set and get now work trough endpoint api

internal/database/currency.go

@@ -19,3 +19,15 @@ func GetCurrencyByID(db *sql.DB, ID int) (model.Currency, error) {
 	}
 	return c, nil
 }
+
+func GetCurrencyByCode(db *sql.DB, Code string) (model.Currency, error) {
+	var c model.Currency
+	err := db.QueryRow(
+		`SELECT id, code, name, FROM currencies WHERE code = ?`,
+		Code,
+	).Scan(&c.ID, &c.Code, &c.Name)
+	if err == sql.ErrNoRows {
+		return c, fmt.Errorf("company %d not found", Code)
+	}
+	return c, nil
+}

internal/database/main.go

@@ -23,7 +23,7 @@ func InitDB(db *sql.DB) {
         shares      INTEGER NOT NULL,
         product     INTEGER NOT NULL CHECK(product IN (0, 1, 2, 3)),
         type        INTEGER NOT NULL CHECK(type IN (0, 1)),
-        price       REAL    NOT NULL
+        price       REAL    NOT NULL,
         traded_at   DATETIME NOT NULL
     );
 
@@ -33,7 +33,7 @@ func InitDB(db *sql.DB) {
         currency_id INTEGER NOT NULL,
         shares      INTEGER NOT NULL,
         weight      REAL NOT NULL,
-        CostBases   REAL NOT NULL,
+        cost_basis  REAL NOT NULL
     );
 
     CREATE TABLE IF NOT EXISTS companies (

internal/database/portfolio.go

@@ -3,24 +3,50 @@ package database
 import (
 	"Portifolio/internal/model"
 	"database/sql"
+	"fmt"
 
 	_ "github.com/mattn/go-sqlite3"
 )
 
 func GetTrades(db *sql.DB) ([]model.Trade, error) {
-	rows, err := db.Query("SELECT id, company_id, currency_id, shares, product, type, price, traded_at FROM trades")
+	rows, err := db.Query("SELECT company_id, currency_id, shares, product, type, price, traded_at FROM trades")
 	if err != nil {
 		return nil, err
 	}
 	defer rows.Close()
 
 	var trades []model.Trade
+
 	for rows.Next() {
+		var TickerInt int
+		var CurrencyInt int
+		var TypeInt int
+
 		var t model.Trade
-		err := rows.Scan(&t.Ticker, &t.Currency, &t.Shares, &t.Product, &t.Type, &t.Price, &t.Date)
+		err := rows.Scan(&TickerInt, &CurrencyInt, &t.Shares, &t.Product, &TypeInt, &t.Price, &t.Date)
 		if err != nil {
 			return nil, err
 		}
+
+		company, err := GetCompanyByID(db, TickerInt)
+		if err != nil {
+			return nil, err
+		}
+		currency, err := GetCurrencyByID(db, CurrencyInt)
+		if err != nil {
+			return nil, err
+		}
+		t.Currency = currency
+		t.Ticker = *company
+		switch TypeInt {
+		case 0:
+			t.Type = model.TradeType(false)
+		case 1:
+			t.Type = model.TradeType(true)
+		default:
+			return nil, fmt.Errorf("failed to convert given Type int to bool of trade type.")
+		}
+
 		trades = append(trades, t)
 	}
 	if err = rows.Err(); err != nil {

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
 		}
 	}

internal/model/portifolio.go

@@ -41,13 +41,13 @@ type Trade struct {
 }
 
 type AddTradeRequest struct {
-	TickerId int
-	Shares   int
-	Product  int
-	Type     bool
-	Price    float64
-	Currency string
-	Date     time.Time
+	TickerId int       `json:"ticker_id"`
+	Shares   int       `json:"shares"`
+	Product  int       `json:"product"`
+	Type     bool      `json:"type"`
+	Price    float64   `json:"price"`
+	Currency string    `json:"currency"`
+	Date     time.Time `json:"date"`
 }
 
 func (r *AddTradeRequest) Validate() error {