forked from mirrors/gotosocial
de6e3e5f2a
* refactor visibility checking, add caching for visibility
* invalidate visibility cache items on account / status deletes
* fix requester ID passed to visibility cache nil ptr
* de-interface caches, fix home / public timeline caching + visibility
* finish adding code comments for visibility filter
* fix angry goconst linter warnings
* actually finish adding filter visibility code comments for timeline functions
* move home timeline status author check to after visibility
* remove now-unused code
* add more code comments
* add TODO code comment, update printed cache start names
* update printed cache names on stop
* start adding separate follow(request) delete db functions, add specific visibility cache tests
* add relationship type caching
* fix getting local account follows / followed-bys, other small codebase improvements
* simplify invalidation using cache hooks, add more GetAccountBy___() functions
* fix boosting to return 404 if not boostable but no error (to not leak status ID)
* remove dead code
* improved placement of cache invalidation
* update license headers
* add example follow, follow-request config entries
* add example visibility cache configuration to config file
* use specific PutFollowRequest() instead of just Put()
* add tests for all GetAccountBy()
* add GetBlockBy() tests
* update block to check primitive fields
* update and finish adding Get{Account,Block,Follow,FollowRequest}By() tests
* fix copy-pasted code
* update envparsing test
* whitespace
* fix bun struct tag
* add license header to gtscontext
* fix old license header
* improved error creation to not use fmt.Errorf() when not needed
* fix various rebase conflicts, fix account test
* remove commented-out code, fix-up mention caching
* fix mention select bun statement
* ensure mention target account populated, pass in context to customrenderer logging
* remove more uncommented code, fix typeutil test
* add statusfave database model caching
* add status fave cache configuration
* add status fave cache example config
* woops, catch missed error. nice catch linter!
* add back testrig panic on nil db
* update example configuration to match defaults, slight tweak to cache configuration defaults
* update envparsing test with new defaults
* fetch followingget to use the follow target account
* use accounnt.IsLocal() instead of empty domain check
* use constants for the cache visibility type check
* use bun.In() for notification type restriction in db query
* include replies when fetching PublicTimeline() (to account for single-author threads in Visibility{}.StatusPublicTimelineable())
* use bun query building for nested select statements to ensure working with postgres
* update public timeline future status checks to match visibility filter
* same as previous, for home timeline
* update public timeline tests to dynamically check for appropriate statuses
* migrate accounts to allow unique constraint on public_key
* provide minimal account with publicKey
---------
Signed-off-by: kim <grufwub@gmail.com>
Co-authored-by: tsmethurst <tobi.smethurst@protonmail.com>
81 lines
2.5 KiB
Go
81 lines
2.5 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 cache
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import (
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"context"
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"errors"
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"fmt"
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"time"
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"codeberg.org/gruf/go-cache/v3/result"
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errorsv2 "codeberg.org/gruf/go-errors/v2"
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"github.com/superseriousbusiness/gotosocial/internal/log"
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)
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// SentinelError is returned to indicate a non-permanent error return,
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// i.e. a situation in which we do not want a cache a negative result.
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var SentinelError = errors.New("BUG: error should not be returned") //nolint:revive
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// ignoreErrors is an error ignoring function capable of being passed to
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// caches, which specifically catches and ignores our sentinel error type.
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func ignoreErrors(err error) bool {
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return errorsv2.Is(
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SentinelError,
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context.DeadlineExceeded,
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context.Canceled,
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)
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}
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// nocopy when embedded will signal linter to
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// error on pass-by-value of parent struct.
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type nocopy struct{}
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func (*nocopy) Lock() {}
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func (*nocopy) Unlock() {}
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// tryStart will attempt to start the given cache only if sweep duration > 0 (sweeping is enabled).
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func tryStart[ValueType any](cache *result.Cache[ValueType], sweep time.Duration) {
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if sweep > 0 {
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var z ValueType
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msg := fmt.Sprintf("starting %T cache", z)
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tryUntil(msg, 5, func() bool {
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return cache.Start(sweep)
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})
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}
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}
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// tryStop will attempt to stop the given cache only if sweep duration > 0 (sweeping is enabled).
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func tryStop[ValueType any](cache *result.Cache[ValueType], sweep time.Duration) {
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if sweep > 0 {
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var z ValueType
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msg := fmt.Sprintf("stopping %T cache", z)
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tryUntil(msg, 5, cache.Stop)
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}
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}
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// tryUntil will attempt to call 'do' for 'count' attempts, before panicking with 'msg'.
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func tryUntil(msg string, count int, do func() bool) {
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for i := 0; i < count; i++ {
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if do() {
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return
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}
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}
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log.Panicf(nil, "failed %s after %d tries", msg, count)
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}
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