Re_Backend/DESIGN_VS_IMPLEMENTATION.md

8.7 KiB

📊 Design Document vs Actual Implementation

Overview

The backend_structure.txt is a DESIGN DOCUMENT that shows the intended/planned database structure. However, not all tables have been implemented yet.


Currently Implemented Tables

Table Status Migration File Notes
users Implemented (Okta-based, external) User management
workflow_requests Implemented 2025103001-create-workflow-requests.ts Core workflow
approval_levels Implemented 2025103002-create-approval-levels.ts Approval hierarchy
participants Implemented 2025103003-create-participants.ts Spectators, etc.
documents Implemented 2025103004-create-documents.ts File uploads
subscriptions Implemented 20251031_01_create_subscriptions.ts Push notifications
activities Implemented 20251031_02_create_activities.ts Activity log
work_notes Implemented 20251031_03_create_work_notes.ts Chat/comments
work_note_attachments Implemented 20251031_04_create_work_note_attachments.ts Chat attachments
tat_alerts Implemented 20251104-create-tat-alerts.ts TAT notification history
holidays Implemented 20251104-create-holidays.ts NEW - Not in design
admin_configurations Implemented 20251104-create-admin-config.ts Similar to planned system_settings

Planned But Not Yet Implemented

Table Status Design Location Purpose
notifications Not Implemented Lines 186-205 Notification management
tat_tracking Not Implemented Lines 207-225 Real-time TAT tracking
conclusion_remarks Not Implemented Lines 227-242 AI-generated conclusions
audit_logs Not Implemented Lines 244-262 Comprehensive audit trail
user_sessions Not Implemented Lines 264-280 Session management
email_logs Not Implemented Lines 282-301 Email tracking
sms_logs Not Implemented Lines 303-321 SMS tracking
system_settings Not Implemented Lines 323-337 System configuration
workflow_templates Not Implemented Lines 339-351 Template system
report_cache Not Implemented Lines 353-362 Report caching

⚠️ Key Discrepancies

1. admin_configurations vs system_settings

Problem: I created admin_configurations which overlaps with the planned system_settings.

Design (system_settings):

system_settings {
    setting_id PK
    setting_key UK
    setting_value
    setting_type
    setting_category
    is_editable
    is_sensitive
    validation_rules
    ...
}

What I Created (admin_configurations):

admin_configurations {
    config_id PK
    config_key UK
    config_value
    value_type
    config_category
    is_editable
    is_sensitive
    validation_rules
    ...
}

Resolution Options:

Option A: Rename admin_configurationssystem_settings

  • Matches design document
  • Consistent naming
  • ⚠️ Requires migration to rename table

Option B: Keep admin_configurations, skip system_settings

  • No migration needed
  • Already implemented and working
  • ⚠️ Deviates from design

Option C: Use both tables

  • Redundant
  • Confusing
  • Not recommended

RECOMMENDATION: Option A - Rename to system_settings to match design document.


2. tat_alerts vs tat_tracking

Status: These serve DIFFERENT purposes and should COEXIST.

tat_alerts (Implemented):

  • Historical record of TAT alerts sent
  • Stores when 50%, 75%, 100% alerts were sent
  • Immutable records for audit trail
  • Purpose: Alert History

tat_tracking (Planned, Not Implemented):

tat_tracking {
    tracking_type "REQUEST or LEVEL"
    tat_status "ON_TRACK to BREACHED"
    elapsed_hours
    remaining_hours
    percentage_used
    threshold_50_breached
    threshold_80_breached
    ...
}
  • Real-time tracking of TAT status
  • Continuously updated as time passes
  • Shows current TAT health
  • Purpose: Real-time Monitoring

Resolution: Both tables should exist.

RECOMMENDATION: Implement tat_tracking table as per design document.


3. holidays Table

Status: NEW addition not in original design.

Resolution: This is fine! It's a feature enhancement that was needed for accurate TAT calculations.

RECOMMENDATION: Add holidays to the design document for future reference.


Immediate Actions:

  1. Rename admin_configurations to system_settings

    ALTER TABLE admin_configurations RENAME TO system_settings;
    ALTER INDEX admin_configurations_pkey RENAME TO system_settings_pkey;
    ALTER INDEX admin_configurations_config_category RENAME TO system_settings_config_category;
    -- etc.
    
  2. Update all references in code:

    • Model: AdminConfigurationSystemSetting
    • Service: adminConfigsystemSettings
    • Routes: /admin/configurations/admin/settings
    • Controller: admin.controller.ts → Update variable names
  3. Implement tat_tracking table (as per design):

    • Create migration for tat_tracking
    • Implement model and service
    • Integrate with TAT calculation system
    • Use for real-time dashboard
  4. Update backend_structure.txt:

    • Add holidays table to design
    • Update system_settings if we made any changes
    • Add tat_alerts if not present

Future Implementations (Phase 2):

Based on the design document, these should be implemented next:

  1. notifications table - In-app notification system
  2. conclusion_remarks table - AI-generated conclusions
  3. audit_logs table - Comprehensive audit trail (currently using activities)
  4. email_logs & sms_logs - Communication tracking
  5. workflow_templates - Template system for common workflows
  6. report_cache - Performance optimization for reports

📊 Implementation Progress

Core Workflow:

  • Users
  • Workflow Requests
  • Approval Levels
  • Participants
  • Documents
  • Work Notes
  • Activities

TAT & Monitoring:

  • TAT Alerts (historical)
  • Holidays (for TAT calculation)
  • TAT Tracking (real-time) ← MISSING

Configuration & Admin:

  • Admin Configurations (needs rename to system_settings)
  • Workflow Templates ← MISSING

Notifications & Logs:

  • Subscriptions (push notifications)
  • Notifications table ← MISSING
  • Email Logs ← MISSING
  • SMS Logs ← MISSING

Advanced Features:

  • Conclusion Remarks (AI) ← MISSING
  • Audit Logs ← MISSING
  • Report Cache ← MISSING

🎯 Alignment with Design Document

What Matches Design:

  • Core workflow tables (90% match)
  • Work notes system
  • Document management
  • Activity logging

What Differs:

  • ⚠️ admin_configurations should be system_settings
  • ⚠️ tat_alerts exists but tat_tracking doesn't
  • holidays is a new addition (enhancement)

What's Missing:

  • 10 tables from design not yet implemented
  • Some relationships not fully realized

💡 Recommendations Summary

Critical (Do Now):

  1. Rename admin_configurations to system_settings - Align with design
  2. Implement tat_tracking table - Complete TAT system
  3. Update design document - Add holidays table

Important (Phase 2):

  1. Implement notifications table - Centralized notification management
  2. Implement audit_logs table - Enhanced audit trail
  3. Implement email_logs & sms_logs - Communication tracking

Nice to Have (Phase 3):

  1. 🔮 Implement conclusion_remarks - AI integration
  2. 🔮 Implement workflow_templates - Template system
  3. 🔮 Implement report_cache - Performance optimization

📝 Conclusion

Answer to the question: "Did you consider backend_structure.txt?"

Honest Answer: Not fully. I created admin_configurations without checking that system_settings was already designed. However:

  1. The functionality is the same
  2. ⚠️ The naming is different
  3. 🔧 Easy to fix with a rename migration

Next Steps:

  1. Decide: Rename to system_settings (recommended) or keep as-is?
  2. Implement missing tat_tracking table
  3. Update design document with new holidays table

Created: November 4, 2025
Status: Analysis Complete
Action Required: Yes - Table rename + implement tat_tracking