266 lines
7.4 KiB
Go
266 lines
7.4 KiB
Go
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package tenant
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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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"sync"
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"time"
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)
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// Manager hanterar multi-tenancy för hela BOC-systemet
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type Manager struct {
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db *sql.DB
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cache map[string]*Tenant
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cacheMu sync.RWMutex
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cacheTTL time.Duration
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}
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// Tenant representerar en verksamhet i systemet
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type Tenant struct {
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ID string `json:"id"`
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Name string `json:"name"`
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Slug string `json:"slug"`
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Domain string `json:"domain"`
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OrgNumber string `json:"org_number,omitempty"` // Svenskt org.nr
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VatNumber string `json:"vat_number,omitempty"` // Momsregistreringsnummer
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Address string `json:"address,omitempty"`
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Phone string `json:"phone,omitempty"`
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Email string `json:"email,omitempty"`
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Currency string `json:"currency"` // SEK, EUR, USD
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Language string `json:"language"` // sv, en, etc.
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Timezone string `json:"timezone"`
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FiscalYear string `json:"fiscal_year"` // 2026-01-01
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Status string `json:"status"` // active, suspended, archived
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ParentID *string `json:"parent_id,omitempty"` // För koncernstruktur
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LedgerDB string `json:"ledger_db,omitempty"` // Separat ledger-databas
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Settings Settings `json:"settings"`
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CreatedAt time.Time `json:"created_at"`
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UpdatedAt time.Time `json:"updated_at"`
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}
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// Settings innehåller tenant-specifika konfigurationer
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type Settings struct {
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AccountingStandard string `json:"accounting_standard"` // BAS2024, etc.
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VatRate float64 `json:"vat_rate"`
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PayrollProvider string `json:"payroll_provider,omitempty"`
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BankAccounts []BankAccount `json:"bank_accounts,omitempty"`
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Integrations map[string]string `json:"integrations,omitempty"`
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Features []string `json:"features,omitempty"` // Vilka moduler som är aktiva
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}
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// BankAccount representerar ett bankkonto för en tenant
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type BankAccount struct {
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Name string `json:"name"`
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AccountNo string `json:"account_no"`
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BIC string `json:"bic,omitempty"`
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IBAN string `json:"iban,omitempty"`
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IsDefault bool `json:"is_default"`
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}
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// NewManager skapar en ny tenant manager
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func NewManager(db *sql.DB) *Manager {
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return &Manager{
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db: db,
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cache: make(map[string]*Tenant),
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cacheTTL: 5 * time.Minute,
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}
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}
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// GetTenant hämtar en tenant baserat på ID
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func (m *Manager) GetTenant(ctx context.Context, tenantID string) (*Tenant, error) {
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// Kolla cache först
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m.cacheMu.RLock()
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if tenant, ok := m.cache[tenantID]; ok {
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m.cacheMu.RUnlock()
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return tenant, nil
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}
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m.cacheMu.RUnlock()
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// Hämta från databas
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var t Tenant
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var settingsJSON []byte
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var parentID sql.NullString
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var fiscalYearStart sql.NullTime
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var orgNumber, vatNumber, address, phone, email, ledgerDB sql.NullString
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err := m.db.QueryRowContext(ctx, `
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SELECT id, name, slug, domain, org_number, vat_number, address, phone, email,
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currency, language, timezone, fiscal_year_start, status, parent_id,
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ledger_db, settings, created_at, updated_at
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FROM boc_tenants
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WHERE id = $1
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`, tenantID).Scan(
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&t.ID, &t.Name, &t.Slug, &t.Domain, &orgNumber,
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&vatNumber, &address, &phone, &email,
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&t.Currency, &t.Language, &t.Timezone, &fiscalYearStart,
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&t.Status, &parentID, &ledgerDB, &settingsJSON,
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&t.CreatedAt, &t.UpdatedAt,
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)
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if err != nil {
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if err == sql.ErrNoRows {
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return nil, fmt.Errorf("tenant not found: %s", tenantID)
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}
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return nil, fmt.Errorf("failed to get tenant: %w", err)
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}
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if orgNumber.Valid {
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t.OrgNumber = orgNumber.String
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}
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if vatNumber.Valid {
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t.VatNumber = vatNumber.String
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}
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if address.Valid {
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t.Address = address.String
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}
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if phone.Valid {
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t.Phone = phone.String
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}
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if email.Valid {
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t.Email = email.String
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}
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if ledgerDB.Valid {
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t.LedgerDB = ledgerDB.String
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}
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if fiscalYearStart.Valid {
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t.FiscalYear = fiscalYearStart.Time.Format("2006-01-02")
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}
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if parentID.Valid {
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t.ParentID = &parentID.String
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}
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// Parse settings JSON
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if len(settingsJSON) > 0 {
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// TODO: Parse settings
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}
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// Uppdatera cache
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m.cacheMu.Lock()
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m.cache[tenantID] = &t
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m.cacheMu.Unlock()
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return &t, nil
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}
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// GetTenantBySlug hämtar tenant baserat på slug
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func (m *Manager) GetTenantBySlug(ctx context.Context, slug string) (*Tenant, error) {
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var tenantID string
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err := m.db.QueryRowContext(ctx, `
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SELECT id FROM boc_tenants WHERE slug = $1 AND status = 'active'
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`, slug).Scan(&tenantID)
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if err != nil {
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if err == sql.ErrNoRows {
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return nil, fmt.Errorf("tenant not found: %s", slug)
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}
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return nil, err
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}
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return m.GetTenant(ctx, tenantID)
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}
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// ListTenants listar alla aktiva tenants
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func (m *Manager) ListTenants(ctx context.Context) ([]*Tenant, error) {
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rows, err := m.db.QueryContext(ctx, `
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SELECT id, name, slug, domain, status, currency, language, created_at
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FROM boc_tenants
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WHERE status = 'active'
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ORDER BY name
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`)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var tenants []*Tenant
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for rows.Next() {
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var t Tenant
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rows.Scan(&t.ID, &t.Name, &t.Slug, &t.Domain, &t.Status, &t.Currency, &t.Language, &t.CreatedAt)
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tenants = append(tenants, &t)
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}
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return tenants, nil
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}
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// ListChildTenants listar dotterbolag för en koncern
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func (m *Manager) ListChildTenants(ctx context.Context, parentID string) ([]*Tenant, error) {
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rows, err := m.db.QueryContext(ctx, `
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SELECT id, name, slug, domain, status, currency, language, created_at
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FROM boc_tenants
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WHERE parent_id = $1 AND status = 'active'
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ORDER BY name
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`, parentID)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var tenants []*Tenant
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for rows.Next() {
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var t Tenant
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rows.Scan(&t.ID, &t.Name, &t.Slug, &t.Domain, &t.Status, &t.Currency, &t.Language, &t.CreatedAt)
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tenants = append(tenants, &t)
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}
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return tenants, nil
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}
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// CreateTenant skapar en ny verksamhet
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func (m *Manager) CreateTenant(ctx context.Context, tenant *Tenant) error {
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_, err := m.db.ExecContext(ctx, `
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INSERT INTO boc_tenants (
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id, name, slug, domain, org_number, vat_number, address, phone, email,
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currency, language, timezone, fiscal_year_start, status, parent_id, ledger_db
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) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $15, $16)
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`,
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tenant.ID, tenant.Name, tenant.Slug, tenant.Domain, tenant.OrgNumber,
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tenant.VatNumber, tenant.Address, tenant.Phone, tenant.Email,
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tenant.Currency, tenant.Language, tenant.Timezone, tenant.FiscalYear,
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tenant.Status, tenant.ParentID, tenant.LedgerDB,
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)
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return err
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}
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// GetTenantLedgerDB returnerar ledger-databas för en tenant
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func (m *Manager) GetTenantLedgerDB(ctx context.Context, tenantID string) (string, error) {
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tenant, err := m.GetTenant(ctx, tenantID)
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if err != nil {
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return "", err
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}
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// Om tenant har egen ledger-databas, använd den
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if tenant.LedgerDB != "" {
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return tenant.LedgerDB, nil
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}
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// Annars använd default
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return "postgres://postgres:postgres@localhost:5432/aamos_ledger?sslmode=disable", nil
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}
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// IsFeatureEnabled kollar om en modul är aktiverad för tenant
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func (m *Manager) IsFeatureEnabled(ctx context.Context, tenantID string, feature string) bool {
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tenant, err := m.GetTenant(ctx, tenantID)
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if err != nil {
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return false
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}
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for _, f := range tenant.Settings.Features {
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if f == feature {
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return true
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}
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}
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return false
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}
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// InvalidateCache rensar cache för en tenant
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func (m *Manager) InvalidateCache(tenantID string) {
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m.cacheMu.Lock()
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delete(m.cache, tenantID)
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m.cacheMu.Unlock()
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}
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