set and get now work trough endpoint api

internal/handlers/portfolio.go

@@ -5,6 +5,7 @@ import (
 	"Portifolio/internal/model"
 	"database/sql"
 	"encoding/json"
+	"fmt"
 	"net/http"
 
 	_ "github.com/mattn/go-sqlite3"
@@ -20,10 +21,35 @@ func AddTradeHandler(db *sql.DB) http.HandlerFunc {
 
 		err := req.Validate()
 		if err != nil {
-			http.Error(w, "invalid json", http.StatusBadRequest)
+			http.Error(w, fmt.Sprintf("failed to validate trade: %s", err), http.StatusInternalServerError)
 			return
 		}
 
+		// check if currency is in the db.
+		currency, err := database.GetCurrencyByCode(db, req.Currency)
+		if err != nil {
+			http.Error(w, fmt.Sprintf("failed to find currency: %s", err), http.StatusInternalServerError)
+			return
+		}
+
+		// check if company is in the db.
+		company, err := database.GetCompanyByID(db, req.TickerId)
+		if err != nil {
+			http.Error(w, fmt.Sprintf("failed to find currency: %s", err), http.StatusInternalServerError)
+			return
+		}
+
+		trade := model.Trade{
+			Ticker:   *company,
+			Shares:   req.Shares,
+			Product:  model.TradeProduct(req.Product),
+			Type:     model.TradeType(req.Type),
+			Price:    req.Price,
+			Currency: currency,
+			Date:     req.Date,
+		}
+
+		database.InsertTrade(db, trade)
 	}
 }
 
@@ -31,13 +57,13 @@ func GetTradeListHandler(db *sql.DB) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		tradeList, err := database.GetTrades(db)
 		if err != nil {
-			http.Error(w, "failed to fetch trades", http.StatusInternalServerError)
+			http.Error(w, fmt.Sprintf("failed to fetch trades:", err), http.StatusInternalServerError)
 			return
 		}
 
 		w.Header().Set("Content-Type", "application/json")
 		if err := json.NewEncoder(w).Encode(tradeList); err != nil {
-			http.Error(w, "failed to encode trades", http.StatusInternalServerError)
+			http.Error(w, fmt.Sprintf("failed to encode trades: %s", err), http.StatusInternalServerError)
 			return
 		}
 	}