first commit of restructured project

trahn-trade-backend/internal/api/sr_routes.go

@@ -0,0 +1,52 @@
+package api
+
+import (
+	"fmt"
+	"net/http"
+	"time"
+)
+
+type srLatestResponse struct {
+	Support      float64   `json:"support"`
+	Resistance   float64   `json:"resistance"`
+	Midpoint     float64   `json:"midpoint"`
+	AvgPrice     *float64  `json:"avgPrice"`
+	Method       string    `json:"method"`
+	LookbackDays int       `json:"lookbackDays"`
+	Timestamp    time.Time `json:"timestamp"`
+}
+
+func (s *Server) handleSRLatest(w http.ResponseWriter, r *http.Request) {
+	sr, err := s.srRepo.GetLatest(r.Context())
+	if err != nil {
+		fmt.Printf("Error fetching latest S/R: %v\n", err)
+		writeError(w, http.StatusInternalServerError, "failed to fetch S/R data")
+		return
+	}
+	if sr == nil {
+		writeError(w, http.StatusNotFound, "no S/R data available")
+		return
+	}
+
+	writeJSON(w, http.StatusOK, srLatestResponse{
+		Support:      sr.Support,
+		Resistance:   sr.Resistance,
+		Midpoint:     sr.Midpoint,
+		AvgPrice:     sr.AvgPrice,
+		Method:       sr.Method,
+		LookbackDays: sr.LookbackDays,
+		Timestamp:    sr.Timestamp,
+	})
+}
+
+func (s *Server) handleSRHistory(w http.ResponseWriter, r *http.Request) {
+	limit := parseLimit(r, 100)
+
+	history, err := s.srRepo.GetHistory(r.Context(), limit)
+	if err != nil {
+		fmt.Printf("Error fetching S/R history: %v\n", err)
+		writeError(w, http.StatusInternalServerError, "failed to fetch S/R history")
+		return
+	}
+	writeJSON(w, http.StatusOK, history)
+}