From 290c7dfb5b3e614381970cbb8542f87a929f2a46 Mon Sep 17 00:00:00 2001
From: Manuel Rego Casasnovas <rego@igalia.com>
Date: Thu, 7 Jun 2012 08:00:53 +0200
Subject: [PATCH] Add restriction to prevent remove all the lines in a personal
 expense sheet

A personal expense sheet is bound to a resource, and the resource is specified
in the lines. So, if user removes all the lines we'll be losing that
relationship.

FEA: ItEr76S28UserDashboard
---
 .../business/expensesheet/entities/ExpenseSheet.java     | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/libreplan-business/src/main/java/org/libreplan/business/expensesheet/entities/ExpenseSheet.java b/libreplan-business/src/main/java/org/libreplan/business/expensesheet/entities/ExpenseSheet.java
index 88c6d6b53..6728e7b74 100644
--- a/libreplan-business/src/main/java/org/libreplan/business/expensesheet/entities/ExpenseSheet.java
+++ b/libreplan-business/src/main/java/org/libreplan/business/expensesheet/entities/ExpenseSheet.java
@@ -232,4 +232,13 @@ public class ExpenseSheet extends IntegrationEntity implements IHumanIdentifiabl
         return !personal;
     }
 
+    @AssertTrue(message = "a personal expenses must have at least one line")
+    public boolean checkConstraintPersonalExpenseMustHaveAtLeastOneLine() {
+        if (!personal) {
+            return true;
+        }
+
+        return !expenseSheetLines.isEmpty();
+    }
+
 }
\ No newline at end of file