weather: Refactor temperature type for type safety

There is now a Temperature struct in the weather service, which holds
the internal representation. There is also a temperature struct in the
Applications namespace, which holds the temperature in either Celsius or
Fahrenheit.

1 files changed, 12 insertions, 12 deletions

diff --git a/src/components/ble/SimpleWeatherService.h b/src/components/ble/SimpleWeatherService.h
index 30cc5c03..ee40fd6f 100644
--- a/src/components/ble/SimpleWeatherService.h
+++ b/src/components/ble/SimpleWeatherService.h
@@ -61,13 +61,17 @@ namespace Pinetime {
         Unknown = 255
       };
 
+      struct Temperature {
+        int16_t temp;
+      };
+
       using Location = std::array<char, 33>; // 32 char + \0 (end of string)
 
       struct CurrentWeather {
         CurrentWeather(uint64_t timestamp,
-                       int16_t temperature,
-                       int16_t minTemperature,
-                       int16_t maxTemperature,
+                       Temperature temperature,
+                       Temperature minTemperature,
+                       Temperature maxTemperature,
                        Icons iconId,
                        Location&& location)
           : timestamp {timestamp},
@@ -79,9 +83,9 @@ namespace Pinetime {
         }
 
         uint64_t timestamp;
-        int16_t temperature;
-        int16_t minTemperature;
-        int16_t maxTemperature;
+        Temperature temperature;
+        Temperature minTemperature;
+        Temperature maxTemperature;
         Icons iconId;
         Location location;
 
@@ -93,8 +97,8 @@ namespace Pinetime {
         uint8_t nbDays;
 
         struct Day {
-          int16_t minTemperature;
-          int16_t maxTemperature;
+          Temperature minTemperature;
+          Temperature maxTemperature;
           Icons iconId;
 
           bool operator==(const Day& other) const;
@@ -108,10 +112,6 @@ namespace Pinetime {
       std::optional<CurrentWeather> Current() const;
       std::optional<Forecast> GetForecast() const;
 
-      static int16_t CelsiusToFahrenheit(int16_t celsius) {
-        return celsius * 9 / 5 + 3200;
-      }
-
     private:
       // 00050000-78fc-48fe-8e23-433b3a1942d0
       static constexpr ble_uuid128_t BaseUuid() {