fastfact/main.go
2024-10-21 13:43:01 +01:00

81 lines
1.6 KiB
Go

package main
import (
"embed"
"fmt"
"math/rand"
"net/http"
"strings"
)
//go:embed facts.txt
var facts embed.FS
func loadFacts() ([]string, error) {
// Read the embedded file
data, err := facts.ReadFile("facts.txt")
if err != nil {
return nil, err
}
// Split the file into lines and return as a slice
lines := string(data)
return splitLines(lines), nil
}
func splitLines(data string) []string {
return strings.Split(strings.TrimSpace(data), "\n")
}
func randomFactHandler(facts []string) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
// Get a random index
index := rand.Intn(len(facts))
// Write the random fact as an HTML response with CSS
fmt.Fprintf(w, `
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Random Fact</title>
<style>
body {
background-color: #24273a;
color: #8aadf4;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
margin: 0;
font-size: 24px; /* Increase text size */
font-weight: bold;
font-family: Arial, sans-serif;
}
</style>
</head>
<body>
<p>%s</p>
</body>
</html>
`, facts[index])
}
}
func main() {
// Load facts from the embedded file
facts, err := loadFacts()
if err != nil {
panic(err)
}
// Set up the HTTP server
http.HandleFunc("/", randomFactHandler(facts))
fmt.Println("Server is running on http://localhost:8080")
err = http.ListenAndServe(":8080", nil)
if err != nil {
panic(err)
}
}