[chore] update database caching library (#1040)

* convert most of the caches to use result.Cache{}

* add caching of emojis

* fix issues causing failing tests

* update go-cache/v2 instances with v3

* fix getnotification

* add a note about the left-in StatusCreate comment

* update EmojiCategory db access to use new result.Cache{}

* fix possible panic in getstatusparents

* further proof that kim is not stinky

1 files changed, 0 insertions, 106 deletions

diff --git a/internal/cache/domain.go b/internal/cache/domain.go
deleted file mode 100644
index 7b5a93d39..000000000
--- a/internal/cache/domain.go
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
-   GoToSocial
-   Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
-
-   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 (
-	"time"
-
-	"codeberg.org/gruf/go-cache/v2"
-	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
-)
-
-// DomainCache is a cache wrapper to provide URL and URI lookups for gtsmodel.Status
-type DomainBlockCache struct {
-	cache cache.LookupCache[string, string, *gtsmodel.DomainBlock]
-}
-
-// NewStatusCache returns a new instantiated statusCache object
-func NewDomainBlockCache() *DomainBlockCache {
-	c := &DomainBlockCache{}
-	c.cache = cache.NewLookup(cache.LookupCfg[string, string, *gtsmodel.DomainBlock]{
-		RegisterLookups: func(lm *cache.LookupMap[string, string]) {
-			lm.RegisterLookup("id")
-		},
-
-		AddLookups: func(lm *cache.LookupMap[string, string], block *gtsmodel.DomainBlock) {
-			// Block can be equal to nil when sentinel
-			if block != nil && block.ID != "" {
-				lm.Set("id", block.ID, block.Domain)
-			}
-		},
-
-		DeleteLookups: func(lm *cache.LookupMap[string, string], block *gtsmodel.DomainBlock) {
-			// Block can be equal to nil when sentinel
-			if block != nil && block.ID != "" {
-				lm.Delete("id", block.ID)
-			}
-		},
-	})
-	c.cache.SetTTL(time.Minute*5, false)
-	c.cache.Start(time.Second * 10)
-	return c
-}
-
-// GetByID attempts to fetch a status from the cache by its ID, you will receive a copy for thread-safety
-func (c *DomainBlockCache) GetByID(id string) (*gtsmodel.DomainBlock, bool) {
-	return c.cache.GetBy("id", id)
-}
-
-// GetByURL attempts to fetch a status from the cache by its URL, you will receive a copy for thread-safety
-func (c *DomainBlockCache) GetByDomain(domain string) (*gtsmodel.DomainBlock, bool) {
-	return c.cache.Get(domain)
-}
-
-// Put places a status in the cache, ensuring that the object place is a copy for thread-safety
-func (c *DomainBlockCache) Put(domain string, block *gtsmodel.DomainBlock) {
-	if domain == "" {
-		panic("invalid domain")
-	}
-
-	if block == nil {
-		// This is a sentinel value for (no block)
-		c.cache.Set(domain, nil)
-	} else {
-		// This is a valid domain block
-		c.cache.Set(domain, copyDomainBlock(block))
-	}
-}
-
-// InvalidateByDomain will invalidate a domain block from the cache by domain name.
-func (c *DomainBlockCache) InvalidateByDomain(domain string) {
-	c.cache.Invalidate(domain)
-}
-
-// copyStatus performs a surface-level copy of status, only keeping attached IDs intact, not the objects.
-// due to all the data being copied being 99% primitive types or strings (which are immutable and passed by ptr)
-// this should be a relatively cheap process
-func copyDomainBlock(block *gtsmodel.DomainBlock) *gtsmodel.DomainBlock {
-	return &gtsmodel.DomainBlock{
-		ID:                 block.ID,
-		CreatedAt:          block.CreatedAt,
-		UpdatedAt:          block.UpdatedAt,
-		Domain:             block.Domain,
-		CreatedByAccountID: block.CreatedByAccountID,
-		CreatedByAccount:   nil,
-		PrivateComment:     block.PrivateComment,
-		PublicComment:      block.PublicComment,
-		Obfuscate:          block.Obfuscate,
-		SubscriptionID:     block.SubscriptionID,
-	}
-}