openiddict-documentation/integrations/entity-framework-core.html
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<h1 id="entity-framework-core-integration">Entity Framework Core integration</h1>
<h2 id="basic-configuration">Basic configuration</h2>
<p>To configure OpenIddict to use Entity Framework Core as the database for applications, authorizations, scopes and tokens, you&#39;ll need to:</p>
<ul>
<li><p><strong>Reference the <code>OpenIddict.EntityFrameworkCore</code> package</strong>:</p>
<pre><code class="lang-xml">&lt;PackageReference Include=&quot;OpenIddict.EntityFrameworkCore&quot; Version=&quot;3.1.1&quot; /&gt;
</code></pre></li>
<li><p><strong>Create a database context deriving from <code>DbContext</code> (or <code>IdentityDbContext</code> when using ASP.NET Core Identity)</strong>:</p>
<pre><code class="lang-csharp">public class ApplicationDbContext : DbContext
{
public ApplicationDbContext(DbContextOptions options)
: base(options)
{
}
}
</code></pre></li>
<li><p><strong>Configure OpenIddict to use the Entity Framework Core stores</strong>:</p>
<pre><code class="lang-csharp">services.AddOpenIddict()
.AddCore(options =&gt;
{
options.UseEntityFrameworkCore()
.UseDbContext&lt;ApplicationDbContext&gt;();
});
</code></pre></li>
<li><p><strong>Configure Entity Framework Core to register the OpenIddict entities in the model</strong>:</p>
<pre><code class="lang-csharp">services.AddDbContext&lt;ApplicationDbContext&gt;(options =&gt;
{
// Configure the Entity Framework Core to use Microsoft SQL Server.
options.UseSqlServer(Configuration.GetConnectionString(&quot;DefaultConnection&quot;));
// Register the entity sets needed by OpenIddict.
options.UseOpenIddict();
});
</code></pre></li>
<li><p><strong>Use migrations or recreate the database to add the OpenIddict entities</strong>.
For more information, read <a href="https://docs.microsoft.com/en-us/ef/core/managing-schemas/migrations/">Migrations Overview</a>.</p>
</li>
</ul>
<h2 id="advanced-configuration">Advanced configuration</h2>
<h3 id="use-a-custom-primary-key-type">Use a custom primary key type</h3>
<p>By default, the Entity Framework Core integration uses <code>string</code> primary keys, which matches the default key type used by ASP.NET Core Identity.</p>
<p>To use a different key type (e.g <code>int</code>, <code>long</code> or <code>Guid</code>):</p>
<ul>
<li><p><strong>Call the generic <code>ReplaceDefaultEntities&lt;TKey&gt;()</code> method to force OpenIddict to use the default entities with the specified key type</strong>:</p>
<pre><code class="lang-csharp">services.AddOpenIddict()
.AddCore(options =&gt;
{
// Configure OpenIddict to use the default entities with a custom key type.
options.UseEntityFrameworkCore()
.UseDbContext&lt;ApplicationDbContext&gt;()
.ReplaceDefaultEntities&lt;Guid&gt;();
});
</code></pre></li>
<li><p><strong>Configure Entity Framework Core to include the default entities with the chosen key type in the model</strong>:</p>
<pre><code class="lang-csharp">services.AddDbContext&lt;ApplicationDbContext&gt;(options =&gt;
{
// Configure Entity Framework Core to use Microsoft SQL Server.
options.UseSqlServer(Configuration.GetConnectionString(&quot;DefaultConnection&quot;));
// Register the entity sets needed by OpenIddict but use a custom key type.
options.UseOpenIddict&lt;Guid&gt;();
});
</code></pre></li>
</ul>
<h3 id="use-custom-entities">Use custom entities</h3>
<p>For applications that require storing additional data alongside the properties used by OpenIddict, custom entities can be used. For that, you need to:</p>
<ul>
<li><p><strong>Create custom entities</strong>:</p>
<pre><code class="lang-csharp">public class CustomApplication : OpenIddictEntityFrameworkCoreApplication&lt;long, CustomAuthorization, CustomToken&gt;
{
public string CustomProperty { get; set; }
}
public class CustomAuthorization : OpenIddictEntityFrameworkCoreAuthorization&lt;long, CustomApplication, CustomToken&gt;
{
public string CustomProperty { get; set; }
}
public class CustomScope : OpenIddictEntityFrameworkCoreScope&lt;long&gt;
{
public string CustomProperty { get; set; }
}
public class CustomToken : OpenIddictEntityFrameworkCoreToken&lt;long, CustomApplication, CustomAuthorization&gt;
{
public string CustomProperty { get; set; }
}
</code></pre></li>
<li><p><strong>Call the generic <code>ReplaceDefaultEntities&lt;TApplication, TAuthorization, TScope, TToken, TKey&gt;()</code> method to force OpenIddict to use the custom entities</strong>:</p>
<pre><code class="lang-csharp">services.AddOpenIddict()
.AddCore(options =&gt;
{
// Configure OpenIddict to use the custom entities.
options.UseEntityFrameworkCore()
.UseDbContext&lt;ApplicationDbContext&gt;()
.ReplaceDefaultEntities&lt;CustomApplication, CustomAuthorization, CustomScope, CustomToken, long&gt;();
});
</code></pre></li>
<li><p><strong>Configure Entity Framework Core to include the custom entities in the model</strong>:</p>
<pre><code class="lang-csharp">services.AddDbContext&lt;ApplicationDbContext&gt;(options =&gt;
{
// Configure Entity Framework Core to use Microsoft SQL Server.
options.UseSqlServer(Configuration.GetConnectionString(&quot;DefaultConnection&quot;));
// Register the entity sets needed by OpenIddict but use the specified entities instead of the default ones.
options.UseOpenIddict&lt;CustomApplication, CustomAuthorization, CustomScope, CustomToken, long&gt;();
});
</code></pre></li>
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