IOS-22: Smart text: ongoing precipitation.

1Weather/Model/SmartTextProvider.swift

@@ -8,29 +8,62 @@
 import Foundation
 
 private enum Macro: String {
-    case feelsLikeTemp = "#FEELS_LIKE_TEMP"
+    case feelsLikeTemp = "#FEELS_LIKE_TEMP#"
+    case weatherType = "#WEATHER_TYPE#"
+    case weatherTypeChangeHour = "#WEATHER_TYPE_CHANGE_HOUR#"
     
-    func string(from location: Location) -> String {
+    func string(from location: Location) -> String? {
         switch self {
         case .feelsLikeTemp:
             return location.today?.apparentTemp?.settingsConverted.shortString ?? "--"
+        case .weatherType:
+            guard let today = location.today else {
+                return nil
+            }
+            return today.type.localized(isDay: today.isDay)
+        case .weatherTypeChangeHour:
+            guard let today = location.today else {
+                return nil
+            }
+            let currentWeatherType = today.type
+            if let firstDifferentHour = location.hourly.first(where: { (hourly) -> Bool in
+                hourly.type != currentWeatherType
+                    && hourly.date > Date()
+                    && hourly.date < Date().addingTimeInterval(6 * 3600)
+            }) {
+                let dateFormatter = DateFormatter()
+                dateFormatter.timeZone = location.timeZone
+                dateFormatter.dateFormat = "h a"
+                return dateFormatter.string(from: firstDifferentHour.date)
+            }
+            else {
+                return nil
+            }
         }
     }
 }
 
+fileprivate let precipitationWeatherTypes = Set<WeatherType>([.snowy, .thunderstorm, .heavySnow, .lightSnow, .freezingRain, .lightHail, .lightDrizzle, .heavyRain])
+
 fileprivate protocol SmartText {
     var templateKey: String { get }
     var requiredMacros: [Macro] { get }
     
-    func applicable(to: Location) -> Bool
-    func buildText(for location: Location) -> String
+    func applicable(to location: Location) -> Bool
+    func buildText(for location: Location) -> String?
 }
 
 fileprivate extension SmartText {
-    func buildText(for location: Location) -> String {
-        var result = self.templateKey.localized()
+    func buildText(for location: Location) -> String? {
+        var result: String? = self.templateKey.localized()
         for macro in requiredMacros {
-            result = result.replacingOccurrences(of: macro.rawValue, with: macro.string(from: location))
+            if let macroValue = macro.string(from: location) {
+                result = result?.replacingOccurrences(of: macro.rawValue, with: macroValue)
+            }
+            else {
+                result = nil
+                break
+            }
         }
         return result
     }
@@ -38,22 +71,42 @@ fileprivate extension SmartText {
 
 fileprivate struct DefaultSmartText: SmartText {
     let templateKey = "today.smart.default"
-    var requiredMacros: [Macro] = [.feelsLikeTemp]
+    let requiredMacros: [Macro] = [.feelsLikeTemp]
     
-    func applicable(to: Location) -> Bool {
+    func applicable(to location: Location) -> Bool {
         true
     }
 }
 
+fileprivate struct OngoingPrecipitationSmartText: SmartText {
+    let templateKey: String = "today.smart.ongoingPrecipitation"
+    let requiredMacros: [Macro] = [.weatherType, .weatherTypeChangeHour]
+    
+    func applicable(to location: Location) -> Bool {
+        guard let today = location.today else {
+            return false
+        }
+        return precipitationWeatherTypes.contains(today.type)
+    }
+}
+
+
+
 class SmartTextProvider {
-    private var prioritizedSmartTexts: [SmartText] = [DefaultSmartText()]
+    private var prioritizedSmartTexts: [SmartText] = [
+        OngoingPrecipitationSmartText(),
+        //Continue adding here.
+        
+        DefaultSmartText()]
     
     public func smartText(for location: Location) -> String {
         var result = ""
         for candidate in prioritizedSmartTexts {
             if candidate.applicable(to: location) {
-                result = candidate.buildText(for: location)
-                break
+                if let candidateText = candidate.buildText(for: location) {
+                    result = candidateText
+                    break
+                }
             }
         }
         return result

1Weather/Resources/en.lproj/Localizable.strings

@@ -36,7 +36,8 @@
 "privacy.notice.close" = "Close";
 
 //Today Smart Text
-"today.smart.default" = "Feels like #FEELS_LIKE_TEMP.";
+"today.smart.default" = "Feels like #FEELS_LIKE_TEMP#.";
+"today.smart.ongoingPrecipitation" = "#WEATHER_TYPE# until #WEATHER_TYPE_CHANGE_HOUR#.";
 
 //Forecast
 "forecast.sunny" = "Sunny";