Question

原因是我的代码编写得不太好，而且我想不出更好的方法。

当前，我正在使用For语句从集合中检索特定文档。然后，我将结果分为2个单独的数组（“已完成”和“仍待完成”）。

现在，如果文档进行了更改，例如，某个用户完成了工作……它将从部件阵列中删除并追加到部件部件阵列中。但是，我目前在TableView中出现了更改的文档中出现的多个对象。任何人都可以建议一种更好的方式来检索此信息吗？

func getPartInfo(handleComplete: @escaping () -> Void) {

    self.parts.removeAll()
    self.partsCompl.removeAll()

    for eachPart in (job?.jobArray)! {

        self.partsListener = firestore.collection(PARTINFO_REF).document(eachPart)
            .addSnapshotListener { documentSnapshot, error in
                guard let document = documentSnapshot else {
                    //print("Error fetching document: \(error!)")
                    return
                }

                self.partInfo = PartInfo.parseDocData(documentSnapshot: document)

                let array = self.jobData?.jobCompl ?? [""]
                let issueDoc = self.partInfo?.documentId ?? ""

                if array.contains(issueDoc) {
                    self.partsCompl.append(self.partInfo!)
                    print("PART HAS BEEN COMPLETED")
                } else {
                    self.parts.append(self.partInfo!)
                    print("PART HAS NOT BEEN COMPLETED")
                }

                self.tableView.reloadData()

                let totalCount = self.parts.count + self.partsCompl.count

                if totalCount == self.job?.jobArray.count {
                    handleComplete()
                } else {
                    print("Still more to complete")
                }
        }
    }
}


func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {

    let cell = tableView.dequeueReusableCell(withIdentifier: "remJob") as! RemJobTableViewCell

    let storage = Storage.storage()
    switch segmentControl.selectedSegmentIndex {

    case 0:
        if job?.jobType == "Ins" {

            let imageFOr = NSURL(string: parts[indexPath.row].partImage)

            ImageService.getImage(withURL: imageFOr! as URL) { image in
                cell.issueImage?.image = image
            }


            cell.issueTitle.text = parts[indexPath.row].partNumber ?? ""
            cell.partNumberLabel.text = parts[indexPath.row].type ?? ""
            cell.locationLabel.text = "\(parts[indexPath.row].tagID ?? "") | \(parts[indexPath.row].area ?? "")"


            return cell

    case 1:

        if job?.jobType == "Ins" {

            let imageFOr = NSURL(string: partsCompl[indexPath.row].partImage)

            ImageService.getImage(withURL: imageFOr! as URL) { image in
                cell.issueImage?.image = image
            }

            cell.issueTitle.text = partsCompl[indexPath.row].partNumber ?? ""
            cell.partNumberLabel.text = partsCompl[indexPath.row].type ?? ""
            cell.locationLabel.text = "\(partsCompl[indexPath.row].tagID ?? "") | \(partsCompl[indexPath.row].area ?? "")"



                return cell

Firestore侦听器复制数组（tableview）中的对象

0 个答案: