MIFOSX-322: update apidocs for client pagination and sorting.

mifosng-provider/src/main/java/org/mifosplatform/portfolio/client/service/ClientReadPlatformServiceImpl.java

@@ -94,7 +94,11 @@ public class ClientReadPlatformServiceImpl implements ClientReadPlatformService
         // have to scan entire database table.
         // sql += " order by c.display_name ASC, c.account_no ASC";
         if (searchParameters.isOrderByRequested()) {
-            sqlBuilder.append(" order by ").append(searchParameters.getOrderBy()).append(' ').append(searchParameters.getSortOrder());
+            sqlBuilder.append(" order by ").append(searchParameters.getOrderBy());
+            
+            if (searchParameters.isSortOrderProvided()) {
+                sqlBuilder.append(' ').append(searchParameters.getSortOrder());
+            }
         }
 
         if (searchParameters.isLimited()) {
@@ -130,7 +134,7 @@ public class ClientReadPlatformServiceImpl implements ClientReadPlatformService
         }
 
         if (externalId != null) {
-            extraCriteria += " and external_id like " + ApiParameterHelper.sqlEncodeString(externalId);
+            extraCriteria += " and c.external_id like " + ApiParameterHelper.sqlEncodeString(externalId);
         }
 
         if (displayName != null) {

mifosng-provider/src/main/java/org/mifosplatform/portfolio/group/service/SearchParameters.java

@@ -56,7 +56,11 @@ public final class SearchParameters {
     }
 
     public boolean isOrderByRequested() {
-        return StringUtils.isNotBlank(this.orderBy) && StringUtils.isNotBlank(this.sortOrder);
+        return StringUtils.isNotBlank(this.orderBy);
+    }
+
+    public boolean isSortOrderProvided() {
+        return StringUtils.isNotBlank(this.sortOrder);
     }
 
     public String getSqlSearch() {