#96 实现组内的任何一个人都可以分享内容到这个组中.

存在不足：共享内容以分享者进行归类组织.  更好的内容组织方式：共享给组的以组归类组织，共享给个人的以分享者个人组织

app/service/ShareService.go

@@ -666,8 +666,7 @@ func (this *ShareService) HasReadNotePerm(noteId, userId string) bool {
 
 // 得到笔记分享给的groups
 func (this *ShareService) GetNoteShareGroups(noteId, userId string) []info.ShareNote {
-	// 得到分组s
-	groups := groupService.GetGroups(userId)
+	groups := groupService.GetGroupsContainOf(userId)
 	
 	// 得到有分享的分组
 	shares := []info.ShareNote{}
@@ -694,9 +693,7 @@ func (this *ShareService) GetNoteShareGroups(noteId, userId string) []info.Share
 
 // 共享笔记给分组
 func (this *ShareService) AddShareNoteGroup(userId, noteId, groupId string, perm int) (bool) {
-	// 得到group, 是否是我的group
-	group := groupService.GetGroup(userId, groupId)
-	if group.GroupId == "" {
+	if !groupService.IsExistsGroupUser(userId, groupId) {
 		return false
 	}
 	
@@ -724,8 +721,7 @@ func (this *ShareService) DeleteShareNoteGroup(userId, noteId, groupId string) b
 	
 // 得到笔记本分享给的groups
 func (this *ShareService) GetNotebookShareGroups(notebookId, userId string) []info.ShareNotebook {
-	// 得到分组s
-	groups := groupService.GetGroups(userId)
+	groups := groupService.GetGroupsContainOf(userId)
 	
 	// 得到有分享的分组
 	shares := []info.ShareNotebook{}
@@ -752,9 +748,7 @@ func (this *ShareService) GetNotebookShareGroups(notebookId, userId string) []in
 }
 // 共享笔记给分组
 func (this *ShareService) AddShareNotebookGroup(userId, notebookId, groupId string, perm int) (bool) {
-	// 得到group, 是否是我的group
-	group := groupService.GetGroup(userId, groupId)
-	if group.GroupId == "" {
+	if !groupService.IsExistsGroupUser(userId, groupId) {
 		return false
 	}