feat: add WarmupDbContext

Author: arenchen

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2022 NETCOREXT
+Copyright (c) 2025 NETCOREXT
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -18,4 +18,4 @@ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
+SOFTWARE.

src/Netcorext.EntityFramework.UserIdentityPattern.AspNetCore/Extensions/ApplicationBuilderExtension.cs

@@ -47,4 +47,32 @@ public static void MigrateDatabase(this IApplicationBuilder builder)
 
         context.Master.Database.Migrate();
     }
+    public static void WarmupDbContext(this IApplicationBuilder builder)
+    {
+        Task.Run(async () =>
+                 {
+                     using var serviceScope = builder.ApplicationServices.CreateScope();
+
+                     var context = serviceScope.ServiceProvider.GetRequiredService<DatabaseContextAdapter>();
+
+                     try
+                     {
+                         _ = context.Master.Model;
+                         _ = context.Slave.Model;
+
+                         await context.Master.Database.OpenConnectionAsync();
+                         await context.Slave.Database.OpenConnectionAsync();
+
+                         await context.Master.Database.ExecuteSqlRawAsync("SELECT 1");
+                         await context.Slave.Database.ExecuteSqlRawAsync("SELECT 1");
+
+                         await context.Master.Database.CloseConnectionAsync();
+                         await context.Slave.Database.CloseConnectionAsync();
+                     }
+                     catch (Exception ex)
+                     {
+                         Console.Error.WriteLine(ex);
+                     }
+                 });
+    }
 }