Implement computed attributes

1 files changed, 111 insertions, 0 deletions

diff --git a/src/org/traccar/api/resource/AttributeResource.java b/src/org/traccar/api/resource/AttributeResource.java
new file mode 100644
index 000000000..7751a9360
--- /dev/null
+++ b/src/org/traccar/api/resource/AttributeResource.java
@@ -0,0 +1,111 @@
+/*
+ * Copyright 2017 Anton Tananaev (anton@traccar.org)
+ * Copyright 2017 Andrey Kunitsyn (andrey@traccar.org)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.api.resource;
+
+import java.sql.SQLException;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.Set;
+
+import javax.ws.rs.Consumes;
+import javax.ws.rs.DELETE;
+import javax.ws.rs.GET;
+import javax.ws.rs.POST;
+import javax.ws.rs.PUT;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.QueryParam;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+
+import org.traccar.Context;
+import org.traccar.api.BaseResource;
+import org.traccar.database.AttributesManager;
+import org.traccar.model.Attribute;
+
+@Path("attributes/computed")
+@Produces(MediaType.APPLICATION_JSON)
+@Consumes(MediaType.APPLICATION_JSON)
+public class AttributeResource extends BaseResource {
+
+    @GET
+    public Collection<Attribute> get(
+            @QueryParam("all") boolean all, @QueryParam("userId") long userId, @QueryParam("groupId") long groupId,
+            @QueryParam("deviceId") long deviceId, @QueryParam("refresh") boolean refresh) throws SQLException {
+
+        AttributesManager attributesManager = Context.getAttributesManager();
+        if (refresh) {
+            attributesManager.refreshAttributes();
+        }
+
+        Set<Long> result = new HashSet<>();
+        if (all) {
+            if (Context.getPermissionsManager().isAdmin(getUserId())) {
+                result.addAll(attributesManager.getAllAttributes());
+            } else {
+                Context.getPermissionsManager().checkManager(getUserId());
+                result.addAll(attributesManager.getManagedAttributes(getUserId()));
+            }
+        } else {
+            if (userId == 0) {
+                userId = getUserId();
+            }
+            Context.getPermissionsManager().checkUser(getUserId(), userId);
+            result.addAll(attributesManager.getUserAttributes(userId));
+        }
+
+        if (groupId != 0) {
+            Context.getPermissionsManager().checkGroup(getUserId(), groupId);
+            result.retainAll(attributesManager.getGroupAttributes(groupId));
+        }
+
+        if (deviceId != 0) {
+            Context.getPermissionsManager().checkDevice(getUserId(), deviceId);
+            result.retainAll(attributesManager.getDeviceAttributes(deviceId));
+        }
+        return attributesManager.getAttributes(result);
+
+    }
+    @POST
+    public Response add(Attribute entity) throws SQLException {
+        Context.getPermissionsManager().checkReadonly(getUserId());
+        Context.getAttributesManager().addAttribute(entity);
+        Context.getDataManager().linkAttribute(getUserId(), entity.getId());
+        Context.getAttributesManager().refreshUserAttributes();
+        return Response.ok(entity).build();
+    }
+
+    @Path("{id}")
+    @PUT
+    public Response update(Attribute entity) throws SQLException {
+        Context.getPermissionsManager().checkReadonly(getUserId());
+        Context.getPermissionsManager().checkAttribute(getUserId(), entity.getId());
+        Context.getAttributesManager().updateAttribute(entity);
+        return Response.ok(entity).build();
+    }
+
+    @Path("{id}")
+    @DELETE
+    public Response remove(@PathParam("id") long id) throws SQLException {
+        Context.getPermissionsManager().checkReadonly(getUserId());
+        Context.getPermissionsManager().checkAttribute(getUserId(), id);
+        Context.getAttributesManager().removeAttribute(id);
+        return Response.noContent().build();
+    }
+
+}