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url = URL(string: host + "/api/v1/user/avatar")
// generate boundary string using a unique per-app string
let boundary = UUID().uuidString
let session = URLSession.shared
// Set the URLRequest to POST and to the specified URL
var urlRequest = URLRequest(url: url!)
urlRequest.httpMethod = "POST"
// Set Content-Type Header to multipart/form-data, this is equivalent to submitting form data with file upload in a web browser
// And the boundary is also set here
urlRequest.setValue("multipart/form-data; boundary=\(boundary)", forHTTPHeaderField: "Content-Type")
var data = Data()
// Add the image data to the raw http request data
data.append("\r\n--\(boundary)\r\n".data(using: .utf8)!)
data.append("Content-Disposition: form-data; name=\"\(paramName)\"; filename=\"\(fileName)\"\r\n".data(using: .utf8)!)
data.append("Content-Type: image/png\r\n\r\n".data(using: .utf8)!)
data.append(image.pngData()!)
data.append("\r\n--\(boundary)--\r\n".data(using: .utf8)!)
// Send a POST request to the URL, with the data we created earlier
session.uploadTask(with: urlRequest, from: data, completionHandler: { responseData, response, error in
if error == nil {
let jsonData = try? JSONSerialization.jsonObject(with: responseData!, options: .allowFragments)
if let json = jsonData as? [String: Any] {
if let success = json["success"] as? Bool {
if success {
if let data = json["data"] as? [AnyHashable : String], let id = data["id"] {
completion(true, id)
return
}
}
}
}
}
completion(false, nil)
}).resume()K
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