mirror of
https://codeberg.org/andyscott/weather-cli.git
synced 2024-09-15 22:38:07 -04:00
113 lines
3 KiB
Go
113 lines
3 KiB
Go
package main
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import (
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"context"
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"encoding/json"
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"fmt"
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"strconv"
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pb "codeberg.org/andcscott/weather-cli/proto"
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)
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// Get a date from the user and save it to the config
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func getDate(app *Application) {
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var isValid bool
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for !isValid {
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fmt.Print("\nEnter 4-digit year: ")
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_, err := fmt.Scanf("%d", &app.Config.Date.Year)
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if err != nil {
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fmt.Println("Invalid year")
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}
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fmt.Print("\nEnter month (1-12): ")
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_, err = fmt.Scanf("%d", &app.Config.Date.Month)
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if err != nil {
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fmt.Println("Invalid month")
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}
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fmt.Print("\nEnter day (1-31): ")
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_, err = fmt.Scanf("%d", &app.Config.Date.Day)
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if err != nil {
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fmt.Println("Invalid day")
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} else {
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fmt.Print("\n")
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isValid = true
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}
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}
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}
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// Query SimplrWeather for date in Unix time
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func getUnixTime(c pb.RouteGuideClient) int32 {
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var year, month, day int32
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res, err := c.GetUnixTime(context.Background(), &pb.Date{
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Year: year,
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Month: month,
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Day: day,
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})
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if err != nil {
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fmt.Printf("Error getting Unix time: %v\n", err)
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}
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return res.Unixtime
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}
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// Query SimplrWeather for historical data
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func getHistoricalData(c pb.RouteGuideClient, app *Application) {
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var lat, lon int
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lat, _ = strconv.Atoi(app.Config.Latitude)
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lon, _ = strconv.Atoi(app.Config.Longitude)
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res, err := c.GetHistoricalData(context.Background(), &pb.LocationDate{
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Latitude: int32(lat),
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Longitude: int32(lon),
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Year: app.Config.Date.Year,
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Month: app.Config.Date.Month,
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Day: app.Config.Date.Day,
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})
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if err != nil {
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fmt.Printf("Error getting historical data: %v", err)
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}
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hData := HistoricalData{}
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err = json.Unmarshal([]byte(res.Data), &hData)
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if err != nil {
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fmt.Printf("Error reading data from server: %v", err)
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} else {
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app.HistoricalForecast.Temp = hData.HistoricalForecast[0].Temp
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app.HistoricalForecast.FeelsLike = hData.HistoricalForecast[0].FeelsLike
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app.HistoricalForecast.Pressure = hData.HistoricalForecast[0].Pressure
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app.HistoricalForecast.Humidity = hData.HistoricalForecast[0].Humidity
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app.HistoricalForecast.Speed = hData.HistoricalForecast[0].Speed
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}
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convertUnits(app)
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}
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// Convert historical data from standard to users preferred units
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func convertUnits(app *Application) {
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units := app.Config.Units
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switch units {
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case "imperial":
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app.HistoricalForecast.Temp = convertKToF(app.HistoricalForecast.Temp)
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app.HistoricalForecast.FeelsLike = convertKToF(app.HistoricalForecast.FeelsLike)
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app.HistoricalForecast.Speed = convertMpsToMph(app.HistoricalForecast.Speed)
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case "metric":
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app.HistoricalForecast.Temp = convertKToC(app.HistoricalForecast.Temp)
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app.HistoricalForecast.FeelsLike = convertKToC(app.HistoricalForecast.FeelsLike)
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default:
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fmt.Println("\nUnable to convert units, temperature will default to Kelvin and speed will default to meters per second.")
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}
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}
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// Convert Kelvin to Fahrenheit
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func convertKToF(temp float32) float32 {
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return (9/5)*(temp-273) + 32
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}
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// Convert Kelvin to Celsius
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func convertKToC(temp float32) float32 {
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return temp - 273.15
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}
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func convertMpsToMph(speed float32) float32 {
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return speed * 2.236936
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}
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