From 1a51a215ad03eec28f3ec39852918f2c7f089faf Mon Sep 17 00:00:00 2001
From: mozzy11 <mozzymutesa@gmail.com>
Date: Sun, 20 Jan 2019 21:09:48 +0300
Subject: [PATCH] RA-429 : deleting duplicate concepts

---
 .../AdministrativeNotification.java           | 20 ++++++++++++++
 api/src/main/resources/liquibase.xml          | 27 +++++++++++++++++--
 2 files changed, 45 insertions(+), 2 deletions(-)
 create mode 100644 api/src/main/java/org/openmrs/module/referencemetadata/AdministrativeNotification.java

diff --git a/api/src/main/java/org/openmrs/module/referencemetadata/AdministrativeNotification.java b/api/src/main/java/org/openmrs/module/referencemetadata/AdministrativeNotification.java
new file mode 100644
index 0000000..17cc9bf
--- /dev/null
+++ b/api/src/main/java/org/openmrs/module/referencemetadata/AdministrativeNotification.java
@@ -0,0 +1,20 @@
+package org.openmrs.module.referencemetadata;
+
+import java.util.Collection;
+
+import org.openmrs.Concept;
+import org.openmrs.api.context.Context;
+
+public class AdministrativeNotification {
+	
+	public void notify_duplicate_concepts() {
+	Collection<Concept> concepts = Context.getConceptService().getConceptsByName("YES");
+	
+	 if (concepts.size() == 2) {
+		 
+		 
+	 } else {
+		
+	 }
+}
+}
diff --git a/api/src/main/resources/liquibase.xml b/api/src/main/resources/liquibase.xml
index 262ed7f..4e222f1 100644
--- a/api/src/main/resources/liquibase.xml
+++ b/api/src/main/resources/liquibase.xml
@@ -1,8 +1,31 @@
 <?xml version="1.0" encoding="UTF-8"?>
-
 <databaseChangeLog
 		xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
 		xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 		xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-2.0.xsd">
-	
+<!--
+See http://www.liquibase.org/manual/home#available_database_refactorings
+for a list of supported elements and attributes
+-->
+
+	<changeSet id="deleting_duplicate_concept" author="Mutesasira Moses">
+		<preConditions onFail="MARK_RAN">
+		 <or>
+			<sqlCheck expectedResult="2">select count(*) from concept_name where name = 'YES'</sqlCheck>
+			<sqlCheck expectedResult="2">select count(*) from concept_name where name = 'NO'</sqlCheck>
+		</or>
+		</preConditions> 
+		<comment>
+		 it checks whether  the  duplicate concepts exists and deletes one
+		</comment>
+
+	  
+		<sql>   
+		SET  FOREIGN_KEY_CHECKS = 0;
+		delete from concept_name where concept_id =1 or concept_id =2;
+		delete from concept where concept_id =1 or concept_id =2 ;
+		SET  FOREIGN_KEY_CHECKS = 1;
+		</sql> 
+	</changeSet> 
+
 </databaseChangeLog>
\ No newline at end of file