107 lines
2.6 KiB
Go
107 lines
2.6 KiB
Go
package gitlab
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import (
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"fmt"
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"sync"
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"github.com/badjware/gitforgefs/fstree"
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"github.com/xanzy/go-gitlab"
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)
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type User struct {
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ID int
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Name string
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mux sync.Mutex
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// hold user content
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childProjects map[string]fstree.RepositorySource
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}
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func (u *User) GetGroupID() uint64 {
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return uint64(u.ID)
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}
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func (u *User) InvalidateContentCache() {
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u.mux.Lock()
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defer u.mux.Unlock()
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// clear child repositories from cache
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u.childProjects = nil
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}
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func (c *gitlabClient) fetchUser(uid int) (*User, error) {
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// start by searching the cache
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// TODO: cache invalidation?
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c.userCacheMux.RLock()
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user, found := c.userCache[uid]
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c.userCacheMux.RUnlock()
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if found {
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// if found in cache, return the cached reference
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c.logger.Debug("User cache hit", "uid", uid)
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return user, nil
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} else {
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c.logger.Debug("User cache miss", "uid", uid)
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}
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// If not found in cache, fetch group infos from API
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gitlabUser, _, err := c.client.Users.GetUser(uid, gitlab.GetUsersOptions{})
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if err != nil {
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return nil, fmt.Errorf("failed to fetch user with id %v: %v", uid, err)
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}
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newUser := User{
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ID: gitlabUser.ID,
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Name: gitlabUser.Username,
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childProjects: nil,
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}
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// save in cache
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c.userCacheMux.Lock()
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c.userCache[uid] = &newUser
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c.userCacheMux.Unlock()
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return &newUser, nil
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}
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func (c *gitlabClient) fetchUserContent(user *User) (map[string]fstree.GroupSource, map[string]fstree.RepositorySource, error) {
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// Only a single routine can fetch the user content at the time.
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// We lock for the whole duration of the function to avoid fetching the same data from the API
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// multiple times if concurrent calls where to occur.
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user.mux.Lock()
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defer user.mux.Unlock()
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// Get cached data if available
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// TODO: cache cache invalidation?
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if user.childProjects == nil {
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childProjects := make(map[string]fstree.RepositorySource)
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// Fetch the user repositories
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listProjectOpt := &gitlab.ListProjectsOptions{
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ListOptions: gitlab.ListOptions{
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Page: 1,
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PerPage: 100,
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}}
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for {
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gitlabProjects, response, err := c.client.Projects.ListUserProjects(user.ID, listProjectOpt)
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if err != nil {
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return nil, nil, fmt.Errorf("failed to fetch projects in gitlab: %v", err)
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}
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for _, gitlabProject := range gitlabProjects {
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project := c.newProjectFromGitlabProject(gitlabProject)
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if project != nil {
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childProjects[project.Path] = project
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}
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}
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if response.CurrentPage >= response.TotalPages {
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break
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}
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// Get the next page
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listProjectOpt.Page = response.NextPage
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}
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user.childProjects = childProjects
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}
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return make(map[string]fstree.GroupSource), user.childProjects, nil
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}
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