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Google Wallet C# samples

Übersicht

The files in this directory each implement a demo class for a specific Google Wallet pass type. Each class implements methods for performing tasks such as creating a pass class, updating issuer permissions, and more.

Pass type File
Event tickets DemoEventTicket.cs
Flight boarding passes DemoFlight.cs
Generic passes DemoGeneric.cs
Gift cards DemoGiftCard.cs
Loyalty program membership DemoLoyalty.cs
Offers and promotions DemoOffer.cs
Transit passes DemoTransit.cs

Prerequisites

  • .NET 6.0
  • Follow the steps outlined in the Google Wallet prerequisites to create the Google Wallet issuer account and Google Cloud service account

Environment variables

The following environment variables must be set. Alternatively, you can update the code files to set the values directly. They can be found in the constructor for each class file.

Enviroment variable Description Example
GOOGLE_APPLICATION_CREDENTIALS Path to a Google Cloud service account key file /path/to/key.json

How to use the code samples

  1. Open the wallet-rest-samples.csproj file in your .NET editor of choice.

  2. Copy the path to the Google Wallet API Client library ( Google.Apis.Walletobjects.v1.csproj file) you downloaded. If needed, update the path in wallet-rest-samples.csproj (line 19).

    <CodeFiles Include="lib/Google.Apis.Walletobjects.v1.cs" />

  3. Build the project to install the dependencies.

  4. In your C# code, import a demo class and call its method(s). An example can be found below

    // Create a demo class instance
// Creates the authenticated HTTP client
DemoEventTicket demo = new DemoEventTicket();

// Create a pass class
demo.CreateClass("issuer_id", "class_suffix");

// Update a pass class
demo.UpdateClass("issuer_id", "class_suffix");

// Patch a pass class
demo.PatchClass("issuer_id", "class_suffix");

// Add a message to a pass class
demo.AddClassMessage("issuer_id", "class_suffix", "header", "body");

// Create a pass object
demo.CreateObject("issuer_id", "class_suffix", "object_suffix");

// Update a pass object
demo.UpdateObject("issuer_id", "object_suffix");

// Patch a pass object
demo.PatchObject("issuer_id", "object_suffix");

// Add a message to a pass object
demo.AddObjectMessage("issuer_id", "object_suffix", "header", "body");

// Expire a pass object
demo.ExpireObject("issuer_id", "object_suffix");

// Generate an Add to Google Wallet link that creates a new pass class and object
demo.CreateJWTNewObjects("issuer_id", "class_suffix", "object_suffix");

// Generate an Add to Google Wallet link that references existing pass object(s)
demo.CreateJWTExistingObjects("issuer_id");

// Create pass objects in batch
demo.BatchCreateObjects("issuer_id", "class_suffix");