App Architecture

// Register the custom Numa services
builder.Services.AddScoped<IMessageService, MessageService>();
builder.Services.AddScoped<IConversationService, ConversationService>();
builder.Services.AddScoped<IUserService, UserService>();
builder.Services.AddScoped<ISermonCollectionService, SermonCollectionService>();
builder.Services.AddSingleton<IGroupService, GroupService>();
builder.Services.AddSingleton<ICitationService, CitationService>();
builder.Services.AddSingleton<IAdminSettingsService, AdminSettingsService>();
builder.Services.AddSingleton<IChatService, ChatService>( sp => { return new ChatService( azureOpenAiEndpoint, azureOpenAiKey, azureAiSearchEndpoint, azureAiSearchKey ); });
builder.Services.AddSingleton<IDocumentStorageService, DocumentStorageService>( sp => { return new DocumentStorageService( azureStorageConnectionString ); } );
builder.Services.AddSingleton<IMarkdownService, MarkdownService>();

public partial class SermonSearch : ComponentBase
{
    #region Dependency Injection of Services
    [Inject]
    private IConversationService ConversationService { get; set; } = default!;
    [Inject]
    private IMessageService MessageService { get; set; } = default!;
    [Inject]
    private IChatService ChatService { get; set; } = default!;
    #endregion
}

TENANT_ID=<Azure Subscription Tenant Id>
APP_CLIENT_ID=<Id of the registered app in Microsoft Entra Id>
APP_CLIENT_SECRET=<Secret of the registered app in Microsoft Entra Id>
KV_URL=<Azure Key Vault endpoint>
ASPNETCORE_ENVIRONMENT=<'Development' or 'Production' for error handling>

// Authenticate a SecretClient using the Service Principal credentials
var kvClient = new SecretClient(
    new Uri( keyVaultUrl ),
    new ClientSecretCredential( tenantId, numaClientId, numaClientSecret )
);

KeyVaultSecret kvsAzureOpenAiEndpoint = kvClient.GetSecret( "AZURE-OPENAI-ENDPOINT" );
string azureOpenAiEndpoint = kvsAzureOpenAiEndpoint.Value;

KeyVaultSecret kvsAzureOpenAiKey = kvClient.GetSecret( "AZURE-OPENAI-KEY" );
string azureOpenAiKey = kvsAzureOpenAiKey.Value;

KeyVaultSecret kvsAzureAiSearchEndpoint = kvClient.GetSecret( "AZURE-AI-SEARCH-ENDPOINT" );
string azureAiSearchEndpoint = kvsAzureAiSearchEndpoint.Value;

KeyVaultSecret kvsAzureAiSearchKey = kvClient.GetSecret( "AZURE-AI-SEARCH-KEY" );
string azureAiSearchKey = kvsAzureAiSearchKey.Value;

//Register the custom Numa services
builder.Services.AddSingleton<IChatService, ChatService>( sp => { return new ChatService( azureOpenAiEndpoint, azureOpenAiKey, azureAiSearchEndpoint, azureAiSearchKey ); });
builder.Services.AddSingleton<IDocumentStorageService, DocumentStorageService>( sp => { return new DocumentStorageService( azureStorageConnectionString ); } );