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// SPDX-FileCopyrightText: 2026 Progmasoft <support@progmasoft.com>
// SPDX-License-Identifier: AGPL-3.0-or-later WITH AdditionRef-Progmasoft-Patent-Grant-1.1
using Npgsql;
using Progmasoft.Progmaweb.Api.Accounts;
namespace Progmasoft.Progmaweb.Api.ViGet;
/// <summary>Registers ViGet: its catalog beside the accounts, and the publishing of plugins.</summary>
internal static class ViGetRegistration
{
/// <summary>Adds the services of ViGet.</summary>
/// <param name="services">The services of the API.</param>
/// <param name="configuration">The configuration, whose section <c>ViGet</c> holds <see cref="ViGetOptions"/>.</param>
/// <param name="accountStore">Where the accounts are kept; the catalog is kept in the same place.</param>
public static void AddViGet(
this IServiceCollection services,
IConfiguration configuration,
AccountStoreKind accountStore)
{
services.Configure<ViGetOptions>(configuration.GetSection(ViGetOptions.SectionName));
if (accountStore is AccountStoreKind.PostgreSql)
{
services.AddSingleton<ITazelPluginCatalog, PostgresTazelPluginCatalog>();
services.AddHostedService<ViGetSchemaInitializer>();
}
else
{
services.AddSingleton<ITazelPluginCatalog, InMemoryTazelPluginCatalog>();
}
services.AddSingleton<TazelPluginPublishing>();
}
}
/// <summary>Brings the ViGet tables to the current schema before the service accepts requests.</summary>
/// <param name="dataSource">Connections to the database of the accounts.</param>
/// <param name="logger">Receives what was done.</param>
internal sealed class ViGetSchemaInitializer(
NpgsqlDataSource dataSource,
ILogger<ViGetSchemaInitializer> logger) : IHostedService
{
/// <summary>Writes the schema version and the number of steps taken at this start.</summary>
private static readonly Action<ILogger, int, int, Exception?> SchemaReport = LoggerMessage.Define<int, int>(
LogLevel.Information,
new EventId(1, "ViGetSchema"),
"The ViGet tables are at schema version {Version}; {Taken} step(s) were taken at this start.");
/// <inheritdoc/>
public async Task StartAsync(CancellationToken cancellationToken)
{
int taken = await ViGetSchema.ApplyAsync(dataSource, cancellationToken);
SchemaReport(logger, ViGetSchema.CurrentVersion, taken, null);
}
/// <inheritdoc/>
public Task StopAsync(CancellationToken cancellationToken) => Task.CompletedTask;
}
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