Implement yookassa client

internal/api/common/error.go

@@ -0,0 +1,36 @@
+package common
+
+import (
+	"encoding/json"
+	"fmt"
+	"log/slog"
+	"net/http"
+	"strings"
+	"unicode"
+	"unicode/utf8"
+
+	"payouts/internal/models"
+)
+
+func Reason(reason string, params ...any) slog.Attr {
+	return slog.String("reason", fmt.Sprintf(reason, params...))
+}
+
+func ErrorResponse(w http.ResponseWriter, message string, err error, status int, logOpts ...any) {
+	r, size := utf8.DecodeRuneInString(message)
+	errorMsg := string(unicode.ToUpper(r)) + strings.ToLower(message[size:])
+
+	logFields := logOpts
+	if err != nil {
+		logFields = append([]any{slog.String("error", err.Error())}, logOpts...)
+	}
+
+	slog.Error(errorMsg, logFields...)
+	w.Header().Set("Content-type", "application/json")
+	w.WriteHeader(status)
+
+	json.NewEncoder(w).Encode(&models.ErrorResp{
+		Message: errorMsg,
+		Status:  status,
+	})
+}