From 399872610036d9a081f8a34c4987c13a29b81f63 Mon Sep 17 00:00:00 2001
From: Ramiro Paz <ramiropaz@Ramiros-MacBook-Pro.local>
Date: Thu, 12 Mar 2026 17:10:31 -0300
Subject: [PATCH] respond automatically to quote requests

---
 src/client/fix/application.go | 15 ++++++++++-----
 src/client/fix/manager.go     | 26 ++++++++++++++++++++++++++
 2 files changed, 36 insertions(+), 5 deletions(-)

diff --git a/src/client/fix/application.go b/src/client/fix/application.go
index 8bfbeff..759c174 100644
--- a/src/client/fix/application.go
+++ b/src/client/fix/application.go
@@ -12,11 +12,12 @@ import (
 )
 
 type application struct {
-	router   *quickfix.MessageRouter
-	notifier domain.Notifier
-	onLogon  func(quickfix.SessionID)
-	onLogout func(quickfix.SessionID)
-	onQuote  func(quote.Quote, quickfix.SessionID)
+	router           *quickfix.MessageRouter
+	notifier         domain.Notifier
+	onLogon          func(quickfix.SessionID)
+	onLogout         func(quickfix.SessionID)
+	onQuote          func(quote.Quote, quickfix.SessionID)
+	onQuoteRequest   func(quoterequest.QuoteRequest, quickfix.SessionID)
 }
 
 func newApplication(n domain.Notifier) *application {
@@ -99,6 +100,10 @@ func (a *application) handleQuoteRequest(msg quoterequest.QuoteRequest, sessionI
 		"session", sessionID.String(),
 	)
 
+	if a.onQuoteRequest != nil {
+		a.onQuoteRequest(msg, sessionID)
+	}
+
 	return nil
 }
 
diff --git a/src/client/fix/manager.go b/src/client/fix/manager.go
index 3eb26c7..646ad40 100644
--- a/src/client/fix/manager.go
+++ b/src/client/fix/manager.go
@@ -13,6 +13,7 @@ import (
 	"quantex.com/qfixdpl/quickfix/gen/enum"
 	"quantex.com/qfixdpl/quickfix/gen/field"
 	"quantex.com/qfixdpl/quickfix/gen/fix50sp2/quote"
+	"quantex.com/qfixdpl/quickfix/gen/fix50sp2/quoterequest"
 	"quantex.com/qfixdpl/quickfix/store/file"
 	"quantex.com/qfixdpl/src/app"
 	"quantex.com/qfixdpl/src/common/tracerr"
@@ -43,6 +44,7 @@ func (m *Manager) Start() error {
 	fixApp := newApplication(m.notify)
 	fixApp.onLogon = m.onLogon
 	fixApp.onLogout = m.onLogout
+	fixApp.onQuoteRequest = m.handleQuoteRequest
 	m.app = fixApp
 
 	f, err := os.Open(m.cfg.SettingsFile)
@@ -166,3 +168,27 @@ func (m *Manager) SendQuote(clOrdID, quoteID, symbol, currency string, bidPx, of
 
 	return nil
 }
+
+// handleQuoteRequest auto-responds to an incoming QuoteRequest with a quote at price 99.6.
+func (m *Manager) handleQuoteRequest(msg quoterequest.QuoteRequest, sessionID quickfix.SessionID) {
+	quoteReqID, err := msg.GetQuoteReqID()
+	if err != nil {
+		slog.Error("handleQuoteRequest: missing QuoteReqID", "error", err.Error())
+		return
+	}
+
+	var symbol, currency string
+
+	relatedSyms, relErr := msg.GetNoRelatedSym()
+	if relErr == nil && relatedSyms.Len() > 0 {
+		sym := relatedSyms.Get(0)
+		symbol, _ = sym.GetSymbol()
+		currency, _ = sym.GetCurrency()
+	}
+
+	price := decimal.NewFromFloat(99.6)
+
+	if sendErr := m.SendQuote(quoteReqID, quoteReqID, symbol, currency, price, price, decimal.Zero, decimal.Zero); sendErr != nil {
+		slog.Error("handleQuoteRequest: failed to send quote", "quoteReqID", quoteReqID, "error", sendErr.Error())
+	}
+}