swift unable to use api data in collection View - ios

Question

here my JSON is -
{
"status": "success",
"data": [
{
"_id": "15756323",
"name": "A",
"icons": "https://sdfgsuew34j.png",
"createdAt": "2021-03-18T13:06:44.054Z",
"updatedAt": "2021-03-18T13:06:44.054Z",
"__v": 0,
"id": "6053503drm476"
},
{
"_id": "45646054821",
"name": "S",
"icons": "https://dkj/djf.png",
"createdAt": "2021-03-19T10:51:07.066Z",
"updatedAt": "2021-03-19T10:51:07.066Z",
"__v": 0,
"id": "6054821b11kd6873"
}
]
}
I'm trying to print API data in collectionView
here's some code
var places: [Post]?
func apicall() {
let url = URL(string: "http://17.550.457.84/api/category/list")!
URLSession.shared.dataTask(with: url) { (data, response, error) in
if error == nil {
do {
self.places = try JSONDecoder().decode([Post].self, from: data! )
} catch {
print("Error during JSON serialization: \(error.localizedDescription)")
}
}
}.resume()
}
I get a message in the debugger -> Error during JSON serialization: The data couldn’t be read because it isn’t in the correct format.
i also try to change -> self.places = try JSONDecoder().decode([Post].self, from: data! )` to
self.places = try JSONDecoder().decode(Post.self, from: data! )
then I got the error -> Cannot assign the value of type 'Post' to type '[Post]?'
here my model class is
struct Post : Codable {
let _id : String?
let name : String?
let icons : String?
let createdAt : String?
let updatedAt : String?
let __v : Int?
let id : String?
enum CodingKeys: String, CodingKey {
case _id = "_id"
case name = "name"
case icons = "icons"
case createdAt = "createdAt"
case updatedAt = "updatedAt"
case __v = "__v"
case id = "id"
}

Answer 1

The error message basically says "Your model and coming data model(JSON) are not equal". You need to change your model like :
struct BaseModel : Codable{
var status : String?
var data : [Post]?
}
And when you try to deserialize it you need to make a instance of that BaseModel so
var baseModel: BaseModel?
var places: [Post]?
when response success
do {
let responseData = try JSONDecoder().decode(BaseModel.self, from: data! )
self.places = responseData.data!
} catch {
print("Error during JSON serialization: \(error.localizedDescription
}