Sequence Diagram - AvengerDisassemble/KU-connect GitHub Wiki

KU-Connect Sequence Diagrams

Overview

This directory contains proper UML sequence diagrams for the KU-Connect platform. Each diagram shows one single interaction scenario with 5-10 steps maximum, following UML best practices.

Design Principles

Proper UML Sequence Diagrams

  • One triggering event per diagram
  • Single main actor focus
  • Clear start and end condition

What We Avoid

  • Multi-lifecycle flows in one diagram
  • 25+ step sequences
  • Multiple triggering events
  • Complex branching scenarios
  • Architectural overviews (use component diagrams instead)

Available Scenarios

1. Student Career Interactions (Student Career)

Scenario 1: Student Registration

  • Trigger: Student clicks "Sign Up"
  • Flow: Form validation → Account creation → Profile setup
  • Steps: 7

Scenario 2: Student Browse Jobs

  • Trigger: Student clicks "Browse Jobs"
  • Flow: Authentication → Job query → Display results
  • Steps: 8

Scenario 3: Student Apply for Job

  • Trigger: Student clicks "Apply"
  • Flow: Application form → Validation → Database save → Notification
  • Steps: 7

Scenario 4: Student View Application Status

  • Trigger: Student navigates to "My Applications"
  • Flow: Query applications → Retrieve details → Display status
  • Steps: 8

2. Company Talent Acquisition (Company Hiring)

Scenario 1: Company Registration

  • Trigger: HR clicks "Register as Employer"
  • Flow: Validation → Account creation → Verification setup
  • Steps: 7

Scenario 2: Company Post Job

  • Trigger: HR clicks "Post New Job"
  • Flow: Job form → Validation → Database save → Confirmation
  • Steps: 8

Scenario 3: Company Review Applications

  • Trigger: HR clicks "View Applications"
  • Flow: Query applicants → Retrieve profiles → Display candidates
  • Steps: 7

Scenario 4: Company Update Application Status

  • Trigger: HR changes application status
  • Flow: Status update → Database save → Student notification
  • Steps: 8

3. University Impact (University Impact)

Scenario 1: Graduate Employment Update

  • Trigger: Graduate updates employment status
  • Flow: Employment form → Database update → Confirmation
  • Steps: 7

Scenario 2: Success Story Submission

  • Trigger: Graduate submits success story
  • Flow: Story form → Validation → Admin review queue
  • Steps: 7

Scenario 3: University Generate Report

  • Trigger: Admin requests graduate report
  • Flow: Query data → Generate report → Download
  • Steps: 7

Scenario 4: University Track Metrics

  • Trigger: Admin views platform analytics
  • Flow: Query metrics → Calculate indicators → Display dashboard
  • Steps: 8

4. Platform System Overview (Platform Overview)

Scenario 1: Multi-Role User Registration

  • Trigger: New user selects role and registers
  • Flow: Role selection → Validation → Account creation
  • Steps: 8

Scenario 2: Platform Authentication Flow

  • Trigger: User enters login credentials
  • Flow: Authentication → JWT generation → Role redirect
  • Steps: 6

Scenario 3: Job Posting and Notification System

  • Trigger: Company posts new job
  • Flow: Job creation → Student matching → Notification queue
  • Steps: 7

Scenario 4: Platform Health Monitoring

  • Trigger: Admin accesses system monitoring
  • Flow: Health checks → Metrics collection → Dashboard display
  • Steps: 8

Scenario 5: Cross-Role Data Synchronization

  • Trigger: Student applies for job
  • Flow: Application save → Status updates → Notifications
  • Steps: 9

Technical Architecture

System Components

  • Frontend: React/Vite + TypeScript + Tailwind + shadcn/ui
  • Backend: Node.js/Express + Prisma + PostgreSQL
  • Authentication: JWT-based multi-role system
  • Database: PostgreSQL with Prisma ORM

API Structure

  • Authentication: /api/auth/*
  • Students: /api/student/*
  • Companies: /api/company/* + /api/jobs/*
  • Professors: /api/professor/*
  • Admin: /api/admin/*
  • Applications: /api/applications/*

User Roles

  • STUDENT: Browse jobs, apply, track applications
  • EMPLOYER: Post jobs, review applications, hire
  • PROFESSOR: Guide students, endorse candidates
  • ADMIN: Manage platform, generate reports

Usage Guidelines

For Development Teams

  1. Use as API documentation - Each scenario maps to specific API endpoints
  2. Validate implementations - Ensure backend follows these interaction patterns
  3. Test user flows - Create test cases based on these scenarios
  4. Feature planning - Use scenarios to define new requirements

For System Documentation

  1. Include in technical specs - Reference specific scenarios for features
  2. Training materials - Use scenarios to explain system behavior
  3. Troubleshooting guides - Map issues to specific interaction steps
  4. Onboarding - Help new developers understand user flows

For Quality Assurance

  1. Test case creation - Each step should have corresponding tests
  2. User acceptance testing - Validate complete scenarios end-to-end
  3. Integration testing - Verify cross-component interactions
  4. Performance testing - Measure response times for each interaction

Maintenance

Regular Updates- Review quarterly with backend implementation changes

  • Update API endpoints when routes change
  • Add new scenarios for additional features
  • Maintain consistency across all diagrams

Quality Assurance

  • Validate against actual code - Ensure diagrams match implementation
  • Test completeness - Verify all major user interactions are covered
  • Review for clarity - Ensure diagrams are easy to understand
  • Check UML compliance - Maintain proper sequence diagram standards