84 lines
2.0 KiB
Go
84 lines
2.0 KiB
Go
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package service
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import (
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"context"
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"database/sql"
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"fmt"
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"boc/repository"
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)
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// FinanceService handles business logic for finance operations
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type FinanceService struct {
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repo *repository.FinanceRepository
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db *sql.DB
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}
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func NewFinanceService(db *sql.DB) *FinanceService {
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return &FinanceService{
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repo: repository.NewFinanceRepository(db),
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db: db,
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}
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}
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// ListInvoices returns all invoices
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func (s *FinanceService) ListInvoices(ctx context.Context) ([]repository.Invoice, error) {
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return s.repo.ListInvoices(ctx)
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}
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// ListExpenses returns all expenses
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func (s *FinanceService) ListExpenses(ctx context.Context) ([]repository.Expense, error) {
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return s.repo.ListExpenses(ctx)
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}
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// CreateExpense creates a new expense with validation
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func (s *FinanceService) CreateExpense(ctx context.Context, e *repository.Expense) error {
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if e.Category == "" {
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return fmt.Errorf("expense category is required")
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}
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if e.Amount <= 0 {
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return fmt.Errorf("expense amount must be positive")
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}
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if e.Status == "" {
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e.Status = "pending"
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}
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return s.repo.CreateExpense(ctx, e)
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}
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// GetCashFlow returns income, outstanding, and expenses
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func (s *FinanceService) GetCashFlow(ctx context.Context) (income, outstanding, expenses float64, err error) {
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return s.repo.GetCashFlow(ctx)
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}
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// GetAccounts returns all ledger accounts
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func (s *FinanceService) GetAccounts(ctx context.Context) ([]repository.Account, error) {
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return s.repo.GetAccounts(ctx)
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}
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// GetBalanceSheet returns a simplified balance sheet
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func (s *FinanceService) GetBalanceSheet(ctx context.Context) (map[string]interface{}, error) {
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accounts, err := s.repo.GetAccounts(ctx)
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if err != nil {
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return nil, err
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}
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var assets, liabilities, equity float64
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for _, a := range accounts {
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switch a.Type {
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case "asset":
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assets += a.Balance
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case "liability":
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liabilities += a.Balance
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case "equity":
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equity += a.Balance
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}
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}
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return map[string]interface{}{
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"assets": assets,
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"liabilities": liabilities,
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"equity": equity,
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"accounts": accounts,
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}, nil
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}
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