mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-10-31 22:18:52 +00:00
adf345f1ec
* update go-structr library -> v0.6.0, add necessary wrapping types + code changes to support these changes
* update readme with go-structr package changes
* improved wrapping of the SliceCache type
* add code comments for the cache wrapper types
* remove test.out 😇
---------
Co-authored-by: tobi <31960611+tsmethurst@users.noreply.github.com>
403 lines
12 KiB
Go
403 lines
12 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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"time"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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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/log"
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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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func (r *relationshipDB) GetFollowRequestByID(ctx context.Context, id string) (*gtsmodel.FollowRequest, error) {
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return r.getFollowRequest(
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ctx,
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"ID",
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func(followReq *gtsmodel.FollowRequest) error {
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return r.db.NewSelect().
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Model(followReq).
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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 (r *relationshipDB) GetFollowRequestByURI(ctx context.Context, uri string) (*gtsmodel.FollowRequest, error) {
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return r.getFollowRequest(
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ctx,
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"URI",
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func(followReq *gtsmodel.FollowRequest) error {
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return r.db.NewSelect().
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Model(followReq).
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Where("? = ?", bun.Ident("uri"), uri).
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Scan(ctx)
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},
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uri,
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)
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}
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func (r *relationshipDB) GetFollowRequest(ctx context.Context, sourceAccountID string, targetAccountID string) (*gtsmodel.FollowRequest, error) {
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return r.getFollowRequest(
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ctx,
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"AccountID,TargetAccountID",
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func(followReq *gtsmodel.FollowRequest) error {
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return r.db.NewSelect().
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Model(followReq).
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Where("? = ?", bun.Ident("account_id"), sourceAccountID).
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Where("? = ?", bun.Ident("target_account_id"), targetAccountID).
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Scan(ctx)
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},
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sourceAccountID,
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targetAccountID,
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)
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}
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func (r *relationshipDB) GetFollowRequestsByIDs(ctx context.Context, ids []string) ([]*gtsmodel.FollowRequest, error) {
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// Load all follow IDs via cache loader callbacks.
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follows, err := r.state.Caches.GTS.FollowRequest.LoadIDs("ID",
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ids,
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func(uncached []string) ([]*gtsmodel.FollowRequest, error) {
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// Preallocate expected length of uncached followReqs.
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follows := make([]*gtsmodel.FollowRequest, 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 := r.db.NewSelect().
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Model(&follows).
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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 follows, 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 requests by their
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// IDs to ensure in correct order.
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getID := func(f *gtsmodel.FollowRequest) string { return f.ID }
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util.OrderBy(follows, ids, getID)
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if gtscontext.Barebones(ctx) {
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// no need to fully populate.
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return follows, nil
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}
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// Populate all loaded followreqs, removing those we fail to
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// populate (removes needing so many nil checks everywhere).
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follows = slices.DeleteFunc(follows, func(follow *gtsmodel.FollowRequest) bool {
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if err := r.PopulateFollowRequest(ctx, follow); err != nil {
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log.Errorf(ctx, "error populating follow request %s: %v", follow.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 follows, nil
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}
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func (r *relationshipDB) IsFollowRequested(ctx context.Context, sourceAccountID string, targetAccountID string) (bool, error) {
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followReq, err := r.GetFollowRequest(
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gtscontext.SetBarebones(ctx),
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sourceAccountID,
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targetAccountID,
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)
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if err != nil && !errors.Is(err, db.ErrNoEntries) {
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return false, err
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}
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return (followReq != nil), nil
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}
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func (r *relationshipDB) getFollowRequest(ctx context.Context, lookup string, dbQuery func(*gtsmodel.FollowRequest) error, keyParts ...any) (*gtsmodel.FollowRequest, error) {
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// Fetch follow request from database cache with loader callback
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followReq, err := r.state.Caches.GTS.FollowRequest.LoadOne(lookup, func() (*gtsmodel.FollowRequest, error) {
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var followReq gtsmodel.FollowRequest
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// Not cached! Perform database query
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if err := dbQuery(&followReq); err != nil {
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return nil, err
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}
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return &followReq, nil
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}, keyParts...)
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if err != nil {
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// error already processed
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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 followReq, nil
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}
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if err := r.state.DB.PopulateFollowRequest(ctx, followReq); err != nil {
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return nil, err
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}
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return followReq, nil
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}
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func (r *relationshipDB) PopulateFollowRequest(ctx context.Context, follow *gtsmodel.FollowRequest) error {
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var (
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err error
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errs = gtserror.NewMultiError(2)
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)
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if follow.Account == nil {
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// Follow account is not set, fetch from the database.
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follow.Account, err = r.state.DB.GetAccountByID(
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gtscontext.SetBarebones(ctx),
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follow.AccountID,
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)
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if err != nil {
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errs.Appendf("error populating follow request account: %w", err)
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}
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}
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if follow.TargetAccount == nil {
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// Follow target account is not set, fetch from the database.
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follow.TargetAccount, err = r.state.DB.GetAccountByID(
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gtscontext.SetBarebones(ctx),
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follow.TargetAccountID,
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)
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if err != nil {
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errs.Appendf("error populating follow target request account: %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 (r *relationshipDB) PutFollowRequest(ctx context.Context, follow *gtsmodel.FollowRequest) error {
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return r.state.Caches.GTS.FollowRequest.Store(follow, func() error {
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_, err := r.db.NewInsert().Model(follow).Exec(ctx)
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return err
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})
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}
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func (r *relationshipDB) UpdateFollowRequest(ctx context.Context, followRequest *gtsmodel.FollowRequest, columns ...string) error {
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followRequest.UpdatedAt = time.Now()
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if len(columns) > 0 {
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// If we're updating by column, ensure "updated_at" is included.
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columns = append(columns, "updated_at")
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}
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return r.state.Caches.GTS.FollowRequest.Store(followRequest, func() error {
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if _, err := r.db.NewUpdate().
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Model(followRequest).
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Where("? = ?", bun.Ident("follow_request.id"), followRequest.ID).
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Column(columns...).
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Exec(ctx); err != nil {
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return err
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}
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return nil
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})
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}
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func (r *relationshipDB) AcceptFollowRequest(ctx context.Context, sourceAccountID string, targetAccountID string) (*gtsmodel.Follow, error) {
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// Get original follow request.
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followReq, err := r.GetFollowRequest(ctx, sourceAccountID, targetAccountID)
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if err != nil {
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return nil, err
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}
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// Create a new follow to 'replace'
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// the original follow request with.
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follow := >smodel.Follow{
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ID: followReq.ID,
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AccountID: sourceAccountID,
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Account: followReq.Account,
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TargetAccountID: targetAccountID,
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TargetAccount: followReq.TargetAccount,
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URI: followReq.URI,
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ShowReblogs: followReq.ShowReblogs,
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Notify: followReq.Notify,
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}
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if err := r.state.Caches.GTS.Follow.Store(follow, func() error {
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// If the follow already exists, just
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// replace the URI with the new one.
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_, err := r.db.
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NewInsert().
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Model(follow).
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On("CONFLICT (?,?) DO UPDATE set ? = ?", bun.Ident("account_id"), bun.Ident("target_account_id"), bun.Ident("uri"), follow.URI).
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Exec(ctx)
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return err
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}); err != nil {
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return nil, err
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}
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// Delete original follow request.
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if _, err := r.db.
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NewDelete().
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Table("follow_requests").
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Where("? = ?", bun.Ident("id"), followReq.ID).
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Exec(ctx); err != nil {
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return nil, err
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}
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// Delete original follow request notification
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if err := r.state.DB.DeleteNotifications(ctx, []string{
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string(gtsmodel.NotificationFollowRequest),
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}, targetAccountID, sourceAccountID); err != nil {
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return nil, err
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}
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return follow, nil
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}
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func (r *relationshipDB) RejectFollowRequest(ctx context.Context, sourceAccountID string, targetAccountID string) error {
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// Delete follow request first.
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if err := r.DeleteFollowRequest(ctx, sourceAccountID, targetAccountID); err != nil {
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return err
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}
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// Delete follow request notification
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return r.state.DB.DeleteNotifications(ctx, []string{
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string(gtsmodel.NotificationFollowRequest),
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}, targetAccountID, sourceAccountID)
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}
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func (r *relationshipDB) DeleteFollowRequest(ctx context.Context, sourceAccountID string, targetAccountID string) error {
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// Load followreq into cache before attempting a delete,
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// as we need it cached in order to trigger the invalidate
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// callback. This in turn invalidates others.
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follow, err := r.GetFollowRequest(
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gtscontext.SetBarebones(ctx),
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sourceAccountID,
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targetAccountID,
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)
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if err != nil {
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if errors.Is(err, db.ErrNoEntries) {
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// Already gone.
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return nil
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}
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return err
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}
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// Drop this now-cached follow request on return after delete.
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defer r.state.Caches.GTS.FollowRequest.Invalidate("AccountID,TargetAccountID", sourceAccountID, targetAccountID)
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// Finally delete followreq from DB.
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_, err = r.db.NewDelete().
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Table("follow_requests").
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Where("? = ?", bun.Ident("id"), follow.ID).
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Exec(ctx)
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return err
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}
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func (r *relationshipDB) DeleteFollowRequestByID(ctx context.Context, id string) error {
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// Load followreq into cache before attempting a delete,
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// as we need it cached in order to trigger the invalidate
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// callback. This in turn invalidates others.
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_, err := r.GetFollowRequestByID(gtscontext.SetBarebones(ctx), id)
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if err != nil {
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if errors.Is(err, db.ErrNoEntries) {
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// not an issue.
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err = nil
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}
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return err
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}
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// Drop this now-cached follow request on return after delete.
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defer r.state.Caches.GTS.FollowRequest.Invalidate("ID", id)
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// Finally delete followreq from DB.
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_, err = r.db.NewDelete().
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Table("follow_requests").
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Where("? = ?", bun.Ident("id"), id).
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Exec(ctx)
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return err
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}
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func (r *relationshipDB) DeleteFollowRequestByURI(ctx context.Context, uri string) error {
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// Load followreq into cache before attempting a delete,
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// as we need it cached in order to trigger the invalidate
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// callback. This in turn invalidates others.
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_, err := r.GetFollowRequestByURI(gtscontext.SetBarebones(ctx), uri)
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if err != nil {
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if errors.Is(err, db.ErrNoEntries) {
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// not an issue.
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err = nil
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}
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return err
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}
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// Drop this now-cached follow request on return after delete.
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defer r.state.Caches.GTS.FollowRequest.Invalidate("URI", uri)
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// Finally delete followreq from DB.
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_, err = r.db.NewDelete().
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Table("follow_requests").
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Where("? = ?", bun.Ident("uri"), uri).
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Exec(ctx)
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return err
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}
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func (r *relationshipDB) DeleteAccountFollowRequests(ctx context.Context, accountID string) error {
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var followReqIDs []string
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// Get full list of IDs.
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if _, err := r.db.
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NewSelect().
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Column("id").
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Table("follow_requests").
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WhereOr("? = ? OR ? = ?",
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bun.Ident("account_id"),
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accountID,
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bun.Ident("target_account_id"),
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accountID,
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).
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Exec(ctx, &followReqIDs); err != nil {
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return err
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}
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defer func() {
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// Invalidate all account's incoming / outoing follow requests on return.
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r.state.Caches.GTS.FollowRequest.Invalidate("AccountID", accountID)
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r.state.Caches.GTS.FollowRequest.Invalidate("TargetAccountID", accountID)
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}()
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// Load all followreqs into cache, this *really* isn't
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// great but it is the only way we can ensure we invalidate
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// all related caches correctly (e.g. visibility).
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_, err := r.GetAccountFollowRequests(ctx, accountID, nil)
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if err != nil && !errors.Is(err, db.ErrNoEntries) {
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return err
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}
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// Finally delete all from DB.
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_, err = r.db.NewDelete().
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Table("follow_requests").
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Where("? IN (?)", bun.Ident("id"), bun.In(followReqIDs)).
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Exec(ctx)
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return err
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}
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