API endpoints for forks (#509)

routers/api/v1/repo/fork.go

@@ -0,0 +1,61 @@
+// Copyright 2016 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 repo
+
+import (
+	api "code.gitea.io/sdk/gitea"
+
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/context"
+)
+
+// ListForks list a repository's forks
+func ListForks(ctx *context.APIContext) {
+	forks, err := ctx.Repo.Repository.GetForks()
+	if err != nil {
+		ctx.Error(500, "GetForks", err)
+		return
+	}
+	apiForks := make([]*api.Repository, len(forks))
+	for i, fork := range forks {
+		access, err := models.AccessLevel(ctx.User, fork)
+		if err != nil {
+			ctx.Error(500, "AccessLevel", err)
+			return
+		}
+		apiForks[i] = fork.APIFormat(access)
+	}
+	ctx.JSON(200, apiForks)
+}
+
+// CreateFork create a fork of a repo
+func CreateFork(ctx *context.APIContext, form api.CreateForkOption) {
+	repo := ctx.Repo.Repository
+	var forker *models.User // user/org that will own the fork
+	if form.Organization == nil {
+		forker = ctx.User
+	} else {
+		org, err := models.GetOrgByName(*form.Organization)
+		if err != nil {
+			if err == models.ErrOrgNotExist {
+				ctx.Error(422, "", err)
+			} else {
+				ctx.Error(500, "GetOrgByName", err)
+			}
+			return
+		}
+		if !org.IsOrgMember(ctx.User.ID) {
+			ctx.Status(403)
+			return
+		}
+		forker = org
+	}
+	fork, err := models.ForkRepository(forker, repo, repo.Name, repo.Description)
+	if err != nil {
+		ctx.Error(500, "ForkRepository", err)
+		return
+	}
+	ctx.JSON(202, fork.APIFormat(models.AccessModeOwner))
+}