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Migrate Backend from ASP.NET MVC 5 to ASP.NET Core 7 Web API #8

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Migrate Backend from ASP.NET MVC 5 to ASP.NET Core 7 Web API #8

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@devin-ai-integration devin-ai-integration bot commented Oct 2, 2025

Migrate Backend from ASP.NET MVC 5 to ASP.NET Core 7 Web API

Summary

This PR completes a full migration from ASP.NET MVC 5 (.NET Framework 4.8) to ASP.NET Core 7 Web API while preserving the existing AngularJS frontend. The application now serves the AngularJS SPA as static files through ASP.NET Core Web API infrastructure.

Key Changes:

  • Replaced old .csproj with SDK-style format targeting .NET 7.0
  • Created Program.cs with minimal hosting model and static file serving
  • Converted Index.cshtml (Razor view) to plain index.html
  • Replaced ASP.NET bundling with direct script/style references
  • Added sample HealthController API endpoint (/api/health)
  • Removed all .NET Framework files (Global.asax, Web.config, etc.)
  • Updated README with new setup instructions

Local Testing Results:
Frontend Screenshot
API Endpoint Screenshot

Review & Testing Checklist for Human

Please verify these 4 critical areas:

  • Static file serving works correctly - Verify all CSS/JS files load properly by checking browser network tab and ensuring no 404 errors (except favicon.ico which is expected)
  • AngularJS components render correctly - Verify the test-directive shows "jQuery Version: 3.7.0" and test-component shows "AngularJS Version: 1.8.3"
  • API endpoint functionality - Test /api/health returns proper JSON response with correct status, timestamp, version, and framework fields
  • Build and run successfully - Verify dotnet run --project angularjs-aspnetcore7.csproj starts without errors and serves content on localhost:5000

Test Plan:

  1. Run dotnet restore and dotnet build angularjs-aspnetcore7.csproj to verify clean build
  2. Run dotnet run --project angularjs-aspnetcore7.csproj
  3. Navigate to http://localhost:5000 and verify AngularJS app loads completely
  4. Check browser console for JavaScript errors (favicon 404 is expected/harmless)
  5. Test API endpoint at http://localhost:5000/api/health
  6. Verify Swagger UI works at http://localhost:5000/swagger (development mode only)

Notes

  • .NET 7.0 shows end-of-life warnings during build - this is expected as per user requirements
  • The frontend code (WebApp/, Content/, node_modules/) remains completely unchanged
  • Static file middleware serves files from project root, preserving existing file structure
  • Only minor favicon.ico 404 error in console - this doesn't affect functionality

Link to Devin run: https://app.devin.ai/sessions/0d4ce359003a439da853c34af83c0066
Requested by: [email protected]

@devin-ai-integration @kevintang513
Migrate from ASP.NET MVC 5 (.NET Framework 4.8) to ASP.NET Core 7 Web…
248631c 
… API

- Replace old .csproj with SDK-style format targeting .NET 7.0
- Create Program.cs with minimal hosting model
- Configure static file serving for AngularJS SPA
- Convert Index.cshtml to index.html (remove Razor syntax)
- Replace bundling with direct script/style references
- Add sample API controller (/api/health endpoint)
- Create appsettings.json configuration files
- Remove all .NET Framework specific files (Global.asax, Web.config, etc.)
- Update README with new ASP.NET Core 7 setup instructions
- Update .gitignore for ASP.NET Core

Tested locally:
- Project builds successfully
- AngularJS frontend loads with all components working
- Test directive displays jQuery 3.7.0
- Test component displays AngularJS 1.8.3
- API health endpoint returns correct JSON response

Co-Authored-By: [email protected] <[email protected]>
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devin-ai-integration bot commented Oct 2, 2025

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