79 lines
1.9 KiB
Go
79 lines
1.9 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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// SalesService handles business logic for sales operations
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type SalesService struct {
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repo *repository.SalesRepository
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db *sql.DB
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}
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func NewSalesService(db *sql.DB) *SalesService {
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return &SalesService{
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repo: repository.NewSalesRepository(db),
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db: db,
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}
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}
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// ListDeals returns all deals filtered by status
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func (s *SalesService) ListDeals(ctx context.Context, status string) ([]repository.Deal, error) {
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return s.repo.ListDeals(ctx, status)
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}
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// GetDeal returns a single deal by ID
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func (s *SalesService) GetDeal(ctx context.Context, id string) (*repository.Deal, error) {
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return s.repo.GetDeal(ctx, id)
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}
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// CreateDeal creates a new deal with validation
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func (s *SalesService) CreateDeal(ctx context.Context, d *repository.Deal) error {
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if d.Name == "" {
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return fmt.Errorf("deal name is required")
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}
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if d.CustomerID == "" {
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return fmt.Errorf("customer ID is required")
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}
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if d.Value <= 0 {
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return fmt.Errorf("deal value must be positive")
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}
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if d.Status == "" {
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d.Status = "open"
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}
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if d.Stage == "" {
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d.Stage = "discovery"
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}
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if d.Currency == "" {
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d.Currency = "USD"
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}
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return s.repo.CreateDeal(ctx, d)
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}
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// UpdateDeal updates an existing deal
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func (s *SalesService) UpdateDeal(ctx context.Context, id string, d *repository.Deal) error {
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if d.Name == "" {
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return fmt.Errorf("deal name is required")
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}
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return s.repo.UpdateDeal(ctx, id, d)
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}
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// ListProducts returns all active products
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func (s *SalesService) ListProducts(ctx context.Context) ([]repository.Product, error) {
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return s.repo.ListProducts(ctx)
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}
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// GetMRR calculates monthly recurring revenue
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func (s *SalesService) GetMRR(ctx context.Context) (float64, error) {
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return s.repo.GetMRR(ctx)
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}
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// GetARR calculates annual recurring revenue
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func (s *SalesService) GetARR(ctx context.Context) (float64, error) {
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return s.repo.GetARR(ctx)
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}
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