每次用户在 firebase 存储中拍摄新照片时创建一个新图像

Question

In my app user presses the button to take the photo and then it uploads to firebase storage but every time I do a new photo the old one disappears and it replaces itself with the same url string as old one had before. How can I upload a new image every time the same user takes and uploads the photo?

Here is the code

let storage = Storage.storage().reference()
    guard  let imageData = ecoImage.jpegData(compressionQuality: 0.75) else {
        return
    }
    
    
        
    let metaData = StorageMetadata()
    metaData.contentType = "image/jpg"
    
    
    
        
        storage.child("pins/\("Eco1")").putData(imageData, metadata: metaData) { (meta, error) in
            if let err = error {
                print(err.localizedDescription)
            } else {
                storage.child("pins/\("Eco1")").downloadURL { (url, err) in
                    if let e = err {
                        print(e.localizedDescription)
                    } else {
                        let urlString = url?.absoluteString
                        doc.setData(["uid": uid, "pinLocation": ecoPin, "time": timeData, "url": urlString!]) { (error) in
                            if error != nil {
                                print(error?.localizedDescription)
                                return
                            } else {
                                print("Pin saved")
                            }
                        }
                    }
                }
            }
             print("Image sent")
        }

Answer 1

You need to generate the random file name for every time you put the new photo. In the code you provided, after the metadata, declare the variable with UUID.

let fname = UUID.init().uuidString.replacingOccurences(of: "-", with: "")

storage.child("pins/\(fname))...so on

This will generate the random file name each time you upload, and supposedly not replace your previous photo.