mirror of
https://github.com/superseriousbusiness/gotosocial
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d68c04a6c0
* fetch creation and fetching domain blocks from db Signed-off-by: kim <grufwub@gmail.com> * add separate domainblock cache type, handle removing block from cache on delete Signed-off-by: kim <grufwub@gmail.com> * fix sentinel nil values being passed into cache Signed-off-by: kim <grufwub@gmail.com> Signed-off-by: kim <grufwub@gmail.com>
107 lines
3.6 KiB
Go
107 lines
3.6 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
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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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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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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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*/
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package cache
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import (
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"time"
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"codeberg.org/gruf/go-cache/v2"
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"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
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)
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// DomainCache is a cache wrapper to provide URL and URI lookups for gtsmodel.Status
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type DomainBlockCache struct {
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cache cache.LookupCache[string, string, *gtsmodel.DomainBlock]
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}
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// NewStatusCache returns a new instantiated statusCache object
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func NewDomainBlockCache() *DomainBlockCache {
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c := &DomainBlockCache{}
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c.cache = cache.NewLookup(cache.LookupCfg[string, string, *gtsmodel.DomainBlock]{
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RegisterLookups: func(lm *cache.LookupMap[string, string]) {
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lm.RegisterLookup("id")
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},
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AddLookups: func(lm *cache.LookupMap[string, string], block *gtsmodel.DomainBlock) {
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// Block can be equal to nil when sentinel
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if block != nil && block.ID != "" {
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lm.Set("id", block.ID, block.Domain)
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}
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},
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DeleteLookups: func(lm *cache.LookupMap[string, string], block *gtsmodel.DomainBlock) {
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// Block can be equal to nil when sentinel
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if block != nil && block.ID != "" {
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lm.Delete("id", block.ID)
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}
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},
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})
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c.cache.SetTTL(time.Minute*5, false)
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c.cache.Start(time.Second * 10)
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return c
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}
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// GetByID attempts to fetch a status from the cache by its ID, you will receive a copy for thread-safety
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func (c *DomainBlockCache) GetByID(id string) (*gtsmodel.DomainBlock, bool) {
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return c.cache.GetBy("id", id)
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}
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// GetByURL attempts to fetch a status from the cache by its URL, you will receive a copy for thread-safety
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func (c *DomainBlockCache) GetByDomain(domain string) (*gtsmodel.DomainBlock, bool) {
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return c.cache.Get(domain)
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}
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// Put places a status in the cache, ensuring that the object place is a copy for thread-safety
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func (c *DomainBlockCache) Put(domain string, block *gtsmodel.DomainBlock) {
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if domain == "" {
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panic("invalid domain")
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}
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if block == nil {
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// This is a sentinel value for (no block)
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c.cache.Set(domain, nil)
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} else {
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// This is a valid domain block
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c.cache.Set(domain, copyDomainBlock(block))
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}
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}
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// InvalidateByDomain will invalidate a domain block from the cache by domain name.
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func (c *DomainBlockCache) InvalidateByDomain(domain string) {
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c.cache.Invalidate(domain)
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}
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// copyStatus performs a surface-level copy of status, only keeping attached IDs intact, not the objects.
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// due to all the data being copied being 99% primitive types or strings (which are immutable and passed by ptr)
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// this should be a relatively cheap process
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func copyDomainBlock(block *gtsmodel.DomainBlock) *gtsmodel.DomainBlock {
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return >smodel.DomainBlock{
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ID: block.ID,
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CreatedAt: block.CreatedAt,
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UpdatedAt: block.UpdatedAt,
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Domain: block.Domain,
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CreatedByAccountID: block.CreatedByAccountID,
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CreatedByAccount: nil,
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PrivateComment: block.PrivateComment,
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PublicComment: block.PublicComment,
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Obfuscate: block.Obfuscate,
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SubscriptionID: block.SubscriptionID,
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}
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}
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