api: add stars to apps

server_apps.go

@@ -7,6 +7,7 @@ import (
 	"io"
 	"log"
 	"net/http"
+	"net/url"
 	"path"
 	"regexp"
 	"strings"
@@ -33,6 +34,11 @@ type appInfo struct {
 	description string
 	version     int
 	commit      string
+	stars       int
+}
+
+type GLProject struct {
+	StarCount int `json:"star_count"`
 }
 
 var (
@@ -40,6 +46,32 @@ var (
 	reAppRepo = regexp.MustCompile(`^([a-zA-Z\-_\.0-9]+)/([a-zA-Z\-_0-9]+)$`)
 )
 
+func (s *server) getStars(ctx context.Context, repo string) (int, error) {
+	path := fmt.Sprintf("https://%s/api/v4/projects/%s", flagGitlabHost, url.PathEscape(repo))
+
+	req, err := http.NewRequestWithContext(ctx, "GET", path, nil)
+	if err != nil {
+		return 0, fmt.Errorf("when building request: %w", err)
+	}
+	res, err := http.DefaultTransport.RoundTrip(req)
+	if err != nil {
+		return 0, fmt.Errorf("when performing request: %w", err)
+	}
+	defer res.Body.Close()
+
+	if res.StatusCode != 200 {
+		return 0, fmt.Errorf("invalid response code %d", res.StatusCode)
+	}
+
+	var project GLProject
+	j := json.NewDecoder(res.Body)
+	err = j.Decode(&project)
+	if err != nil {
+		return 0, fmt.Errorf("when performing request: %w", err)
+	}
+	return project.StarCount, nil
+}
+
 func (s *server) parseAppToml(ctx context.Context, pathInRepo string, obj *object.Commit) (*appInfo, error) {
 	p := path.Join(pathInRepo, "flow3r.toml")
 	f, err := obj.File(p)
@@ -92,6 +124,7 @@ func (s *server) parseAppToml(ctx context.Context, pathInRepo string, obj *objec
 	if len(data.Metadata.Description) > 140 {
 		return nil, fmt.Errorf("metadata description too long")
 	}
+
 	return &appInfo{
 		name:        data.App.Name,
 		author:      data.Metadata.Author,
@@ -167,6 +200,11 @@ func (s *server) getAppInfo(ctx context.Context, pathInRepo, repo string) (*appI
 	if highsetVerNil {
 		return nil, fmt.Errorf("no version")
 	}
+	stars, err := s.getStars(ctx, repo)
+	if err != nil {
+		return nil, fmt.Errorf("getting stars failed: %w", err)
+	}
+	firstTime[highestVer].stars = stars
 	return firstTime[highestVer], nil
 }
 
@@ -281,6 +319,7 @@ func (s *server) handleApps(w http.ResponseWriter, r *http.Request) {
 		Author      string `json:"author"`
 		Description string `json:"description"`
 		Version     int    `json:"version"`
+		Stars       int    `json:"stars"`
 	}
 
 	type res struct {
@@ -308,6 +347,7 @@ func (s *server) handleApps(w http.ResponseWriter, r *http.Request) {
 			Author:      a.appInfo.author,
 			Description: a.appInfo.description,
 			Version:     a.appInfo.version,
+			Stars:       a.appInfo.stars,
 		})
 	}
 	w.Header().Add("Access-Control-Allow-Origin", "*")