Initial implementation of search, updated PacketHandler to behave more more like android app

lib/backend.rb

@@ -41,6 +41,30 @@ module TAC
       @config_changed = false
     end
 
+    def move_config(old_name, new_name)
+      if not File.exists?("#{TAC::CONFIGS_PATH}/#{old_name}.json") or
+        File.directory?("#{TAC::CONFIGS_PATH}/#{old_name}.json")
+        # move_config: Can not move config file "#{old_name}" does not exist!
+        return false
+      end
+
+      if File.exists?("#{TAC::CONFIGS_PATH}/#{new_name}.json") &&
+        !File.directory?("#{TAC::CONFIGS_PATH}/#{old_name}.json")
+        # move_config: Config file "#{new_name}" already exist!
+        return false
+      end
+
+      return FileUtils.mv(
+        "#{TAC::CONFIGS_PATH}/#{old_name}.json",
+        "#{TAC::CONFIGS_PATH}/#{new_name}.json"
+      )
+    end
+
+    def delete_config(config_name)
+      FileUtils.rm("#{TAC::CONFIGS_PATH}/#{config_name}.json") if File.exists?("#{TAC::CONFIGS_PATH}/#{config_name}.json")
+    end
+
+
     def upload_config(config_name)
       if @tacnet.connected?
         json = Config.new(config_name).to_json