GeoMessengerApp+messages.swift

var messages: [Message] = [Message(id: 1, sender:"Joe", content: "First Message"),
                           Message(id: 2, sender:"Joe", content: "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur."),
                           Message(id: 3, sender:"Teo", content: "Third Message")]

NetworkManager+fetch.swift

func fetchMessages() {
    let urlString = "http://5glab.educationhost.cloud/igniter/public/messages"
    if let url = URL(string: urlString){
        let session = URLSession(configuration: .default)
        let task = session.dataTask(with: url) { (data, response, error) in
            if error == nil{
                let decoder = JSONDecoder()
                if let data = data{
                    do{
                        let messages = try decoder.decode(Array<Message>.self, from: data)
                        DispatchQueue.main.async {
                            self.fetchedMessages = messages
                        }
                    } catch{
                        print(error)
                    }
                }
            }
        }
        task.resume()
    }
}

NetworkManager-send.swift

func sendMessage(message: String, sender: String){  
    let message = Message(id:2, sender: sender, content: message)
    let encoder = JSONEncoder()
    
    guard let jsonData = try? encoder.encode(message) else { return }
    
    let url = URL(string: "http://5glab.educationhost.cloud/igniter/public/messages/add")
    var request = URLRequest(url: url!)
    request.httpMethod = "POST"
    request.setValue("application/json", forHTTPHeaderField: "Content-Type")
    
    let session = URLSession(configuration: .default)
    session.uploadTask(with: request, from: jsonData) { data, response, error in
        if let error = error {
            print(error)
            return
        } else {
            self.fetchMessages()
        }
    }.resume()
}