Add registry, ingest, timeline, tickets features

internal/api/helpers.go

@@ -0,0 +1,65 @@
+package api
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+	"strconv"
+	"strings"
+)
+
+func parseID(path, prefix string) (int64, bool) {
+	if !strings.HasPrefix(path, prefix) {
+		return 0, false
+	}
+
+	trimmed := strings.TrimPrefix(path, prefix)
+	if trimmed == "" || strings.Contains(trimmed, "/") {
+		return 0, false
+	}
+
+	id, err := strconv.ParseInt(trimmed, 10, 64)
+	if err != nil || id <= 0 {
+		return 0, false
+	}
+
+	return id, true
+}
+
+func parseSubresourceID(path, prefix, suffix string) (int64, bool) {
+	if !strings.HasPrefix(path, prefix) || !strings.HasSuffix(path, suffix) {
+		return 0, false
+	}
+	trimmed := strings.TrimPrefix(path, prefix)
+	trimmed = strings.TrimSuffix(trimmed, suffix)
+	if trimmed == "" || strings.Contains(trimmed, "/") {
+		return 0, false
+	}
+	id, err := strconv.ParseInt(trimmed, 10, 64)
+	if err != nil || id <= 0 {
+		return 0, false
+	}
+	return id, true
+}
+
+func decodeJSON(r *http.Request, dest any) error {
+	decoder := json.NewDecoder(r.Body)
+	decoder.DisallowUnknownFields()
+	if err := decoder.Decode(dest); err != nil {
+		return err
+	}
+	if err := decoder.Decode(&struct{}{}); err != io.EOF {
+		return err
+	}
+	return nil
+}
+
+func writeJSON(w http.ResponseWriter, status int, payload any) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(status)
+	_ = json.NewEncoder(w).Encode(payload)
+}
+
+func writeError(w http.ResponseWriter, status int, message string) {
+	writeJSON(w, status, map[string]string{"error": message})
+}