Enterprise Modernization Sample

Fabrikam Enterprise Pizza is a sample legacy .NET Framework enterprise application representing a regional pizza franchise platform. The repository captures the system before and after modernization, with the legacy estate centered on multi-project web, desktop, service, integration, and SQL Server components.

Business domains

• StoreOps — ordering, dispatch, delivery routes, workforce operations, and POS coordination
• CustomerHub — corporate accounts, catering, franchise relationships, and partner workflows
• Reporting — nightly rollups, delivery KPIs, labor summaries, and operational scorecards
• Commerce edge — public ordering through the web storefront

Legacy solution inventory

User-facing applications

• ASP.NET Web Forms: Portal, StoreOps.Portal, Web.FranchisePortal, Web.CustomerHub
• ASP.NET MVC 5: Web.Storefront
• Windows Forms: Desktop.DispatchBoard

Services and integration

• WCF service: Services.DispatchHost
• ASMX service: Services.PartnerSync
• POS integration: Integrations.PosSync
• Batch processing: Reporting.Batch

Business and shared libraries

• Business logic: Business.StoreOps, Business.CustomerHub
• Shared libraries: Core, Shared.Contracts, Data

Databases

• SQL Server: FabrikamPizza_StoreOps, FabrikamPizza_CustomerHub, FabrikamPizza_Reporting

System topology

The topology below summarizes the legacy runtime shape. For more detailed architecture notes, see docs\before\solution-architecture.md.

flowchart TB
    Customers[Customers]
    StoreStaff[Store staff and dispatchers]
    FranchiseStaff[Franchise and corporate staff]

    subgraph Apps[User-facing applications]
        Portal[Portal\nWeb Forms]
        StoreOpsPortal[StoreOps.Portal\nWeb Forms]
        FranchisePortal[Web.FranchisePortal\nWeb Forms]
        CustomerHubPortal[Web.CustomerHub\nWeb Forms]
        Storefront[Web.Storefront\nMVC 5]
        DispatchBoard[Desktop.DispatchBoard\nWindows Forms]
    end

    subgraph Services[Service layer]
        DispatchHost[Services.DispatchHost\nWCF]
        PartnerSync[Services.PartnerSync\nASMX]
    end

    subgraph Business[Business and data layer]
        StoreOpsBiz[Business.StoreOps]
        CustomerHubBiz[Business.CustomerHub]
        SharedLayer[Core + Shared.Contracts + Data]
        PosSync[Integrations.PosSync]
    end

    Batch[Reporting.Batch\nScheduled process]
    PosExternal[External POS systems]

    subgraph Databases[SQL Server databases]
        StoreOpsDb[FabrikamPizza_StoreOps]
        CustomerHubDb[FabrikamPizza_CustomerHub]
        ReportingDb[FabrikamPizza_Reporting]
    end

    Customers --> Storefront
    StoreStaff --> StoreOpsPortal
    StoreStaff --> DispatchBoard
    FranchiseStaff --> Portal
    FranchiseStaff --> FranchisePortal
    FranchiseStaff --> CustomerHubPortal

    Storefront --> DispatchHost
    Portal --> PartnerSync
    FranchisePortal --> PartnerSync
    CustomerHubPortal --> PartnerSync
    StoreOpsPortal --> DispatchHost
    DispatchBoard --> DispatchHost

    DispatchHost --> StoreOpsBiz
    PartnerSync --> CustomerHubBiz
    StoreOpsBiz --> SharedLayer
    CustomerHubBiz --> SharedLayer

    PosExternal --> PosSync
    PosSync --> SharedLayer
    Batch --> SharedLayer

    SharedLayer --> StoreOpsDb
    SharedLayer --> CustomerHubDb
    SharedLayer --> ReportingDb
    Batch --> ReportingDb

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Repository structure

• src\before\ — legacy .NET Framework solution and projects
• src\after\ — modernized target solution space
• docs\ — before/after architecture and supporting documentation
• data\ — SQL Server assets and sample data artifacts
• scripts\ — helper scripts for legacy validation and setup

Building and testing

The canonical legacy solution entry point is src\before\Fabrikam.EnterprisePizza.Legacy.sln.

nuget restore src\before\Fabrikam.EnterprisePizza.Legacy.sln
dotnet msbuild src\before\Fabrikam.EnterprisePizza.Legacy.sln /t:Build /p:Configuration=Debug
powershell -ExecutionPolicy Bypass -File .\scripts\Invoke-LegacyNUnit.ps1 -AssemblyPath .\src\before\Fabrikam.EnterprisePizza.Tests.Unit\bin\Debug\Fabrikam.EnterprisePizza.Tests.Unit.dll