emilandClaude Sonnet 4.6
50b3c4198a
- Go backend: auth (JWT), points earn/spend, QR token generation, partners, admin grant/stats endpoints with chi router - Next.js 14 frontend: login, student dashboard, transaction history, QR display, partners list - PostgreSQL migrations (4 tables), Redis cache, Docker Compose - CORS middleware, role-based route protection, Zustand auth store Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
52 lines
1.5 KiB
Go
52 lines
1.5 KiB
Go
package users
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import "context"
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// Service handles business logic for the users domain.
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type Service struct {
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repo *Repository
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}
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// NewService creates a new users Service.
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func NewService(repo *Repository) *Service {
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return &Service{repo: repo}
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}
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// Profile represents a student's public profile and current balance.
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type Profile struct {
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ID string `json:"id"`
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Email string `json:"email"`
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Name string `json:"name"`
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StudentID string `json:"student_id,omitempty"`
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Balance int `json:"balance"`
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}
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// Transaction represents a single point-earning or point-spending event.
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type Transaction struct {
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ID string `json:"id"`
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Amount int `json:"amount"`
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Type string `json:"type"`
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Description string `json:"description,omitempty"`
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PartnerID string `json:"partner_id,omitempty"`
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CreatedAt string `json:"created_at"`
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}
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// GetProfile returns the profile and current balance for the given user.
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func (s *Service) GetProfile(ctx context.Context, userID string) (*Profile, error) {
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return s.repo.GetByID(ctx, userID)
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}
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// GetTransactions returns a paginated list of transactions for the given user
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// (newest first) together with the total row count for pagination metadata.
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func (s *Service) GetTransactions(ctx context.Context, userID string, limit, offset int) ([]Transaction, int, error) {
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total, err := s.repo.CountTransactions(ctx, userID)
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if err != nil {
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return nil, 0, err
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}
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txs, err := s.repo.ListTransactions(ctx, userID, limit, offset)
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if err != nil {
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return nil, 0, err
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}
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return txs, total, nil
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}
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