gitforgefs/platforms/gitlab/user.go

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package gitlab
import (
"fmt"
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"sync"
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"github.com/badjware/gitlabfs/fstree"
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"github.com/xanzy/go-gitlab"
)
type User struct {
ID int
Name string
mux sync.Mutex
// user content cache
projectCache map[string]fstree.RepositorySource
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}
func (u *User) GetGroupID() uint64 {
return uint64(u.ID)
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}
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func (u *User) InvalidateCache() {
u.mux.Lock()
defer u.mux.Unlock()
u.projectCache = nil
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}
func (c *gitlabClient) fetchUser(uid int) (*User, error) {
// start by searching the cache
// TODO: cache invalidation?
user, found := c.userCache[uid]
if found {
c.logger.Debug("User cache hit", "uid", uid)
return user, nil
} else {
c.logger.Debug("User cache miss", "uid", uid)
}
// If not in cache, fetch group infos from API
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gitlabUser, _, err := c.client.Users.GetUser(uid)
if err != nil {
return nil, fmt.Errorf("failed to fetch user with id %v: %v", uid, err)
}
newUser := User{
ID: gitlabUser.ID,
Name: gitlabUser.Username,
projectCache: nil,
}
// save in cache
c.userCache[uid] = &newUser
return &newUser, nil
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}
func (c *gitlabClient) fetchCurrentUser() (*User, error) {
if c.currentUserCache == nil {
gitlabUser, _, err := c.client.Users.CurrentUser()
if err != nil {
return nil, fmt.Errorf("failed to fetch current user: %v", err)
}
newUser := User{
ID: gitlabUser.ID,
Name: gitlabUser.Username,
projectCache: nil,
}
c.currentUserCache = &newUser
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}
return c.currentUserCache, nil
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}
func (c *gitlabClient) fetchUserContent(user *User) (map[string]fstree.GroupSource, map[string]fstree.RepositorySource, error) {
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user.mux.Lock()
defer user.mux.Unlock()
// Get cached data if available
// TODO: cache cache invalidation?
if user.projectCache == nil {
projectCache := make(map[string]fstree.RepositorySource)
// Fetch the user repositories
listProjectOpt := &gitlab.ListProjectsOptions{
ListOptions: gitlab.ListOptions{
Page: 1,
PerPage: 100,
}}
for {
gitlabProjects, response, err := c.client.Projects.ListUserProjects(user.ID, listProjectOpt)
if err != nil {
return nil, nil, fmt.Errorf("failed to fetch projects in gitlab: %v", err)
}
for _, gitlabProject := range gitlabProjects {
project := c.newProjectFromGitlabProject(gitlabProject)
projectCache[project.Name] = &project
}
if response.CurrentPage >= response.TotalPages {
break
}
// Get the next page
listProjectOpt.Page = response.NextPage
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}
user.projectCache = projectCache
}
return make(map[string]fstree.GroupSource), user.projectCache, nil
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}