ojichat の API 化

main.go

package main

import (
	"fmt"
	"log"
	"net/http"
	"os"

	"github.com/greymd/ojichat/generator"
)

func handler(w http.ResponseWriter, r *http.Request) {
	config := generator.Config{TargetName: "Cloud Run", EmojiNum: 4}
	if names, ok := r.URL.Query()["name"]; ok && len(names[0]) > 0 {
		config.TargetName = names[0]
	}
	message := fmt.Sprintf("Hi %s!", config.TargetName)
	if candidate, err := generator.Start(config); err == nil {
		message = candidate
	}
	fmt.Fprint(w, message)
}

func main() {
	port := "8080"
	if candidate, found := os.LookupEnv("PORT"); found {
		port = candidate
	}
	http.HandleFunc("/", handler)
	if err := http.ListenAndServe(":"+port, nil); err != nil {
		log.Fatal(err)
	}
}