From 154e3d27ad0053edf09db6437264028cbca8afd1 Mon Sep 17 00:00:00 2001
From: Avamander <avamander@gmail.com>
Date: Wed, 1 Dec 2021 23:45:01 +0200
Subject: [PATCH] Added a few helper functions

---
 src/components/ble/weather/WeatherService.cpp | 46 +++++++++++++++++++
 src/components/ble/weather/WeatherService.h   | 17 +++++--
 2 files changed, 59 insertions(+), 4 deletions(-)

diff --git a/src/components/ble/weather/WeatherService.cpp b/src/components/ble/weather/WeatherService.cpp
index e6d22d71..c8eb3c20 100644
--- a/src/components/ble/weather/WeatherService.cpp
+++ b/src/components/ble/weather/WeatherService.cpp
@@ -513,5 +513,51 @@ namespace Pinetime {
     uint64_t WeatherService::GetCurrentUnixTimestamp() const {
       return std::chrono::duration_cast<std::chrono::seconds>(dateTimeController.CurrentDateTime().time_since_epoch()).count();
     }
+
+    int16_t WeatherService::getTodayMinTemp() const {
+      uint64_t currentTimestamp = GetCurrentUnixTimestamp();
+      uint64_t currentDayEnd = currentTimestamp - ((24 - dateTimeController.Hours()) * 60 * 60) -
+                               ((60 - dateTimeController.Minutes()) * 60) - (60 - dateTimeController.Seconds());
+      int16_t result = -32768;
+      for (auto&& header : this->timeline) {
+        if (header->eventType == WeatherData::eventtype::AirQuality && isEventStillValid(header, currentTimestamp) &&
+            header->timestamp < currentDayEnd &&
+            reinterpret_cast<const std::unique_ptr<WeatherData::Temperature>&>(header)->temperature != -32768) {
+          int16_t temperature = reinterpret_cast<const std::unique_ptr<WeatherData::Temperature>&>(header)->temperature;
+          if (result == -32768) {
+            result = temperature;
+          } else if (result > temperature) {
+            result = temperature;
+          } else {
+            // The temperature in this item is higher than the lowest we've found
+          }
+        }
+      }
+
+      return result;
+    }
+
+    int16_t WeatherService::getTodayMaxTemp() const {
+      uint64_t currentTimestamp = GetCurrentUnixTimestamp();
+      uint64_t currentDayEnd = currentTimestamp - ((24 - dateTimeController.Hours()) * 60 * 60) -
+                               ((60 - dateTimeController.Minutes()) * 60) - (60 - dateTimeController.Seconds());
+      int16_t result = -32768;
+      for (auto&& header : this->timeline) {
+        if (header->eventType == WeatherData::eventtype::AirQuality && isEventStillValid(header, currentTimestamp) &&
+            header->timestamp < currentDayEnd &&
+            reinterpret_cast<const std::unique_ptr<WeatherData::Temperature>&>(header)->temperature != -32768) {
+          int16_t temperature = reinterpret_cast<const std::unique_ptr<WeatherData::Temperature>&>(header)->temperature;
+          if (result == -32768) {
+            result = temperature;
+          } else if (result < temperature) {
+            result = temperature;
+          } else {
+            // The temperature in this item is lower than the highest we've found
+          }
+        }
+      }
+
+      return result;
+    }
   }
 }
diff --git a/src/components/ble/weather/WeatherService.h b/src/components/ble/weather/WeatherService.h
index cc1a4b0d..52b0356a 100644
--- a/src/components/ble/weather/WeatherService.h
+++ b/src/components/ble/weather/WeatherService.h
@@ -61,6 +61,17 @@ namespace Pinetime {
       std::unique_ptr<WeatherData::Pressure>& GetCurrentPressure();
       std::unique_ptr<WeatherData::AirQuality>& GetCurrentQuality();
 
+      /**
+       * Searches for the current day's maximum temperature
+       * @return -32768 if there's no data, degrees celcius times 100 otherwise
+       */
+      int16_t getTodayMaxTemp() const;
+      /**
+       * Searches for the current day's minimum temperature
+       * @return -32768 if there's no data, degrees celcius times 100 otherwise
+       */
+      int16_t getTodayMinTemp() const;
+
       /*
        * Management functions
        */
@@ -75,7 +86,6 @@ namespace Pinetime {
       size_t GetTimelineLength() const;
       /**
        * Checks if an event of a certain type exists in the timeline
-       * @return
        */
       bool HasTimelineEventOfType(WeatherData::eventtype type) const;
 
@@ -124,6 +134,8 @@ namespace Pinetime {
       Pinetime::Controllers::DateTime& dateTimeController;
 
       std::vector<std::unique_ptr<WeatherData::TimelineHeader>> timeline;
+      std::unique_ptr<WeatherData::TimelineHeader> nullTimelineheader = std::make_unique<WeatherData::TimelineHeader>();
+      std::unique_ptr<WeatherData::TimelineHeader>* nullHeader;
 
       /**
        * Cleans up the timeline of expired events
@@ -149,9 +161,6 @@ namespace Pinetime {
        * @return if the event is valid
        */
       static bool isEventStillValid(const std::unique_ptr<WeatherData::TimelineHeader>& uniquePtr, const uint64_t timestamp);
-
-      std::unique_ptr<WeatherData::TimelineHeader> nullTimelineheader = std::make_unique<WeatherData::TimelineHeader>();
-      std::unique_ptr<WeatherData::TimelineHeader>* nullHeader;
     };
   }
 }