WIP: add update user group command

pkg/api/api.go

@@ -134,9 +134,12 @@ func (hs *HttpServer) registerRoutes() {
 
 		// user group (admin permission required)
 		r.Group("/user-groups", func() {
+			r.Get("/:userGroupId", wrap(GetUserGroupById))
 			r.Get("/search", wrap(SearchUserGroups))
 			r.Post("/", quota("user-groups"), bind(m.CreateUserGroupCommand{}), wrap(CreateUserGroup))
+			r.Put("/:userGroupId", bind(m.UpdateUserGroupCommand{}), wrap(UpdateUserGroup))
 			r.Delete("/:userGroupId", wrap(DeleteUserGroupById))
+			r.Get("/:userGroupId/members", wrap(GetUserGroupMembers))
 		}, reqGrafanaAdmin)
 
 		// org information available to all users.

pkg/api/user_group.go

@@ -26,6 +26,19 @@ func CreateUserGroup(c *middleware.Context, cmd m.CreateUserGroupCommand) Respon
 	})
 }
 
+// PUT /api/user-groups/:userGroupId
+func UpdateUserGroup(c *middleware.Context, cmd m.UpdateUserGroupCommand) Response {
+	cmd.Id = c.ParamsInt64(":userGroupId")
+	if err := bus.Dispatch(&cmd); err != nil {
+		if err == m.ErrUserGroupNameTaken {
+			return ApiError(400, "User Group name taken", err)
+		}
+		return ApiError(500, "Failed to update User Group", err)
+	}
+
+	return ApiSuccess("User Group updated")
+}
+
 // DELETE /api/user-groups/:userGroupId
 func DeleteUserGroupById(c *middleware.Context) Response {
 	if err := bus.Dispatch(&m.DeleteUserGroupCommand{Id: c.ParamsInt64(":userGroupId")}); err != nil {
@@ -64,3 +77,18 @@ func SearchUserGroups(c *middleware.Context) Response {
 
 	return Json(200, query.Result)
 }
+
+// GET /api/user-groups/:userGroupId
+func GetUserGroupById(c *middleware.Context) Response {
+	query := m.GetUserGroupByIdQuery{Id: c.ParamsInt64(":userGroupId")}
+
+	if err := bus.Dispatch(&query); err != nil {
+		if err == m.ErrUserGroupNotFound {
+			return ApiError(404, "User Group not found", err)
+		}
+
+		return ApiError(500, "Failed to get User Group", err)
+	}
+
+	return Json(200, &query.Result)
+}

pkg/api/user_group_members.go

@@ -0,0 +1,18 @@
+package api
+
+import (
+	"github.com/grafana/grafana/pkg/bus"
+	"github.com/grafana/grafana/pkg/middleware"
+	m "github.com/grafana/grafana/pkg/models"
+)
+
+// GET /api/user-groups/:userGroupId/members
+func GetUserGroupMembers(c *middleware.Context) Response {
+	query := m.GetUserGroupMembersQuery{UserGroupId: c.ParamsInt64(":userGroupId")}
+
+	if err := bus.Dispatch(&query); err != nil {
+		return ApiError(500, "Failed to get User Group Members", err)
+	}
+
+	return Json(200, query.Result)
+}

pkg/models/user_group.go

@@ -31,6 +31,11 @@ type CreateUserGroupCommand struct {
 	Result UserGroup `json:"-"`
 }
 
+type UpdateUserGroupCommand struct {
+	Id   int64
+	Name string
+}
+
 type DeleteUserGroupCommand struct {
 	Id int64
 }

pkg/services/sqlstore/user_group.go

@@ -12,6 +12,7 @@ import (
 
 func init() {
 	bus.AddHandler("sql", CreateUserGroup)
+	bus.AddHandler("sql", UpdateUserGroup)
 	bus.AddHandler("sql", DeleteUserGroup)
 	bus.AddHandler("sql", SearchUserGroups)
 	bus.AddHandler("sql", GetUserGroupById)
@@ -44,6 +45,34 @@ func CreateUserGroup(cmd *m.CreateUserGroupCommand) error {
 	})
 }
 
+func UpdateUserGroup(cmd *m.UpdateUserGroupCommand) error {
+	return inTransaction2(func(sess *session) error {
+
+		if isNameTaken, err := isUserGroupNameTaken(cmd.Name, cmd.Id, sess); err != nil {
+			return err
+		} else if isNameTaken {
+			return m.ErrUserGroupNameTaken
+		}
+
+		userGroup := m.UserGroup{
+			Name:    cmd.Name,
+			Updated: time.Now(),
+		}
+
+		affectedRows, err := sess.Id(cmd.Id).Update(&userGroup)
+
+		if err != nil {
+			return err
+		}
+
+		if affectedRows == 0 {
+			return m.ErrUserGroupNotFound
+		}
+
+		return nil
+	})
+}
+
 func DeleteUserGroup(cmd *m.DeleteUserGroupCommand) error {
 	return inTransaction2(func(sess *session) error {
 		if res, err := sess.Query("SELECT 1 from user_group WHERE id=?", cmd.Id); err != nil {