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forgejo/modules/cache/last_commit.go
Lunny Xiao ce7062a422
Cache last commit to accelerate the repository directory page visit (#10069)
* Cache last commit to accelerate the repository directory page visit

* Default use default cache configuration

* add tests for last commit cache

* Simplify last commit cache

* Revert Enabled back

* Change the last commit cache default ttl to 8760h

* Fix test
2020-02-01 19:11:32 +00:00

64 lines
1.9 KiB
Go

// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package cache
import (
"fmt"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
mc "gitea.com/macaron/cache"
"gopkg.in/src-d/go-git.v4/plumbing/object"
)
// LastCommitCache represents a cache to store last commit
type LastCommitCache struct {
repoPath string
ttl int64
repo *git.Repository
commitCache map[string]*object.Commit
mc.Cache
}
// NewLastCommitCache creates a new last commit cache for repo
func NewLastCommitCache(repoPath string, gitRepo *git.Repository, ttl int64) *LastCommitCache {
return &LastCommitCache{
repoPath: repoPath,
repo: gitRepo,
commitCache: make(map[string]*object.Commit),
ttl: ttl,
Cache: conn,
}
}
// Get get the last commit information by commit id and entry path
func (c LastCommitCache) Get(ref, entryPath string) (*object.Commit, error) {
v := c.Cache.Get(fmt.Sprintf("last_commit:%s:%s:%s", c.repoPath, ref, entryPath))
if vs, ok := v.(string); ok {
log.Trace("LastCommitCache hit level 1: [%s:%s:%s]", ref, entryPath, vs)
if commit, ok := c.commitCache[vs]; ok {
log.Trace("LastCommitCache hit level 2: [%s:%s:%s]", ref, entryPath, vs)
return commit, nil
}
id, err := c.repo.ConvertToSHA1(vs)
if err != nil {
return nil, err
}
commit, err := c.repo.GoGitRepo().CommitObject(id)
if err != nil {
return nil, err
}
c.commitCache[vs] = commit
return commit, nil
}
return nil, nil
}
// Put put the last commit id with commit and entry path
func (c LastCommitCache) Put(ref, entryPath, commitID string) error {
log.Trace("LastCommitCache save: [%s:%s:%s]", ref, entryPath, commitID)
return c.Cache.Put(fmt.Sprintf("last_commit:%s:%s:%s", c.repoPath, ref, entryPath), commitID, c.ttl)
}