Resolved issue #1323 Two-Step View pattern

[sharara6]

created a two-step view design pattern for more details check the read-me file

close issue #1323

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
94.6% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[sharara6]

@iluwatar may you review this PR ?

[sharara6]

Dear @iluwatar may you check my PR?

[sharara6]

This is a gentle follow up.

[sharara6]

Thank you for your review. I am in the midst of final exams right now. May I work on it next week?

[iluwatar]

Thank you for your review. I am in the midst of final exams right now. May I work on it next week?

Sure, no problem. Good luck with the exams 😄

[github-actions]

PR Summary

This PR implements the Two-Step View pattern, separating data preparation from presentation. It includes a new module (two-step-view) demonstrating this pattern with a Book and BookStore example, and updates to existing test files for improved test coverage.

Changes

File	Summary
microservices-idempotent-consumer/src/test/java/com/iluwatar/idempotentconsumer/AppTest.java	Updated the file header to include the MIT license information and added a description of the project.
microservices-idempotent-consumer/src/test/java/com/iluwatar/idempotentconsumer/RequestStateMachineTests.java	Updated the file header to include the MIT license information and added a description of the project.
pom.xml	Added the two-step-view module to the project.
two-step-view/README.md	This file provides a comprehensive explanation of the Two-Step View pattern, including its intent, real-world examples, a programmatic example in Java, when to use it, tutorials, real-world applications, benefits, trade-offs, related design patterns, and references.
two-step-view/pom.xml	This is the pom.xml file for the two-step-view module. It defines the project dependencies and build configurations.
two-step-view/src/main/java/com/iluwatar/App.java	This is the main application class that demonstrates the Two-Step View pattern using Book and BookStore objects.
two-step-view/src/main/java/com/iluwatar/Book.java	Represents a Book object with properties like name, price, discount, and stock. Includes input validation.
two-step-view/src/main/java/com/iluwatar/BookStore.java	Represents processed book data for presentation, including discounted price and stock status.
two-step-view/src/main/java/com/iluwatar/DataPreparation.java	Prepares book data by calculating discount prices and checking stock availability.
two-step-view/src/main/java/com/iluwatar/Presentation.java	Generates an HTML representation of the book details.
two-step-view/src/test/java/com/iluwatar/BookStoreTest.java	This file contains unit tests for the DataPreparation and Presentation classes, covering various scenarios including discount, stock status, and edge cases.
update-header.sh	Updated the script to include the MIT license information in the header of all files.

---

autogenerated by presubmit.ai

[github-actions]

✅ LGTM!

Review Summary

Commits Considered (3)

• a3fe274: Resolved Reviews
• 53afd1f: Fixed tet coverage and fixed some edge cases
• f833ad3: Resolved issue #1323 Two-Step View pattern

Files Processed (12)

• microservices-idempotent-consumer/src/test/java/com/iluwatar/idempotentconsumer/AppTest.java (1 hunk)
• microservices-idempotent-consumer/src/test/java/com/iluwatar/idempotentconsumer/RequestStateMachineTests.java (1 hunk)
• pom.xml (1 hunk)
• two-step-view/README.md (1 hunk)
• two-step-view/pom.xml (1 hunk)
• two-step-view/src/main/java/com/iluwatar/App.java (1 hunk)
• two-step-view/src/main/java/com/iluwatar/Book.java (1 hunk)
• two-step-view/src/main/java/com/iluwatar/BookStore.java (1 hunk)
• two-step-view/src/main/java/com/iluwatar/DataPreparation.java (1 hunk)
• two-step-view/src/main/java/com/iluwatar/Presentation.java (1 hunk)
• two-step-view/src/test/java/com/iluwatar/BookStoreTest.java (1 hunk)
• update-header.sh (1 hunk)

Actionable Comments (0)

Skipped Comments (8)

• microservices-idempotent-consumer/src/test/java/com/iluwatar/idempotentconsumer/AppTest.java [1-24]

  best practice: "License header too verbose."

• microservices-idempotent-consumer/src/test/java/com/iluwatar/idempotentconsumer/RequestStateMachineTests.java [1-24]

  best practice: "License header too verbose."

• two-step-view/src/main/java/com/iluwatar/App.java [1-27]

  best practice: "License header too verbose."

• two-step-view/src/main/java/com/iluwatar/Book.java [1-24]

  best practice: "License header too verbose."

• two-step-view/src/main/java/com/iluwatar/BookStore.java [1-24]

  best practice: "License header too verbose."

• two-step-view/src/main/java/com/iluwatar/DataPreparation.java [1-24]

  best practice: "License header too verbose."

• two-step-view/src/main/java/com/iluwatar/Presentation.java [1-24]

  best practice: "License header too verbose."

• two-step-view/src/test/java/com/iluwatar/BookStoreTest.java [1-24]

  best practice: "License header too verbose."

[sonarqubecloud]

Quality Gate failed

Failed conditions
D Reliability Rating on New Code (required ≥ A)

See analysis details on SonarQube Cloud

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[iluwatar]

Additionally, please resolve the conflicts.

[iluwatar]

Add front-matter as instructed in https://github.com/iluwatar/java-design-patterns/wiki/21.-New-Pattern-Template

[iluwatar]

Add short programmatic example here. See the other patterns for examples of how to do this.

[iluwatar]

Closed due to inactivity. Thank you for the contribution.