From 7f102c9ebc94b6a4887846b6d716e1c07432d0d5 Mon Sep 17 00:00:00 2001
From: juls0730 <62722391+juls0730@users.noreply.github.com>
Date: Tue, 19 Nov 2024 01:55:24 -0600
Subject: [PATCH] more error checking

---
 main.go | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/main.go b/main.go
index ba22fd7..ada085d 100644
--- a/main.go
+++ b/main.go
@@ -159,7 +159,9 @@ type OpenWeatherResponse struct {
 	} `json:"weather"`
 	Main struct {
 		Temp float64 `json:"temp"`
-	}
+	} `json:"main"`
+	Code    int    `json:"cod"`
+	Message string `json:"message"`
 }
 
 type WeatherData struct {
@@ -181,6 +183,11 @@ type WeatherCache struct {
 }
 
 func NewWeatherCache() *WeatherCache {
+	if os.Getenv("OPENWEATHER_API_KEY") == "" || os.Getenv("OPENWEATHER_LAT") == "" || os.Getenv("OPENWEATHER_LON") == "" {
+		log.Fatalln("OpenWeather API Key, and your latitude and longitude are required!")
+		return nil
+	}
+
 	updateInterval, err := strconv.Atoi(os.Getenv("OPENWEATHER_UPDATE_INTERVAL"))
 	if err != nil || updateInterval < 1 {
 		updateInterval = 15
@@ -251,6 +258,16 @@ func (c *WeatherCache) updateWeather() {
 		return
 	}
 
+	// if the request failed
+	if weatherResp.Code != 200 {
+		// if there is no pre-existing data in the cache
+		if c.data.WeatherText == "" {
+			log.Fatalf("Fetching the weather data failed!\n%s\n", weatherResp.Message)
+		} else {
+			return
+		}
+	}
+
 	c.mutex.Lock()
 	c.data.Temperature = weatherResp.Main.Temp
 	c.data.WeatherText = weatherResp.Weather[0].Name