fermentord/internal/api/http.go

package api

import (
	"encoding/json"
	"log"
	"net/http"

	"git.joco.dk/snr/fermentord/internal/configuration"
	"github.com/getsentry/sentry-go"
	"github.com/nats-io/nats.go"
)

type API struct {
	config               *configuration.Configuration
	configChangeCallback func()
	nc                   *nats.Conn
}

func NewAPI(nc *nats.Conn) *API {
	return &API{
		nc: nc,
	}
}

func (a *API) HealthCheck(w http.ResponseWriter, r *http.Request) {
	// Check NATS
	switch a.nc.Status() {
	case nats.CONNECTED:
		break

	default:
		w.WriteHeader(http.StatusServiceUnavailable)
		w.Write([]byte("Unhealthy"))
		return
	}

	// Respond OK
	w.WriteHeader(http.StatusOK)
	w.Write([]byte("Healthy"))
}

func (a *API) GetConfig(w http.ResponseWriter, r *http.Request) {
	defer sentry.Recover()

	resp, err := json.MarshalIndent(a.config, "", "  ")
	if err != nil {
		log.Panic(err)
	}

	w.Write(resp)
}