Start moving gitlab code to remote interface

internal/remotes/gitlab/gitlab_api.go

@@ -0,0 +1,98 @@
+package gitlabremote
+
+import (
+	"github.com/pterm/pterm"
+	"github.com/xanzy/go-gitlab"
+	"gitlab.sweetwater.com/it/devops/tools/gitlab-project-manager/internal/remotes/projects"
+	"gitlab.sweetwater.com/it/devops/tools/gitlab-project-manager/internal/remotes/remote"
+)
+
+func NewGitlabApi(info *remote.RemoteInfo) (*gitlab.Client, error) {
+	client, err := gitlab.NewClient(info.Token, gitlab.WithBaseURL(info.Host))
+	if err != nil {
+		return nil, err
+	}
+	return client, nil
+}
+
+func (r *GitlabRemote) GetNumProjects(opts *remote.RemoteQueryOpts) int {
+	listOpts := *DefaultListOpts
+	listOpts.PerPage = 1
+	listOpts.Simple = gitlab.Ptr[bool](true)
+	_, resp, err := r.api.Projects.ListProjects(&listOpts)
+	if err != nil {
+		pterm.Error.Printfln("Failed getting number of GitLab projects: %s", err)
+		return -1
+	}
+	return resp.TotalItems
+}
+
+// Returns a list of projects along with the next page and an error
+// if there was an error
+func (r *GitlabRemote) ListProjects(opts *gitlab.ListProjectsOptions) (
+	[]*projects.Project, *gitlab.Response, error) {
+	pList := make([]*projects.Project, 0)
+	projects, resp, err := r.api.Projects.ListProjects(
+		opts,
+		gitlab.WithContext(r.info.Ctx),
+	)
+	if err == nil {
+		pList = append(pList, r.handleProjects(projects)...)
+	}
+	return pList, resp, err
+}
+
+func (r *GitlabRemote) handleProjects(gitProjects []*gitlab.Project) []*projects.Project {
+	// Opportunity to perform any filtering or additional lookups
+	// on a per-project basis
+	pList := make([]*projects.Project, 0, len(gitProjects))
+	for _, project := range gitProjects {
+		var owner string
+		if project.Owner != nil {
+			owner = project.Owner.Email
+		}
+		p := &projects.Project{
+			ID:                project.ID,
+			Description:       project.Description,
+			SSHURLToRepo:      project.SSHURLToRepo,
+			HTTPURLToRepo:     project.HTTPURLToRepo,
+			WebURL:            project.WebURL,
+			Name:              project.Name,
+			NameWithNamespace: project.NameWithNamespace,
+			Path:              project.Path,
+			PathWithNamespace: project.PathWithNamespace,
+			Remote:            r.info.Host,
+			Owner:             owner,
+			AvatarURL:         project.AvatarURL,
+			LastActivityAt:    *project.LastActivityAt,
+			Readme:            project.ReadmeURL,
+			Languages:         r.GetProjectLanguages(project),
+		}
+		pList = append(pList, p)
+	}
+	return pList
+}
+
+// A nil return indicates an API error or GitLab doesn't know what
+// language the project uses.
+func (r *GitlabRemote) GetProjectLanguages(project *gitlab.Project) *projects.ProjectLanguages {
+	l, _, e := r.api.Projects.GetProjectLanguages(project.ID, gitlab.WithContext(r.info.Ctx))
+	if e != nil {
+		pterm.Error.Printfln("Failed requesting project languages: %s", e.Error())
+		return nil
+	}
+
+	var pLangs projects.ProjectLanguages
+	pLangs = make([]*projects.ProjectLanguage, len(*l))
+
+	var i int
+	for name, pcnt := range *l {
+		pLangs[i] = &projects.ProjectLanguage{
+			Name:       name,
+			Percentage: pcnt,
+		}
+		i++
+	}
+
+	return &pLangs
+}