file.json to Object Mapper class using SwiftyJSON

parsing.swift

        if let path = Bundle.main.path(forResource: "FeedFile", ofType: "json") {
            do {
                let data = try Data(contentsOf: URL(fileURLWithPath: path), options: .alwaysMapped)
                let jsonData = JSON(data: data)
                if jsonData != JSON.null {

                        if let arrOfFeed = Mapper<GlynkFeed>().mapArray(JSONObject: jsonData["feed"].arrayObject) {
                            if arrOfFeed.count > 0 {
                                if self.arrOfGlynkFeed == nil || self.refreshControl.isRefreshing {
                                    self.arrOfGlynkFeed = arrOfFeed
                                } else {
                                    self.arrOfGlynkFeed.append(contentsOf: arrOfFeed)
                                }
                                self.pageNo = self.pageNo + 1
                            } else {
                                if self.arrOfGlynkFeed == nil {
                                    self.arrOfGlynkFeed = arrOfFeed
                                }
                                self.isLoaded = true
                                print("Get Near By Feed Empty, PAGE NO: \(self.pageNo)")
                            }
                            self.tableViewForFeed.reloadData()
                        }


                } else {
                    print("Could not get json from file, make sure that file contains valid json.")
                }
            } catch let error {
                print(error.localizedDescription)
            }
        } else {
            print("Invalid filename/path.")
        }