Move creator passwords into identity accounts

adapters/postgres/identity_repository.go

@@ -26,3 +26,39 @@ func (r *IdentityRepository) LoadBinding(ctx context.Context, actor identity.Act
 	}
 	return binding, nil
 }
+
+func (r *IdentityRepository) LoadCreatorAccount(ctx context.Context, username string) (identity.CreatorAccount, error) {
+	var account identity.CreatorAccount
+	err := r.pool.QueryRow(ctx, `SELECT username, actor_id, principal_id, password_hash, revision FROM identity.creator_accounts WHERE username=$1`, username).
+		Scan(&account.Username, &account.ActorID, &account.PrincipalID, &account.PasswordHash, &account.Revision)
+	if err != nil {
+		return identity.CreatorAccount{}, fmt.Errorf("load creator account: %w", err)
+	}
+	return account, nil
+}
+
+func (r *IdentityRepository) LoadCreatorAccountByBinding(ctx context.Context, actor identity.ActorID, principal identity.PrincipalID) (identity.CreatorAccount, error) {
+	var account identity.CreatorAccount
+	err := r.pool.QueryRow(ctx, `SELECT username, actor_id, principal_id, password_hash, revision FROM identity.creator_accounts WHERE actor_id=$1 AND principal_id=$2`, actor, principal).
+		Scan(&account.Username, &account.ActorID, &account.PrincipalID, &account.PasswordHash, &account.Revision)
+	if err != nil {
+		return identity.CreatorAccount{}, fmt.Errorf("load creator account by binding: %w", err)
+	}
+	return account, nil
+}
+
+func (r *IdentityRepository) CreateCreatorAccount(ctx context.Context, account identity.CreatorAccount) error {
+	_, err := r.pool.Exec(ctx, `INSERT INTO identity.creator_accounts (username, actor_id, principal_id, password_hash) VALUES ($1,$2,$3,$4) ON CONFLICT (username) DO NOTHING`, account.Username, account.ActorID, account.PrincipalID, account.PasswordHash)
+	return err
+}
+
+func (r *IdentityRepository) UpdateCreatorPassword(ctx context.Context, actor identity.ActorID, principal identity.PrincipalID, revision int64, passwordHash string) error {
+	result, err := r.pool.Exec(ctx, `UPDATE identity.creator_accounts SET password_hash=$1, revision=revision+1, password_changed_at=CURRENT_TIMESTAMP WHERE actor_id=$2 AND principal_id=$3 AND revision=$4`, passwordHash, actor, principal, revision)
+	if err != nil {
+		return fmt.Errorf("update creator password: %w", err)
+	}
+	if result.RowsAffected() != 1 {
+		return fmt.Errorf("update creator password: revision conflict")
+	}
+	return nil
+}