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The Dispatch Demo - ardalis/CleanArchitecture


Executive Summary

The Clean Architecture Solution Template project, hosted on GitHub under the repository ardalis/CleanArchitecture, provides a starting point for implementing Clean Architecture using ASP.NET Core. Maintained by Steve Smith and his company NimblePros, the project is well-regarded in the developer community, evidenced by its 15,544 stars and 2,707 forks. The project is actively maintained, with frequent updates and a focus on clean code principles.

Notable Elements:

Recent Activity

Team Members and Contributions:

Recent Pull Requests:

  1. PR #788: Minor typo fix in jquery.validate.js.
  2. PR #763: Introduces KISS principle and fluent builder pattern; ongoing discussions and reviews.
  3. PR #487: Adds JWT authentication with Microsoft Identity; long-standing PR with security concerns needing resolution.

Recently Closed Pull Requests:

Issues:

Risks

  1. Long-standing PRs:

    • PR #487: Open for over a year with unresolved security concerns and architectural discussions. This indicates potential prioritization issues or complexity in resolving the outstanding concerns.
  2. Testing Failures:

    • Issues like #739 highlight functional test failures due to internal server errors, which are critical as they indicate potential flaws in core functionality.
  3. Template Initialization Problems:

    • Multiple issues (#731, #730) report errors during the initial setup of projects using the template, suggesting recurring problems that could hinder new users.

Of Note

  1. Namespace Cleanup and Global Usings:

    • Recent efforts to clean up namespaces and introduce GlobalUsings.cs file indicate a focus on reducing clutter and improving code readability.
  2. Introduction of Fluent Builder Pattern:

    • The adoption of the fluent builder pattern in PR #763 enhances readability and flexibility in object construction.
  3. Automated Dependency Management:

    • Dependabot's role in automating dependency updates ensures the project remains secure and up-to-date with minimal manual intervention.

Conclusion

The Clean Architecture Solution Template project is actively maintained with a strong focus on code quality improvements, security enhancements, and dependency management. However, attention is needed to resolve long-standing PRs like #487 and address critical issues such as testing failures and template initialization problems to ensure the project's robustness and ease of use for new users.

Detailed Reports

Report On: Fetch issues



Recent Activity Analysis

Recent GitHub issue activity for the ardalis/CleanArchitecture project has been moderate, with a mix of bug reports, feature requests, and general inquiries.

Several issues exhibit notable anomalies or complications. For instance, #739 highlights a failing functional test due to an internal server error, which is critical as it indicates a potential flaw in the project's core functionality. Issues #731 and #730 both report errors when launching newly created projects from the template, suggesting recurring problems with initial setup and configuration. Additionally, #737 points out namespace inconsistencies in the "sample" project, which could lead to confusion and integration issues.

Common themes among the issues include:

  • Dependency Management: Issues like #761 and #760 discuss removing unused references, indicating a focus on cleaning up dependencies.
  • Template Initialization Problems: Multiple issues (#731, #730) report errors during the initial setup of projects using the template.
  • Testing Failures: Several issues (#739, #682) highlight problems with functional tests failing.
  • Namespace and Naming Conventions: Issues like #737 and #670 point out inconsistencies in naming and namespace usage.

Issue Details

Most Recently Created Issues

Issue #761: Web Project: Remove unused references

  • Priority: Medium
  • Status: Open
  • Created: 36 days ago
  • Updated: N/A

Issue #760: UseCases project: Remove unused reference

  • Priority: Medium
  • Status: Open
  • Created: 36 days ago
  • Updated: N/A

Issue #746: ProjectStatus and PriorityStatus

  • Priority: Low
  • Status: Open
  • Created: 72 days ago
  • Updated: N/A

Most Recently Updated Issues

Issue #748: Documentation update: Update requests for the section on Controllers and Razor Pages

  • Priority: Low
  • Status: Closed
  • Created: 71 days ago
  • Updated: 37 days ago

Issue #720: Renaming Enhancement in Web Project.

  • Priority: Low
  • Status: Closed
  • Created: 139 days ago
  • Updated: 139 days ago

Issue #694: Replace Autofac with Vanilla dotnet DI

  • Priority: High
  • Status: Closed
  • Created: 160 days ago
  • Updated: 149 days ago

Report On: Fetch pull requests



Analysis of Pull Requests for ardalis/CleanArchitecture

Open Pull Requests

PR #788: chore: update jquery.validate.js

  • State: Open
  • Created: 1 day ago
  • Summary: This PR corrects a typo in the jquery.validate.js file, changing "retreive" to "retrieve".
  • Files Changed: 1 file (jquery.validate.js)
  • Lines Changed: +2, -2
  • Comments: No significant issues. This is a minor change and should be straightforward to review and merge.

PR #763: KISS principle & fluent builder pattern

  • State: Open
  • Created: 31 days ago, edited 3 days ago
  • Summary: Introduces the KISS principle and fluent builder pattern to the project.
  • Files Changed: Multiple files across the project.
  • Lines Changed: +64, -94
  • Comments:
    • Discussion around the use of fluent builders and adherence to the KISS principle.
    • Suggestions for making methods private/protected.
    • This PR has seen significant discussion and multiple merges from the main branch, indicating ongoing active development and review.

PR #487: Add Identity/Auth to template #300

  • State: Open
  • Created: 584 days ago, edited 341 days ago
  • Summary: Adds JWT authentication with Microsoft Identity.
  • Files Changed: Multiple files across the project.
  • Lines Changed: +1678, -7
  • Comments:
    • Concerns about pulling dependencies on IdentityUser into the Core project.
    • Several security-related comments from GitHub Advanced Security bot.
    • This PR has been open for a very long time (over a year), indicating potential issues or low priority. Needs attention to resolve outstanding concerns.

Recently Closed Pull Requests

PR #787: Bump FastEndpoints.Swagger from 5.27.0 to 5.28.0

  • State: Closed (Merged)
  • Created: 5 days ago, closed 5 days ago
  • Summary: Updates FastEndpoints.Swagger dependency.
  • Files Changed: 1 file (Directory.Packages.props)
  • Lines Changed: +1, -1
  • Comments: Successfully merged without issues.

PR #786: Bump Serilog.AspNetCore from 8.0.1 to 8.0.2

  • State: Closed (Merged)
  • Created: 6 days ago, closed 6 days ago
  • Summary: Updates Serilog.AspNetCore dependency.
  • Files Changed: 1 file (Directory.Packages.props)
  • Lines Changed: +1, -1
  • Comments: Successfully merged without issues.

PR #785: Bump FastEndpoints from 5.27.0 to 5.28.0

  • State: Closed (Merged)
  • Created: 7 days ago, closed 6 days ago
  • Summary: Updates FastEndpoints dependency.
  • Files Changed: 1 file (Directory.Packages.props)
  • Lines Changed: +1, -1
  • Comments: Successfully merged without issues.

PR #784: Bump FastEndpoints.Swagger and FastEndpoints

  • State: Closed (Merged)
  • Created: 7 days ago, closed 5 days ago
  • Summary: Updates both FastEndpoints.Swagger and FastEndpoints dependencies together.
  • Files Changed: No specific files listed; likely similar changes as previous related PRs.
  • Comments:
    • Successfully merged without issues.

PR #782: Bump MediatR from 12.3.0 to 12.4.0

  • State: Closed (Merged)
  • Created: 15 days ago, closed 6 days ago
  • Summary: Updates MediatR dependency.
  • Files Changed: 1 file (Directory.Packages.props)
  • Lines Changed: +1, -1
  • Comments:
    • Successfully merged without issues.

Notable Issues with Closed Without Merge

PR #779 & PR #743 & PR #738 & PR #747 & PR #745 & PR #725 & PR #719 & PR #717:

These are all dependabot updates that were superseded by other updates or closed without merging due to newer versions being available or other reasons.

Summary

The project has several open pull requests that need attention:

  1. PR #788: Minor typo fix, should be easy to merge.
  2. PR #763: Significant refactoring with ongoing discussions; needs more review and consensus on implementation details.
  3. PR #487: Long-standing PR with security concerns and architectural discussions; requires prioritization to resolve outstanding issues.

Recently closed pull requests mostly involve dependency updates handled smoothly by dependabot, indicating good maintenance practices for keeping dependencies up-to-date.

Recommendations

  1. Prioritize reviewing and merging minor fixes like PR #788 to keep the codebase clean.
  2. Continue discussions on architectural changes in PR #763 to reach a consensus and finalize the implementation.
  3. Address long-standing issues in PR #487 by setting clear goals and deadlines for resolving security concerns and architectural decisions.

By focusing on these areas, the project can maintain momentum while addressing both minor fixes and significant architectural improvements effectively.

Report On: Fetch PR 763 For Assessment



PR #763: KISS Principle & Fluent Builder Pattern

Summary of Changes

This pull request introduces the KISS (Keep It Simple, Stupid) principle and the fluent builder pattern to the project. The changes span multiple files and involve a significant number of lines of code. The main changes include:

  1. Contributor Class Refactor:

    • Introduced a SetName method that returns the Contributor object, enabling fluent interface style.
    • Modified the constructor to use SetName instead of directly assigning the name.
  2. Namespace and Usings Cleanup:

    • Removed redundant using statements from several files.
    • Added a GlobalUsings.cs file to centralize commonly used namespaces.
  3. File Renaming and Namespace Adjustments:

    • Renamed several files to better reflect their purpose and adjusted namespaces accordingly.
    • Moved command and query classes into more appropriately named namespaces.
  4. Event and Handler Adjustments:

    • Simplified event handler classes by removing unnecessary using statements.
  5. Service Interface Adjustments:

    • Cleaned up service interfaces by removing redundant using statements.
  6. Project Structure Improvements:

    • Improved project structure by organizing command and query classes into separate folders.

Code Quality Assessment

Positive Aspects

  1. Adherence to KISS Principle:

    • The changes simplify the codebase by removing unnecessary complexity, making it easier to understand and maintain.
  2. Fluent Builder Pattern:

    • The introduction of the fluent builder pattern in the Contributor class enhances readability and allows for more flexible object construction.
  3. Namespace Cleanup:

    • Centralizing common namespaces in a GlobalUsings.cs file reduces clutter in individual files, making them cleaner and more focused on their primary responsibilities.
  4. Consistent Naming Conventions:

    • Renaming files and adjusting namespaces improve consistency across the project, making it easier for developers to navigate the codebase.
  5. Reduction of Redundant Code:

    • Removing unnecessary using statements reduces code bloat and potential confusion about dependencies.

Areas for Improvement

  1. Visibility of Methods:

    • There is a discussion about whether methods like SetName should be public or protected/private. Ensuring that methods have appropriate visibility is crucial for encapsulation and security.
  2. Documentation:

    • Adding comments or documentation for newly introduced methods like SetName would help other developers understand their purpose and usage better.
  3. Unit Tests:

    • Ensure that there are sufficient unit tests to cover the new functionality introduced by the fluent builder pattern, especially edge cases related to object construction.

Detailed Diff Analysis

The diff provided shows changes across multiple files, with a focus on simplifying code and improving structure:

  • Contributor.cs: ```diff
  • public Contributor SetName(string newName)
  • {
  • this.Name = Guard.Against.NullOrEmpty(newName, nameof(newName));
  • return this;
  • } ```

  • GlobalUsings.cs: diff +global using Ardalis.GuardClauses; +global using Ardalis.Result; +global using Ardalis.SharedKernel; +global using Ardalis.SmartEnum; +global using Ardalis.Specification; +global using MediatR; +global using Microsoft.Extensions.Logging;

  • File Renaming and Namespace Adjustments: ```diff -namespace NimblePros.SampleToDo.UseCases.Contributors.Create; +namespace NimblePros.SampleToDo.UseCases.Contributors.Commands.Create;

// Similar changes across multiple files ```

Conclusion

Overall, this PR makes significant improvements to the codebase by adhering to the KISS principle, introducing a fluent builder pattern, cleaning up namespaces, and improving project structure. The changes enhance readability, maintainability, and consistency across the project. However, attention should be given to method visibility, documentation, and ensuring comprehensive unit test coverage for the new functionality.


PR #487: Add Identity/Auth to Template

Summary of Changes

This pull request adds Identity/Auth functionality to the template using JWT authentication with default Microsoft Identity. This is a major feature addition that impacts security and user management within the project.

Code Quality Assessment

Positive Aspects

  1. Security Enhancement:

    • Adding JWT authentication significantly improves the security of the application by providing robust user authentication mechanisms.
  2. Separation of Concerns:

    • The implementation keeps Identity-related code separate from core application data by using a separate IdentityDbContext, adhering to best practices for clean architecture.
  3. Comprehensive Implementation:

    • The PR includes necessary migrations, configuration settings, helper classes, and endpoints for login and signup functionalities.
  4. Use of Established Libraries:

    • Leveraging Microsoft Identity ensures that the implementation is based on well-tested libraries with community support.

Areas for Improvement

  1. Code Duplication:

    • Review comments indicate some areas where there might be redundant or unnecessary code (e.g., unused variables).
  2. Documentation:

    • Detailed documentation on how to configure and use the new authentication features would be beneficial for developers integrating this into their projects.
  3. Error Handling:

    • Ensure comprehensive error handling is in place for authentication-related operations to provide clear feedback to users and developers.
  4. Unit Tests:

    • Extensive unit tests should be added to cover various scenarios related to authentication, including successful logins, failed attempts, token generation, etc.

Detailed Diff Analysis

The diff provided shows extensive changes across multiple files:

  • AppIdentityDbContext.cs (added): ```csharp public class AppIdentityDbContext : IdentityDbContext { public AppIdentityDbContext(DbContextOptions options) : base(options) { }

    protected override void OnModelCreating(ModelBuilder builder) { base.OnModelCreating(builder); // Customize ASP.NET Identity model if needed } } ```

  • JwtService.cs (added): ```csharp public class JwtService : IJwtService { private readonly IConfiguration _configuration;

    public JwtService(IConfiguration configuration) { _configuration = configuration; }

    public string GenerateToken(User user) { var claims = new[] { new Claim(JwtRegisteredClaimNames.Sub, user.Id.ToString()), new Claim(JwtRegisteredClaimNames.Email, user.Email), new Claim(JwtRegisteredClaimNames.Jti, Guid.NewGuid().ToString()) };

      var key = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(_configuration["Jwt:Key"]));
      var creds = new SigningCredentials(key, SecurityAlgorithms.HmacSha256);
    
      var token = new JwtSecurityToken(
          issuer: _configuration["Jwt:Issuer"],
          audience: _configuration["Jwt:Audience"],
          claims: claims,
          expires: DateTime.Now.AddMinutes(30),
          signingCredentials: creds);
    
      return new JwtSecurityTokenHandler().WriteToken(token);
    

    } } ```

  • StartupSetup.cs (modified): ```diff +services.AddIdentity()

  • .AddEntityFrameworkStores()
  • .AddDefaultTokenProviders(); + +services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
  • .AddJwtBearer(options =>
  • {
  • options.TokenValidationParameters = new TokenValidationParameters
  • {
  • ValidateIssuer = true,
  • ValidateAudience = true,
  • ValidateLifetime = true,
  • ValidateIssuerSigningKey = true,
  • ValidIssuer = Configuration["Jwt:Issuer"],
  • ValidAudience = Configuration["Jwt:Audience"],
  • IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(Configuration["Jwt:Key"]))
  • };
  • }); ```

Conclusion

This PR introduces essential authentication features that significantly enhance application security through JWT authentication with Microsoft Identity integration. While it adheres to best practices by keeping identity concerns separate from core application data, attention should be given to eliminating redundant code, improving documentation, ensuring robust error handling, and adding comprehensive unit tests.


Both PRs introduce valuable improvements but require careful review and testing before merging into the main branch to ensure they meet quality standards and do not introduce regressions or vulnerabilities.

Report On: Fetch Files For Assessment



Source Code Assessment

File 1: src/Clean.Architecture.Core/ContributorAggregate/Contributor.cs

Structure and Quality Analysis

  • Namespace and Imports: The file uses appropriate namespaces and imports, leveraging Ardalis.GuardClauses for input validation and Ardalis.SharedKernel for base entity functionality.
  • Class Definition: The Contributor class is defined using a primary constructor, which is a modern C# feature. This approach is concise and ensures that the Name property is initialized correctly.
  • Properties:
    • Name: Validated using Guard.Against.NullOrEmpty, ensuring it is never null or empty.
    • Status: Initialized to a default value of ContributorStatus.NotSet.
    • PhoneNumber: Nullable, allowing contributors without a phone number.
  • Methods:
    • SetPhoneNumber: Uses the PhoneNumber value object to encapsulate phone number details.
    • UpdateName: Ensures the new name is not null or empty using guard clauses.
  • Value Object: The PhoneNumber class encapsulates phone number details and overrides equality components for proper value comparison.

Strengths

  • Validation: Effective use of guard clauses for input validation.
  • Modern C# Features: Utilizes primary constructors and value objects, promoting immutability and clean code practices.
  • Encapsulation: Proper encapsulation of properties and methods.

Weaknesses

  • Documentation: Lacks XML comments or inline documentation, which could aid in understanding the purpose and usage of methods and properties.

File 2: src/Clean.Architecture.Infrastructure/Data/AppDbContext.cs

Structure and Quality Analysis

  • Namespace and Imports: Correctly uses namespaces for Entity Framework Core and domain entities.
  • Class Definition: The AppDbContext class inherits from DbContext and includes a constructor that accepts options and an optional domain event dispatcher.
  • Properties:
    • Contributors: A DbSet representing the Contributors table in the database.
  • Methods:
    • OnModelCreating: Applies configurations from the current assembly, ensuring EF Core configurations are centralized.
    • SaveChangesAsync & SaveChanges: Override methods to include domain event dispatching logic after successful save operations.

Strengths

  • Event Dispatching: Implements domain event dispatching, ensuring events are handled after database changes.
  • Configuration Management: Centralizes EF Core configurations using assembly scanning.

Weaknesses

  • Error Handling: No explicit error handling in overridden save methods, which might be necessary for robust applications.

File 3: src/Clean.Architecture.UseCases/Contributors/Create/CreateContributorHandler.cs

Structure and Quality Analysis

  • Namespace and Imports: Properly uses namespaces for result handling, shared kernel, and domain entities.
  • Class Definition: Implements the command handler interface for creating contributors.
  • Constructor: Accepts a repository dependency via constructor injection, promoting dependency inversion.
  • Handle Method:
    • Creates a new contributor entity from the command request.
    • Sets the phone number if provided.
    • Adds the new contributor to the repository asynchronously.

Strengths

  • Dependency Injection: Uses constructor injection for repository dependency, adhering to SOLID principles.
  • Asynchronous Operations: Handles database operations asynchronously, improving performance.

Weaknesses

  • Error Handling: Lacks error handling within the handle method, which could lead to unhandled exceptions during execution.

File 4: sample/src/NimblePros.SampleToDo.Core/Services/DeleteContributorService.cs

Structure and Quality Analysis

  • Namespace and Imports: Correctly uses namespaces for result handling, domain events, logging, and mediator pattern.
  • Class Definition: Implements the service interface for deleting contributors.
  • Constructor: Accepts repository, mediator, and logger dependencies via constructor injection.
  • DeleteContributor Method:
    • Logs the deletion attempt.
    • Retrieves the contributor by ID from the repository.
    • Deletes the contributor if found; otherwise returns a not found result.
    • Publishes a domain event after successful deletion.

Strengths

  • Logging: Incorporates logging to track deletion attempts.
  • Event Publishing: Publishes a domain event after deletion, adhering to DDD principles.

Weaknesses

  • Error Handling: No explicit error handling within the method, which could lead to unhandled exceptions during execution.

File 5: tests/NimblePros.SampleToDo.FunctionalTests/Contributors/ContributorCreate.cs

Structure and Quality Analysis

  • The file contains functional tests for creating contributors. It verifies application behavior by simulating real-world scenarios.

Strengths

  • Functional tests ensure that the application behaves as expected when creating contributors.

Weaknesses

  • Without seeing the actual content of this file, it's hard to provide specific feedback. However, common issues might include insufficient test coverage or lack of edge case testing.

Overall, the code demonstrates good practices in terms of structure, dependency management, and adherence to clean architecture principles. However, there are areas where documentation and error handling could be improved to enhance maintainability and robustness.

Report On: Fetch commits



Project Overview

The project in question is Clean Architecture Solution Template, hosted on the GitHub repository ardalis/CleanArchitecture. This project provides a starting point for implementing Clean Architecture using ASP.NET Core. Clean Architecture, also known as hexagonal, ports-and-adapters, or onion architecture, aims to create loosely-coupled and maintainable software systems. The repository is maintained by Steve Smith and his company, NimblePros. The project is actively maintained with frequent updates and has garnered significant community interest, evidenced by its 15,544 stars and 2,707 forks. It is licensed under the MIT License.

Recent Development Activities

Team Members and Their Contributions

Khanbala Rashidov (KhanbalaRashidov)

  • Commit: Primary constructor implement (#762)
  • Date: 4 days ago
  • Files Modified:
    • src/Clean.Architecture.Core/ContributorAggregate/Contributor.cs (+8, -20)
    • src/Clean.Architecture.Core/ContributorAggregate/Specifications/ContributorByIdSpec.cs (+1, -3)
    • src/Clean.Architecture.Core/Services/DeleteContributorService.cs (+1, -0)
    • src/Clean.Architecture.Infrastructure/Data/AppDbContext.cs (+3, -9)
    • src/Clean.Architecture.Infrastructure/Data/AppDbContextExtensions.cs (+2, -3)
    • src/Clean.Architecture.Infrastructure/Data/EfRepository.cs (+2, -4)
    • src/Clean.Architecture.Infrastructure/Email/FakeEmailSender.cs (+2, -1)
    • src/Clean.Architecture.Infrastructure/Email/MimeKitEmailSender.cs (+4, -11)
    • src/Clean.Architecture.Infrastructure/Email/SmtpEmailSender.cs (+4, -10)
    • src/Clean.Architecture.UseCases/Contributors/Delete/DeleteContributorHandler.cs (+3, -8)
  • Summary: Implemented primary constructors across multiple files to streamline object initialization.
  • Collaborations: No direct mentions of collaboration.

Akbar Ahmadi Saray (akbaramd)

  • Commit: Change result to implicit type in update UpdateContributorhandler (#741)
  • Date: 5 days ago
  • Files Modified:
    • src/Clean.Architecture.UseCases/Contributors/Update/UpdateContributorHandler.cs (+2, -2)
  • Summary: Refactored code to use implicit types for better readability.
  • Collaborations: Co-authored by Steve Smith.

Dependabot[bot]

  • Commits:
  • Commit: Bump FastEndpoints.Swagger and FastEndpoints (#784)

    • Date: 5 days ago
    • Files Modified:
    • Directory.Packages.props (+1, -1)
  • Commit: Bump FastEndpoints.Swagger from 5.27.0 to 5.28.0 (#787)

    • Date: 5 days ago
    • Files Modified:
    • Directory.Packages.props (+1, -1)
  • Commit: Bump FastEndpoints from 5.27.0 to 5.28.0 (#785)

    • Date: 6 days ago
    • Files Modified:
    • Directory.Packages.props (+1, -1)
  • Commit: Bump MediatR from 12.3.0 to 12.4.0 (#782)

    • Date: 6 days ago
    • Files Modified:
    • Directory.Packages.props (+1, -1)
  • Commit: Bump Serilog.AspNetCore from 8.0.1 to 8.0.2 (#786)

    • Date: 6 days ago
    • Files Modified:
    • Directory.Packages.props (+1, -1)
  • Summary: Automated dependency updates for various packages including FastEndpoints.Swagger, MediatR, and Serilog.AspNetCore.

  • Collaborations: Co-authored by Steve Smith.

Patterns and Conclusions

  1. Active Maintenance and Updates: The project is actively maintained with frequent commits addressing both feature enhancements and dependency updates.

  2. Collaborative Efforts: There is a collaborative effort among contributors with Steve Smith often co-authoring or reviewing changes.

  3. Dependency Management: A significant portion of recent commits involves updating dependencies to ensure the project remains up-to-date with the latest versions of libraries.

  4. Code Quality Improvements: Recent commits also focus on code quality improvements such as refactoring for better readability and implementing new language features like primary constructors.

  5. Automated Contributions: Dependabot plays a crucial role in automating dependency updates, ensuring the project remains secure and up-to-date with minimal manual intervention.

In summary, the Clean Architecture Solution Template project is in a healthy state of active development with a focus on maintaining up-to-date dependencies and improving code quality through collaborative efforts among its contributors.