first commit of restructured project

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

@@ -0,0 +1,79 @@
+package api
+
+import (
+	"fmt"
+	"net/http"
+
+	"github.com/kjannette/trahn-backend/internal/repository"
+)
+
+type priceJSON struct {
+	T int64   `json:"t"`
+	P float64 `json:"p"`
+}
+
+func (s *Server) handlePricesToday(w http.ResponseWriter, r *http.Request) {
+	ctx := r.Context()
+	today := repository.TradingDayNow()
+	prices, err := s.priceRepo.GetByDay(ctx, today)
+	if err != nil {
+		fmt.Printf("Error fetching today's prices: %v\n", err)
+		writeError(w, http.StatusInternalServerError, "failed to fetch prices")
+		return
+	}
+
+	out := make([]priceJSON, len(prices))
+	for i, p := range prices {
+		out[i] = priceJSON{T: p.Timestamp.UnixMilli(), P: p.Price}
+	}
+	writeJSON(w, http.StatusOK, out)
+}
+
+func (s *Server) handlePricesByDay(w http.ResponseWriter, r *http.Request) {
+	date := r.PathValue("date")
+	if !validateDate(date) {
+		writeError(w, http.StatusBadRequest, "invalid date format, expected YYYY-MM-DD")
+		return
+	}
+
+	ctx := r.Context()
+	prices, err := s.priceRepo.GetByDay(ctx, date)
+	if err != nil {
+		fmt.Printf("Error fetching prices for %s: %v\n", date, err)
+		writeError(w, http.StatusInternalServerError, "failed to fetch prices")
+		return
+	}
+
+	out := make([]priceJSON, len(prices))
+	for i, p := range prices {
+		out[i] = priceJSON{T: p.Timestamp.UnixMilli(), P: p.Price}
+	}
+	writeJSON(w, http.StatusOK, out)
+}
+
+func (s *Server) handleAvailableDays(w http.ResponseWriter, r *http.Request) {
+	days, err := s.priceRepo.GetAvailableDays(r.Context())
+	if err != nil {
+		fmt.Printf("Error fetching available days: %v\n", err)
+		writeError(w, http.StatusInternalServerError, "failed to fetch available days")
+		return
+	}
+	if days == nil {
+		days = []string{}
+	}
+	writeJSON(w, http.StatusOK, days)
+}
+
+func (s *Server) handleLatestPrice(w http.ResponseWriter, r *http.Request) {
+	price, err := s.priceRepo.GetLatest(r.Context())
+	if err != nil {
+		fmt.Printf("Error fetching latest price: %v\n", err)
+		writeError(w, http.StatusInternalServerError, "failed to fetch latest price")
+		return
+	}
+	if price == nil {
+		writeError(w, http.StatusNotFound, "no price data available")
+		return
+	}
+	writeJSON(w, http.StatusOK, priceJSON{T: price.Timestamp.UnixMilli(), P: price.Price})
+}