, nil
|
|
}
|
|
|
|
func (t *timelineDB) GetPublicTimeline(ctx context.Context, maxID string, sinceID string, minID string, limit int, local bool) ([]*gtsmodel.Status, db.Error) {
|
|
// Ensure reasonable
|
|
if limit < 0 {
|
|
limit = 0
|
|
}
|
|
|
|
// Make educated guess for slice size
|
|
statusIDs := make([]string, 0, limit)
|
|
|
|
q := t.conn.
|
|
NewSelect().
|
|
TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
|
|
Column("status.id").
|
|
Where("? = ?", bun.Ident("status.visibility"), gtsmodel.VisibilityPublic).
|
|
WhereGroup(" AND ", whereEmptyOrNull("status.boost_of_id")).
|
|
Order("status.id DESC")
|
|
|
|
if maxID == "" {
|
|
const future = 24 * time.Hour
|
|
|
|
var err error
|
|
|
|
// don't return statuses more than 24hr in the future
|
|
maxID, err = id.NewULIDFromTime(time.Now().Add(future))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
// return only statuses LOWER (ie., older) than maxID
|
|
q = q.Where("? < ?", bun.Ident("status.id"), maxID)
|
|
|
|
if sinceID != "" {
|
|
q = q.Where("? > ?", bun.Ident("status.id"), sinceID)
|
|
}
|
|
|
|
if minID != "" {
|
|
q = q.Where("? > ?", bun.Ident("status.id"), minID)
|
|
}
|
|
|
|
if local {
|
|
q = q.Where("? = ?", bun.Ident("status.local"), local)
|
|
}
|
|
|
|
if limit > 0 {
|
|
q = q.Limit(limit)
|
|
}
|
|
|
|
if err := q.Scan(ctx, &statusIDs); err != nil {
|
|
return nil, t.conn.ProcessError(err)
|
|
}
|
|
|
|
statuses := make([]*gtsmodel.Status, 0, len(statusIDs))
|
|
|
|
for _, id := range statusIDs {
|
|
// Fetch status from db for ID
|
|
status, err := t.state.DB.GetStatusByID(ctx, id)
|
|
if err != nil {
|
|
log.Errorf(ctx, "error fetching status %q: %v", id, err)
|
|
continue
|
|
}
|
|
|
|
// Append status to slice
|
|
statuses = append(statuses, status)
|
|
}
|
|
|
|
return statuses, nil
|
|
}
|
|
|
|
// TODO optimize this query and the logic here, because it's slow as balls -- it takes like a literal second to return with a limit of 20!
|
|
// It might be worth serving it through a timeline instead of raw DB queries, like we do for Home feeds.
|
|
func (t *timelineDB) GetFavedTimeline(ctx context.Context, accountID string, maxID string, minID string, limit int) ([]*gtsmodel.Status, string, string, db.Error) {
|
|
// Ensure reasonable
|
|
if limit < 0 {
|
|
limit = 0
|
|
}
|
|
|
|
// Make educated guess for slice size
|
|
faves := make([]*gtsmodel.StatusFave, 0, limit)
|
|
|
|
fq := t.conn.
|
|
NewSelect().
|
|
Model(&faves).
|
|
Where("? = ?", bun.Ident("status_fave.account_id"), accountID).
|
|
Order("status_fave.id DESC")
|
|
|
|
if maxID != "" {
|
|
fq = fq.Where("? < ?", bun.Ident("status_fave.id"), maxID)
|
|
}
|
|
|
|
if minID != "" {
|
|
fq = fq.Where("? > ?", bun.Ident("status_fave.id"), minID)
|
|
}
|
|
|
|
if limit > 0 {
|
|
fq = fq.Limit(limit)
|
|
}
|
|
|
|
err := fq.Scan(ctx)
|
|
if err != nil {
|
|
return nil, "", "", t.conn.ProcessError(err)
|
|
}
|
|
|
|
if len(faves) == 0 {
|
|
return nil, "", "", db.ErrNoEntries
|
|
}
|
|
|
|
// Sort by favourite ID rather than status ID
|
|
slices.SortFunc(faves, func(a, b *gtsmodel.StatusFave) bool {
|
|
return a.ID > b.ID
|
|
})
|
|
|
|
statuses := make([]*gtsmodel.Status, 0, len(faves))
|
|
|
|
for _, fave := range faves {
|
|
// Fetch status from db for corresponding favourite
|
|
status, err := t.state.DB.GetStatusByID(ctx, fave.StatusID)
|
|
if err != nil {
|
|
log.Errorf(ctx, "error fetching status for fave %q: %v", fave.ID, err)
|
|
continue
|
|
}
|
|
|
|
// Append status to slice
|
|
statuses = append(statuses, status)
|
|
}
|
|
|
|
nextMaxID := faves[len(faves)-1].ID
|
|
prevMinID := faves[0].ID
|
|
return statuses, nextMaxID, prevMinID, nil
|
|
}
|
|
|
|
func (t *timelineDB) GetListTimeline(
|
|
ctx context.Context,
|
|
listID string,
|
|
maxID string,
|
|
sinceID string,
|
|
minID string,
|
|
limit int,
|
|
) ([]*gtsmodel.Status, error) {
|
|
// Ensure reasonable
|
|
if limit < 0 {
|
|
limit = 0
|
|
}
|
|
|
|
// Make educated guess for slice size
|
|
var (
|
|
statusIDs = make([]string, 0, limit)
|
|
frontToBack = true
|
|
)
|
|
|
|
// Fetch all listEntries entries from the database.
|
|
listEntries, err := t.state.DB.GetListEntries(
|
|
// Don't need actual follows
|
|
// for this, just the IDs.
|
|
gtscontext.SetBarebones(ctx),
|
|
listID,
|
|
"", "", "", 0,
|
|
)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("error getting entries for list %s: %w", listID, err)
|
|
}
|
|
|
|
// Extract just the IDs of each follow.
|
|
followIDs := make([]string, 0, len(listEntries))
|
|
for _, listEntry := range listEntries {
|
|
followIDs = append(followIDs, listEntry.FollowID)
|
|
}
|
|
|
|
// Select target account IDs from follows.
|
|
subQ := t.conn.
|
|
NewSelect().
|
|
TableExpr("? AS ?", bun.Ident("follows"), bun.Ident("follow")).
|
|
Column("follow.target_account_id").
|
|
Where("? IN (?)", bun.Ident("follow.id"), bun.In(followIDs))
|
|
|
|
// Select only status IDs created
|
|
// by one of the followed accounts.
|
|
q := t.conn.
|
|
NewSelect().
|
|
TableExpr("? AS ?", bun.Ident("statuses"), bun.Ident("status")).
|
|
// Select only IDs from table
|
|
Column("status.id").
|
|
Where("? IN (?)", bun.Ident("status.account_id"), subQ)
|
|
|
|
if maxID == "" || maxID >= id.Highest {
|
|
const future = 24 * time.Hour
|
|
|
|
var err error
|
|
|
|
// don't return statuses more than 24hr in the future
|
|
maxID, err = id.NewULIDFromTime(time.Now().Add(future))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
// return only statuses LOWER (ie., older) than maxID
|
|
q = q.Where("? < ?", bun.Ident("status.id"), maxID)
|
|
|
|
if sinceID != "" {
|
|
// return only statuses HIGHER (ie., newer) than sinceID
|
|
q = q.Where("? > ?", bun.Ident("status.id"), sinceID)
|
|
}
|
|
|
|
if minID != "" {
|
|
// return only statuses HIGHER (ie., newer) than minID
|
|
q = q.Where("? > ?", bun.Ident("status.id"), minID)
|
|
|
|
// page up
|
|
frontToBack = false
|
|
}
|
|
|
|
if limit > 0 {
|
|
// limit amount of statuses returned
|
|
q = q.Limit(limit)
|
|
}
|
|
|
|
if frontToBack {
|
|
// Page down.
|
|
q = q.Order("status.id DESC")
|
|
} else {
|
|
// Page up.
|
|
q = q.Order("status.id ASC")
|
|
}
|
|
|
|
if err := q.Scan(ctx, &statusIDs); err != nil {
|
|
return nil, t.conn.ProcessError(err)
|
|
}
|
|
|
|
if len(statusIDs) == 0 {
|
|
return nil, nil
|
|
}
|
|
|
|
// If we're paging up, we still want statuses
|
|
// to be sorted by ID desc, so reverse ids slice.
|
|
// https://zchee.github.io/golang-wiki/SliceTricks/#reversing
|
|
if !frontToBack {
|
|
for l, r := 0, len(statusIDs)-1; l < r; l, r = l+1, r-1 {
|
|
statusIDs[l], statusIDs[r] = statusIDs[r], statusIDs[l]
|
|
}
|
|
}
|
|
|
|
statuses := make([]*gtsmodel.Status, 0, len(statusIDs))
|
|
for _, id := range statusIDs {
|
|
// Fetch status from db for ID
|
|
status, err := t.state.DB.GetStatusByID(ctx, id)
|
|
if err != nil {
|
|
log.Errorf(ctx, "error fetching status %q: %v", id, err)
|
|
continue
|
|
}
|
|
|
|
// Append status to slice
|
|
statuses = append(statuses, status)
|
|
}
|
|
|
|
return statuses, nil
|
|
}
|