Swift tableCellをロングタップした時、dialogのはいを押した瞬間に消えるはずが何故か消えませんその原因を教えてください。

前提・実現したいこと

tableCellを押した瞬間にdialogが出てきて、はいを押すとFirebase機能の　delete機能で、
tableCellが消えるはずなんですけど何故か消えません。何方か原因を教えてくれると助かります。

該当のソースコード

Swift
1extension MedicineViewController:MedicineViewDelegate  {
2func photoButtonTaped() {
3    
4    let PhotoViewController = self.storyboard?.instantiateViewController(withIdentifier: "PhotoViewController") as! MedicineViewController
5    self.navigationController?.pushViewController( PhotoViewController, animated: true)
6 }
7}
8
9
10class MedicineViewController: UIViewController,UITableViewDelegate,UITableViewDataSource, UISearchBarDelegate, UIGestureRecognizerDelegate{
11    
12    var medicineDataList:[MedicineData] = []
13    
14    var searchDataList:[MedicineData] = []
15    
16   
17   private let db = Firestore.firestore()
18
19    
20    let image = UIImage(named: "no image icon")
21    
22
23    
24
25    
26    
27   
28    @IBOutlet weak var medicineSearchBar: UISearchBar!
29    
30    @IBOutlet weak var tableView: UITableView!
31    
32    @IBOutlet weak var AddPageButton: UIButton!
33    
34     let userID = Auth.auth().currentUser?.uid
35    
36    var startingFrame : CGRect!
37    var endingFrame : CGRect!
38    
39    
40    func scrollViewDidScroll(_ scrollView: UIScrollView) {
41        
42    if (scrollView.contentOffset.y >= (scrollView.contentSize.height - scrollView.frame.size.height)) && self.AddPageButton.isHidden {
43        
44         self.AddPageButton.isHidden = false
45        
46         self.AddPageButton.frame = startingFrame
47        
48         UIView.animate(withDuration: 1.0) {
49            
50         self.AddPageButton.frame = self.endingFrame
51            }
52        }
53    }
54    
55        func configureSizes() {
56            let screenSize = UIScreen.main.bounds
57            let screenWidth = screenSize.width
58            let screenHeight = screenSize.height
59           startingFrame = CGRect(x: 0, y: screenHeight+100, width: screenWidth, height: 100)
60           endingFrame = CGRect(x: 0, y: screenHeight-100, width: screenWidth, height: 100)
61
62        }
63
64    
65  private func getData(){
66    //Firebaseのデータを取得してそれを配列にする
67        let Ref = Firestore.firestore().collection("users").document(userID!).collection("medicinedata")
68        
69        Ref.getDocuments(){(data, error)
70            in if let error = error{
71                print(error)
72                return
73        }
74            //querySnapshotにドキュメントデータが配列になって入っている。
75                      
76        self.medicineDataList = data!.documents.map { document in
77            let setdata = MedicineData(doc: document)
78            print(self.medicineDataList)
79            return setdata
80          }
81         //tableViewを更新
82        self.tableView.reloadData()
83      }
84    }
85    
86    
87    
88    
89    override func viewDidLoad() {
90        super.viewDidLoad()
91        getData()
92        AddPageButton.layer.cornerRadius = 32
93        medicineSearchBar.delegate = self
94        medicineSearchBar.placeholder = "診察科目を検索"
95        searchDataList = medicineDataList
96        tableView.tableFooterView = UIView()
97        tableView.delegate = self
98        tableView.dataSource = self
99        tableView.keyboardDismissMode = .onDrag
100        tableView.register(UINib(nibName:"CustomTableViewCell",bundle:nil), forCellReuseIdentifier: "Cell")
101        let  longPressRecognizer  = UILongPressGestureRecognizer(target: self, action:#selector(cellLongPressed))
102        longPressRecognizer.delegate = self
103        tableView.addGestureRecognizer(longPressRecognizer)
104        self.navigationItem.hidesBackButton = true
105    }
106    
107    
108    override func viewWillAppear(_ animated: Bool) {
109           super.viewWillAppear(animated)
110           tableView.keyboardDismissMode = .onDrag
111           getData()
112       }
113    
114   @objc func cellLongPressed(sender: UILongPressGestureRecognizer) {
115        
116        let point:CGPoint = sender.location(in: tableView)
117        let indexPath = tableView.indexPathForRow(at: point)
118        let hospital = medicineDataList[indexPath!.row].hospitalData!
119        let time = medicineDataList[indexPath!.row].time!
120        
121        if  indexPath != nil {
122           if sender.state == UIGestureRecognizer.State.began {
123                
124            let dialog = UIAlertController(title:"(String(describing: hospital))を削除しますか？", message:nil, preferredStyle: .alert)
125            let yesAction = UIAlertAction(title: "はい", style: .default, handler:{
126               action in
127               self.db.collection("users").document("(self.userID!)").collection("medicinedata").document("(String(describing: time))").delete(){ err in
128                  if let err = err {
129                    print("削除できませんでした：(err)")
130                  }else {
131                   print("削除しました。")
132                }
133            }
134                self.tableView.reloadData()
135        })
136            
137        let noAction = UIAlertAction(title: "いいえ", style: .default, handler:nil)
138        
139        dialog.addAction(yesAction)
140        dialog.addAction(noAction)
141        
142        self.present(dialog, animated: true, completion: nil)
143     }
144        
145    }
146    self.tableView.reloadData()
147   }
148    //画面をタッチしたらキーボードを閉じる
149    override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
150        self.view.endEditing(true)
151    }
152    //検索を押したときの処理
153   func searchBarSearchButtonClicked(_ searchBar: UISearchBar) {
154            searchBar.resignFirstResponder()
155            self.view.endEditing(true)
156            searchBar.showsCancelButton = true
157    DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
158        //検索機能
159        if let text = self.medicineSearchBar.text {
160        if text == "" {
161            self.searchDataList = self.medicineDataList
162            self.tableView.reloadData()
163        }else {
164            self.searchDataList = self.medicineDataList.filter{ (data) -> Bool in
165                return (data.examinationData?.contains(text))!
166              }
167            self.tableView.reloadData()
168         }
169       }
170     }
171   }
172    //キャンセルボタンの処理
173    func searchBarCancelButtonClicked(_ searchBar: UISearchBar) {
174          searchBar.showsCancelButton = false
175          self.view.endEditing(true)
176        medicineSearchBar.text = ""
177        self.tableView.reloadData()
178    }
179      //キャンセルボタンを表示させる処理
180      func searchBarShouldBeginEditing(_ searchBar: UISearchBar) -> Bool {
181          searchBar.showsCancelButton = true
182          return true
183    }
184    
185    
186    
187    
188  
189    
190    @IBAction func AddPageButton(_ sender: Any) {
191        let AddViewController = self.storyboard?.instantiateViewController(withIdentifier: "AddViewController") as! AddViewController
192        self.navigationController?.pushViewController(AddViewController, animated: true)
193    }
194    
195     func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
196        if medicineSearchBar.text! == ""{
197            return medicineDataList.count
198        }else {
199            return searchDataList.count
200        }
201    }
202    
203    
204    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
205        let cell = tableView.dequeueReusableCell(withIdentifier: "Cell", for: indexPath) as!  CustomTableViewCell
206    
207        
208        if medicineSearchBar.text! == ""{
209            let medicalList = self.medicineDataList[indexPath.row]
210            
211            cell.examinationName.text = medicalList.examinationData
212            cell.hospitalName.text = medicalList.hospitalData
213            cell.timeLabel.text = medicalList.time
214            cell.imagePageButton.setBackgroundImage != nil ? cell.imagePageButton.setBackgroundImage(UIImage(named: "(String(describing: medicalList.photoData))"), for: .normal) : cell.imagePageButton.setBackgroundImage( image, for: .normal)
215           
216        }else{
217            
218            let searchList =  self.searchDataList[indexPath.row]
219            cell.examinationName.text = searchList.examinationData
220            cell.hospitalName.text = searchList.hospitalData
221            cell.timeLabel.text = searchList.time
222            cell.imagePageButton.image != nil ? cell.imagePageButton.setImage( UIImage(named: "(String(describing: searchList.photoData))"), for: .normal) : cell.imagePageButton.setImage( image, for: .normal)
223        }
224        return cell
225    }
226    
227    func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
228        return 85
229    }
230    
231    
232    
233 }
234