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package handlers
import (
"fmt"
"log/slog"
"time"
"github.com/SayaAndy/saya-today-web/internal/router"
"github.com/gofiber/fiber/v2"
)
type GetTimezoneHandler struct {
router.BasicHandler
}
func init() {
router.Routes = append(router.Routes, &GetTimezoneHandler{})
}
func (r *GetTimezoneHandler) Filter() (method string, path string) {
return "GET", "/api/v1/tz"
}
func (r *GetTimezoneHandler) IsTemplated() bool {
return false
}
func (r *GetTimezoneHandler) TemplatesToInject() []string {
return []string{}
}
func (r *GetTimezoneHandler) ToCache() router.CacheSetting {
return router.Disabled
}
func (r *GetTimezoneHandler) ToValidateLang() router.LangSetting {
return router.NotRequired
}
func (r *GetTimezoneHandler) Render(c *fiber.Ctx, supplements *router.Supplements, lang string, templateMap fiber.Map) (statusCode int, err error) {
timestampString := c.Query("timestamp")
tz := c.Query("tz")
loc, err := time.LoadLocation(tz)
if err != nil {
loc = time.UTC
slog.Warn("unable to parse a client timezone, defaulting to UTC", slog.String("error", err.Error()), slog.String("tz", tz))
}
var format string
var timestamp time.Time
for _, format = range []string{"2006-01-02 15:04:05 -07:00", time.RFC3339} {
if timestamp, err = time.Parse(format, timestampString); err == nil {
break
}
}
if err != nil {
return fiber.StatusBadRequest, fmt.Errorf("invalid timestamp format for '%s'", timestampString)
}
templateMap["Output"] = []byte(timestamp.In(loc).Format("2006-01-02 15:04:05 -07:00"))
return fiber.StatusOK, nil
}
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