Add option to initialize repository with labels (#6061)

* Add optional label sets on repo creation

* Fix CRLF

* Instead of hardcoding default, make it the helper

* Move label set init out of repo init

Add a new error for the router
Combine router label init with repo creation label init

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Add issue labels to Swagger for repo creation

Signed-off-by: jolheiser <john.olheiser@gmail.com>

* Update models/issue_label.go

Co-Authored-By: Lauris BH <lauris@nix.lv>

* Update models/issue_label.go

Co-Authored-By: guillep2k <18600385+guillep2k@users.noreply.github.com>

models/error.go

@@ -1058,6 +1058,22 @@ func (err ErrIssueNotExist) Error() string {
 	return fmt.Sprintf("issue does not exist [id: %d, repo_id: %d, index: %d]", err.ID, err.RepoID, err.Index)
 }
 
+// ErrIssueLabelTemplateLoad represents a "ErrIssueLabelTemplateLoad" kind of error.
+type ErrIssueLabelTemplateLoad struct {
+	TemplateFile  string
+	OriginalError error
+}
+
+// IsErrIssueLabelTemplateLoad checks if an error is a ErrIssueLabelTemplateLoad.
+func IsErrIssueLabelTemplateLoad(err error) bool {
+	_, ok := err.(ErrIssueLabelTemplateLoad)
+	return ok
+}
+
+func (err ErrIssueLabelTemplateLoad) Error() string {
+	return fmt.Sprintf("Failed to load label template file '%s': %v", err.TemplateFile, err.OriginalError)
+}
+
 // __________      .__  .__ __________                                     __
 // \______   \__ __|  | |  |\______   \ ____  ________ __   ____   _______/  |_
 //  |     ___/  |  \  | |  | |       _// __ \/ ____/  |  \_/ __ \ /  ___/\   __\

models/issue_label.go

@@ -127,6 +127,34 @@ func (label *Label) ForegroundColor() template.CSS {
 	return template.CSS("#000")
 }
 
+func initalizeLabels(e Engine, repoID int64, labelTemplate string) error {
+	list, err := GetLabelTemplateFile(labelTemplate)
+	if err != nil {
+		return ErrIssueLabelTemplateLoad{labelTemplate, err}
+	}
+
+	labels := make([]*Label, len(list))
+	for i := 0; i < len(list); i++ {
+		labels[i] = &Label{
+			RepoID:      repoID,
+			Name:        list[i][0],
+			Description: list[i][2],
+			Color:       list[i][1],
+		}
+	}
+	for _, label := range labels {
+		if err = newLabel(e, label); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// InitalizeLabels adds a label set to a repository using a template
+func InitalizeLabels(repoID int64, labelTemplate string) error {
+	return initalizeLabels(x, repoID, labelTemplate)
+}
+
 func newLabel(e Engine, label *Label) error {
 	_, err := e.Insert(label)
 	return err

models/repo.go

@@ -1098,6 +1098,7 @@ type CreateRepoOptions struct {
 	Description string
 	OriginalURL string
 	Gitignores  string
+	IssueLabels string
 	License     string
 	Readme      string
 	IsPrivate   bool
@@ -1394,6 +1395,13 @@ func CreateRepository(doer, u *User, opts CreateRepoOptions) (_ *Repository, err
 			return nil, fmt.Errorf("initRepository: %v", err)
 		}
 
+		// Initialize Issue Labels if selected
+		if len(opts.IssueLabels) > 0 {
+			if err = initalizeLabels(sess, repo.ID, opts.IssueLabels); err != nil {
+				return nil, fmt.Errorf("initalizeLabels: %v", err)
+			}
+		}
+
 		_, stderr, err := process.GetManager().ExecDir(-1,
 			repoPath, fmt.Sprintf("CreateRepository(git update-server-info): %s", repoPath),
 			git.GitExecutable, "update-server-info")