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	* update go-cache version to support multi-keying Signed-off-by: kim <grufwub@gmail.com> * improved cache invalidation Signed-off-by: kim <grufwub@gmail.com> --------- Signed-off-by: kim <grufwub@gmail.com>
		
			
				
	
	
		
			81 lines
		
	
	
	
		
			2.6 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			81 lines
		
	
	
	
		
			2.6 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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| 
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| package cache
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| 
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| import (
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| 	"codeberg.org/gruf/go-cache/v3/result"
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| 	"github.com/superseriousbusiness/gotosocial/internal/config"
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| )
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| 
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| type VisibilityCache struct {
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| 	*result.Cache[*CachedVisibility]
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| }
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| 
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| // Init will initialize the visibility cache in this collection.
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| // NOTE: the cache MUST NOT be in use anywhere, this is not thread-safe.
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| func (c *VisibilityCache) Init() {
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| 	c.Cache = result.New([]result.Lookup{
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| 		{Name: "ItemID", Multi: true},
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| 		{Name: "RequesterID", Multi: true},
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| 		{Name: "Type.RequesterID.ItemID"},
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| 	}, func(v1 *CachedVisibility) *CachedVisibility {
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| 		v2 := new(CachedVisibility)
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| 		*v2 = *v1
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| 		return v2
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| 	}, config.GetCacheVisibilityMaxSize())
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| 	c.Cache.SetTTL(config.GetCacheVisibilityTTL(), true)
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| 	c.Cache.IgnoreErrors(ignoreErrors)
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| }
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| 
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| // Start will attempt to start the visibility cache, or panic.
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| func (c *VisibilityCache) Start() {
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| 	tryStart(c.Cache, config.GetCacheVisibilitySweepFreq())
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| }
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| 
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| // Stop will attempt to stop the visibility cache, or panic.
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| func (c *VisibilityCache) Stop() {
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| 	tryStop(c.Cache, config.GetCacheVisibilitySweepFreq())
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| }
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| 
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| // VisibilityType represents a visibility lookup type.
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| // We use a byte type here to improve performance in the
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| // result cache when generating the key.
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| type VisibilityType byte
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| 
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| const (
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| 	// Possible cache visibility lookup types.
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| 	VisibilityTypeAccount = VisibilityType('a')
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| 	VisibilityTypeStatus  = VisibilityType('s')
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| 	VisibilityTypeHome    = VisibilityType('h')
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| 	VisibilityTypePublic  = VisibilityType('p')
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| )
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| 
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| // CachedVisibility represents a cached visibility lookup value.
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| type CachedVisibility struct {
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| 	// ItemID is the ID of the item in question (status / account).
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| 	ItemID string
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| 
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| 	// RequesterID is the ID of the requesting account for this visibility lookup.
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| 	RequesterID string
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| 
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| 	// Type is the visibility lookup type.
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| 	Type VisibilityType
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| 
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| 	// Value is the actual visibility value.
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| 	Value bool
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| }
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