platform-ios/RainbowPlanet/RainbowPlanet/Modules/CommunityModule/CommunityMyFollowTopic/ViewController/CommunityMyFollowTopicController.swift

//
//  CommunityMyFollowTopicController.swift
//  RainbowPlanet
//
//  Created by Christopher on 2019/6/12.
//  Copyright © 2019 RainbowPlanet. All rights reserved.
//

import UIKit
import SwiftyMediator

class CommunityMyFollowTopicController: BaseViewController {
        
    var communityMemberFollowTopicListDataModels = Array<CommunityMemberFollowTopicListDataModel>()
    
    override func viewDidLoad() {
        super.viewDidLoad()
        setupViews()
        setupLayouts()
        setupData()
        
    }
    
    override func setupViews() {
        navigationBar.title = "我的关注话题"
        view.backgroundColor = kf7f8faColor
        view.addSubview(tableView)
    }
    
    override func setupLayouts() {
        tableView.snp.makeConstraints { (make) in
            make.top.equalToSuperview().offset(kNavBarTotalHeight)
            make.left.right.bottom.equalTo(0)
        }
        
        if #available(iOS 11.0, *) {
            tableView.contentInsetAdjustmentBehavior =  .never
        }
    }
    
    override func setupData() {
        
        let emptyView = DIYEmptyView.emptyActionView(withImageStr: "default_page_topic", titleStr: nil, detailStr: "暂无关注，去发现好玩的话题吧", btnTitleStr: "去首页") {
            [weak self] in
            self?.tabBarController?.selectedIndex = 0
            self?.navigationController?.popToClass(type: CommunityViewController.self)
        }
        emptyView?.actionBtnHorizontalMargin = 58
        emptyView?.contentViewY = kScaleValue(value: 164)
        emptyView?.subViewMargin = 20
        emptyView?.actionBtnFont = kBoldFont16
        emptyView?.actionBtnHeight = 32
        emptyView?.actionBtnCornerRadius = 32/2
        emptyView?.actionBtnTitleColor = kffffffColor
        emptyView?.actionBtnBackGroundColor = kThemeColor
        emptyView?.detailLabFont = kRegularFont14
        tableView.ly_emptyView = emptyView
        tableView.ly_startLoading()
        
        tableView.addHeaderWithHeader(withBeginRefresh: true, animation: false) {
            [weak self] (page) in
            self?.communityMemberFollowTopicListApi(page: page)
        }
        tableView.addFooterWithWithHeader(withAutomaticallyRefresh: false) {
            [weak self] (page) in
            self?.communityMemberFollowTopicListApi(page: page)
        }
    }
    
    lazy var tableView: UITableView = {
        let tableView = UITableView(frame: CGRect.zero, style: UITableView.Style.grouped)
        tableView.separatorStyle = .none
        tableView.backgroundColor = kf7f8faColor
        tableView.dataSource = self
        tableView.delegate = self
        tableView.rowHeight = 60
        return tableView
    }()
}

extension CommunityMyFollowTopicController {
    //我的关注话题
    func communityMemberFollowTopicListApi(page:Int) {
        SwiftMoyaNetWorkServiceCommunity.shared().communityMemberFollowTopicListApi(page: page) {
            [weak self] (communityMemberFollowTopicListModel) -> (Void) in
            let communityMemberFollowTopicListModel = communityMemberFollowTopicListModel as? CommunityMemberFollowTopicListModel
            if communityMemberFollowTopicListModel?.pagination?.currentPage ?? 1  <= communityMemberFollowTopicListModel?.pagination?.totalPages ?? 1 {
                if communityMemberFollowTopicListModel?.pagination?.currentPage == 1{
                    self?.communityMemberFollowTopicListDataModels.removeAll()
                }
                self?.communityMemberFollowTopicListDataModels = (self?.communityMemberFollowTopicListDataModels)! + (communityMemberFollowTopicListModel?.data!)!
                self?.tableView.reloadData()
                if  self?.communityMemberFollowTopicListDataModels.count ?? 0 >= communityMemberFollowTopicListModel?.pagination?.total ?? 0 {
                    self?.tableView.endFooterNoMoreData()
                }
            }else {
                self?.tableView.endFooterNoMoreData()
            }
        }
    }
}

// MARK: - tableView dataSource && delegate
extension CommunityMyFollowTopicController: UITableViewDataSource, UITableViewDelegate {
    func numberOfSections(in tableView: UITableView) -> Int {
        return 1
    }
    
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return communityMemberFollowTopicListDataModels.isEmpty ? 0 : communityMemberFollowTopicListDataModels.count
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = CommunityMyFollowTopicCell.cellWith(tableView: tableView, indexPath: indexPath)
        cell.communityMemberFollowTopicListDataModel = communityMemberFollowTopicListDataModels[indexPath.row]
        return cell
    }
    
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        tableView.deselectRow(at: indexPath, animated: true)
        
        Mediator.push(CommunityRouterModuleType.pushFeaturedTopics(id: communityMemberFollowTopicListDataModels[indexPath.row].topicId ?? 0))

    }
    
    func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
        return 60
    }
    
    func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
        return 10
    }
    
    func tableView(_ tableView: UITableView, heightForFooterInSection section: Int) -> CGFloat {
        return 0
    }
    
    func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
        return nil
    }
    
    func tableView(_ tableView: UITableView, viewForFooterInSection section: Int) -> UIView? {
        return nil
    }
    
}