From b77d2c16abe5313f607d415fa1e7801bd473fc48 Mon Sep 17 00:00:00 2001
From: Stephan D <sdeshevikh@yandex.ru>
Date: Thu, 11 Dec 2025 22:25:51 +0100
Subject: [PATCH] improved logging

---
 .../fees/internal/service/fees/logging.go     | 88 +++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 api/billing/fees/internal/service/fees/logging.go

diff --git a/api/billing/fees/internal/service/fees/logging.go b/api/billing/fees/internal/service/fees/logging.go
new file mode 100644
index 0000000..d621628
--- /dev/null
+++ b/api/billing/fees/internal/service/fees/logging.go
@@ -0,0 +1,88 @@
+package fees
+
+import (
+	"strings"
+	"time"
+
+	feesv1 "github.com/tech/sendico/pkg/proto/billing/fees/v1"
+	tracev1 "github.com/tech/sendico/pkg/proto/common/trace/v1"
+	"go.uber.org/zap"
+)
+
+func requestLogFields(meta *feesv1.RequestMeta, intent *feesv1.Intent) []zap.Field {
+	fields := logFieldsFromRequestMeta(meta)
+	fields = append(fields, logFieldsFromIntent(intent)...)
+	return fields
+}
+
+func logFieldsFromRequestMeta(meta *feesv1.RequestMeta) []zap.Field {
+	if meta == nil {
+		return nil
+	}
+	fields := make([]zap.Field, 0, 4)
+	if org := strings.TrimSpace(meta.GetOrganizationRef()); org != "" {
+		fields = append(fields, zap.String("organization_ref", org))
+	}
+	fields = append(fields, logFieldsFromTrace(meta.GetTrace())...)
+	return fields
+}
+
+func logFieldsFromIntent(intent *feesv1.Intent) []zap.Field {
+	if intent == nil {
+		return nil
+	}
+	fields := make([]zap.Field, 0, 5)
+	if trigger := intent.GetTrigger(); trigger != feesv1.Trigger_TRIGGER_UNSPECIFIED {
+		fields = append(fields, zap.String("trigger", trigger.String()))
+	}
+	if base := intent.GetBaseAmount(); base != nil {
+		if amount := strings.TrimSpace(base.GetAmount()); amount != "" {
+			fields = append(fields, zap.String("base_amount", amount))
+		}
+		if currency := strings.TrimSpace(base.GetCurrency()); currency != "" {
+			fields = append(fields, zap.String("base_currency", currency))
+		}
+	}
+	if booked := intent.GetBookedAt(); booked != nil && booked.IsValid() {
+		fields = append(fields, zap.Time("booked_at", booked.AsTime()))
+	}
+	if attrs := intent.GetAttributes(); len(attrs) > 0 {
+		fields = append(fields, zap.Int("attributes_count", len(attrs)))
+	}
+	return fields
+}
+
+func logFieldsFromTrace(trace *tracev1.TraceContext) []zap.Field {
+	if trace == nil {
+		return nil
+	}
+	fields := make([]zap.Field, 0, 3)
+	if reqRef := strings.TrimSpace(trace.GetRequestRef()); reqRef != "" {
+		fields = append(fields, zap.String("request_ref", reqRef))
+	}
+	if idem := strings.TrimSpace(trace.GetIdempotencyKey()); idem != "" {
+		fields = append(fields, zap.String("idempotency_key", idem))
+	}
+	if traceRef := strings.TrimSpace(trace.GetTraceRef()); traceRef != "" {
+		fields = append(fields, zap.String("trace_ref", traceRef))
+	}
+	return fields
+}
+
+func logFieldsFromTokenPayload(payload *feeQuoteTokenPayload) []zap.Field {
+	if payload == nil {
+		return nil
+	}
+	fields := make([]zap.Field, 0, 6)
+	if org := strings.TrimSpace(payload.OrganizationRef); org != "" {
+		fields = append(fields, zap.String("organization_ref", org))
+	}
+	if payload.ExpiresAtUnixMs > 0 {
+		fields = append(fields,
+			zap.Int64("expires_at_unix_ms", payload.ExpiresAtUnixMs),
+			zap.Time("expires_at", time.UnixMilli(payload.ExpiresAtUnixMs)))
+	}
+	fields = append(fields, logFieldsFromIntent(payload.Intent)...)
+	fields = append(fields, logFieldsFromTrace(payload.Trace)...)
+	return fields
+}