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PullToRefreshModel is use to handle pagination
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// | |
// PullToRefreshModel.swift | |
// BaseProject | |
// | |
// Created by AshvinGudaliya on 22/06/18. | |
// Copyright © 2018 Ashvin Gudaliya. All rights reserved. | |
// | |
import UIKit | |
class PullToRefreshModel { | |
private var isLastData: Bool = false | |
private var isWebDataLoaded: Bool = false | |
private var isWebServicesCallRuning: Bool = false | |
private var page: Int = 0 | |
private var isFailedWebApi: Bool = false | |
init(page: Int) { | |
self.page = page | |
isLastData = false | |
isWebDataLoaded = false | |
isWebServicesCallRuning = false | |
isFailedWebApi = false | |
} | |
func resetWithPage(page: Int) { | |
self.page = page | |
isLastData = false | |
isWebDataLoaded = false | |
isFailedWebApi = false | |
} | |
func getPageIndex() -> String { return page.string } | |
func isLoadMoreDataWebservices(index: IndexPath, data: [Any], completionsHandler: (() -> Void)) { | |
if !isLastData && !isWebServicesCallRuning && data.count != 0 && !isFailedWebApi && index.row != 0{ | |
if (data.count - 3) <= index.row { | |
self.start() | |
completionsHandler() | |
} | |
} | |
} | |
func showSkeltoneView(data: [Any]) -> Bool { | |
return data.count == 0 && !self.isWebDataLoaded && !self.isFailedWebApi | |
} | |
func responseData(withNewData data: [Any]) { | |
if data.count == 0 { | |
isLastData = true | |
} | |
else{ | |
isLastData = false | |
page += 1 | |
} | |
self.isWebDataLoaded = true | |
self.isFailedWebApi = false | |
} | |
func apiFailer() { | |
self.stop() | |
self.isFailedWebApi = true | |
} | |
func start() { | |
self.isWebServicesCallRuning = true | |
} | |
func stop() { | |
self.isWebServicesCallRuning = false | |
} | |
} |
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