gotosocial/internal/db/bundb/notification.go

251 lines
7 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"
"errors"
"github.com/superseriousbusiness/gotosocial/internal/db"
"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"
)
type notificationDB struct {
conn *DBConn
state *state.State
}
func (n *notificationDB) GetNotificationByID(ctx context.Context, id string) (*gtsmodel.Notification, db.Error) {
return n.state.Caches.GTS.Notification().Load("ID", func() (*gtsmodel.Notification, error) {
var notif gtsmodel.Notification
q := n.conn.NewSelect().
Model(&notif).
Where("? = ?", bun.Ident("notification.id"), id)
if err := q.Scan(ctx); err != nil {
return nil, n.conn.ProcessError(err)
}
return &notif, nil
}, id)
}
func (n *notificationDB) GetNotification(
ctx context.Context,
notificationType gtsmodel.NotificationType,
targetAccountID string,
originAccountID string,
statusID string,
) (*gtsmodel.Notification, db.Error) {
return n.state.Caches.GTS.Notification().Load("NotificationType.TargetAccountID.OriginAccountID.StatusID", func() (*gtsmodel.Notification, error) {
var notif gtsmodel.Notification
q := n.conn.NewSelect().
Model(&notif).
Where("? = ?", bun.Ident("notification_type"), notificationType).
Where("? = ?", bun.Ident("target_account_id"), targetAccountID).
Where("? = ?", bun.Ident("origin_account_id"), originAccountID).
Where("? = ?", bun.Ident("status_id"), statusID)
if err := q.Scan(ctx); err != nil {
return nil, n.conn.ProcessError(err)
}
return &notif, nil
}, notificationType, targetAccountID, originAccountID, statusID)
}
func (n *notificationDB) GetAccountNotifications(
ctx context.Context,
accountID string,
maxID string,
sinceID string,
minID string,
limit int,
excludeTypes []string,
) ([]*gtsmodel.Notification, db.Error) {
// Ensure reasonable
if limit < 0 {
limit = 0
}
// Make educated guess for slice size
var (
notifIDs = make([]string, 0, limit)
frontToBack = true
)
q := n.conn.
NewSelect().
TableExpr("? AS ?", bun.Ident("notifications"), bun.Ident("notification")).
Column("notification.id")
if maxID == "" {
maxID = id.Highest
}
// Return only notifs LOWER (ie., older) than maxID.
q = q.Where("? < ?", bun.Ident("notification.id"), maxID)
if sinceID != "" {
// Return only notifs HIGHER (ie., newer) than sinceID.
q = q.Where("? > ?", bun.Ident("notification.id"), sinceID)
}
if minID != "" {
// Return only notifs HIGHER (ie., newer) than minID.
q = q.Where("? > ?", bun.Ident("notification.id"), minID)
frontToBack = false // page up
}
for _, excludeType := range excludeTypes {
// Filter out unwanted notif types.
q = q.Where("? != ?", bun.Ident("notification.notification_type"), excludeType)
}
// Return only notifs for this account.
q = q.Where("? = ?", bun.Ident("notification.target_account_id"), accountID)
if limit > 0 {
q = q.Limit(limit)
}
if frontToBack {
// Page down.
q = q.Order("notification.id DESC")
} else {
// Page up.
q = q.Order("notification.id ASC")
}
if err := q.Scan(ctx, &notifIDs); err != nil {
return nil, n.conn.ProcessError(err)
}
if len(notifIDs) == 0 {
return nil, nil
}
// If we're paging up, we still want notifications
// 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(notifIDs)-1; l < r; l, r = l+1, r-1 {
notifIDs[l], notifIDs[r] = notifIDs[r], notifIDs[l]
}
}
notifs := make([]*gtsmodel.Notification, 0, len(notifIDs))
for _, id := range notifIDs {
// Attempt fetch from DB
notif, err := n.GetNotificationByID(ctx, id)
if err != nil {
log.Errorf(ctx, "error fetching notification %q: %v", id, err)
continue
}
// Append notification
notifs = append(notifs, notif)
}
return notifs, nil
}
func (n *notificationDB) PutNotification(ctx context.Context, notif *gtsmodel.Notification) error {
return n.state.Caches.GTS.Notification().Store(notif, func() error {
_, err := n.conn.NewInsert().Model(notif).Exec(ctx)
return n.conn.ProcessError(err)
})
}
func (n *notificationDB) DeleteNotificationByID(ctx context.Context, id string) db.Error {
if _, err := n.conn.
NewDelete().
TableExpr("? AS ?", bun.Ident("notifications"), bun.Ident("notification")).
Where("? = ?", bun.Ident("notification.id"), id).
Exec(ctx); err != nil {
return n.conn.ProcessError(err)
}
n.state.Caches.GTS.Notification().Invalidate("ID", id)
return nil
}
func (n *notificationDB) DeleteNotifications(ctx context.Context, types []string, targetAccountID string, originAccountID string) db.Error {
if targetAccountID == "" && originAccountID == "" {
return errors.New("DeleteNotifications: one of targetAccountID or originAccountID must be set")
}
// Capture notification IDs in a RETURNING statement.
var ids []string
q := n.conn.
NewDelete().
TableExpr("? AS ?", bun.Ident("notifications"), bun.Ident("notification")).
Returning("?", bun.Ident("id"))
if len(types) > 0 {
q = q.Where("? IN (?)", bun.Ident("notification.notification_type"), bun.In(types))
}
if targetAccountID != "" {
q = q.Where("? = ?", bun.Ident("notification.target_account_id"), targetAccountID)
}
if originAccountID != "" {
q = q.Where("? = ?", bun.Ident("notification.origin_account_id"), originAccountID)
}
if _, err := q.Exec(ctx, &ids); err != nil {
return n.conn.ProcessError(err)
}
// Invalidate each returned ID.
for _, id := range ids {
n.state.Caches.GTS.Notification().Invalidate("ID", id)
}
return nil
}
func (n *notificationDB) DeleteNotificationsForStatus(ctx context.Context, statusID string) db.Error {
// Capture notification IDs in a RETURNING statement.
var ids []string
q := n.conn.
NewDelete().
TableExpr("? AS ?", bun.Ident("notifications"), bun.Ident("notification")).
Where("? = ?", bun.Ident("notification.status_id"), statusID).
Returning("?", bun.Ident("id"))
if _, err := q.Exec(ctx, &ids); err != nil {
return n.conn.ProcessError(err)
}
// Invalidate each returned ID.
for _, id := range ids {
n.state.Caches.GTS.Notification().Invalidate("ID", id)
}
return nil
}