new endpoints

internal/model/portifolio.go

@@ -0,0 +1,81 @@
+package model
+
+import (
+	"errors"
+	"time"
+)
+
+type Position struct {
+	Company   Company
+	weight    float64
+	CostBasis float64
+	Shares    int
+}
+
+type TradeProduct int
+
+const (
+	StockTrade      TradeProduct = iota // 0
+	OptionCallTrade                     // 1
+	OptionPutTrade                      // 2
+	CurrencyTrade                       // 3
+	BondTrade
+)
+
+type TradeType bool
+
+const (
+	Buy  TradeType = true
+	Sell TradeType = false
+)
+
+type Trade struct {
+	Ticker   Company
+	Shares   int
+	Product  TradeProduct
+	Type     TradeType
+	Price    float64
+	Currency Currency
+	Date     time.Time
+}
+
+type AddTradeRequest struct {
+	TickerId int
+	Shares   int
+	Product  int
+	Type     bool
+	Price    float64
+	Currency string
+	Date     time.Time
+}
+
+func (r *AddTradeRequest) Validate() error {
+	if r.TickerId <= 0 {
+		return errors.New("ticker id must be a positive integer")
+	}
+	if r.Shares <= 0 {
+		return errors.New("shares must be a positive integer")
+	}
+	if r.Product < 0 || r.Product > 3 {
+		return errors.New("product must be between 0 and 3")
+	}
+	if r.Price <= 0 {
+		return errors.New("price must be a positive number")
+	}
+	if r.Currency == "" {
+		return errors.New("currency is required")
+	}
+	if r.Date.IsZero() {
+		return errors.New("date is required")
+	}
+	if r.Date.After(time.Now()) {
+		return errors.New("date cannot be in the future")
+	}
+	return nil
+}
+
+// for now trades and none stock position will not be supported.
+type Portifolio struct {
+	Positions []Position
+	Trades    []Trade
+}