gotosocial/internal/cache/invalidate.go

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// 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 cache
import (
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)
// Below are cache invalidation hooks between other caches,
// as an invalidation indicates a database INSERT / UPDATE / DELETE.
// NOTE THEY ARE ONLY CALLED WHEN THE ITEM IS IN THE CACHE, SO FOR
// HOOKS TO BE CALLED ON DELETE YOU MUST FIRST POPULATE IT IN THE CACHE.
func (c *Caches) OnInvalidateAccount(account *gtsmodel.Account) {
// Invalidate status counts for this account.
c.GTS.AccountCounts.Invalidate(account.ID)
// Invalidate account ID cached visibility.
c.Visibility.Invalidate("ItemID", account.ID)
c.Visibility.Invalidate("RequesterID", account.ID)
// Invalidate this account's
// following / follower lists.
// (see FollowIDs() comment for details).
c.GTS.FollowIDs.InvalidateAll(
">"+account.ID,
"l>"+account.ID,
"<"+account.ID,
"l<"+account.ID,
)
// Invalidate this account's
// follow requesting / request lists.
// (see FollowRequestIDs() comment for details).
c.GTS.FollowRequestIDs.InvalidateAll(
">"+account.ID,
"<"+account.ID,
)
// Invalidate this account's block lists.
c.GTS.BlockIDs.Invalidate(account.ID)
}
func (c *Caches) OnInvalidateBlock(block *gtsmodel.Block) {
// Invalidate block origin account ID cached visibility.
c.Visibility.Invalidate("ItemID", block.AccountID)
c.Visibility.Invalidate("RequesterID", block.AccountID)
// Invalidate block target account ID cached visibility.
c.Visibility.Invalidate("ItemID", block.TargetAccountID)
c.Visibility.Invalidate("RequesterID", block.TargetAccountID)
// Invalidate source account's block lists.
c.GTS.BlockIDs.Invalidate(block.AccountID)
}
func (c *Caches) OnInvalidateEmojiCategory(category *gtsmodel.EmojiCategory) {
// Invalidate any emoji in this category.
c.GTS.Emoji.Invalidate("CategoryID", category.ID)
}
func (c *Caches) OnInvalidateFollow(follow *gtsmodel.Follow) {
// Invalidate follow request with this same ID.
c.GTS.FollowRequest.Invalidate("ID", follow.ID)
// Invalidate any related list entries.
c.GTS.ListEntry.Invalidate("FollowID", follow.ID)
// Invalidate follow origin account ID cached visibility.
c.Visibility.Invalidate("ItemID", follow.AccountID)
c.Visibility.Invalidate("RequesterID", follow.AccountID)
// Invalidate follow target account ID cached visibility.
c.Visibility.Invalidate("ItemID", follow.TargetAccountID)
c.Visibility.Invalidate("RequesterID", follow.TargetAccountID)
// Invalidate source account's following
// lists, and destination's follwer lists.
// (see FollowIDs() comment for details).
c.GTS.FollowIDs.InvalidateAll(
">"+follow.AccountID,
"l>"+follow.AccountID,
"<"+follow.AccountID,
"l<"+follow.AccountID,
"<"+follow.TargetAccountID,
"l<"+follow.TargetAccountID,
">"+follow.TargetAccountID,
"l>"+follow.TargetAccountID,
)
}
func (c *Caches) OnInvalidateFollowRequest(followReq *gtsmodel.FollowRequest) {
// Invalidate follow with this same ID.
c.GTS.Follow.Invalidate("ID", followReq.ID)
// Invalidate source account's followreq
// lists, and destinations follow req lists.
// (see FollowRequestIDs() comment for details).
c.GTS.FollowRequestIDs.InvalidateAll(
">"+followReq.AccountID,
"<"+followReq.AccountID,
">"+followReq.TargetAccountID,
"<"+followReq.TargetAccountID,
)
}
func (c *Caches) OnInvalidateList(list *gtsmodel.List) {
// Invalidate all cached entries of this list.
c.GTS.ListEntry.Invalidate("ListID", list.ID)
}
func (c *Caches) OnInvalidateMedia(media *gtsmodel.MediaAttachment) {
if (media.Avatar != nil && *media.Avatar) ||
(media.Header != nil && *media.Header) {
// Invalidate cache of attaching account.
c.GTS.Account.Invalidate("ID", media.AccountID)
}
if media.StatusID != "" {
// Invalidate cache of attaching status.
c.GTS.Status.Invalidate("ID", media.StatusID)
}
}
func (c *Caches) OnInvalidatePoll(poll *gtsmodel.Poll) {
// Invalidate all cached votes of this poll.
c.GTS.PollVote.Invalidate("PollID", poll.ID)
// Invalidate cache of poll vote IDs.
c.GTS.PollVoteIDs.Invalidate(poll.ID)
}
func (c *Caches) OnInvalidatePollVote(vote *gtsmodel.PollVote) {
// Invalidate cached poll (contains no. votes).
c.GTS.Poll.Invalidate("ID", vote.PollID)
// Invalidate cache of poll vote IDs.
c.GTS.PollVoteIDs.Invalidate(vote.PollID)
}
func (c *Caches) OnInvalidateStatus(status *gtsmodel.Status) {
// Invalidate status counts for this account.
c.GTS.AccountCounts.Invalidate(status.AccountID)
// Invalidate status ID cached visibility.
c.Visibility.Invalidate("ItemID", status.ID)
for _, id := range status.AttachmentIDs {
// Invalidate each media by the IDs we're aware of.
// This must be done as the status table is aware of
// the media IDs in use before the media table is
// aware of the status ID they are linked to.
//
// c.GTS.Media().Invalidate("StatusID") will not work.
c.GTS.Media.Invalidate("ID", id)
}
if status.BoostOfID != "" {
// Invalidate boost ID list of the original status.
c.GTS.BoostOfIDs.Invalidate(status.BoostOfID)
}
if status.InReplyToID != "" {
// Invalidate in reply to ID list of original status.
c.GTS.InReplyToIDs.Invalidate(status.InReplyToID)
}
if status.PollID != "" {
// Invalidate cache of attached poll ID.
c.GTS.Poll.Invalidate("ID", status.PollID)
}
}
func (c *Caches) OnInvalidateStatusFave(fave *gtsmodel.StatusFave) {
// Invalidate status fave ID list for this status.
c.GTS.StatusFaveIDs.Invalidate(fave.StatusID)
}
func (c *Caches) OnInvalidateUser(user *gtsmodel.User) {
// Invalidate local account ID cached visibility.
c.Visibility.Invalidate("ItemID", user.AccountID)
c.Visibility.Invalidate("RequesterID", user.AccountID)
}