directory/internal/handlers/handlers.go

61 lines
1.4 KiB
Go

package handlers
import (
"context"
"encoding/json"
"net/http"
"github.com/rs/zerolog"
"go.uber.org/fx"
"sneak.berlin/go/directory/internal/database"
"sneak.berlin/go/directory/internal/globals"
"sneak.berlin/go/directory/internal/healthcheck"
"sneak.berlin/go/directory/internal/logger"
)
type HandlersParams struct {
fx.In
Logger *logger.Logger
Globals *globals.Globals
Database *database.Database
Healthcheck *healthcheck.Healthcheck
}
type Handlers struct {
params *HandlersParams
log *zerolog.Logger
hc *healthcheck.Healthcheck
}
func New(lc fx.Lifecycle, params HandlersParams) (*Handlers, error) {
s := new(Handlers)
s.params = &params
s.log = params.Logger.Get()
s.hc = params.Healthcheck
lc.Append(fx.Hook{
OnStart: func(ctx context.Context) error {
// FIXME compile some templates here or something
return nil
},
})
return s, nil
}
const jsonContentType = "application/json; charset=utf-8"
func (s *Handlers) respondJSON(w http.ResponseWriter, r *http.Request, data interface{}, status int) {
w.WriteHeader(status)
w.Header().Set("Content-Type", jsonContentType)
if data != nil {
err := json.NewEncoder(w).Encode(data)
if err != nil {
s.log.Error().Err(err).Msg("json encode error")
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
}
func (s *Handlers) decodeJSON(w http.ResponseWriter, r *http.Request, v interface{}) error { // nolint
return json.NewDecoder(r.Body).Decode(v)
}