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//
// ViewController.swift
// PostgresClientKit-iOS-Example
//
// Copyright 2019 David Pitfield and the PostgresClientKit contributors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
import PostgresClientKit
import UIKit
class ViewController: UIViewController, UITableViewDataSource {
// Injected by SceneDelegate.
var model: Model!
// The text field for the city name.
@IBOutlet var textField: UITextField!
// The table view containing the weather history.
@IBOutlet var tableView: UITableView!
override func viewDidLoad() {
super.viewDidLoad()
tableView.dataSource = self
textField.text = "San Francisco"
showWeatherHistory()
}
// Called when the "Show" button is tapped.
@IBAction func showWeatherHistory() {
view.endEditing(true)
let city = textField.text?.trimmingCharacters(in: [" "]) ?? ""
model.weatherHistoryForCity(city) { result in
do {
self.weatherHistory = try result.get()
self.tableView.reloadData()
} catch {
// Better error handling goes here...
Postgres.logger.severe("Error getting weather history: \(String(describing: error))")
}
}
}
//
// MARK: UITableViewDataSource
//
var weatherHistory = [Model.Weather]()
func tableView(_ tableView: UITableView,numberOfRowsInSection section: Int) -> Int {
return weatherHistory.count
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: "WeatherCell") ??
UITableViewCell(style: .subtitle, reuseIdentifier: "WeatherCell")
let weather = weatherHistory[indexPath.row]
let text = String(describing: weather.date)
var detailText = "\(weather.lowTemperature) - \(weather.highTemperature) degrees F"
if let precipitation = weather.precipitation {
detailText += "; \(precipitation) inches of precipitation"
} else {
detailText += "; unknown precipitation"
}
cell.textLabel?.text = text
cell.detailTextLabel?.text = detailText
return cell
}
}
// EOF