今回の内容
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UITextFieldに入力された値から検索をして、取得したデータをUITableViewに表示していきます。
コード
Model
EbookDetailDatas
struct EbookDetailDatas{
let mediumImageUrl:String?
let title:String?
let author:String?
let itemCaption:String?
}
AlamofireProcess
import Alamofire
import SwiftyJSON
class AlamofireProcess{
private var privateMediumImageUrl:String?
private var privateTitle:String?
private var privateAuthor:String?
private var privateItemCaption:String?
private var resultEbookDetailArray = [EbookDetailDatas]()
}
extension AlamofireProcess{
public func getEbookDetailData(searchKeyWord:String?,completion: @escaping ([EbookDetailDatas]?,Error?) -> Void){
guard let keyword = searchKeyWord else { return }
let apiKey = "https://app.rakuten.co.jp/services/api/BooksCD/Search/20170404?format=json&artistName=\(keyword.urlEncoded)&hits=30&applicationId=アプリID"
AF.request(apiKey, method: .get, parameters: nil, encoding: JSONEncoding.default).responseJSON {[self] response in
switch response.result{
case .success:
let detailData = JSON(response.data as Any)
print(detailData)
for dataCount in 0..<30{
getDataNilCheck(mediumImageUrlCheck: detailData["Items"][dataCount]["Item"]["mediumImageUrl"].string,
titleCheck: detailData["Items"][dataCount]["Item"]["title"].string,
authorCheck: detailData["Items"][dataCount]["Item"]["author"].string,
itemCaptionCheck: detailData["Items"][dataCount]["Item"]["itemCaption"].string)
resultEbookDetailArray.append(EbookDetailDatas(mediumImageUrl: privateMediumImageUrl,
title: privateTitle,
author: privateAuthor,
itemCaption: privateItemCaption))
}
print(resultEbookDetailArray)
completion(resultEbookDetailArray, nil)
case .failure(let error):
completion(nil, error)
}
}
}
}
extension AlamofireProcess{
private func getDataNilCheck(mediumImageUrlCheck:String?,titleCheck:String?,authorCheck:String?,itemCaptionCheck:String?){
if mediumImageUrlCheck != nil{
privateMediumImageUrl = mediumImageUrlCheck
}else{
privateMediumImageUrl = "nosign"
}
if titleCheck != nil{
privateTitle = titleCheck
}else{
privateTitle = "読み込みエラー"
}
if authorCheck != nil{
privateAuthor = authorCheck
}else{
privateAuthor = "読み込みエラー"
}
if itemCaptionCheck != nil{
privateItemCaption = itemCaptionCheck
}else{
privateItemCaption = "読み込みエラー"
}
}
}
extension String{
var urlEncoded:String{
let charset = CharacterSet.alphanumerics.union(.init(charactersIn: "/?-._~"))
let remove = removingPercentEncoding ?? self
return remove.addingPercentEncoding(withAllowedCharacters: charset) ?? remove
}
}
View
Main.storyboard
TableViewCustomCell
import UIKit
class TableViewCustomCell: UITableViewCell {
@IBOutlet weak var mediumImageView: UIImageView!
@IBOutlet weak var titleLabel: UILabel!
@IBOutlet weak var authorLabel: UILabel!
@IBOutlet weak var itemCaptionTextView: UITextView!
override func awakeFromNib() {
super.awakeFromNib()
// Initialization code
}
override func setSelected(_ selected: Bool, animated: Bool) {
super.setSelected(selected, animated: animated)
// Configure the view for the selected state
}
required init?(coder: NSCoder) {
super.init(coder: coder)
}
override func prepareForReuse() {
super.prepareForReuse()
mediumImageView.image = UIImage(named: "")
titleLabel.text = ""
authorLabel.text = ""
itemCaptionTextView.text = ""
}
}
Controller
import UIKit
import SDWebImage
class ViewController: UIViewController {
@IBOutlet weak var searchTextField: UITextField!
@IBOutlet weak var searchButton: UIButton!
@IBOutlet weak var resultTableView: UITableView!
private let alamofireProcess = AlamofireProcess()
private var cellContentsArray = [EbookDetailDatas]()
override func viewDidLoad() {
super.viewDidLoad()
resultTableView.register(UINib(nibName: "TableViewCustomCell", bundle: nil), forCellReuseIdentifier: "EbookDetailCell")
resultTableView.delegate = self
resultTableView.dataSource = self
}
@IBAction func search(_ sender: UIButton) {
alamofireProcess.getEbookDetailData(searchKeyWord: searchTextField.text) { result, error in
if error != nil{
return
}
DispatchQueue.main.asyncAfter(deadline: .now() + 5) {[self] in
cellContentsArray = result!
resultTableView.reloadData()
}
}
}
}
extension ViewController:UITableViewDelegate{
func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
return tableView.frame.height / 3.5
}
}
extension ViewController:UITableViewDataSource{
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return cellContentsArray.count
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: "EbookDetailCell", for: indexPath) as! TableViewCustomCell
cell.mediumImageView.sd_setImage(with: URL(string: cellContentsArray[indexPath.row].mediumImageUrl!), completed: nil)
cell.titleLabel.text = cellContentsArray[indexPath.row].title
cell.authorLabel.text = cellContentsArray[indexPath.row].author
cell.itemCaptionTextView.text = cellContentsArray[indexPath.row].itemCaption
return cell
}
}
終わり
ご指摘、ご質問などありましたら、コメントまでお願い致します。