Hykilpikonna
94 lines
2.4 KiB
Swift
94 lines
2.4 KiB
Swift
//
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// ProjectClock
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//
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// Created by Hykilpikonna on 1/8/21.
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//
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import Foundation
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/// Base URL of the HTTP server
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let baseUrl = "http://localhost:8080/api" // TODO: Production settings
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let JSON = JSONDecoder()
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/// API class
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struct API<T>
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{
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let loc: String
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}
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/// Class to store static API endpoints
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class APIs
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{
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/**
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Register the user in the database.
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## Parameters
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- name: The user's name (this is not username because it doesn't have to be unique)
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- email: The user's email (this does have to be unique)
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- pass: Password (initial hash)
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## Returns
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Success or error
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*/
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static let register = API<String>(loc: "/user/register")
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/**
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Delete a user from the database.
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## Parameters
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- email: The user's email
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- pass: Password (initial hash)
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## Returns
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Success or error
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*/
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static let delete = API<String>(loc: "/user/delete")
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private init() {}
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}
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/// Build a URL with the node path and params
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func createUrl(_ node: String, _ params: [String: String]? = [:]) -> URL
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{
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var url = URLComponents(string: baseUrl + node)
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if let params = params
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{
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url?.queryItems = params.map { URLQueryItem(name: $0, value: $1) }
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}
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return url!.url!
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}
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/**
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Send a HTTP request
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- Parameter api: API Node (Eg. APIs.register)
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- Parameter params: Parameters to send to the server (Check the documentation of the API node to see which parameters you need)
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- Parameter success: Callback of what to do when the request successfully returned
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- Parameter err: Callback of what to do when an error happens
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*/
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func send<T: Decodable>(_ api: API<T>, _ params: [String: String]? = [:], _ success: @escaping (T) -> Void, err: @escaping (String) -> Void = {it in})
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{
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let url = createUrl(api.loc, params)
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// Create task
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let task = URLSession.shared.dataTask(with: url) { (raw, response, error) in
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// Check if raw data exists
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guard let response = response as? HTTPURLResponse, let raw = raw else { err("Data doesn't exist"); return }
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// If success
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if (200...299).contains(response.statusCode)
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{
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// Parse JSON
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guard let obj = try? JSON.decode(T.self, from: raw) else { err("JSON cannot be parsed"); return }
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// Call callback
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success(obj)
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}
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}
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// Execute task
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task.resume()
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}
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