CompanyDomainProviderExtensions

Builder-pattern sugar for declaring the dyndns provider while building a Company. Chain it on the CompanyBuilder (right after Company.CreateBuilder(...)). The registration is stashed process-statically (keyed by company name) and lifted by LiberatorWithWinDCTranslator after Translate(), which sets config.DomainProvider AND inserts a DomainProvider User named "DomainProvider" carrying the secret (config-driven-credentials rule).

public static class CompanyDomainProviderExtensions

1. Methods

1.1. AddDomainProvider(CompanyBuilder, string, SecretString, IReadOnlyList<string>, string, string, string)

Declare the dyndns provider used to keep the customer’s public A records pointed at the dynamic WAN IP. Builder-chained:

var company = Company.CreateBuilder("test.zh", "CH", "Zurich")
    .AddDomainProvider("noip", "secret".ToSecretString(), new[] { "@", "mail", "nextcloud" })
    .AddDevice(...)
    .Build();

public static CompanyBuilder AddDomainProvider(this CompanyBuilder builder, string provider, SecretString secret, IReadOnlyList<string> hosts, string username = null, string secretKey = "password", string domain = null)

Table 1. Parameters
Name	Type	Description
builder	CompanyBuilder	CompanyBuilder under construction.
provider	string	ddns-updater provider name (noip, duckdns, dyn, cloudflare, …).
secret	SecretString	Token or password. Lands on the inserted "DomainProvider" User.
hosts	IReadOnlyList<string>	Labels to update under domain ("@" for the zone root).
username	string	Optional provider login username (omit for token-only providers).
secretKey	string	ddns-updater settings key for the secret ("password" or "token").
domain	string	dyndns TARGET zone (the dynamic-DNS hostname’s zone, e.g. "no-ip.com" / "ddns.net"). In the "hosting → CNAME → dyndns" topology this is the No-IP zone, NOT the customer domain. Null ⇒ fall back to CustomerDomain (own-zone topology).

Returns: CompanyBuilder

1.2. Clear()

Test seam: drop all registered entries.

public static void Clear()

1.3. TryGetDomainProvider(Company)

Lookup the stashed dyndns registration for a company. Null when no AddDomainProvider call referenced this company name.

public static DomainProviderRegistration TryGetDomainProvider(Company company)

Table 2. Parameters
Name	Type	Description
company	Company

Returns: DomainProviderRegistration