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  • Book Overview & Buying Clean Code with C#
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Clean Code with C#

Clean Code with C# - Second Edition

By : Jason Alls
4.5 (0)
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Clean Code with C#

Clean Code with C#

4.5 (0)
By: Jason Alls
Buy this Book

Overview of this book

Traditionally associated with Windows desktop applications and game development, C# has expanded into web, cloud, and mobile development. However, despite its extensive coding features, professionals often encounter issues with efficiency, scalability, and maintainability due to poor code. Clean Code in C# guides you in identifying and resolving these problems using coding best practices. This book starts by comparing good and bad code to emphasize the importance of coding standards, principles, and methodologies. It then covers code reviews, unit testing, and test-driven development, and addresses cross-cutting concerns. As you advance through the chapters, you’ll discover programming best practices for objects, data structures, exception handling, and other aspects of writing C# computer programs. You’ll also explore API design and code quality enhancement tools, while studying examples of poor coding practices to understand what to avoid. By the end of this clean code book, you’ll have the developed the skills needed to apply industry-approved coding practices to write clean, readable, extendable, and maintainable C# code.
Table of Contents (18 chapters)
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Preface
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Preface
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Who this book is for
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What this book covers
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To get the most out of this book
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Download the example code files
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Conventions used
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Get in touch
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Share Your Thoughts
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Download a free PDF copy of this book
1
Chapter 1: Coding Standards and Principles in C#
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Chapter 1: Coding Standards and Principles in C#
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Technical requirements
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Good code versus bad code
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The need for coding standards, principles, and methodologies
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Summary
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Questions
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Further reading
Lock Free Chapter
2
Chapter 2: Code Review – Process and Importance
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Chapter 2: Code Review – Process and Importance
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A brief introduction to GitHub
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The code review process
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Preparing code for review
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Leading a code review
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Knowing what to review
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Knowing when to send code for review
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Providing and responding to review feedback
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Summary
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Questions
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Further reading
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Chapter 3: Classes, Objects, and Data Structures
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Chapter 3: Classes, Objects, and Data Structures
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Technical requirements
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Organizing classes
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A class should have only one responsibility
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Class organization
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Commenting for documentation generation
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Cohesion and coupling
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Designing for change
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The Law of Demeter
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Immutable objects and data structures
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Objects should hide data and expose methods
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Data structures should expose data and have no methods
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The SOLID software methodology
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Summary
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Questions
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Further reading
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Chapter 4: Writing Clean Functions
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Chapter 4: Writing Clean Functions
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Technical requirements
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Understanding the difference between OOP and FP
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Unclean methods and how they affect software
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FP and clean methods
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FP examples
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Keeping methods small
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Indenting code
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Breaking out of loops
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Avoiding duplication
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Avoiding multiple parameters
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Implementing the SRP
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Handling exceptions in FP
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Adding comments for readability
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Variable declaration and memory management
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Applying security in methods, especially in APIs
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Summary
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Questions
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Further reading
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Chapter 5: Exception Handling
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Chapter 5: Exception Handling
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Technical requirements
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Overview of exception handling in C#
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Clean code exception-handling principles
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Best practices for handling exceptions
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Handling the TPL AggregateException exception
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Creating custom exceptions and when to use them
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Avoiding common mistakes in exception handling
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Testing exception handling
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An employee management example of mocking and unit testing with correct exception handling
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Summary
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Questions
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Further reading
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Chapter 6: Unit Testing
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Chapter 6: Unit Testing
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Technical requirements
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Understanding unit testing
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Writing testable code
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TDD
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Choosing a testing framework
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Writing effective unit tests
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Integrating tests into the continuous integration and deployment (CI/CD) pipeline
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Problem tests
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Summary
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Questions
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Further reading
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Chapter 7: Designing and Developing APIs
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Chapter 7: Designing and Developing APIs
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Technical requirements
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What is an API?
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API development in C#
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Web API security with OWASP
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Summary
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Questions
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Further reading
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Chapter 8: Addressing Cross-Cutting Concerns
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Chapter 8: Addressing Cross-Cutting Concerns
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A definition of cross-cutting concerns
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Importance and impact on software development
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Common examples of cross-cutting concerns
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Summary
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Questions
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Further reading
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Chapter 9: AOP with PostSharp
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Chapter 9: AOP with PostSharp
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Technical requirements
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AOP
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How AOP works with PostSharp
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Project – Cross-cutting concerns reusable library
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PostSharp and build pipeline considerations
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Dynamic AOP with Castle.DynamicProxy
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Summary
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Questions
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Further reading
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Chapter 10: Using Tools to Improve Code Quality
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Chapter 10: Using Tools to Improve Code Quality
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Technical requirements
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Code analysis
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Using quick actions
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Using the JetBrains dotTrace profiler
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Using JetBrains ReSharper
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Using Telerik JustDecompile
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Continuous integration with GitHub Actions and CodeQL
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Summary
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Questions
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Further reading
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Chapter 11: Refactoring C# Code
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Chapter 11: Refactoring C# Code
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Technical requirements
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Application-level code smells
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Class-level code smells
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Method-level smells
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Summary
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Questions
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Further reading
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Chapter 12: Functional Programming
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Chapter 12: Functional Programming
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Technical requirements
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Imperative versus functional programming
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Overview of functional programming in C#
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First-class functions and Lambda expressions
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Lambda expressions in C#
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Higher-order functions
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Immutability and pure functions
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Functional composition
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Option types and the Maybe monad
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Functional error handling
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Functional data transformation and pipelines
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Lazy evaluation
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Pattern matching
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Currying and partial application
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Concurrency with functional programming
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Recursion
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Summary
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Questions
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Further reading
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Chapter 13: Cross-Platform Application Development with MAUI
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Chapter 13: Cross-Platform Application Development with MAUI
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Technical requirements
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Project overview
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Creating the project
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Summary
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Questions
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Further reading
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Chapter 14: Microservices
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Chapter 14: Microservices
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What are microservices?
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The design process for building successful microservices
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The application life cycle management (ALM) of microservices
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Microservice architecture patterns
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Service registration and discovery
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Containerization and orchestration of microservices
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Serverless
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API gateways
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Event-driven communication
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Service resilience and fault tolerance
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Service monitoring and observability
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Security
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CI/CD
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Microservice testing
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Scaling microservices
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Versioning and compatibility
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Microservices best practices and anti-patterns
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Case studies and real-world examples
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Summary
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Questions
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Further reading
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Assessments
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Chapter 1
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Chapter 2
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Chapter 3
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Chapter 4
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Chapter 5
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Chapter 6
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Chapter 7
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Chapter 8
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Chapter 9
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Chapter 10
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Chapter 11
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Chapter 12
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Chapter 13
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Chapter 14
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Index
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Index
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Why subscribe?
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Other Books You May Enjoy
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Other Books You May Enjoy
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Packt is searching for authors like you
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Share Your Thoughts
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Download a free PDF copy of this book

Conventions used

There are a number of text conventions used throughout this book.

Code in text: Indicates code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. Here is an example: “The InMemoryRepository class implements the GetApiKey() method of IRepository. This returns a dictionary of API keys. These keys will be stored in our_apiKeys dictionary member variable”

A block of code is set as follows:

using CH10_DividendCalendar.Security.Authentication;using System.Threading.Tasks;
namespace CH10_DividendCalendar.Repository { 
    public interface IRepository 
    { 
        Task<ApiKey> GetApiKey(string providedApiKey); 
    } 
}

Any command-line input or output is written as follows:

az group create --name "<YourResourceGroupName>" --location "East US"

Bold: Indicates a new term, an important word, or words that you see onscreen. For instance, words in menus or dialog boxes appear in bold. Here is an example: “To create the app service, right-click the project you created and select Publish from the menu.”

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