Merge pull request #3396 from Abyss777/combine_resources

Combine PUT/POST/DELETE functions in object resources

1 files changed, 123 insertions, 0 deletions

diff --git a/src/org/traccar/api/BaseObjectResource.java b/src/org/traccar/api/BaseObjectResource.java
new file mode 100644
index 000000000..4475e3b4d
--- /dev/null
+++ b/src/org/traccar/api/BaseObjectResource.java
@@ -0,0 +1,123 @@
+/*
+ * 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;
+
+import java.sql.SQLException;
+
+import javax.ws.rs.DELETE;
+import javax.ws.rs.POST;
+import javax.ws.rs.PUT;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.core.Response;
+
+import org.traccar.Context;
+import org.traccar.database.BaseObjectManager;
+import org.traccar.database.ExtendedObjectManager;
+import org.traccar.database.SimpleObjectManager;
+import org.traccar.model.BaseModel;
+import org.traccar.model.Device;
+import org.traccar.model.Group;
+import org.traccar.model.User;
+
+public abstract class BaseObjectResource<T extends BaseModel> extends BaseResource {
+
+    private Class<T> baseClass;
+
+    public BaseObjectResource(Class<T> baseClass) {
+        this.baseClass = baseClass;
+    }
+
+    @POST
+    public Response add(T entity) throws SQLException {
+        Context.getPermissionsManager().checkReadonly(getUserId());
+        if (baseClass.equals(Device.class)) {
+            Context.getPermissionsManager().checkDeviceReadonly(getUserId());
+            Context.getPermissionsManager().checkDeviceLimit(getUserId());
+        }
+
+        BaseObjectManager<T> manager = Context.getManager(baseClass);
+        manager.addItem(entity);
+
+        Context.getDataManager().linkObject(User.class, getUserId(), baseClass, entity.getId(), true);
+
+        if (manager instanceof SimpleObjectManager) {
+            ((SimpleObjectManager<T>) manager).refreshUserItems();
+        } else if (baseClass.equals(Group.class) || baseClass.equals(Device.class)) {
+            Context.getPermissionsManager().refreshDeviceAndGroupPermissions();
+            Context.getPermissionsManager().refreshAllExtendedPermissions();
+        }
+        return Response.ok(entity).build();
+    }
+
+    @Path("{id}")
+    @PUT
+    public Response update(T entity) throws SQLException {
+        Context.getPermissionsManager().checkReadonly(getUserId());
+        if (baseClass.equals(Device.class)) {
+            Context.getPermissionsManager().checkDeviceReadonly(getUserId());
+        } else if (baseClass.equals(User.class)) {
+            User before = Context.getPermissionsManager().getUser(entity.getId());
+            Context.getPermissionsManager().checkUserUpdate(getUserId(), before, (User) entity);
+        }
+        Context.getPermissionsManager().checkPermission(baseClass, getUserId(), entity.getId());
+
+        Context.getManager(baseClass).updateItem(entity);
+
+        if (baseClass.equals(Group.class) || baseClass.equals(Device.class)) {
+            Context.getPermissionsManager().refreshDeviceAndGroupPermissions();
+            Context.getPermissionsManager().refreshAllExtendedPermissions();
+        } else if (baseClass.equals(User.class) && Context.getNotificationManager() != null) {
+            Context.getNotificationManager().refresh();
+        }
+        return Response.ok(entity).build();
+    }
+
+    @Path("{id}")
+    @DELETE
+    public Response remove(@PathParam("id") long id) throws SQLException {
+        Context.getPermissionsManager().checkReadonly(getUserId());
+        if (baseClass.equals(Device.class)) {
+            Context.getPermissionsManager().checkDeviceReadonly(getUserId());
+        }
+        Context.getPermissionsManager().checkPermission(baseClass, getUserId(), id);
+
+        BaseObjectManager<T> manager = Context.getManager(baseClass);
+        manager.removeItem(id);
+
+        if (manager instanceof SimpleObjectManager) {
+            ((SimpleObjectManager<T>) manager).refreshUserItems();
+            if (manager instanceof ExtendedObjectManager) {
+                ((ExtendedObjectManager<T>) manager).refreshExtendedPermissions();
+            }
+        }
+        if (baseClass.equals(Group.class) || baseClass.equals(Device.class) || baseClass.equals(User.class)) {
+            Context.getPermissionsManager().refreshDeviceAndGroupPermissions();
+            if (baseClass.equals(User.class)) {
+                Context.getPermissionsManager().refreshAllUsersPermissions();
+            } else {
+                Context.getPermissionsManager().refreshAllExtendedPermissions();
+            }
+        }
+        // Next should be removed with Attribute Aliases
+        if (baseClass.equals(Device.class)) {
+            Context.getAliasesManager().removeDevice(id);
+        }
+        return Response.noContent().build();
+    }
+
+}