how to parse a JSON with Array of Dictionaries iOS swift - ios

Question

I am having a JSON array which looks like this:
func fetchProfessionalData() {
guard let url = URL(string:"urlString") else { return }
let parameters = ["Address":""] as [String : Any]
Alamofire.request(url, method: .post, parameters:parameters,encoding: JSONEncoding.default, headers: nil).responseJSON {
response in
switch response.result {
case .success:
let jsonData = response.result.value as! NSArray
print("response:\(jsonData)")
}
self.listTableView.reloadData()
break
case .failure(let error):
print(error)
}
}
}
this is the output I'm getting when I print it:
response: [
{
"userId": 2,
"userName": "jhonsmith",
"password": "1234",
"userTypeId": 3,
"firstName": "jhon",
"lastName": "smith",
"dob": "0004-03-04T00:00:00",
"phoneNumber": "40556677",
"mobile": "324",
"email": "jhon",
"profilePic": "avatar3.jpg",
"profileImage": null,
"isDeleted": false,
"company": "",
"experience": "2 years",
"about": "I am expertised in beauty care",
"addressId": 2,
"addressLine1": "7 Freymuth Rd",
"addressLine2": "",
"city": "St.Louis",
"state": "MO",
"country": "USA",
"zipCode": "63367",
"serviceProviderId": 0,
"serviceId": 0,
"subServiceId": 0,
"relevantExp": null,
"costPerHour": 0,
"spbRow": null,
"lstServiceProviders": [
{
"serviceId": 3,
"serviceName": "BeautyCare",
"serviceDescription": null,
"serviceLogo": null,
"serviceIsDeleted": false,
"serviceIdFK": 0,
"subServiceId": 5,
"subServiceName": "HairCare",
"subServiceDescription": null,
"subServiceLogo": null,
"subServiceIsDeleted": false,
"costPerHour": 500,
"serviceProviderId": 2,
"providerServiceId": 1
},
{
"serviceId": 4,
"serviceName": "Carpentry",
"serviceDescription": null,
"serviceLogo": null,
"serviceIsDeleted": false,
"serviceIdFK": 0,
"subServiceId": 6,
"subServiceName": "All Carpentry",
"subServiceDescription": null,
"subServiceLogo": null,
"subServiceIsDeleted": false,
"costPerHour": 400,
"serviceProviderId": 2,
"providerServiceId": 1002
}
],
"rating": 3,
"price": 0,
"searchLocationId": 0
},
{
"userId": 4,
"userName": "User",
"password": "new",
"userTypeId": 3,
"firstName": "Emma",
"lastName": "Williams",
"dob": "1998-06-23T00:00:00",
"phoneNumber": "7787787887",
"mobile": "9879789990",
"email": "user#testmail.com",
"profilePic": "avatar4.jpg",
"profileImage": null,
"isDeleted": false,
"company": "",
"experience": "2 years",
"about": "Test",
"addressId": 4,
"addressLine1": "Big river dr",
"addressLine2": "",
"city": "St.Louis",
"state": "MO",
"country": "USA",
"zipCode": "63367",
"serviceProviderId": 0,
"serviceId": 0,
"subServiceId": 0,
"relevantExp": null,
"costPerHour": 0,
"spbRow": null,
"lstServiceProviders": [
{
"serviceId": 1,
"serviceName": "Cleaning",
"serviceDescription": null,
"serviceLogo": null,
"serviceIsDeleted": false,
"serviceIdFK": 0,
"subServiceId": 1,
"subServiceName": "Dusting",
"subServiceDescription": null,
"subServiceLogo": null,
"subServiceIsDeleted": false,
"costPerHour": 2,
"serviceProviderId": 4,
"providerServiceId": 3
}
],
"rating": 0,
"price": 0,
"searchLocationId": 0
},
{
"userId": 5,
"userName": "RobertThomas",
"password": "rb",
"userTypeId": 3,
"firstName": "Robert",
"lastName": "Thomas",
"dob": "1999-01-04T00:00:00",
"phoneNumber": "889955643",
"mobile": "1234567890",
"email": "rb1234#testmail.com",
"profilePic": "th.jpg",
"profileImage": null,
"isDeleted": false,
"company": "",
"experience": "1 Year",
"about": "Robert Thomas",
"addressId": 5,
"addressLine1": "Little Piney Dr",
"addressLine2": "",
"city": "St.Louis",
"state": "MO",
"country": "USA",
"zipCode": "63367",
"serviceProviderId": 0,
"serviceId": 0,
"subServiceId": 0,
"relevantExp": null,
"costPerHour": 0,
"spbRow": null,
"lstServiceProviders": [
{
"serviceId": 2,
"serviceName": "ChildCare",
"serviceDescription": null,
"serviceLogo": null,
"serviceIsDeleted": false,
"serviceIdFK": 0,
"subServiceId": 3,
"subServiceName": "Baby Sitting",
"subServiceDescription": null,
"subServiceLogo": null,
"subServiceIsDeleted": false,
"costPerHour": 7,
"serviceProviderId": 5,
"providerServiceId": 4
}
],
"rating": 0,
"price": 0,
"searchLocationId": 0
}
]
Now I am having a tableViewCell where I have to show "userName", "profilePic","rating","email" and "serviceName" under "lstServiceProviders".So far I am able to show name,image,email,rating but "lstServiceProviders" is another array of dictionaries. I want to show all the services provided by that serviceProvider in cell.
lets say in json 1st dict the "userName":"jhonsmith" is having "lstServicePrpviders" with an array of two dictionaries with "serviceName": "BeautyCare" in 1st Dict and "serviceName":"Carpentry" in 2nd Dict. I want to show both BeautyCare and Carpentry in one cell. how to do this.
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let listCell = tableView.dequeueReusableCell(withIdentifier: "listCell", for: indexPath) as! ListTableViewCell
let string = "imageBaseUrl\(models![indexPath.row].profilePic!)"
let escapedAddress = string.addingPercentEncoding(
withAllowedCharacters: CharacterSet.urlQueryAllowed)
listCell.listCellImage.image = UIImage(url: URL(string: escapedAddress!))
listCell.listCellNamesLabel.text = models![indexPath.row].userName!
let rating = models![indexPath.row].rating!
listCell.listCellRating.text = "(\(rating)/5 & 5 Comments)"
listCell.listCellStarRating.text = ratingArray[indexPath.row]
for i in 0..< models![indexPath.row].lstServiceProviders!.count {
listCell.listCellServicesLbl.text =
models![indexPath.row].lstServiceProviders[i].serviceName
}
return listCell
}

Answer 1

[Swift 4] You can use models with Codable to easily manage your tableviewcell.
See the Code below and run in a playground, you will understand that i have created model objects which is easy to loop and manage:
var json = """
[
{
"userId": 2,
"userName": "jhonsmith",
"password": "1234",
"userTypeId": 3,
"firstName": "jhon",
"lastName": "smith",
"dob": "0004-03-04T00:00:00",
"phoneNumber": "40556677",
"mobile": "324",
"email": "jhon",
"profilePic": "avatar3.jpg",
"profileImage": null,
"isDeleted": false,
"company": "",
"experience": "2 years",
"about": "I am expertised in beauty care",
"addressId": 2,
"addressLine1": "7 Freymuth Rd",
"addressLine2": "",
"city": "St.Louis",
"state": "MO",
"country": "USA",
"zipCode": "63367",
"serviceProviderId": 0,
"serviceId": 0,
"subServiceId": 0,
"relevantExp": null,
"costPerHour": 0,
"spbRow": null,
"lstServiceProviders": [
{
"serviceId": 3,
"serviceName": "BeautyCare",
"serviceDescription": null,
"serviceLogo": null,
"serviceIsDeleted": false,
"serviceIdFK": 0,
"subServiceId": 5,
"subServiceName": "HairCare",
"subServiceDescription": null,
"subServiceLogo": null,
"subServiceIsDeleted": false,
"costPerHour": 500,
"serviceProviderId": 2,
"providerServiceId": 1
},
{
"serviceId": 4,
"serviceName": "Carpentry",
"serviceDescription": null,
"serviceLogo": null,
"serviceIsDeleted": false,
"serviceIdFK": 0,
"subServiceId": 6,
"subServiceName": "All Carpentry",
"subServiceDescription": null,
"subServiceLogo": null,
"subServiceIsDeleted": false,
"costPerHour": 400,
"serviceProviderId": 2,
"providerServiceId": 1002
}
],
"rating": 3,
"price": 0,
"searchLocationId": 0
},
{
"userId": 4,
"userName": "User",
"password": "new",
"userTypeId": 3,
"firstName": "Emma",
"lastName": "Williams",
"dob": "1998-06-23T00:00:00",
"phoneNumber": "7787787887",
"mobile": "9879789990",
"email": "user#testmail.com",
"profilePic": "avatar4.jpg",
"profileImage": null,
"isDeleted": false,
"company": "",
"experience": "2 years",
"about": "Test",
"addressId": 4,
"addressLine1": "Big river dr",
"addressLine2": "",
"city": "St.Louis",
"state": "MO",
"country": "USA",
"zipCode": "63367",
"serviceProviderId": 0,
"serviceId": 0,
"subServiceId": 0,
"relevantExp": null,
"costPerHour": 0,
"spbRow": null,
"lstServiceProviders": [
{
"serviceId": 1,
"serviceName": "Cleaning",
"serviceDescription": null,
"serviceLogo": null,
"serviceIsDeleted": false,
"serviceIdFK": 0,
"subServiceId": 1,
"subServiceName": "Dusting",
"subServiceDescription": null,
"subServiceLogo": null,
"subServiceIsDeleted": false,
"costPerHour": 2,
"serviceProviderId": 4,
"providerServiceId": 3
}
],
"rating": 0,
"price": 0,
"searchLocationId": 0
},
{
"userId": 5,
"userName": "RobertThomas",
"password": "rb",
"userTypeId": 3,
"firstName": "Robert",
"lastName": "Thomas",
"dob": "1999-01-04T00:00:00",
"phoneNumber": "889955643",
"mobile": "1234567890",
"email": "rb1234#testmail.com",
"profilePic": "th.jpg",
"profileImage": null,
"isDeleted": false,
"company": "",
"experience": "1 Year",
"about": "Robert Thomas",
"addressId": 5,
"addressLine1": "Little Piney Dr",
"addressLine2": "",
"city": "St.Louis",
"state": "MO",
"country": "USA",
"zipCode": "63367",
"serviceProviderId": 0,
"serviceId": 0,
"subServiceId": 0,
"relevantExp": null,
"costPerHour": 0,
"spbRow": null,
"lstServiceProviders": [
{
"serviceId": 2,
"serviceName": "ChildCare",
"serviceDescription": null,
"serviceLogo": null,
"serviceIsDeleted": false,
"serviceIdFK": 0,
"subServiceId": 3,
"subServiceName": "Baby Sitting",
"subServiceDescription": null,
"subServiceLogo": null,
"subServiceIsDeleted": false,
"costPerHour": 7,
"serviceProviderId": 5,
"providerServiceId": 4
}
],
"rating": 0,
"price": 0,
"searchLocationId": 0
}
]
""".data(using: .utf8)
struct LstServiceProviders : Codable {
let serviceId : Int?
let serviceName : String?
let serviceDescription : String?
let serviceLogo : String?
let serviceIsDeleted : Bool?
let serviceIdFK : Int?
let subServiceId : Int?
let subServiceName : String?
let subServiceDescription : String?
let subServiceLogo : String?
let subServiceIsDeleted : Bool?
let costPerHour : Int?
let serviceProviderId : Int?
let providerServiceId : Int?
enum CodingKeys: String, CodingKey {
case serviceId = "serviceId"
case serviceName = "serviceName"
case serviceDescription = "serviceDescription"
case serviceLogo = "serviceLogo"
case serviceIsDeleted = "serviceIsDeleted"
case serviceIdFK = "serviceIdFK"
case subServiceId = "subServiceId"
case subServiceName = "subServiceName"
case subServiceDescription = "subServiceDescription"
case subServiceLogo = "subServiceLogo"
case subServiceIsDeleted = "subServiceIsDeleted"
case costPerHour = "costPerHour"
case serviceProviderId = "serviceProviderId"
case providerServiceId = "providerServiceId"
}
}
struct RootModel : Codable {
let userId : Int?
let userName : String?
let password : String?
let userTypeId : Int?
let firstName : String?
let lastName : String?
let dob : String?
let phoneNumber : String?
let mobile : String?
let email : String?
let profilePic : String?
let profileImage : String?
let isDeleted : Bool?
let company : String?
let experience : String?
let about : String?
let addressId : Int?
let addressLine1 : String?
let addressLine2 : String?
let city : String?
let state : String?
let country : String?
let zipCode : String?
let serviceProviderId : Int?
let serviceId : Int?
let subServiceId : Int?
let relevantExp : String?
let costPerHour : Int?
let spbRow : String?
let lstServiceProviders : [LstServiceProviders]?
let rating : Int?
let price : Int?
let searchLocationId : Int?
enum CodingKeys: String, CodingKey {
case userId = "userId"
case userName = "userName"
case password = "password"
case userTypeId = "userTypeId"
case firstName = "firstName"
case lastName = "lastName"
case dob = "dob"
case phoneNumber = "phoneNumber"
case mobile = "mobile"
case email = "email"
case profilePic = "profilePic"
case profileImage = "profileImage"
case isDeleted = "isDeleted"
case company = "company"
case experience = "experience"
case about = "about"
case addressId = "addressId"
case addressLine1 = "addressLine1"
case addressLine2 = "addressLine2"
case city = "city"
case state = "state"
case country = "country"
case zipCode = "zipCode"
case serviceProviderId = "serviceProviderId"
case serviceId = "serviceId"
case subServiceId = "subServiceId"
case relevantExp = "relevantExp"
case costPerHour = "costPerHour"
case spbRow = "spbRow"
case lstServiceProviders = "lstServiceProviders"
case rating = "rating"
case price = "price"
case searchLocationId = "searchLocationId"
}
}
let Models = try! JSONDecoder().decode([RootModel].self, from: json!)
print(Models.count)
for item in Models {
print(item.lstServiceProviders?.count)
}
[Edit 1] If the response is Data, use the below:
URLSession.shared.dataTask(with: gitUrl) { (data, response
, error) in
guard let data = data else { return }
do {
let decoder = JSONDecoder()
let models = try decoder.decode([RootModel].self, from: data)
} catch let err {
print("Err", err)
}
}.resume()
If the response is Json object like your output, use the below:
func fetchProfessionalData() {
guard let url = URL(string:"urlString") else { return }
let parameters = ["Address":""] as [String : Any]
Alamofire.request(url, method: .post, parameters:parameters,encoding: JSONEncoding.default, headers: nil).responseJSON {
response in
switch response.result {
case .success:
// let jsonData = response.result.value as! NSArray
let jsonData = try JSONSerialization.data(withJSONObject: response.result, options: .prettyPrinted)
models = try JSONDecoder().decode([RootModel].self, from: jsonData)
print("response:\(jsonData)")
}
// self.listTableView.reloadData()
break
case .failure(let error):
print(error)
}
}
}
In your viewController, Declare varibale
var models: [RootModel]? {
didSet {
self.listTableView.reloadData()
}
}
In your tableview delegate method
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return models.count ?? 0
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
// Update your cell using models
// cell.text = models[indexPath.row].userName
}
[Edit 2] Add all string and then show the value.
var stringArray:[String] = []
for i in 0..< models![indexPath.row].lstServiceProviders!.count {
stringArray.append( models![indexPath.row].lstServiceProviders[i].serviceName)
}
listCell.listCellServicesLbl.text = stringArray.joined(separator: ", ")