added validation for settings

pkg/handler/commits.go

@@ -48,8 +48,8 @@ func CommitShow(w http.ResponseWriter, r *http.Request, u *User, repo *Repo) err
 
 	// generate a token to connect with the websocket
 	// handler and stream output, if the build is running.
-	data.Token = channel.CreateStream(fmt.Sprintf(
+	data.Token = channel.Token(fmt.Sprintf(
-		"%s/commit/%s/builds/%s", repo.Slug, commit.Hash, builds[0].Slug))
+		"%s/%s/%s/commit/%s/builds/%s", repo.Host, repo.Owner, repo.Name, commit.Hash, builds[0].Slug))
 
 	// render the repository template.
 	return RenderTemplate(w, "repo_commit.html", &data)

pkg/model/settings.go

@@ -1,7 +1,13 @@
 package model
 
 import (
+	"errors"
 	"net/url"
+	"strings"
+)
+
+var (
+	ErrInvalidGitHubTrailingSlash = errors.New("GitHub URL should not have a trailing slash")
 )
 
 type Settings struct {
@@ -38,3 +44,13 @@ func (s *Settings) URL() *url.URL {
 		Scheme: s.Scheme,
 		Host:   s.Domain}
 }
+
+// Validate verifies all required fields are correctly populated.
+func (s *Settings) Validate() error {
+	switch {
+	case strings.HasSuffix(s.GitHubApiUrl, "/"):
+		return ErrInvalidGitHubTrailingSlash
+	default:
+		return nil
+	}
+}