From 88dfb5313003eb9ba246cab3cfa700ad5c0137de Mon Sep 17 00:00:00 2001
From: jcardus <asklocation.net@gmail.com>
Date: Thu, 8 Jul 2021 02:15:00 +0100
Subject: remove stream api assume permissions are of same type

---
 .../traccar/api/resource/PermissionsResource.java  | 37 +++++++---------------
 1 file changed, 12 insertions(+), 25 deletions(-)

diff --git a/src/main/java/org/traccar/api/resource/PermissionsResource.java b/src/main/java/org/traccar/api/resource/PermissionsResource.java
index d6048d81b..ef1e16e29 100644
--- a/src/main/java/org/traccar/api/resource/PermissionsResource.java
+++ b/src/main/java/org/traccar/api/resource/PermissionsResource.java
@@ -17,13 +17,9 @@
 package org.traccar.api.resource;
 
 import java.sql.SQLException;
-import java.util.HashSet;
+import java.util.ArrayList;
 import java.util.LinkedHashMap;
 import java.util.List;
-import java.util.Objects;
-import java.util.Set;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
 
 import javax.ws.rs.Consumes;
 import javax.ws.rs.DELETE;
@@ -61,25 +57,11 @@ public class PermissionsResource  extends BaseResource {
                 permission.getPropertyClass(), getUserId(), permission.getPropertyId());
     }
 
-    private void refreshPermissions(List<LinkedHashMap<String, Long>> entities) {
-        Set<String> ownerProperty = new HashSet<>();
-        entities.stream()
-            .map(e -> {
-                try {
-                    return new Permission(e);
-                } catch (ClassNotFoundException classNotFoundException) {
-                    classNotFoundException.printStackTrace();
-                    return null;
-                }
-            })
-            .filter(Objects::nonNull)
-            .filter(p -> ownerProperty.add(p.getOwnerClass().getName() + p.getPropertyClass().getName()))
-            .forEach(p -> Context.getPermissionsManager().refreshPermissions(p));
-    }
-
     @POST
     public Response add(LinkedHashMap<String, Long> entity) throws SQLException, ClassNotFoundException {
-        return add(Stream.of(entity).collect(Collectors.toList()));
+        List<LinkedHashMap<String, Long>> list = new ArrayList<>();
+        list.add(entity);
+        return add(list);
     }
 
     @Path("bulk")
@@ -94,13 +76,17 @@ public class PermissionsResource  extends BaseResource {
             LogAction.link(getUserId(), permission.getOwnerClass(), permission.getOwnerId(),
                     permission.getPropertyClass(), permission.getPropertyId());
         }
-        refreshPermissions(entities);
+        // we assume all permissions are of same type so we use the first one for refreshing
+        if (!entities.isEmpty())
+            Context.getPermissionsManager().refreshPermissions(new Permission(entities.get(0)));
         return Response.noContent().build();
     }
 
     @DELETE
     public Response remove(LinkedHashMap<String, Long> entity) throws SQLException, ClassNotFoundException {
-        return remove(Stream.of(entity).collect(Collectors.toList()));
+        List<LinkedHashMap<String, Long>> list = new ArrayList<>();
+        list.add(entity);
+        return remove(list);
     }
 
     @DELETE
@@ -115,7 +101,8 @@ public class PermissionsResource  extends BaseResource {
             LogAction.unlink(getUserId(), permission.getOwnerClass(), permission.getOwnerId(),
                     permission.getPropertyClass(), permission.getPropertyId());
         }
-        refreshPermissions(entities);
+        if (!entities.isEmpty())
+            Context.getPermissionsManager().refreshPermissions(new Permission(entities.get(0)));
         return Response.noContent().build();
     }
 }
-- 
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