Queries for historical data functional

cmd/advanced.go

@@ -47,7 +47,7 @@ func advancedMenu(app *Application) {
 				getPreciseLocation(app)
 				getCurrent(app)
 
-				if app.Forecast.Main.Temp != 0.00 {
+				if app.Forecast.Weather.Temp != -500.00 {
 					validLoc = true
 				} else {
 					fmt.Println("I couldn't get any information for that location.")
@@ -55,7 +55,7 @@ func advancedMenu(app *Application) {
 				}
 			}
 			printWeather(app)
-			app.Forecast.Main.Temp = 0.00
+			app.Forecast.Weather.Temp = -500.00
 
 		} else if option == "3" {
 			var validLoc bool
@@ -64,15 +64,15 @@ func advancedMenu(app *Application) {
 				getDate(app)
 				getHistoricalData(app.Client, app)
 
-				if app.Forecast.Main.Temp != 0.00 {
+				if app.HistoricalForecast.Temp != -500.00 {
 					validLoc = true
 				} else {
 					fmt.Println("I couldn't get any information for that location.")
 					fmt.Println("Are you sure the coordinates are valid?")
 				}
 			}
-			printWeather(app)
-			app.Forecast.Main.Temp = 0.00
+			printHistorical(app)
+			app.Forecast.Weather.Temp = -500.00
 		}
 	}
 }

cmd/history.go

@@ -9,25 +9,44 @@ import (
 	pb "codeberg.org/andcscott/weather-cli/proto"
 )
 
+type HistoricalForecast struct {
+	Temp      float32 `json:"temp"`
+	FeelsLike float32 `json:"feels_like"`
+	Pressure  uint    `json:"pressure"`
+	Humidity  uint    `json:"humidity"`
+	Speed     float32 `json:"wind_speed"`
+}
+
+type HistoricalData struct {
+	HistoricalForecast []HistoricalForecast `json:"data"`
+}
+
 // Get a date from the user and save it to the config
 func getDate(app *Application) {
 
-	fmt.Print("Enter 4-digit year: ")
-	_, err := fmt.Scanf("%d", &app.Config.Date.Year)
-	if err != nil {
-		fmt.Println("Invalid year")
-	}
+	var isValid bool
 
-	fmt.Print("Enter month (1-12): ")
-	_, err = fmt.Scanf("%d", &app.Config.Date.Month)
-	if err != nil {
-		fmt.Println("Invalid year")
-	}
+	for !isValid {
+		fmt.Print("\nEnter 4-digit year: ")
+		_, err := fmt.Scanf("%d", &app.Config.Date.Year)
+		if err != nil {
+			fmt.Println("Invalid year")
+		}
 
-	fmt.Print("Enter day (1-31): ")
-	_, err = fmt.Scanf("%d", &app.Config.Date.Day)
-	if err != nil {
-		fmt.Println("Invalid year")
+		fmt.Print("\nEnter month (1-12): ")
+		_, err = fmt.Scanf("%d", &app.Config.Date.Month)
+		if err != nil {
+			fmt.Println("Invalid month")
+		}
+
+		fmt.Print("\nEnter day (1-31): ")
+		_, err = fmt.Scanf("%d", &app.Config.Date.Day)
+		if err != nil {
+			fmt.Println("Invalid day")
+		} else {
+			fmt.Print("\n")
+			isValid = true
+		}
 	}
 }
 
@@ -65,8 +84,50 @@ func getHistoricalData(c pb.RouteGuideClient, app *Application) {
 		fmt.Printf("Error getting historical data: %v", err)
 	}
 
-	err = json.Unmarshal([]byte(res.Data), &app.Forecast)
+	hData := HistoricalData{}
+	err = json.Unmarshal([]byte(res.Data), &hData)
 	if err != nil {
 		fmt.Printf("Error reading data from server: %v", err)
+	} else {
+		app.HistoricalForecast.Temp = hData.HistoricalForecast[0].Temp
+		app.HistoricalForecast.FeelsLike = hData.HistoricalForecast[0].FeelsLike
+		app.HistoricalForecast.Pressure = hData.HistoricalForecast[0].Pressure
+		app.HistoricalForecast.Humidity = hData.HistoricalForecast[0].Humidity
+		app.HistoricalForecast.Speed = hData.HistoricalForecast[0].Speed
 	}
+	convertUnits(app)
+}
+
+// Convert historical data from standard to user defined units
+func convertUnits(app *Application) {
+
+	units := app.Config.Units
+
+	switch units {
+	case "imperial":
+		app.HistoricalForecast.Temp = convertKToF(app.HistoricalForecast.Temp)
+		app.HistoricalForecast.FeelsLike = convertKToF(app.HistoricalForecast.FeelsLike)
+		app.HistoricalForecast.Speed = convertMpsToMph(app.HistoricalForecast.Speed)
+	case "metric":
+		app.HistoricalForecast.Temp = convertKToC(app.HistoricalForecast.Temp)
+		app.HistoricalForecast.FeelsLike = convertKToC(app.HistoricalForecast.FeelsLike)
+	default:
+		fmt.Println("\nUnable to convert units, temperature will default to Kelvin and speed will default to meters per second.")
+		return
+	}
+
+}
+
+// Convert Kelvin to Fahrenheit
+func convertKToF(temp float32) float32 {
+	return (9/5)*(temp-273) + 32
+}
+
+// Convert Kelvin to Celsius
+func convertKToC(temp float32) float32 {
+	return temp - 273.15
+}
+
+func convertMpsToMph(speed float32) float32 {
+	return speed * 2.236936
 }

cmd/main.go

@@ -27,9 +27,8 @@ type Wind struct {
 }
 
 type Forecast struct {
-	//Overview weatherOverview `json:"weather"`
-	Main Weather `json:"main"`
-	Wind Wind    `json:"wind"`
+	Weather Weather `json:"main"`
+	Wind    Wind    `json:"wind"`
 }
 
 type Date struct {
@@ -48,10 +47,11 @@ type Config struct {
 }
 
 type Application struct {
-	Forecast Forecast
-	Config   Config
-	Version  string
-	Client   pb.RouteGuideClient
+	Forecast           Forecast
+	HistoricalForecast HistoricalForecast
+	Config             Config
+	Version            string
+	Client             pb.RouteGuideClient
 }
 
 func main() {
@@ -75,12 +75,16 @@ func main() {
 	}
 
 	fcst := Forecast{}
+	hFcst := HistoricalForecast{}
+	fcst.Weather.Temp = -500.00
+	hFcst.Temp = -500.00
 
 	app := Application{
-		Config:   cfg,
-		Forecast: fcst,
-		Version:  version,
-		Client:   pb.NewRouteGuideClient(conn),
+		Config:             cfg,
+		Forecast:           fcst,
+		HistoricalForecast: hFcst,
+		Version:            version,
+		Client:             pb.NewRouteGuideClient(conn),
 	}
 
 	mainMenu(&app)

cmd/render.go

@@ -14,12 +14,31 @@ func printWeather(app *Application) {
 
 	fmt.Println("\nNote! A value of 0 or 0.00 indicates the data is not available at this time.")
 	fmt.Printf("Units: %s (%s)\n\n", app.Config.Units, unitStr)
-	fmt.Printf("Current temperature: %.2f\n", app.Forecast.Main.Temp)
-	fmt.Printf("Feels like: %.2f\n", app.Forecast.Main.FeelsLike)
-	fmt.Printf("High: %.2f\n", app.Forecast.Main.HighTemp)
-	fmt.Printf("Low: %.2f\n", app.Forecast.Main.LowTemp)
-	fmt.Printf("Pressure (hPa): %d\n", app.Forecast.Main.Pressure)
-	fmt.Printf("Humidity (%%): %d\n", app.Forecast.Main.Humidity)
+	fmt.Printf("Current temperature: %.2f\n", app.Forecast.Weather.Temp)
+	fmt.Printf("Feels like: %.2f\n", app.Forecast.Weather.FeelsLike)
+	fmt.Printf("High: %.2f\n", app.Forecast.Weather.HighTemp)
+	fmt.Printf("Low: %.2f\n", app.Forecast.Weather.LowTemp)
+	fmt.Printf("Pressure (hPa): %d\n", app.Forecast.Weather.Pressure)
+	fmt.Printf("Humidity (%%): %d\n", app.Forecast.Weather.Humidity)
 	fmt.Printf("Wind speed: %.2f\n", app.Forecast.Wind.Speed)
 	fmt.Printf("Gust: %.2f\n", app.Forecast.Wind.Gust)
 }
+
+// Prints saved historical data to the terminal
+func printHistorical(app *Application) {
+
+	var unitStr string
+	if app.Config.Units == "imperial" {
+		unitStr = "Farhenheit/mph"
+	} else {
+		unitStr = "Celsius/kph"
+	}
+
+	fmt.Println("\nNote! A value of 0 or 0.00 indicates the data is not available at this time.")
+	fmt.Printf("Units: %s (%s)\n\n", app.Config.Units, unitStr)
+	fmt.Printf("Temperature: %.2f\n", app.HistoricalForecast.Temp)
+	fmt.Printf("Felt like: %.2f\n", app.HistoricalForecast.FeelsLike)
+	fmt.Printf("Pressure (hPa): %d\n", app.HistoricalForecast.Pressure)
+	fmt.Printf("Humidity (%%): %d\n", app.HistoricalForecast.Humidity)
+	fmt.Printf("Wind speed: %.2f\n", app.HistoricalForecast.Speed)
+}