crossover

backend-go/internal/handlers/helpers.go

@@ -0,0 +1,30 @@
+package handlers
+
+import (
+	"encoding/json"
+	"net/http"
+	"strconv"
+)
+
+type errorBody struct {
+	Error   string `json:"error"`
+	Message string `json:"message"`
+}
+
+func writeJSON(w http.ResponseWriter, status int, v interface{}) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(status)
+	json.NewEncoder(w).Encode(v)
+}
+
+func writeError(w http.ResponseWriter, status int, code, message string) {
+	writeJSON(w, status, errorBody{Error: code, Message: message})
+}
+
+func parseIntParam(s string) (int, bool) {
+	n, err := strconv.Atoi(s)
+	if err != nil {
+		return 0, false
+	}
+	return n, true
+}