DuoCodo

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العربية

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4.1 Functional Requirements ​

1. User Management System ​

1.1 User Registration and Authentication ​

  • FR-1.1: System shall allow users to create accounts using email, username, and password.
  • FR-1.2: System shall support social login (Google, GitHub) for quick registration.
  • FR-1.3: System shall implement email verification for new accounts.
  • FR-1.4: System shall provide secure password reset functionality via email.
  • FR-1.5: System shall enforce strong password policies (minimum 8 characters, special characters).
  • FR-1.6: System shall implement two-factor authentication (2FA) as an additional security feature.

Optional Feature

Two-factor authentication (2FA).

1.2 User Profiles and Settings ​

  • FR-1.7: System shall allow users to create and edit personal profiles with avatar, bio, and learning goals.
  • FR-1.8: System shall allow users to select preferred programming languages (Python, JavaScript, etc.).
  • FR-1.9: System shall support multiple language interface options (Arabic, English).

1.3 User Roles and Permissions ​

  • FR-1.10: System shall support multiple user roles: Learner, Administrator, Content Creator.
  • FR-1.11: System shall implement role-based access control for different platform features.

2. Learning Management System ​

2.1 Course Structure and Navigation ​

  • FR-2.1: System shall organize content into structured learning paths from fundamentals to advanced topics.
  • FR-2.2: System shall implement prerequisite-based lesson unlocking mechanisms.
  • FR-2.3: System shall provide a visual learning roadmap showing completed, current, and locked modules.
  • FR-2.4: System shall support multiple learning tracks (Python, JavaScript, Web Development, OOP, Algorithms).

Optional Feature

Lesson bookmarking.

2.2 Lesson Content Delivery ​

  • FR-2.5: System shall support multi-format lesson content (text, videos).
  • FR-2.6: System shall provide step-by-step coding walkthroughs with highlighted code segments.
  • FR-2.7: System shall include conceptual explanations before practical exercises.
  • FR-2.8: System shall support rich text formatting, code syntax highlighting, and embedded media.

Optional Feature

Estimated completion time per lesson.

2.3 Adaptive Learning Features ​

  • FR-2.9: System shall track user performance and recommend personalized learning paths.
  • FR-2.10: System shall adjust exercise difficulty based on user success rates.
  • FR-2.11: System shall provide spaced repetition reminders for previously learned concepts.

3. Code Editor and Execution Environment ​

3.1 In-Browser Code Editor ​

  • FR-3.1: System shall embed Monaco Editor for in-browser code editing.
  • FR-3.2: System shall support syntax highlighting for Python, JavaScript, etc.
  • FR-3.3: System shall provide auto-completion and IntelliSense features.
  • FR-3.4: System shall include line numbering, code folding, and bracket matching.
  • FR-3.5: System shall support multiple editor themes (dark/light mode).
  • FR-3.6: System shall provide keyboard shortcuts for common coding operations.

3.2 Code Execution and Testing ​

  • FR-3.7: System shall execute user code securely using APIs.
  • FR-3.8: System shall display real-time output and error messages.

Optional Feature

Test case validation, execution performance metrics.

3.3 Code Analysis and Feedback ​

  • FR-3.9: System shall provide instant syntax error detection and suggestions.
  • FR-3.10: System shall offer code optimization suggestions and best practices.
  • FR-3.11: System shall compare user solutions with model answers.
  • FR-3.12: System shall highlight potential bugs or logical errors using LLM.

Optional Feature

Code complexity analysis with Big O insights.

3.4 Blockly Integration ​

  • FR-3.13: System shall provide a block-based workspace with customizable categories (Logic, Math, Control, Events, etc.).
  • FR-3.14: System shall allow users to generate source code (JavaScript/Python) from block structures.
  • FR-3.15: System shall enable code execution within the application environment.
  • FR-3.16: System shall support saving and loading block configurations in XML/JSON format.

Optional Feature

Custom block expansion.

4. Interactive Exercise System ​

4.1 Exercise Types and Structure ​

  • FR-4.1: System shall support coding challenges, bug fixing, code completion, and multiple-choice exercises.
  • FR-4.2: System shall provide clear problem statements with input/output examples.
  • FR-4.3: System shall include starter code templates when appropriate.
  • FR-4.4: System shall support progressive difficulty within exercise sets.
  • FR-4.5: System shall offer optional hints and explanations.

4.2 Validation and Grading ​

  • FR-4.6: System shall automatically validate solutions against test cases.
  • FR-4.7: System shall track solution attempts and provide retry mechanisms.

Optional Feature

Immediate feedback, partial credit.

4.3 Solution Management ​

  • FR-4.8: System shall provide "section of solutions" after successful completion.
  • FR-4.9: System shall allow users to submit multiple approaches to the same problem.

Optional Feature

Save and version solutions.

5. Gamification System ​

5.1 Points and Experience (XP) ​

  • FR-5.1: System shall award XP for completed lessons, exercises, and achievements.
  • FR-5.2: System shall implement progressive XP requirements for level advancement.
  • FR-5.3: System shall provide XP bonuses for consecutive learning streaks.
  • FR-5.4: System shall award bonus points for first attempts.
  • FR-5.5: System shall display XP progress bars and level indicators.

5.2 Achievement System ​

  • FR-5.6: System shall implement badge categories (completion, mastery, collaboration).
  • FR-5.7: System shall provide rare and legendary badges for exceptional achievements.
  • FR-5.8: System shall display badge galleries on user profiles.
  • FR-5.9: System shall notify users upon earning new achievements.

Optional Feature

Skill-specific badges.

5.3 Leaderboards and Competition ​

  • FR-5.10: System shall maintain global and weekly leaderboards.
  • FR-5.11: System shall support friend-based leaderboards and challenges.
  • FR-5.12: System shall provide leaderboard filtering by time, skill level, or language.

5.4 Streaks and Daily Goals ​

  • FR-5.13: System shall track daily learning streaks with visual indicators.
  • FR-5.14: System shall send streak reminder notifications.
  • FR-5.15: System shall provide streak recovery options.

Optional Feature

Personalized daily goals.

5.5 Certification Management ​

  • FR-5.16: System shall display all available certifications with details.
  • FR-5.17: System shall allow eligible users to enroll in certification tracks.
  • FR-5.18: System shall create a certification dashboard showing progress and deadlines.

6. Progress Tracking and Analytics ​

6.1 Individual Progress Monitoring ​

  • FR-6.1: System shall maintain comprehensive learning history per user.
  • FR-6.2: System shall calculate and display skill mastery percentages.
  • FR-6.3: System shall track time spent on topics and exercises.
  • FR-6.4: System shall identify strengths and weaknesses.

6.2 Performance Analytics ​

  • FR-6.5: System shall track accuracy rates and improvement trends.
  • FR-6.6: System shall monitor learning velocity.
  • FR-6.7: System shall calculate estimated completion time for coursework.

6.3 Visual Progress Representation ​

  • FR-6.8: System shall provide interactive progress roadmaps.
  • FR-6.9: System shall display skill trees showing mastered and locked concepts.

Optional Feature

Charts and graphs for analytics.

7. AI-Powered Features ​

7.1 Intelligent Hints and Assistance ​

  • FR-7.1: System shall integrate AI APIs (Gemini via OpenRouter) for contextual hints.
  • FR-7.2: System shall provide progressive hint levels.
  • FR-7.3: System shall analyze user code and suggest improvements.
  • FR-7.4: System shall generate explanations for complex programming concepts.
  • FR-7.5: System shall adapt hint complexity based on user skill.

7.2 Personalized Learning Recommendations ​

  • FR-7.6: System shall suggest relevant exercises when users struggle.

Optional Feature

Learning schedules, AI practice problems.

7.3 Automated Content Generation ​

  • FR-7.7: System shall generate variations of exercises for extra practice.
  • FR-7.8: System shall generate code examples for abstract concepts.

8. Content Management System ​

8.1 Course and Lesson Administration ​

  • FR-8.1: System shall provide a content creation interface for authorized users.

Optional Feature

Content scheduling, review workflows.

8.2 Exercise and Assessment Management ​

  • FR-8.2: System shall allow creation of coding exercises with test cases.
  • FR-8.3: System shall support exercise difficulty categorization.
  • FR-8.4: System shall validate exercises before publication.

Optional Feature

Exercise cloning and templates.

8.3 Multimedia Content Support ​

  • FR-8.5: System shall support video upload or embedding.
  • FR-8.6: System shall support content localization for multiple languages.

Optional Feature

Image embedding and interactive content creation.

9. System Administration ​

9.1 User Management ​

  • FR-9.1: System shall provide an administrative dashboard for managing user accounts.
  • FR-9.2: System shall support user role assignment and permission management.

9.2 Platform Monitoring and Analytics ​

  • FR-9.3: System shall maintain system logs and audit trails.
  • FR-9.4: System shall provide usage statistics and dashboards.

9.3 Content Moderation ​

  • FR-9.5: System shall support manual content review and moderation workflows.
  • FR-9.6: System shall maintain content removal and user warning systems.

10. Integration and API Features ​

10.1 Third-Party Integrations ​

  • FR-10.1: System shall integrate with external authentication providers (OAuth or BetterAuth).
  • FR-10.2: System shall connect with AI services (OpenRouter, Gemini API).

10.2 Platform APIs ​

  • FR-10.3: System shall provide RESTful APIs for web and mobile apps.
  • FR-10.4: System shall support webhook integrations.

10.3 Mobile and Cross-Platform Support ​

  • FR-10.5: System shall deliver a responsive web interface optimized for mobile.
  • FR-10.6: System shall provide mobile-specific features (push notifications).
  • FR-10.7: System shall ensure cross-browser compatibility.

Optional Feature

Offline content caching.

11. Security and Privacy ​

11.1 Data Protection ​

  • FR-11.1: System shall encrypt sensitive user data at rest and in transit.
  • FR-11.2: System shall implement secure session management and timeouts.
  • FR-11.3: System shall provide privacy controls and data deletion options.
  • FR-11.4: System shall comply with GDPR and COPPA standards.

11.2 Platform Security ​

  • FR-11.5: System shall implement input validation and sanitization.
  • FR-11.6: System shall protect against XSS, CSRF, and SQL injection.
  • FR-11.7: System shall secure API endpoints with authentication and authorization.
  • FR-11.8: System shall implement rate limiting and DDoS protection.