basic internal structure

internal/shell/company.go

@@ -0,0 +1,54 @@
+package shell
+
+import (
+	"Portifolio/internal/model"
+	"Portifolio/internal/service"
+	"bufio"
+	"database/sql"
+	"fmt"
+	"strconv"
+	"strings"
+
+	_ "github.com/mattn/go-sqlite3"
+)
+
+func AddCompany(scanner *bufio.Scanner, db *sql.DB) {
+	input := model.CompanyInput{}
+
+	fmt.Print("  Name: ")
+	scanner.Scan()
+	input.Name = strings.TrimSpace(scanner.Text())
+
+	fmt.Print("  Shares outstanding: ")
+	scanner.Scan()
+	shares, err := strconv.Atoi(strings.TrimSpace(scanner.Text()))
+	if err != nil {
+		fmt.Println("  Invalid number for shares.")
+		return
+	}
+	input.SharesOutstanding = shares
+
+	fmt.Print("  Price: ")
+	scanner.Scan()
+	price, err := strconv.ParseFloat(strings.TrimSpace(scanner.Text()), 64)
+	if err != nil {
+		fmt.Println("  Invalid number for price.")
+		return
+	}
+	input.Price = price
+
+	fmt.Print("  Currency ID: ")
+	scanner.Scan()
+	cid, err := strconv.Atoi(strings.TrimSpace(scanner.Text()))
+	if err != nil {
+		fmt.Println("  Invalid currency ID.")
+		return
+	}
+	input.CurrencyID = cid
+
+	if err := service.AddCompany(input, db); err != nil {
+		fmt.Println("  Error:", err)
+		return
+	}
+	fmt.Printf("  ✓ Company '%s' added.\n", input.Name)
+}