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Remove unnecessary TSetting type parameter from ISettingsDbContext & just use ISetting instead

This commit is contained in:
Rhys Ickeringill
2025-12-28 16:45:14 +11:00
parent b7848d71d6
commit 0c824f268c
8 changed files with 25 additions and 31 deletions

View File

@@ -84,7 +84,7 @@ public record Setting : ISetting
public required string Value { get; set; }
}
public class MyDbContext(DbContextOptions<MyDbContext> options) : DbContext(options), ISettingsDbContext<DbSet<Setting>, Setting>, ISettingsDbContextFactory<MyDbContext>
public class MyDbContext(DbContextOptions<MyDbContext> options) : DbContext(options), ISettingsDbContext<DbSet<Setting>>, ISettingsDbContextFactory<MyDbContext>
{
public DbSet<Setting> Settings { get; set; }
@@ -99,11 +99,11 @@ builder.Configuration.AddJsonFile("appsettings.json")
...
.AddUserSecrets<Program>(); // or wherever your connection string lives
builder.Configuration.AddDbSet<MyDbContext, Setting>(dbContextOptions => dbContextOptions.UseNpgsql(builder.Configuration.GetConnectionString("Default")));
builder.Configuration.AddDbContext<MyDbContext>(dbContextOptions => dbContextOptions.UseNpgsql(builder.Configuration.GetConnectionString("Default")));
...
// Add the PostgreSQLNotificationConfigurationReloader background service and supporting services to obtain setting reloading functionalty
builder.Services.AddPostgreSQLNotificationConfigurationReloadService<SettingsDbContext>(); // uses default settings, other overrides exist - see code docs
builder.Services.AddPostgreSQLNotificationConfigurationReloadService<MyDbContext>(); // uses default settings, other overrides exist - see code docs
await builder.Build().RunAsync(); // use config as normal

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@@ -19,7 +19,7 @@ public static class ServiceCollectionExtensions
/// <remarks>If your connection string contains a password then this method may not work, please use another overload</remarks>
/// <exception cref="NullReferenceException">If your <typeparamref name="TDbContext"/> does not have a connection string</exception>
public static IServiceCollection AddSqlServerNotificationConfigurationReloadService<TDbContext, TSetting>(this IServiceCollection services)
where TDbContext : DbContext, ISettingsDbContext<DbSet<TSetting>, TSetting>
where TDbContext : DbContext, ISettingsDbContext<IQueryable<TSetting>>
where TSetting : class, ISetting
{
var optionsBuilder = services.AddCoreServices<TDbContext, TSetting>();
@@ -49,7 +49,7 @@ public static class ServiceCollectionExtensions
/// </param>
/// <returns>The service collection it was called on now with added services</returns>
public static IServiceCollection AddSqlServerNotificationConfigurationReloadService<TDbContext, TSetting>(this IServiceCollection services, Action<Options> configure)
where TDbContext : DbContext, ISettingsDbContext<DbSet<TSetting>, TSetting>
where TDbContext : DbContext, ISettingsDbContext<IQueryable<TSetting>>
where TSetting : class, ISetting
{
var optionsBuilder = services.AddCoreServices<TDbContext, TSetting>();
@@ -61,7 +61,7 @@ public static class ServiceCollectionExtensions
private static OptionsBuilder<Options> AddCoreServices<TDbContext, TSetting>(this IServiceCollection services)
where TDbContext : DbContext, ISettingsDbContext<DbSet<TSetting>, TSetting>
where TDbContext : DbContext, ISettingsDbContext<IQueryable<TSetting>>
where TSetting : class, ISetting
{
services.AddSingleton(static provider =>

View File

@@ -57,7 +57,7 @@ public record Setting : ISetting
public required string Value { get; set; }
}
public class MyDbContext(DbContextOptions<MyDbContext> options) : DbContext(options), ISettingsDbContext<DbSet<Setting>, Setting>, ISettingsDbContextFactory<MyDbContext>
public class MyDbContext(DbContextOptions<MyDbContext> options) : DbContext(options), ISettingsDbContext<DbSet<Setting>>, ISettingsDbContextFactory<MyDbContext>
{
public DbSet<Setting> Settings { get; set; }
@@ -72,7 +72,7 @@ builder.Configuration.AddJsonFile("appsettings.json")
...
.AddUserSecrets<Program>(); // or wherever your connection string lives
builder.Configuration.AddDbSet<MyDbContext, Setting>(dbContextOptions => dbContextOptions.UseSqlServer(builder.Configuration.GetConnectionString("Default")));
builder.Configuration.AddDbContext<MyDbContext>(dbContextOptions => dbContextOptions.UseSqlServer(builder.Configuration.GetConnectionString("Default")));
...
// Add the SqlServerNotificationConfigurationReloader background service and supporting services to obtain setting reloading functionalty

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@@ -1,7 +1,5 @@
using System.ComponentModel.DataAnnotations;
using System.Data;
using System.Runtime.CompilerServices;
using System.Threading.Tasks;
using Microsoft.Data.SqlClient;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Logging;
@@ -18,7 +16,7 @@ public class SqlServerNotificationConfigurationReloaderOptions // must be public
internal class SqlServerNotificationConfigurationReloader<TDbContext, TSetting> : Microsoft.Extensions.Hosting.BackgroundService
where TDbContext : DbContext, ISettingsDbContext<DbSet<TSetting>, TSetting>
where TDbContext : DbContext, ISettingsDbContext<IQueryable<TSetting>>
where TSetting : class, ISetting
{
private static string? _changesQueryTemplate;

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@@ -14,9 +14,8 @@ internal interface IEntityFrameworkCoreDbSetConfigurationProvider : IConfigurati
}
internal class EntityFrameworkCoreDbSetConfigurationProvider<TDbContext, TSetting> : ConfigurationProvider, IEntityFrameworkCoreDbSetConfigurationProvider
where TDbContext : DbContext, ISettingsDbContext<DbSet<TSetting>, TSetting>
where TSetting : class, ISetting
internal class EntityFrameworkCoreDbSetConfigurationProvider<TDbContext> : ConfigurationProvider, IEntityFrameworkCoreDbSetConfigurationProvider
where TDbContext : DbContext, ISettingsDbContext<IQueryable<ISetting>>
{
private readonly IEntityFrameworkCoreDbSetConfigurationSource<TDbContext> _configurationSource;
@@ -41,14 +40,13 @@ internal interface IEntityFrameworkCoreDbSetConfigurationSource<TDbContext> wher
internal Func<TDbContext> DbContextFactory { get; }
}
internal class EntityFrameworkCoreDbSetConfigurationSource<TDbContext, TSetting> : IConfigurationSource, IEntityFrameworkCoreDbSetConfigurationSource<TDbContext>
where TDbContext : DbContext, ISettingsDbContext<DbSet<TSetting>, TSetting>
where TSetting : class, ISetting
internal class EntityFrameworkCoreDbSetConfigurationSource<TDbContext> : IConfigurationSource, IEntityFrameworkCoreDbSetConfigurationSource<TDbContext>
where TDbContext : DbContext, ISettingsDbContext<IQueryable<ISetting>>
{
public required Func<TDbContext> DbContextFactory { get; init; }
public IConfigurationProvider Build(IConfigurationBuilder builder)
{
return new EntityFrameworkCoreDbSetConfigurationProvider<TDbContext, TSetting>(this);
return new EntityFrameworkCoreDbSetConfigurationProvider<TDbContext>(this);
}
}

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@@ -10,8 +10,7 @@ public static class ConfigurationBuilderExtensions
/// <summary>
/// Adds a <see cref="DbSet{}"/> off <typeparamref name="TDbContext"/> as a configuration provider to the <see cref="IConfigurationBuilder"/>.
/// </summary>
/// <typeparam name="TDbContext">Type of the <see cref="DbContext"/> which implements <see cref="ISettingsDbContext{,}"/></typeparam>
/// <typeparam name="TSetting">Concrete type which implements <see cref="ISetting"/></typeparam>
/// <typeparam name="TDbContext">Type of the <see cref="DbContext"/> which implements both <see cref="ISettingsDbContext{}"/> and <see cref="ISettingsDbContextFactory{}"/></typeparam>
/// <param name="optionsTransformer">
/// a <see cref="DbContextOptionsTransformer{}"/> which configures your <see cref="DbContextOptions{}"/>. eg.
/// <code>
@@ -19,12 +18,11 @@ public static class ConfigurationBuilderExtensions
/// </code>
/// </param>
/// <returns>The <see cref="IConfigurationBuilder"/></returns>
public static IConfigurationBuilder AddDbSet<TDbContext, TSetting>(this IConfigurationBuilder builder, DbContextOptionsTransformer<TDbContext> optionsTransformer)
where TDbContext : DbContext, ISettingsDbContext<DbSet<TSetting>, TSetting>, ISettingsDbContextFactory<TDbContext>
where TSetting : class, ISetting
public static IConfigurationBuilder AddDbContext<TDbContext>(this IConfigurationBuilder builder, DbContextOptionsTransformer<TDbContext> optionsTransformer)
where TDbContext : DbContext, ISettingsDbContext<System.Linq.IQueryable<ISetting>>, ISettingsDbContextFactory<TDbContext>
{
var options = optionsTransformer(new DbContextOptionsBuilder<TDbContext>()).Options;
var configurationSource = new EntityFrameworkCoreDbSetConfigurationSource<TDbContext, TSetting>()
var configurationSource = new EntityFrameworkCoreDbSetConfigurationSource<TDbContext>()
{
DbContextFactory = () => TDbContext.Create(options)
};

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@@ -4,11 +4,10 @@ using Microsoft.EntityFrameworkCore;
namespace RAIC.Extensions.Configuration.EntityFrameworkCore;
public interface ISettingsDbContext<out TSettingDbSet, out TSetting> : IDisposable
where TSettingDbSet : DbSet<TSetting>
where TSetting : class, ISetting
public interface ISettingsDbContext<out TSettings> : IDisposable
where TSettings : System.Linq.IQueryable<ISetting>
{
TSettingDbSet Settings { get; }
TSettings Settings { get; }
}
public interface ISettingsDbContextFactory<TDbContext>

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@@ -33,7 +33,7 @@ public record Setting : ISetting
public required string Value { get; set; }
}
public class MyDbContext(DbContextOptions<MyDbContext> options) : DbContext(options), ISettingsDbContext<DbSet<Setting>, Setting>, ISettingsDbContextFactory<MyDbContext>
public class MyDbContext(DbContextOptions<MyDbContext> options) : DbContext(options), ISettingsDbContext<DbSet<Setting>>, ISettingsDbContextFactory<MyDbContext>
{
public DbSet<Setting> Settings { get; set; }
@@ -44,10 +44,11 @@ var builder = Host.CreateApplicationBuilder(args) // or WebApplication.CreateB
// build an initial configuration
builder.Configuration.AddJsonFile("appsettings.json")
...
.AddUserSecrets<Program>(); // or whereever your connection string lives
// obtain connection string from preliminary config so can initialise other settings from DbSet
builder.Configuration.AddDbSet<MyDbContext, Setting>(dbContextOptions => dbContextOptions.UseNpgsql(builder.Configuration.GetConnectionString("Default")));
// obtain connection string from preliminary config so can initialise other settings from DbContext
builder.Configuration.AddDbContext<MyDbContext>(dbContextOptions => dbContextOptions.UseNpgsql(builder.Configuration.GetConnectionString("Default")));
...