Why is my Swift UI Api fetching code not working - api

Question

I am very new to swift ui so this is probably something very dumb that i missed. I am trying to make a program that gets the current weather description from the “current weather” OpenWeatherMap api. I followed this api tutorial and was able to get it to function with the giphy api used in the video, but when I tried to adapt it for the weather api it stoped functioning. There are no errors, just the button does nothing. Thanks in advance:)
Api response:
{
"coord": {
"lon": -122.08,
"lat": 37.39
},
"weather": [
{
"id": 800,
"main": "Clear",
"description": "clear sky",
"icon": "01d"
}
],
"base": "stations",
"main": {
"temp": 282.55,
"feels_like": 281.86,
"temp_min": 280.37,
"temp_max": 284.26,
"pressure": 1023,
"humidity": 100
},
"visibility": 16093,
"wind": {
"speed": 1.5,
"deg": 350
},
"clouds": {
"all": 1
},
"dt": 1560350645,
"sys": {
"type": 1,
"id": 5122,
"message": 0.0139,
"country": "US",
"sunrise": 1560343627,
"sunset": 1560396563
},
"timezone": -25200,
"id": 420006353,
"name": "Mountain View",
"cod": 200
}
My code:
import SwiftUI
struct ContentView: View {
#State var currentWeather = String()
var body: some View {
Text("\(currentWeather)")
Button("fetch weather"){fetchAPI()}
}
func fetchAPI() {
let url = URL(string:"api.openweathermap.org/data/2.5/weather?q=Raleigh&appid=(ApiKey)")
//api.openweathermap.org/data/2.5/weather?q={city name}&appid={API key}
URLSession.shared.dataTask(with: url!) { data, response, error in
if let data = data {
if let decodedWeather = try? JSONDecoder().decode(WeatherStructure.self, from: data){
self.currentWeather = decodedWeather.weather.discription
}
}
}.resume()
}
}
struct WeatherStructure: Decodable {
let weather: dataStructure
}
struct dataStructure: Decodable {
let discription: String
}
Api documentation

Answer 1

Problems:
weather should be an array, since the JSON has an array.
description was spelt incorrectly as discription.
The URL must start with https://.
You need to change your Decodable structs to this:
struct WeatherStructure: Decodable {
let weather: [DataStructure]
}
struct DataStructure: Decodable {
let description: String
}
Which also results in this line changing:
decodedWeather.weather.description
And the URL changed to:
let url = URL(string: "https://api.openweathermap.org/data/2.5/weather?q=Raleigh&appid=APP_ID")
Note: I also renamed dataStructure to DataStructure, since in Swift you should start struct names with a capital letter.