Files
kandev/apps/backend/internal/system/updates/handler.go
T

49 lines
1.2 KiB
Go

package updates
import (
"errors"
"math"
"net/http"
"github.com/gin-gonic/gin"
)
// HandleGet returns the cached kandev_meta view of latest version. It never
// hits GitHub. Errors from the meta read are surfaced as 500.
func HandleGet(svc *Service) gin.HandlerFunc {
return func(c *gin.Context) {
resp, err := svc.Get()
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
return
}
c.JSON(http.StatusOK, resp)
}
}
// HandleCheck triggers a synchronous GitHub poll. When the per-process
// limiter denies the request a 429 is returned with retry_after_seconds.
// Other errors are surfaced as 502 since the upstream is GitHub.
func HandleCheck(svc *Service) gin.HandlerFunc {
return func(c *gin.Context) {
resp, err := svc.Check(c.Request.Context())
if errors.Is(err, ErrRateLimited) {
retry := svc.RetryAfter()
seconds := int64(math.Ceil(retry.Seconds()))
if seconds < 1 {
seconds = 1
}
c.JSON(http.StatusTooManyRequests, gin.H{
"error": ErrRateLimited.Error(),
"retry_after_seconds": seconds,
})
return
}
if err != nil {
c.JSON(http.StatusBadGateway, gin.H{"error": err.Error()})
return
}
c.JSON(http.StatusOK, resp)
}
}