42 lines
1.4 KiB
Go
42 lines
1.4 KiB
Go
// Package usecase holds the application logic — registration and login — plus
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// the ports (interfaces) it depends on. The concrete adapters (PostgreSQL,
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// bcrypt, JWT) are injected from cmd, so this package never imports them.
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package usecase
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import (
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"context"
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"time"
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"github.com/google/uuid"
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"github.com/emil28092005/SciMesh/users/internal/domain"
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)
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// UserRepository persists and looks up users. Implementations return the
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// sentinel errors in errors.go so the use cases can react without knowing about
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// SQL or driver types.
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type UserRepository interface {
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// Insert stores a new user, returning ErrEmailExists if the email is taken.
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Insert(ctx context.Context, u *domain.User) error
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// GetByEmail returns the user with the (normalised) email, or ErrUserNotFound.
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GetByEmail(ctx context.Context, email string) (*domain.User, error)
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// GetByID returns the user with id, or ErrUserNotFound.
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GetByID(ctx context.Context, id uuid.UUID) (*domain.User, error)
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}
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// PasswordHasher hashes and verifies passwords. The bcrypt adapter satisfies it.
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type PasswordHasher interface {
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Hash(password string) (string, error)
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Compare(hash, password string) error
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}
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// TokenIssuer mints a signed access token for an authenticated user.
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type TokenIssuer interface {
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Issue(userID uuid.UUID, role domain.Role) (string, error)
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}
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// Clock reads the current time; a fake one makes tests deterministic.
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type Clock interface {
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Now() time.Time
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}
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