introduce git-shell

models/wiki.go

@@ -0,0 +1,56 @@
+// Copyright 2015 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package models
+
+import (
+	"fmt"
+	"path/filepath"
+	"strings"
+
+	"github.com/Unknwon/com"
+
+	"github.com/gogits/git-shell"
+)
+
+// ToWikiPageName formats a string to corresponding wiki URL name.
+func ToWikiPageName(name string) string {
+	return strings.Replace(name, " ", "-", -1)
+}
+
+// WikiPath returns wiki data path by given user and repository name.
+func WikiPath(userName, repoName string) string {
+	return filepath.Join(UserPath(userName), strings.ToLower(repoName)+".wiki.git")
+}
+
+func (repo *Repository) WikiPath() string {
+	return WikiPath(repo.MustOwner().Name, repo.Name)
+}
+
+// HasWiki returns true if repository has wiki.
+func (repo *Repository) HasWiki() bool {
+	return com.IsDir(repo.WikiPath())
+}
+
+// InitWiki initializes a wiki for repository,
+// it does nothing when repository already has wiki.
+func (repo *Repository) InitWiki() error {
+	if repo.HasWiki() {
+		return nil
+	}
+
+	if err := git.InitRepository(repo.WikiPath(), true); err != nil {
+		return fmt.Errorf("InitRepository: %v", err)
+	}
+	return nil
+}
+
+// AddWikiPage adds new page to repository wiki.
+func (repo *Repository) AddWikiPage(title, content, message string) (err error) {
+	if err = repo.InitWiki(); err != nil {
+		return fmt.Errorf("InitWiki: %v", err)
+	}
+
+	return nil
+}