API Reference of GS2-SerialKey SDK for Game Engine

Model

EzCampaignModel

Campaign Model

The campaign model is used to define and manage campaigns, linking them to serial codes.

	Type	Require	Default	Limitation	Description
name	string	✓		~ 128 chars	Campaign name
metadata	string			~ 2048 chars	metadata
enableCampaignCode	bool	✓	false		Allow redemption with campaign code

EzSerialKey

Serial Code

The serial code issued can be used only once. Serial codes are issued in the format “RPCLP-FP7N-NCDMJ-FLVA-IRI4” and the data length cannot be changed. Information on the type of campaign is also included within the serial code. When using the serial code, simply specify the namespace in which the serial code is to be used.

	Type	Require	Default	Limitation	Description
campaignModelName	string	✓		~ 128 chars	Campaign name
metadata	string			~ 2048 chars	metadata
code	string	✓		~ 48 chars	Serial Code
status	enum { “ACTIVE”, “USED”, “INACTIVE” }	✓	“ACTIVE”	~ 128 chars	Status

Enumeration type definition to specify as status

Enumerator String Definition	Description
ACTIVE	ACTIVE
USED	USED
INACTIVE	INACTIVE

Methods

getCampaignModel

Get campaign model

Request

	Type	Require	Default	Limitation	Description
namespaceName	string	✓		~ 128 chars	Namespace name
campaignModelName	string	✓		~ 128 chars	Campaign name

Result

	Type	Description
item	EzCampaignModel	Campaign Model

Implementation Example

    var domain = gs2.SerialKey.Namespace(
        namespaceName: "namespace-0001"
    ).CampaignModel(
        campaignModelName: "campaign-0001"
    );
    var item = await domain.ModelAsync();

    var domain = gs2.SerialKey.Namespace(
        namespaceName: "namespace-0001"
    ).CampaignModel(
        campaignModelName: "campaign-0001"
    );
    var future = domain.ModelFuture();
    yield return future;
    var item = future.Result;

    const auto Domain = Gs2->SerialKey->Namespace(
        "namespace-0001" // namespaceName
    )->CampaignModel(
        "campaign-0001" // campaignModelName
    );
    const auto Future = Domain->Model();
    Future->StartSynchronousTask();
    if (Future->GetTask().IsError())
    {
        return false;
    }

Value change event handling

    var domain = gs2.SerialKey.Namespace(
        namespaceName: "namespace-0001"
    ).CampaignModel(
        campaignModelName: "campaign-0001"
    );
    
    // Start event handling
    var callbackId = domain.Subscribe(
        value => {
            // Called when the value changes
            // The "value" is passed the value after the change.
        }
    );

    // Stop event handling
    domain.Unsubscribe(callbackId);

    var domain = gs2.SerialKey.Namespace(
        namespaceName: "namespace-0001"
    ).CampaignModel(
        campaignModelName: "campaign-0001"
    );
    var future = domain.ModelFuture();
    yield return future;
    var item = future.Result;

    const auto Domain = Gs2->SerialKey->Namespace(
        "namespace-0001" // namespaceName
    )->CampaignModel(
        "campaign-0001" // campaignModelName
    );
    
    // Start event handling
    const auto CallbackId = Domain->Subscribe(
        [](TSharedPtr<Gs2::SerialKey::Model::FCampaignModel> value) {
            // Called when the value changes
            // The "value" is passed the value after the change.
        }
    );

    // Stop event handling
    Domain->Unsubscribe(CallbackId);

Warning

This event is called when the value in the local cache that the SDK has is changed.

The local cache will only be changed by executing the SDK’s API, or by executing a stamp sheet via GS2-Distributor with GS2-Gateway notification enabled, or by executing a GS2-JobQueue with GS2-Gateway notification enabled. GS2-Gateway notification enabled.

Therefore, callbacks will not be invoked if the value is changed in any other way.

get

Get Serial Code

Request

	Type	Require	Default	Limitation	Description
namespaceName	string	✓		~ 128 chars	Namespace name
code	string	✓		~ 48 chars	Serial Code

Result

	Type	Description
item	EzSerialKey	Serial Key
campaignModel	EzCampaignModel	Campaign Model

Implementation Example

    var domain = gs2.SerialKey.Namespace(
        namespaceName: "namespace-0001"
    ).User(
        userId: null
    ).SerialKey(
        serialKeyCode: null
    );
    var item = await domain.ModelAsync();

    var domain = gs2.SerialKey.Namespace(
        namespaceName: "namespace-0001"
    ).User(
        userId: null
    ).SerialKey(
        serialKeyCode: null
    );
    var future = domain.ModelFuture();
    yield return future;
    var item = future.Result;

    const auto Domain = Gs2->SerialKey->Namespace(
        "namespace-0001" // namespaceName
    )->User(
        nullptr // userId
    )->SerialKey(
        nullptr // serialKeyCode
    );
    const auto Future = Domain->Model();
    Future->StartSynchronousTask();
    if (Future->GetTask().IsError())
    {
        return false;
    }

Value change event handling

    var domain = gs2.SerialKey.Namespace(
        namespaceName: "namespace-0001"
    ).User(
        userId: null
    ).SerialKey(
        serialKeyCode: null
    );
    
    // Start event handling
    var callbackId = domain.Subscribe(
        value => {
            // Called when the value changes
            // The "value" is passed the value after the change.
        }
    );

    // Stop event handling
    domain.Unsubscribe(callbackId);

    var domain = gs2.SerialKey.Namespace(
        namespaceName: "namespace-0001"
    ).User(
        userId: null
    ).SerialKey(
        serialKeyCode: null
    );
    var future = domain.ModelFuture();
    yield return future;
    var item = future.Result;

    const auto Domain = Gs2->SerialKey->Namespace(
        "namespace-0001" // namespaceName
    )->User(
        nullptr // userId
    )->SerialKey(
        nullptr // serialKeyCode
    );
    
    // Start event handling
    const auto CallbackId = Domain->Subscribe(
        [](TSharedPtr<Gs2::SerialKey::Model::FSerialKey> value) {
            // Called when the value changes
            // The "value" is passed the value after the change.
        }
    );

    // Stop event handling
    Domain->Unsubscribe(CallbackId);

Warning

This event is called when the value in the local cache that the SDK has is changed.

Therefore, callbacks will not be invoked if the value is changed in any other way.

useSerialCode

Consume Serial Code

Request

	Type	Require	Limitation	Description
namespaceName	string	✓	~ 128 chars	Namespace name
accessToken	string	✓	~ 128 chars	User Id
code	string	✓	~ 48 chars	Serial Code

Result

	Type	Description
item	EzSerialKey	Serial Key
campaignModel	EzCampaignModel	Campaign Model

Error

Special exceptions are defined in this API. GS2-SDK for GameEngine provides specialized exceptions derived from general exceptions to facilitate handling of errors that may need to be handled in games. Please refer to the documentation here for more information on common error types and handling methods.

Type	Base Type	Description
AlreadyUsedException	BadRequestException	The specified serial code has already been used.
CodeNotFoundException	NotFoundException	The specified serial code does not exist.

Implementation Example

try {
    var domain = gs2.SerialKey.Namespace(
        namespaceName: "namespace-0001"
    ).Me(
        gameSession: GameSession
    ).SerialKey(
        serialKeyCode: null
    );
    var result = await domain.UseSerialCodeAsync(
        code: "code-0001"
    );
    var item = await result.ModelAsync();
} catch(Gs2.Gs2SerialKey.Exception.AlreadyUsed e) {
    // The specified serial code has already been used.
} catch(Gs2.Gs2SerialKey.Exception.CodeNotFound e) {
    // The specified serial code does not exist.
}

    var domain = gs2.SerialKey.Namespace(
        namespaceName: "namespace-0001"
    ).Me(
        gameSession: GameSession
    ).SerialKey(
        serialKeyCode: null
    );
    var future = domain.UseSerialCodeFuture(
        code: "code-0001"
    );
    yield return future;
    if (future.Error != null)
    {
        if (future.Error is Gs2.Gs2SerialKey.Exception.AlreadyUsedException)
        {
            // The specified serial code has already been used.
        }
        if (future.Error is Gs2.Gs2SerialKey.Exception.CodeNotFoundException)
        {
            // The specified serial code does not exist.
        }
        onError.Invoke(future.Error, null);
        yield break;
    }
    var future2 = future.Result.ModelFuture();
    yield return future2;
    if (future2.Error != null)
    {
        onError.Invoke(future2.Error, null);
        yield break;
    }
    var result = future2.Result;

    const auto Domain = Gs2->SerialKey->Namespace(
        "namespace-0001" // namespaceName
    )->Me(
        GameSession
    )->SerialKey(
        nullptr // serialKeyCode
    );
    const auto Future = Domain->UseSerialCode(
        "code-0001" // code
    );
    Future->StartSynchronousTask();
    if (Future->GetTask().IsError())
    {
        auto e = Future->GetTask().Error();
        if (e->IsChildOf(Gs2::SerialKey::Error::FAlreadyUsedError::Class))
        {
            // The specified serial code has already been used.
        }
        if (e->IsChildOf(Gs2::SerialKey::Error::FCodeNotFoundError::Class))
        {
            // The specified serial code does not exist.
        }
        return false;
    }

    // obtain changed values / result values
    const auto Future2 = Future->GetTask().Result()->Model();
    Future2->StartSynchronousTask();
    if (Future2->GetTask().IsError())
    {
        return Future2->GetTask().Error();
    }
    const auto Result = Future2->GetTask().Result();