From 1411db77e001893f2a3a827fed66fd2e8c6d994b Mon Sep 17 00:00:00 2001
From: Yi EungJun <eungjun.yi@navercorp.com>
Date: Thu, 13 Nov 2014 18:19:49 +0900
Subject: [PATCH] Project: Fix server error while deleting

Fix a bug that a referential integiry exception occurrs while deleting
a project which has an issue to which a label is attached. Delete issues
first because labels cannot be deleted if there is an issue refers them.
---
 app/models/Project.java | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/app/models/Project.java b/app/models/Project.java
index 4561ef0ef..76a06703a 100644
--- a/app/models/Project.java
+++ b/app/models/Project.java
@@ -609,14 +609,16 @@ public void delete() {
             label.update();
         }
 
-        for(IssueLabelCategory category : IssueLabelCategory.findByProject(this)) {
-            category.delete();
-        }
-
+        // Issues must be deleted before issue labels because issues may refer
+        // issue labels.
         for(Issue issue : issues) {
             issue.delete();
         }
 
+        for(IssueLabelCategory category : IssueLabelCategory.findByProject(this)) {
+            category.delete();
+        }
+
         for (Assignee assignee : assignees) {
             assignee.delete();
         }