gotosocial/internal/cache/emojicategory.go

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/*
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 (
"strings"
"time"
"codeberg.org/gruf/go-cache/v2"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)
// EmojiCategoryCache is a cache wrapper to provide ID lookups for gtsmodel.EmojiCategory
type EmojiCategoryCache struct {
cache cache.LookupCache[string, string, *gtsmodel.EmojiCategory]
}
// NewEmojiCategoryCache returns a new instantiated EmojiCategoryCache object
func NewEmojiCategoryCache() *EmojiCategoryCache {
c := &EmojiCategoryCache{}
c.cache = cache.NewLookup(cache.LookupCfg[string, string, *gtsmodel.EmojiCategory]{
RegisterLookups: func(lm *cache.LookupMap[string, string]) {
lm.RegisterLookup("name")
},
AddLookups: func(lm *cache.LookupMap[string, string], emojiCategory *gtsmodel.EmojiCategory) {
lm.Set(("name"), strings.ToLower(emojiCategory.Name), emojiCategory.ID)
},
DeleteLookups: func(lm *cache.LookupMap[string, string], emojiCategory *gtsmodel.EmojiCategory) {
lm.Delete("name", strings.ToLower(emojiCategory.Name))
},
})
c.cache.SetTTL(time.Minute*5, false)
c.cache.Start(time.Second * 10)
return c
}
// GetByID attempts to fetch an emojiCategory from the cache by its ID, you will receive a copy for thread-safety
func (c *EmojiCategoryCache) GetByID(id string) (*gtsmodel.EmojiCategory, bool) {
return c.cache.Get(id)
}
// GetByName attempts to fetch an emojiCategory from the cache by its name, you will receive a copy for thread-safety
func (c *EmojiCategoryCache) GetByName(name string) (*gtsmodel.EmojiCategory, bool) {
return c.cache.GetBy("name", strings.ToLower(name))
}
// Put places an emojiCategory in the cache, ensuring that the object place is a copy for thread-safety
func (c *EmojiCategoryCache) Put(emoji *gtsmodel.EmojiCategory) {
if emoji == nil || emoji.ID == "" {
panic("invalid emoji")
}
c.cache.Set(emoji.ID, copyEmojiCategory(emoji))
}
func (c *EmojiCategoryCache) Invalidate(emojiID string) {
c.cache.Invalidate(emojiID)
}
func copyEmojiCategory(emojiCategory *gtsmodel.EmojiCategory) *gtsmodel.EmojiCategory {
return &gtsmodel.EmojiCategory{
ID: emojiCategory.ID,
CreatedAt: emojiCategory.CreatedAt,
UpdatedAt: emojiCategory.UpdatedAt,
Name: emojiCategory.Name,
}
}