Sending POST request to API using Alamofire

Question

So Im using an API for an app that helps me store data for events where i send data to the API entered/selected by the user store it and get back an ID to reference to later. Here is some code that Im using.

JSON accepted by API

    {
   "topic":"test shedule",
   "setdate":"21-09-2017",
   "scheduledate":"22-09-2017",
   "settime":"09:00:00",
   "scheduletime":"10:00:00",
   "agenda":"hi this is test agenda",

   "adminname":"name",
   "type":"meeting",
    "users": "[{\"category\":\"optional\",\"email\":\"[e-mail]\"}]",
   "adminemail":"[e-mail]"
 }

Data Im Sending using Alamofire\

let parameters: Parameters = [
            "topic":topicTextField.text!,
            "setdate":currentDate as String,
            "scheduledate":setDate as String,
            "settime":currentTime as String,
            "scheduletime":setTime as String,
            "agenda":agendaTextField.text!,
            "adminname":"abcname",
            "type":"meeting",
            "users" : "\(smembers)",
            "adminemail":"[e-mail]"
        ]

        Alamofire.request("\(baseURL)meeting_shedule.php",method: .post, parameters: parameters).responseJSON { response in
            if let dict = response.result.value as? Dictionary<String, AnyObject> {
                let topic = dict["topic"] as? String
                let g_id = dict["g_id"] as? String

                self.storeMeeting(topic: topic!, g_id: g_id!)

            }
        }

smembers is an array created from the dictionary selectedMembers and the dictionary selectedMembers comes from a different ViewController by using prepare for segue

    var selectedMembers = [String: String]()
    var smembers = [Any]()
    var selected = [String: String]()

if selectedMembers.isEmpty == false {
            for (key, value) in selectedMembers {
                selected = ["email":key, "category":value]
                smembers.append(selected)
            }
        }

The Problem

Im facing a failure response from api. i think the problem is sending "users" to the API as the API is asking for data in string form and Im sending an array i have even tried to solve this problem by converting smembers to jsonstring by serialization but still returns failure.

Image of error Im receiving

The api works when Im sending request through post man like this.

I have no clue how to approach this problem, how to send the data that the API will accept.

Thanks for your help

Answer 1

Change logic in as shown bellow

  var selectedMembers = [String: String]()
    var smembers = [String]()
    var selected = ""

if selectedMembers.isEmpty == false {
            for (key, value) in selectedMembers {
                selected = String(format: "{\"\\email\\\":\"\\%@\"\\,\"\\category\"\\:\"\\%@\"\\}", arguments: [key,value])
                smembers.append(selected)
            }
        }

Then in ur post data

let parameters: Parameters = [
            "topic":topicTextField.text!,
            "setdate":currentDate as String,
            "scheduledate":setDate as String,
            "settime":currentTime as String,
            "scheduletime":setTime as String,
            "agenda":agendaTextField.text!,
            "adminname":"abcname",
            "type":"meeting",
            "users" :"[\(smembers.joined(separator: ","))]",
            "adminemail":"[e-mail]"
        ]