85 lines
2.1 KiB
Swift
85 lines
2.1 KiB
Swift
//
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// RoomState.swift
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// InfiniSolar WatchKit Extension
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//
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// Created by Evgeny Zinoviev on 09.08.2021.
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//
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import Alamofire
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import SwiftyJSON
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extension Double {
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/// Rounds the double to decimal places value
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func rounded(toPlaces places:Int) -> Double {
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let divisor = pow(10.0, Double(places))
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return (self * divisor).rounded() / divisor
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}
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}
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public class RoomState: ObservableObject {
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@Published var temp: Double
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@Published var rh: Double
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@Published var error: Bool
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var timer: Timer?
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var request: DataRequest?
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init() {
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self.error = false
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self.timer = nil
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self.request = nil
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self.temp = 0
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self.rh = 0
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}
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func start() {
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if self.timer != nil {
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self.stop()
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}
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self.timer = Timer.scheduledTimer(timeInterval: 5,
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target: self,
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selector: #selector(fetch),
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userInfo: nil,
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repeats: true)
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self.timer?.fire()
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}
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func stop() {
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if self.request != nil {
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self.request?.cancel()
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self.request = nil
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}
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self.error = false
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self.timer?.invalidate()
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self.timer = nil
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}
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@objc func fetch() {
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self.request = AF.request("http://192.168.5.223:8381/read/").responseJSON { response in
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self.request = nil
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switch response.result {
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case .success(let value):
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let j = JSON(value)
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self.temp = (j["temp"].double ?? 0).rounded(toPlaces: 2)
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self.rh = (j["humidity"].double ?? 0).rounded(toPlaces: 2)
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case .failure(let error):
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switch (error) {
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case .explicitlyCancelled:
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break
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default:
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self.error = true
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self.timer?.invalidate()
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self.timer = nil
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}
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}
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}
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}
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}
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