mirror of
https://codeberg.org/superseriousbusiness/gotosocial.git
synced 2024-12-25 10:28:18 +03:00
63fc9b6c3e
* renames the `GTS` caches to `DB` caches, as it better references what they are * change remaining Caches.GTS uses to Caches.DB
359 lines
9.5 KiB
Go
359 lines
9.5 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package bundb
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import (
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"context"
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"errors"
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"slices"
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"github.com/superseriousbusiness/gotosocial/internal/gtscontext"
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"github.com/superseriousbusiness/gotosocial/internal/gtserror"
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"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
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"github.com/superseriousbusiness/gotosocial/internal/id"
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"github.com/superseriousbusiness/gotosocial/internal/log"
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"github.com/superseriousbusiness/gotosocial/internal/state"
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"github.com/superseriousbusiness/gotosocial/internal/util"
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"github.com/uptrace/bun"
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)
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type notificationDB struct {
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db *bun.DB
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state *state.State
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}
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func (n *notificationDB) GetNotificationByID(ctx context.Context, id string) (*gtsmodel.Notification, error) {
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return n.getNotification(
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ctx,
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"ID",
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func(notif *gtsmodel.Notification) error {
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return n.db.NewSelect().
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Model(notif).
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Where("? = ?", bun.Ident("id"), id).
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Scan(ctx)
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},
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id,
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)
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}
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func (n *notificationDB) GetNotification(
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ctx context.Context,
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notificationType gtsmodel.NotificationType,
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targetAccountID string,
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originAccountID string,
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statusID string,
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) (*gtsmodel.Notification, error) {
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return n.getNotification(
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ctx,
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"NotificationType,TargetAccountID,OriginAccountID,StatusID",
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func(notif *gtsmodel.Notification) error {
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return n.db.NewSelect().
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Model(notif).
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Where("? = ?", bun.Ident("notification_type"), notificationType).
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Where("? = ?", bun.Ident("target_account_id"), targetAccountID).
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Where("? = ?", bun.Ident("origin_account_id"), originAccountID).
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Where("? = ?", bun.Ident("status_id"), statusID).
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Scan(ctx)
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},
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notificationType, targetAccountID, originAccountID, statusID,
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)
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}
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func (n *notificationDB) getNotification(ctx context.Context, lookup string, dbQuery func(*gtsmodel.Notification) error, keyParts ...any) (*gtsmodel.Notification, error) {
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// Fetch notification from cache with loader callback
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notif, err := n.state.Caches.DB.Notification.LoadOne(lookup, func() (*gtsmodel.Notification, error) {
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var notif gtsmodel.Notification
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// Not cached! Perform database query
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if err := dbQuery(¬if); err != nil {
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return nil, err
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}
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return ¬if, nil
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}, keyParts...)
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if err != nil {
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return nil, err
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}
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if gtscontext.Barebones(ctx) {
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// Only a barebones model was requested.
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return notif, nil
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}
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if err := n.state.DB.PopulateNotification(ctx, notif); err != nil {
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return nil, err
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}
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return notif, nil
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}
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func (n *notificationDB) GetNotificationsByIDs(ctx context.Context, ids []string) ([]*gtsmodel.Notification, error) {
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// Load all notif IDs via cache loader callbacks.
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notifs, err := n.state.Caches.DB.Notification.LoadIDs("ID",
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ids,
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func(uncached []string) ([]*gtsmodel.Notification, error) {
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// Skip query if everything was cached.
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if len(uncached) == 0 {
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return nil, nil
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}
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// Preallocate expected length of uncached notifications.
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notifs := make([]*gtsmodel.Notification, 0, len(uncached))
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// Perform database query scanning
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// the remaining (uncached) IDs.
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if err := n.db.NewSelect().
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Model(¬ifs).
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Where("? IN (?)", bun.Ident("id"), bun.In(uncached)).
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Scan(ctx); err != nil {
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return nil, err
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}
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return notifs, nil
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},
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)
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if err != nil {
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return nil, err
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}
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// Reorder the notifs by their
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// IDs to ensure in correct order.
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getID := func(n *gtsmodel.Notification) string { return n.ID }
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util.OrderBy(notifs, ids, getID)
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if gtscontext.Barebones(ctx) {
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// no need to fully populate.
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return notifs, nil
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}
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// Populate all loaded notifs, removing those we fail to
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// populate (removes needing so many nil checks everywhere).
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notifs = slices.DeleteFunc(notifs, func(notif *gtsmodel.Notification) bool {
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if err := n.PopulateNotification(ctx, notif); err != nil {
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log.Errorf(ctx, "error populating notif %s: %v", notif.ID, err)
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return true
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}
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return false
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})
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return notifs, nil
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}
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func (n *notificationDB) PopulateNotification(ctx context.Context, notif *gtsmodel.Notification) error {
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var (
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errs gtserror.MultiError
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err error
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)
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if notif.TargetAccount == nil {
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notif.TargetAccount, err = n.state.DB.GetAccountByID(
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gtscontext.SetBarebones(ctx),
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notif.TargetAccountID,
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)
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if err != nil {
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errs.Appendf("error populating notif target account: %w", err)
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}
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}
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if notif.OriginAccount == nil {
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notif.OriginAccount, err = n.state.DB.GetAccountByID(
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gtscontext.SetBarebones(ctx),
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notif.OriginAccountID,
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)
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if err != nil {
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errs.Appendf("error populating notif origin account: %w", err)
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}
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}
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if notif.StatusID != "" && notif.Status == nil {
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notif.Status, err = n.state.DB.GetStatusByID(
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gtscontext.SetBarebones(ctx),
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notif.StatusID,
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)
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if err != nil {
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errs.Appendf("error populating notif status: %w", err)
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}
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}
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return errs.Combine()
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}
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func (n *notificationDB) GetAccountNotifications(
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ctx context.Context,
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accountID string,
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maxID string,
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sinceID string,
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minID string,
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limit int,
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types []string,
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excludeTypes []string,
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) ([]*gtsmodel.Notification, error) {
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// Ensure reasonable
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if limit < 0 {
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limit = 0
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}
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// Make educated guess for slice size
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var (
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notifIDs = make([]string, 0, limit)
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frontToBack = true
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)
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q := n.db.
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NewSelect().
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TableExpr("? AS ?", bun.Ident("notifications"), bun.Ident("notification")).
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Column("notification.id")
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if maxID == "" {
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maxID = id.Highest
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}
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// Return only notifs LOWER (ie., older) than maxID.
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q = q.Where("? < ?", bun.Ident("notification.id"), maxID)
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if sinceID != "" {
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// Return only notifs HIGHER (ie., newer) than sinceID.
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q = q.Where("? > ?", bun.Ident("notification.id"), sinceID)
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}
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if minID != "" {
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// Return only notifs HIGHER (ie., newer) than minID.
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q = q.Where("? > ?", bun.Ident("notification.id"), minID)
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frontToBack = false // page up
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}
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if len(types) > 0 {
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// Include only requested notification types.
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q = q.Where("? IN (?)", bun.Ident("notification.notification_type"), bun.In(types))
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}
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if len(excludeTypes) > 0 {
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// Filter out unwanted notif types.
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q = q.Where("? NOT IN (?)", bun.Ident("notification.notification_type"), bun.In(excludeTypes))
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}
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// Return only notifs for this account.
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q = q.Where("? = ?", bun.Ident("notification.target_account_id"), accountID)
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if limit > 0 {
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q = q.Limit(limit)
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}
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if frontToBack {
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// Page down.
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q = q.Order("notification.id DESC")
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} else {
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// Page up.
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q = q.Order("notification.id ASC")
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}
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if err := q.Scan(ctx, ¬ifIDs); err != nil {
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return nil, err
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}
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if len(notifIDs) == 0 {
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return nil, nil
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}
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// If we're paging up, we still want notifications
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// to be sorted by ID desc, so reverse ids slice.
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// https://zchee.github.io/golang-wiki/SliceTricks/#reversing
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if !frontToBack {
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for l, r := 0, len(notifIDs)-1; l < r; l, r = l+1, r-1 {
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notifIDs[l], notifIDs[r] = notifIDs[r], notifIDs[l]
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}
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}
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// Fetch notification models by their IDs.
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return n.GetNotificationsByIDs(ctx, notifIDs)
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}
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func (n *notificationDB) PutNotification(ctx context.Context, notif *gtsmodel.Notification) error {
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return n.state.Caches.DB.Notification.Store(notif, func() error {
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_, err := n.db.NewInsert().Model(notif).Exec(ctx)
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return err
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})
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}
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func (n *notificationDB) DeleteNotificationByID(ctx context.Context, id string) error {
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// Delete notif from DB.
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if _, err := n.db.
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NewDelete().
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Table("notifications").
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Where("? = ?", bun.Ident("id"), id).
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Exec(ctx); err != nil {
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return err
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}
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// Invalidate deleted notification by ID.
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n.state.Caches.DB.Notification.Invalidate("ID", id)
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return nil
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}
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func (n *notificationDB) DeleteNotifications(ctx context.Context, types []string, targetAccountID string, originAccountID string) error {
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if targetAccountID == "" && originAccountID == "" {
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return errors.New("DeleteNotifications: one of targetAccountID or originAccountID must be set")
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}
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q := n.db.
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NewDelete().
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Table("notifications")
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if len(types) > 0 {
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q = q.Where("? IN (?)", bun.Ident("notification_type"), bun.In(types))
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}
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if targetAccountID != "" {
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q = q.Where("? = ?", bun.Ident("target_account_id"), targetAccountID)
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}
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if originAccountID != "" {
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q = q.Where("? = ?", bun.Ident("origin_account_id"), originAccountID)
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}
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var notifIDs []string
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q = q.Returning("?", bun.Ident("id"))
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// Delete from DB.
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if _, err := q.
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Exec(ctx, ¬ifIDs); err != nil {
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return err
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}
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// Invalidate all deleted notifications by IDs.
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n.state.Caches.DB.Notification.InvalidateIDs("ID", notifIDs)
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return nil
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}
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func (n *notificationDB) DeleteNotificationsForStatus(ctx context.Context, statusID string) error {
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var notifIDs []string
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if _, err := n.db.
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NewDelete().
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Table("notifications").
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Where("? = ?", bun.Ident("status_id"), statusID).
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Returning("?", bun.Ident("id")).
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Exec(ctx, ¬ifIDs); err != nil {
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return err
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}
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// Invalidate all deleted notifications by IDs.
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n.state.Caches.DB.Notification.InvalidateIDs("ID", notifIDs)
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return nil
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}
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