first commit

Made-with: Cursor

internal/service/user.go

@@ -0,0 +1,92 @@
+package service
+
+import (
+	"context"
+
+	"github.com/calendarapi/internal/models"
+	"github.com/calendarapi/internal/repository"
+	"github.com/calendarapi/internal/utils"
+	"github.com/google/uuid"
+	"github.com/jackc/pgx/v5"
+	"github.com/jackc/pgx/v5/pgxpool"
+)
+
+type UserService struct {
+	pool    *pgxpool.Pool
+	queries *repository.Queries
+	audit   *AuditService
+}
+
+func NewUserService(pool *pgxpool.Pool, queries *repository.Queries, audit *AuditService) *UserService {
+	return &UserService{pool: pool, queries: queries, audit: audit}
+}
+
+func (s *UserService) GetMe(ctx context.Context, userID uuid.UUID) (*models.User, error) {
+	u, err := s.queries.GetUserByID(ctx, utils.ToPgUUID(userID))
+	if err != nil {
+		if err == pgx.ErrNoRows {
+			return nil, models.ErrNotFound
+		}
+		return nil, models.ErrInternal
+	}
+	user := userFromIDRow(u)
+	return &user, nil
+}
+
+func (s *UserService) Update(ctx context.Context, userID uuid.UUID, timezone *string) (*models.User, error) {
+	if timezone != nil {
+		if err := utils.ValidateTimezone(*timezone); err != nil {
+			return nil, err
+		}
+	}
+
+	u, err := s.queries.UpdateUser(ctx, repository.UpdateUserParams{
+		ID:       utils.ToPgUUID(userID),
+		Timezone: utils.ToPgTextPtr(timezone),
+	})
+	if err != nil {
+		if err == pgx.ErrNoRows {
+			return nil, models.ErrNotFound
+		}
+		return nil, models.ErrInternal
+	}
+	user := userFromUpdateRow(u)
+	return &user, nil
+}
+
+func (s *UserService) Delete(ctx context.Context, userID uuid.UUID) error {
+	tx, err := s.pool.Begin(ctx)
+	if err != nil {
+		return models.ErrInternal
+	}
+	defer tx.Rollback(ctx)
+
+	qtx := s.queries.WithTx(tx)
+	pgID := utils.ToPgUUID(userID)
+
+	if err := qtx.SoftDeleteContactsByOwner(ctx, pgID); err != nil {
+		return models.ErrInternal
+	}
+	if err := qtx.SoftDeleteEventsByCreator(ctx, pgID); err != nil {
+		return models.ErrInternal
+	}
+	if err := qtx.SoftDeleteCalendarsByOwner(ctx, pgID); err != nil {
+		return models.ErrInternal
+	}
+	if err := qtx.RevokeAllUserAPIKeys(ctx, pgID); err != nil {
+		return models.ErrInternal
+	}
+	if err := qtx.RevokeAllUserRefreshTokens(ctx, pgID); err != nil {
+		return models.ErrInternal
+	}
+	if err := qtx.SoftDeleteUser(ctx, pgID); err != nil {
+		return models.ErrInternal
+	}
+
+	if err := tx.Commit(ctx); err != nil {
+		return models.ErrInternal
+	}
+
+	s.audit.Log(ctx, "user", userID, "DELETE_USER", userID)
+	return nil
+}