refactor(server/api): resolveByID helper for parseUUID->fetch->404 (T4)

internal/api/requests.go

@@ -7,7 +7,6 @@ import (
 	"net/http"
 
 	"github.com/go-chi/chi/v5"
-	"github.com/jackc/pgx/v5"
 	"github.com/jackc/pgx/v5/pgtype"
 
 	"git.fabledsword.com/bvandeusen/minstrel/internal/apierror"
@@ -218,20 +217,9 @@ func (h *handlers) handleGetRequest(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	id, ok := parseUUID(chi.URLParam(r, "id"))
-	if !ok {
-		writeErr(w, apierror.BadRequest("bad_request", "invalid request id"))
-		return
-	}
-
-	row, err := dbq.New(h.pool).GetLidarrRequestByID(r.Context(), id)
-	if err != nil {
-		if errors.Is(err, pgx.ErrNoRows) {
-			writeErr(w, apierror.NotFound("request"))
-			return
-		}
-		h.logger.Error("api: get request", "err", err)
-		writeErr(w, apierror.InternalMsg("get failed", err))
+	row, apiErr := resolveByID(r, "id", dbq.New(h.pool).GetLidarrRequestByID, "request")
+	if apiErr != nil {
+		writeErr(w, apiErr)
 		return
 	}