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Optimization for user.GetRepositoryAccesses to reduce db query times #495

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merged 2 commits into from
Dec 28, 2016
Merged

Optimization for user.GetRepositoryAccesses to reduce db query times #495

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3c2fd7b
optimization for user.GetRepositoryAccesses to reduce db query times
lunny Dec 27, 2016
6f9d90d
fix missing cache
lunny Dec 28, 2016
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45 changes: 27 additions & 18 deletions models/access.go
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Original file line number Diff line number Diff line change
Expand Up @@ -4,11 +4,7 @@

package models

import (
"fmt"

"code.gitea.io/gitea/modules/log"
)
import "fmt"

// AccessMode specifies the users access mode
type AccessMode int
Expand Down Expand Up @@ -103,26 +99,39 @@ func HasAccess(user *User, repo *Repository, testMode AccessMode) (bool, error)
// GetRepositoryAccesses finds all repositories with their access mode where a user has access but does not own.
func (user *User) GetRepositoryAccesses() (map[*Repository]AccessMode, error) {
accesses := make([]*Access, 0, 10)
if err := x.Find(&accesses, &Access{UserID: user.ID}); err != nil {
type RepoAccess struct {
Access `xorm:"extends"`
Repository `xorm:"extends"`
}

rows, err := x.
Join("INNER", "repository", "respository.id = access.repo_id").
Where("access.user_id = ?", user.ID).
And("repository.owner_id <> ?", user.ID).
Rows(new(RepoAccess))
if err != nil {
return nil, err
}
defer rows.Close()

repos := make(map[*Repository]AccessMode, len(accesses))
for _, access := range accesses {
repo, err := GetRepositoryByID(access.RepoID)
var repos = make(map[*Repository]AccessMode, len(accesses))
var ownerCache = make(map[int64]*User, len(accesses))
for rows.Next() {
var repo RepoAccess
err = rows.Scan(&repo)
if err != nil {
if IsErrRepoNotExist(err) {
log.Error(4, "GetRepositoryByID: %v", err)
continue
}
return nil, err
}
if err = repo.GetOwner(); err != nil {
return nil, err
} else if repo.OwnerID == user.ID {
continue

var ok bool
if repo.Owner, ok = ownerCache[repo.OwnerID]; !ok {
if err = repo.GetOwner(); err != nil {
return nil, err
}
ownerCache[repo.OwnerID] = repo.Owner
}
repos[repo] = access.Mode

repos[&repo.Repository] = repo.Access.Mode
}
return repos, nil
}
Expand Down