refactor(server/api): migrate library/media handlers to writeErr(err) (T3b)

internal/api/suggestions.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/jackc/pgx/v5/pgtype"
 
+	"git.fabledsword.com/bvandeusen/minstrel/internal/apierror"
 	"git.fabledsword.com/bvandeusen/minstrel/internal/auth"
 	"git.fabledsword.com/bvandeusen/minstrel/internal/recommendation"
 )
@@ -36,14 +37,14 @@ type seedContributionView struct {
 func (h *handlers) handleListSuggestions(w http.ResponseWriter, r *http.Request) {
 	user, ok := auth.UserFromContext(r.Context())
 	if !ok {
-		writeErr(w, http.StatusUnauthorized, "unauthorized", "authentication required")
+		writeErr(w, apierror.ErrUnauthorized)
 		return
 	}
 	limit := 12
 	if v := r.URL.Query().Get("limit"); v != "" {
 		n, err := strconv.Atoi(v)
 		if err != nil || n < 1 {
-			writeErr(w, http.StatusBadRequest, "bad_request", "invalid limit")
+			writeErr(w, apierror.BadRequest("bad_request", "invalid limit"))
 			return
 		}
 		limit = n
@@ -52,7 +53,7 @@ func (h *handlers) handleListSuggestions(w http.ResponseWriter, r *http.Request)
 	if v := r.URL.Query().Get("half_life_days"); v != "" {
 		f, err := strconv.ParseFloat(v, 64)
 		if err != nil || f <= 0 {
-			writeErr(w, http.StatusBadRequest, "bad_request", "invalid half_life_days")
+			writeErr(w, apierror.BadRequest("bad_request", "invalid half_life_days"))
 			return
 		}
 		halfLife = f
@@ -61,7 +62,7 @@ func (h *handlers) handleListSuggestions(w http.ResponseWriter, r *http.Request)
 	suggestions, err := recommendation.SuggestArtists(r.Context(), h.pool, user.ID, halfLife, limit)
 	if err != nil {
 		h.logger.Error("api: list suggestions", "err", err)
-		writeErr(w, http.StatusInternalServerError, "server_error", "failed to load suggestions")
+		writeErr(w, apierror.InternalMsg("failed to load suggestions", err))
 		return
 	}