first commit

2026-06-05 04:52:59 +00:00 · 2026-04-10 12:01:36 +02:00
commit 035ac8ddb5
61 changed files with 6600 additions and 0 deletions
@@ -0,0 +1,129 @@
+package tenancy
+
+import (
+	"context"
+	"errors"
+	"regexp"
+	"strings"
+	"time"
+
+	"bookra/apps/backend/internal/db"
+	"bookra/apps/backend/internal/domain"
+
+	"github.com/jackc/pgx/v5"
+	"github.com/jackc/pgx/v5/pgconn"
+)
+
+var (
+	ErrTenantAlreadyProvisioned = errors.New("tenant already provisioned for user")
+	ErrInvalidOnboarding        = errors.New("invalid onboarding request")
+	ErrTenantSlugTaken          = errors.New("tenant slug is already in use")
+)
+
+var tenantSlugPattern = regexp.MustCompile(`^[a-z0-9]+(?:-[a-z0-9]+)*$`)
+
+type Service struct {
+	repo db.Repository
+}
+
+func NewService(repo db.Repository) *Service {
+	return &Service{repo: repo}
+}
+
+func (s *Service) Bootstrap(ctx context.Context, principal domain.Principal) (domain.TenantBootstrap, error) {
+	membership, err := s.repo.GetTenantMembershipByUserID(ctx, principal.Subject)
+	if err != nil {
+		if errors.Is(err, pgx.ErrNoRows) {
+			return domain.TenantBootstrap{
+				TenantID:   "",
+				TenantName: "",
+				Preset:     "",
+				Locale:     "cs",
+				Timezone:   "Europe/Prague",
+				CurrentUser: domain.Principal{
+					Subject: principal.Subject,
+					Email:   principal.Email,
+					Name:    principal.Name,
+					Role:    principal.Role,
+				},
+			}, nil
+		}
+		return domain.TenantBootstrap{}, err
+	}
+
+	return domain.TenantBootstrap{
+		TenantID:   membership.Tenant.ID,
+		TenantName: membership.Tenant.Name,
+		Preset:     membership.Tenant.Preset,
+		Locale:     membership.Tenant.Locale,
+		Timezone:   membership.Tenant.Timezone,
+		PlanCode:   membership.Tenant.PlanCode,
+		CurrentUser: domain.Principal{
+			Subject: principal.Subject,
+			Email:   principal.Email,
+			Name:    principal.Name,
+			Role:    membership.Role,
+		},
+	}, nil
+}
+
+func (s *Service) Onboard(ctx context.Context, principal domain.Principal, request domain.OnboardTenantRequest) (domain.TenantBootstrap, error) {
+	if _, err := s.repo.GetTenantMembershipByUserID(ctx, principal.Subject); err == nil {
+		return domain.TenantBootstrap{}, ErrTenantAlreadyProvisioned
+	} else if !errors.Is(err, pgx.ErrNoRows) {
+		return domain.TenantBootstrap{}, err
+	}
+
+	name := strings.TrimSpace(request.Name)
+	slug := strings.TrimSpace(request.Slug)
+	preset := strings.TrimSpace(request.Preset)
+	locale := strings.TrimSpace(request.Locale)
+	timezone := strings.TrimSpace(request.Timezone)
+
+	switch {
+	case len(name) < 2 || len(name) > 80:
+		return domain.TenantBootstrap{}, ErrInvalidOnboarding
+	case len(slug) < 3 || len(slug) > 48 || !tenantSlugPattern.MatchString(slug):
+		return domain.TenantBootstrap{}, ErrInvalidOnboarding
+	case preset != "salon" && preset != "clinic" && preset != "massage" && preset != "repair" && preset != "studio":
+		return domain.TenantBootstrap{}, ErrInvalidOnboarding
+	case locale != "cs" && locale != "en":
+		return domain.TenantBootstrap{}, ErrInvalidOnboarding
+	case timezone == "":
+		return domain.TenantBootstrap{}, ErrInvalidOnboarding
+	}
+	if _, err := time.LoadLocation(timezone); err != nil {
+		return domain.TenantBootstrap{}, ErrInvalidOnboarding
+	}
+
+	membership, err := s.repo.CreateTenantForUser(ctx, db.CreateTenantForUserParams{
+		Subject:  principal.Subject,
+		Name:     name,
+		Slug:     slug,
+		Preset:   preset,
+		Locale:   locale,
+		Timezone: timezone,
+	})
+	if err != nil {
+		var pgErr *pgconn.PgError
+		if errors.As(err, &pgErr) && pgErr.Code == "23505" {
+			return domain.TenantBootstrap{}, ErrTenantSlugTaken
+		}
+		return domain.TenantBootstrap{}, err
+	}
+
+	return domain.TenantBootstrap{
+		TenantID:   membership.Tenant.ID,
+		TenantName: membership.Tenant.Name,
+		Preset:     membership.Tenant.Preset,
+		Locale:     membership.Tenant.Locale,
+		Timezone:   membership.Tenant.Timezone,
+		PlanCode:   membership.Tenant.PlanCode,
+		CurrentUser: domain.Principal{
+			Subject: principal.Subject,
+			Email:   principal.Email,
+			Name:    principal.Name,
+			Role:    membership.Role,
+		},
+	}, nil
+}