101 lines
3.1 KiB
Swift
101 lines
3.1 KiB
Swift
//
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// SBUBaseChannelListViewModel.swift
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// SendbirdUIKit
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//
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// Created by Tez Park on 2022/08/21.
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// Copyright © 2022 Sendbird, Inc. All rights reserved.
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//
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import UIKit
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import SendbirdChatSDK
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public protocol SBUBaseChannelListViewModelDelegate: SBUCommonViewModelDelegate {}
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open class SBUBaseChannelListViewModel: NSObject {
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// MARK: - Property (private)
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weak var baseDelegate: SBUBaseChannelListViewModelDelegate?
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var isLoading = false
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// MARK: - Life Cycle
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/// This function initializes the ViewModel.
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/// - Parameters:
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/// - delegate: This is used to receive events that occur in the view model
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/// - channelListQuery: This is used to use customized channelListQuery.
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public init(
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delegate: SBUBaseChannelListViewModelDelegate?
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) {
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self.baseDelegate = delegate
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super.init()
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SendbirdChat.addConnectionDelegate(
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self,
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identifier: "\(SBUConstant.connectionDelegateIdentifier).\(self.description)"
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)
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}
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deinit {
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self.reset()
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SendbirdChat.removeConnectionDelegate(
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forIdentifier: "\(SBUConstant.connectionDelegateIdentifier).\(self.description)"
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)
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}
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// MARK: - List handling
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/// This function initialize the channel list. the channel list will reset.
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public func initChannelList() {
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SBULog.info("[Request] Next channel List")
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SendbirdUI.connectIfNeeded { [weak self] _, error in
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if let error = error {
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self?.baseDelegate?.didReceiveError(error, isBlocker: true)
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return
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}
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self?.baseDelegate?.connectionStateDidChange(true)
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self?.loadNextChannelList(reset: true)
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}
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}
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/// This function loads the channel list. If the reset value is `true`, the channel list will reset.
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/// - Parameter reset: To reset the channel list
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public func loadNextChannelList(reset: Bool) {
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SBULog.info("[Request] Next channel List")
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}
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/// This function resets channelList
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public func reset() {}
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// MARK: - SDK Relations
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// MARK: - Common
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/// This is used to check the loading status and control loading indicator.
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/// - Parameters:
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/// - loadingState: Set to true when the list is loading.
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/// - showIndicator: If true, the loading indicator is started, and if false, the indicator is stopped.
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private func setLoading(_ loadingState: Bool, _ showIndicator: Bool) {
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self.isLoading = loadingState
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self.baseDelegate?.shouldUpdateLoadingState(showIndicator)
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}
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}
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// MARK: ConnectionDelegate
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extension SBUBaseChannelListViewModel: ConnectionDelegate {
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open func didSucceedReconnection() {
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SBULog.info("Did succeed reconnection")
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SendbirdUI.updateUserInfo { error in
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if let error = error {
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SBULog.error("[Failed] Update user info: \(error.localizedDescription)")
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}
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}
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self.baseDelegate?.connectionStateDidChange(true)
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}
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}
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