87 lines
2.8 KiB
Go
87 lines
2.8 KiB
Go
package tenant
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import (
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"context"
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"fmt"
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"github.com/jackc/pgx/v5"
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"github.com/jackc/pgx/v5/pgxpool"
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)
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// Registry kapselt den Zugriff auf die Control-Plane-Registry-Datenbank.
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// Sie enthaelt ausschliesslich Tenant-Metadaten (Akzeptanzkriterium 1) —
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// niemals Geschaeftsdaten eines Mandanten.
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type Registry struct {
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pool *pgxpool.Pool
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}
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func NewRegistry(pool *pgxpool.Pool) *Registry {
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return &Registry{pool: pool}
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}
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// insertTx schreibt den Tenant-Datensatz innerhalb einer laufenden Transaktion,
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// damit Provisioner.Provision DB-Anlage und Registrierung atomar behandeln kann.
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func (r *Registry) insertTx(ctx context.Context, tx pgx.Tx, t Tenant) (Tenant, error) {
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row := tx.QueryRow(ctx, `
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INSERT INTO tenants (slug, name, db_name, db_dsn, status)
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VALUES ($1, $2, $3, $4, $5)
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RETURNING id, created_at
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`, t.Slug, t.Name, t.DBName, t.DBDSN, t.Status)
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if err := row.Scan(&t.ID, &t.CreatedAt); err != nil {
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return Tenant{}, fmt.Errorf("tenant registrieren: %w", err)
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}
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return t, nil
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}
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func (r *Registry) GetBySlug(ctx context.Context, slug string) (Tenant, error) {
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// previous_status/deletion_scheduled_at werden mitgelesen, damit TEN-04
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// (internal/tenant/lifecycle.go) den vollstaendigen Lebenszyklus-Zustand
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// ueber GetBySlug ansehen kann, statt eine eigene Abfrage zu duplizieren.
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// retention_block_reason/retention_checked_at (TEN-08) aus demselben Grund
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// fuer die Admin-Einsehbarkeit des Sperrgrunds (Akzeptanzkriterium 2).
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row := r.pool.QueryRow(ctx, `
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SELECT id, slug, name, db_name, db_dsn, status, created_at, previous_status, deletion_scheduled_at,
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retention_block_reason, retention_checked_at
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FROM tenants WHERE slug = $1
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`, slug)
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t, err := scanTenantWithLifecycle(row)
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if err != nil {
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return Tenant{}, fmt.Errorf("tenant laden: %w", err)
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}
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return t, nil
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}
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// Delete entfernt einen Registry-Eintrag. Wird von Provisioner.Deprovision
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// als Kompensation verwendet, wenn nach erfolgreicher Registrierung ein
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// nachgelagerter Schritt (z.B. Admin-Account-Anlage in TEN-02) fehlschlaegt.
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func (r *Registry) Delete(ctx context.Context, id string) error {
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if _, err := r.pool.Exec(ctx, `DELETE FROM tenants WHERE id = $1`, id); err != nil {
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return fmt.Errorf("tenant loeschen: %w", err)
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}
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return nil
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}
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func (r *Registry) List(ctx context.Context) ([]Tenant, error) {
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rows, err := r.pool.Query(ctx, `
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SELECT id, slug, name, db_name, db_dsn, status, created_at, previous_status, deletion_scheduled_at,
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retention_block_reason, retention_checked_at
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FROM tenants ORDER BY created_at
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`)
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if err != nil {
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return nil, fmt.Errorf("tenants auflisten: %w", err)
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}
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defer rows.Close()
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var out []Tenant
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for rows.Next() {
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t, err := scanTenantWithLifecycle(rows)
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if err != nil {
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return nil, fmt.Errorf("tenant lesen: %w", err)
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}
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out = append(out, t)
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}
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return out, rows.Err()
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}
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