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Jan 2024-10-26 19:53:38 +02:00
parent 434b9860c3
commit e72a267cd4
3 changed files with 54 additions and 54 deletions
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87
server/server.go
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@ -1,69 +1,48 @@
package server
import (
"fmt"
"html/template"
"net/http"
"strconv"
"github.com/LeRoid-hub/humiditycalc/internal"
)
type result struct {
AbsoluteHumidity float64
}
// StartServer starts the HTTP server.
func Run() {
http.HandleFunc("/", HandleIndex)
tmpl := template.Must(template.ParseFiles("./web/templates/index.html"))
http.HandleFunc("/absolute-humidity", HandleAbsoluteHumidity)
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
// Parse query parameters
tempCelsius, relativeHumidity := r.URL.Query().Get("temp"), r.URL.Query().Get("rh")
if tempCelsius == "" || relativeHumidity == "" {
tmpl.Execute(w, nil)
return
}
// Convert query parameters to float64
temp, err := strconv.ParseFloat(tempCelsius, 32)
if err != nil {
http.Error(w, "invalid temperature value", http.StatusBadRequest)
return
}
rh, err := strconv.ParseFloat(relativeHumidity, 32)
if err != nil {
http.Error(w, "invalid relative humidity value", http.StatusBadRequest)
return
}
// Calculate absolute humidity
absoluteHumidity := internal.AbsoluteHumidity(temp, rh)
// Write response
tmpl.Execute(w, result{AbsoluteHumidity: absoluteHumidity})
})
http.ListenAndServe(":8080", nil)
}
func HandleIndex(w http.ResponseWriter, r *http.Request) {
html := `<html>
<head>
<title>Humidity Calculator</title>
</head>
<body>
<h1>Humidity Calculator</h1>
<p>Calculate absolute humidity in g/m³ given temperature in Celsius and relative humidity percentage.</p>
<form action="/absolute-humidity">
<label for="temp">Temperature (°C):</label>
<input type="text" id="temp" name="temp" required>
<br>
<label for="rh">Relative Humidity (%):</label>
<input type="text" id="rh" name="rh" required>
<br>
<button type="submit">Calculate</button>
</form>
</body>
</html>`
w.Write([]byte(html))
}
func HandleAbsoluteHumidity(w http.ResponseWriter, r *http.Request) {
// Parse query parameters
tempCelsius, relativeHumidity := r.URL.Query().Get("temp"), r.URL.Query().Get("rh")
if tempCelsius == "" || relativeHumidity == "" {
http.Error(w, "missing query parameters", http.StatusBadRequest)
return
}
// Convert query parameters to float64
temp, err := strconv.ParseFloat(tempCelsius, 32)
if err != nil {
http.Error(w, "invalid temperature value", http.StatusBadRequest)
return
}
rh, err := strconv.ParseFloat(relativeHumidity, 32)
if err != nil {
http.Error(w, "invalid relative humidity value", http.StatusBadRequest)
return
}
// Calculate absolute humidity
absoluteHumidity := internal.AbsoluteHumidity(temp, rh)
// Write response
w.Write([]byte(fmt.Sprintf("Absolute humidity: %.2f g/m³\n", absoluteHumidity)))
}

0
web/static/a Normal file
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21
web/templates/index.html Normal file
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<html>
<head>
<title>Humidity Calculator</title>
</head>
<body>
<h1>Humidity Calculator</h1>
<p>Calculate absolute humidity in g/m³ given temperature in Celsius and relative humidity percentage.</p>
<form action="/">
<label for="temp">Temperature (°C):</label>
<input type="text" id="temp" name="temp" required>
<br>
<label for="rh">Relative Humidity (%):</label>
<input type="text" id="rh" name="rh" required>
<br>
<button type="submit">Calculate</button>
</form>
{{ if .AbsoluteHumidity }}
<p>Absolute Humidity: {{ .AbsoluteHumidity }} g/m³</p>
{{ end }}
</body>
</html>