APIs Repository - Feature Inventory

Project: Psyter REST API Backend
Audit Date: November 7, 2025
Document Version: 1.0


Table of Contents

  1. Overview
  2. Feature Matrix
  3. Core Features
  4. Feature Dependencies
  5. Third-Party Integrations
  6. Feature Completeness Analysis
  7. Technical Debt & Limitations
  8. Recommendations

Overview

This document provides a comprehensive inventory of all features implemented in the Psyter APIs repository. Features are categorized by domain, with detailed analysis of implementation status, dependencies, and completeness.

Summary Statistics

Metric Count
Total Controllers 18
Total API Endpoints 200+
Feature Domains 12
Third-Party Integrations 6
Database Dependencies 2 databases
External Services 4

Feature Matrix

Implementation Status Legend

  • Complete - Fully implemented and tested
  • 🔶 Partial - Implemented but missing some functionality
  • ⚠️ Limited - Basic implementation, needs enhancement
  • Missing - Not implemented
  • 🔧 Needs Improvement - Works but has issues

Core Features

1. Authentication & Authorization

Feature Status Implementation Notes
Username/Password Login ✅ Complete OAuth 2.0 ROPC Works for all user types
Social Login (Google) ✅ Complete Google OAuth Token validation
Social Login (Facebook) ✅ Complete Facebook SDK Token validation
Social Login (Apple) 🔶 Partial Mentioned in code Implementation unclear
User Registration ✅ Complete Multi-step process Email + Phone verification
Email Verification ✅ Complete OTP via email 15-minute expiry
Phone Verification ✅ Complete OTP via SMS 15-minute expiry
Password Reset ✅ Complete Email-based Secure code generation
Password Change ✅ Complete Old password verification
Two-Factor Authentication ❌ Missing Not implemented Security gap
Session Management ✅ Complete JWT tokens 30-day expiration
Token Refresh ✅ Complete Refresh token flow Stored in database
Token Revocation ⚠️ Limited No explicit endpoint Only via DB manipulation
Role-Based Access Control ✅ Complete Claims-based Client, Provider, Admin
Resource-Based Authorization ✅ Complete UserLoginInfoId validation Users access own data only

Dependencies:
- SQL Server (user credentials storage)
- Email service (SMTP)
- SMS service (gateway)
- Firebase (optional social login)

Issues:
- No 2FA implementation (security risk)
- Password hashing uses MD5 (deprecated, insecure)
- ROPC grant type not recommended for mobile apps
- No biometric authentication support


2. User Management

2.1 Client (Patient) Features

Feature Status Implementation Notes
Profile Creation ✅ Complete Multi-field form Required fields validation
Profile Viewing ✅ Complete GET endpoint Returns full profile
Profile Editing ✅ Complete PUT endpoint Partial updates supported
Profile Picture Upload ✅ Complete File upload 5MB limit, resize to multiple sizes
Delete Account 🔶 Partial Soft delete Data retained for 30 days
Export Personal Data ❌ Missing GDPR requirement Not implemented
Privacy Settings ✅ Complete Preferences endpoint Control data sharing
Notification Preferences ✅ Complete Per-channel settings Email, SMS, Push
Language Preference ✅ Complete Multi-language support Stored in profile
Time Zone Settings ✅ Complete UTC offset For appointment scheduling
Device Registration ✅ Complete FCM token storage Multi-device support
Device Management 🔶 Partial Register/unregister No device list view
User Statistics ✅ Complete Sessions, appointments Dashboard metrics
Activity History ⚠️ Limited Basic logging No detailed timeline

2.2 Provider Features

Feature Status Implementation Notes
General Access Profile ✅ Complete Public profile Name, specialty, bio
Personal Information ✅ Complete Private details DOB, gender, contact
Contact Information ✅ Complete Email, phone, address Multiple contacts
Professional Credentials ✅ Complete Work experience list CRUD operations
Education History ✅ Complete Degrees, institutions CRUD operations
Certifications Upload ✅ Complete File upload PDF, images
CV/Resume Upload ✅ Complete File upload PDF, DOC, DOCX
License Verification 🔶 Partial Upload only No automatic verification
Services Offered ✅ Complete Service catalog Name, duration, price
Service Pricing ✅ Complete Configurable Per service
Availability Schedule ✅ Complete Weekly recurring Time slots
Block Time Slots ✅ Complete Manual blocking Vacation, breaks
Provider Search ✅ Complete Multi-criteria Specialty, language, price
Provider Filtering ✅ Complete Advanced filters Location, rating, insurance
Featured Providers ✅ Complete Admin selection Homepage display
Profile Status ✅ Complete Pending, Approved, Rejected Admin workflow
Online/Offline Status ✅ Complete Real-time status Manual toggle
Profile Views Analytics ⚠️ Limited Basic count No detailed analytics

Dependencies:
- File storage (FTP/Azure Blob)
- Image processing (thumbnail generation)
- Scheduling database

Issues:
- No automatic license verification
- Limited analytics for providers
- No verification badge system


3. Appointment & Booking System

Feature Status Implementation Notes
Search Available Slots ✅ Complete Date range query From scheduling DB
View Provider Availability ✅ Complete Weekly view Real-time
Instant Booking ✅ Complete Single slot Payment required
Multiple Session Booking 🔶 Partial Not well tested Bulk booking
Booking Confirmation ✅ Complete Email + SMS + Push Triple notification
Booking Modification ⚠️ Limited Only before 24h Cancellation policy
Appointment Cancellation ✅ Complete Refund support Policy-based
Provider Accept/Reject 🔶 Partial Manual approval Auto-accept available
Appointment Reminders ✅ Complete 24h, 1h before Configurable
Appointment History ✅ Complete Past appointments Client & provider
Upcoming Appointments ✅ Complete Dashboard view Next 7 days
No-Show Tracking ✅ Complete Status update Affects client rating
Reschedule ⚠️ Limited Cancel + rebook No direct reschedule
Waitlist ❌ Missing Not implemented Feature gap
Recurring Appointments ❌ Missing Not implemented Feature gap
Group Sessions 🔶 Partial GroupSessionController Limited functionality

Dependencies:
- Scheduling database (separate)
- Payment processing
- Notification service
- Calendar integration (external)

Issues:
- No direct reschedule (must cancel and rebook)
- No waitlist for full slots
- Recurring appointments not supported
- No calendar integration (Google Calendar, Outlook)


4. Payment Processing

Feature Status Implementation Notes
Credit Card Payment ✅ Complete SmartRouting gateway Saudi payment processor
Payment Tokenization 🔶 Partial Gateway handles No card storage
Wallet Top-up ✅ Complete Multiple methods Credit card, bank transfer
Wallet Payment ✅ Complete Deduct from balance Instant
Promotion Code Validation ✅ Complete Fixed & percentage Usage limits
Promotion Code Application ✅ Complete Auto-apply at checkout Single code per order
Refund Processing ✅ Complete Full/partial Policy-based
Refund to Wallet ✅ Complete Instant credit Alternative to card refund
Payment History ✅ Complete Transaction log Client & provider
Invoice Generation ✅ Complete PDF format Email delivery
Receipt Generation ✅ Complete PDF format Download/email
Payment Status Inquiry ✅ Complete Gateway callback Async verification
Failed Payment Retry ⚠️ Limited Manual only No auto-retry
Payment Webhooks 🔶 Partial Gateway callbacks Basic implementation
Installment Payments ❌ Missing Not implemented Feature gap
Insurance Claims ❌ Missing Not implemented Feature gap
Tax Calculation ⚠️ Limited Hardcoded rates No geo-specific
Currency Support 🔶 Partial Multiple currencies Limited conversion

Provider Earnings

Feature Status Implementation Notes
Earnings Dashboard ✅ Complete Revenue metrics Period-based
Revenue by Period ✅ Complete Daily, weekly, monthly Chart data
Platform Fee Calculation ✅ Complete Percentage-based Configurable
Payout Requests ✅ Complete Manual request Minimum threshold
Payout Approval ✅ Complete Admin workflow Manual approval
Payout History ✅ Complete Transaction log Status tracking
Earning Breakdown ✅ Complete By service type Analytics
Tax Documents ❌ Missing Not implemented 1099 generation needed

Session Packages

Feature Status Implementation Notes
Package Creation ✅ Complete Provider-defined Sessions + price
Package Purchase ✅ Complete Bulk discount Payment required
Package Redemption ✅ Complete Use credits Tracked per session
Package Expiry 🔶 Partial Date-based No auto-refund
Package Gifting ❌ Missing Not implemented Feature gap

Dependencies:
- SmartRouting payment gateway
- Merchant certificate (P12)
- WindowsService (payment inquiry)
- Email service (receipts)

Issues:
- No installment payment support
- No insurance integration
- Tax calculation not geo-aware
- Manual payout approval (slow for providers)
- No cryptocurrency support


5. Communication Features

5.1 Chat Messaging

Feature Status Implementation Notes
Send Text Messages ✅ Complete Real-time FCM push notification
Send Image Messages ✅ Complete Upload + URL 25MB limit
Send Document Messages ✅ Complete PDF, DOC support 25MB limit
Send Voice Messages ✅ Complete Audio recording MP3, M4A
Message Delivery Status 🔶 Partial Read receipts Basic implementation
Typing Indicators 🔶 Partial WebSocket-based Via NodeServer
Conversation List ✅ Complete Last message preview Unread count
Message History ✅ Complete Paginated Infinite scroll
Search Messages ❌ Missing Not implemented Feature gap
Delete Messages 🔶 Partial Self-delete only 24h limit
Edit Messages ❌ Missing Not implemented Feature gap
Message Reactions ❌ Missing Not implemented Feature gap
Block User ✅ Complete Prevent messaging Admin review
Report Message ✅ Complete Flag inappropriate Admin moderation
Message Attachments ✅ Complete Images, files, voice Multiple formats
Group Chat ❌ Missing Not implemented Feature gap
Video Messages ❌ Missing Not implemented Feature gap
Message Encryption ❌ Missing Not implemented Privacy concern

Dependencies:
- FCM (push notifications)
- File storage (media messages)
- NodeServer (real-time features)

Issues:
- No end-to-end encryption
- No message search
- No group chat support
- Limited message editing/deletion
- No video messages

5.2 Push Notifications

Feature Status Implementation Notes
System Notifications ✅ Complete Booking, status Auto-generated
Custom Notifications ✅ Complete Admin-sent Manual/scheduled
Bulk Notifications ✅ Complete User segments Filtered sending
Notification History ✅ Complete User inbox Paginated
Mark as Read/Unread ✅ Complete Status update Badge count
Delete Notifications ✅ Complete User action Soft delete
Notification Preferences ✅ Complete Per type Enable/disable
Quiet Hours ✅ Complete Time-based No notifications
Topic Subscriptions ✅ Complete FCM topics Group messaging
Notification Channels ✅ Complete Email, SMS, Push Multi-channel
Notification Templates ⚠️ Limited Hardcoded Not configurable
Rich Notifications 🔶 Partial Images Limited formatting
Action Buttons ⚠️ Limited Basic support Platform-specific
Notification Analytics ❌ Missing Not implemented No delivery tracking

Dependencies:
- Firebase Cloud Messaging
- Email service
- SMS service

Issues:
- Templates not configurable (hardcoded)
- No delivery analytics
- No A/B testing for notifications


6. Video Consultation (Integration)

Feature Status Implementation Notes
Create Meeting Room ✅ Complete VideoSDK API Room ID generation
Get Meeting Details ✅ Complete Room info Participants, status
Join Meeting 🔶 Partial Mobile app handles Backend creates room
End Meeting 🔶 Partial Mobile app handles No backend control
Recording Management ✅ Complete Start/stop via API VideoSDK storage
Get Recordings ✅ Complete List recordings Download URLs
Delete Recording ✅ Complete GDPR compliance Permanent deletion
Meeting Analytics ❌ Missing Not implemented Duration, quality metrics
Screen Sharing Control ❌ Missing Client-side only No backend
Waiting Room ❌ Missing Not implemented Feature gap
Meeting Passwords ❌ Missing Not implemented Security gap

Dependencies:
- VideoSDK (third-party service)
- NodeServer (WebRTC signaling)
- Client apps (actual video call handling)

Issues:
- No waiting room feature
- No meeting passwords (security)
- Limited backend control
- No meeting analytics


7. Electronic Prescriptions

Feature Status Implementation Notes
Medicine Database Search ✅ Complete Searchable catalog Generic & brand names
Diagnosis Code Search ✅ Complete ICD-10/DSM-5 Searchable
Create Prescription ✅ Complete Multi-medication PDF generation
Edit Prescription 🔶 Partial 24h limit Version control
Cancel Prescription ✅ Complete Provider action Reason required
Prescription History ✅ Complete Client & provider All prescriptions
Drug Interaction Check ✅ Complete API-based Warning system
Allergy Check ✅ Complete Client profile Alert on conflict
E-Prescription PDF ✅ Complete iTextSharp Downloadable
Send to Pharmacy 🔶 Partial Email/fax Manual process
Digital Signature ⚠️ Limited QR code Not legally binding
Prescription Verification 🔶 Partial QR code scan Basic
Refill Management ❌ Missing Not implemented Feature gap
Prescription Reminders ❌ Missing Not implemented Feature gap
Medication Adherence ❌ Missing Not implemented Feature gap

Dependencies:
- Medicine database
- iTextSharp (PDF generation)
- QR code generator
- Email service

Issues:
- No refill management
- Digital signature not legally binding
- No medication adherence tracking
- Pharmacy integration limited


8. Therapeutic Tools

8.1 Homework Assignments

Feature Status Implementation Notes
Create Assignment ✅ Complete Provider action Text + attachments
Edit Assignment ✅ Complete Before submission Full editing
Delete Assignment ✅ Complete Provider action Soft delete
Assign to Client ✅ Complete One-to-one Due date setting
Submit Homework ✅ Complete Client action Text + files
Resubmit Homework 🔶 Partial After feedback Limited revisions
Provider Feedback ✅ Complete Text + score Grading system
Homework History ✅ Complete All assignments Status tracking
Homework Templates ✅ Complete Reusable CBT worksheets
Completion Statistics ✅ Complete Client & provider Analytics
Overdue Reminders ⚠️ Limited Basic notification Not automated
Homework Library 🔶 Partial Template list Limited categories

Dependencies:
- File storage (attachments)
- Notification service

Issues:
- No automated reminders for overdue homework
- Limited template library
- No collaborative editing

8.2 Client Diary & Mood Tracking

Feature Status Implementation Notes
Create Diary Entry ✅ Complete Daily entries Mood, activities, notes
Edit Diary Entry ✅ Complete Same-day only Update existing
View Diary Entries ✅ Complete Calendar view Date range filter
Mood Chart ✅ Complete Trend visualization Time series data
Activity Tracking ✅ Complete Tags/categories Predefined + custom
Sleep Tracking 🔶 Partial Manual entry No device integration
Medication Logging 🔶 Partial Manual entry From prescriptions
Trigger Identification ❌ Missing Not implemented AI opportunity
Diary Sharing 🔶 Partial Provider access Privacy settings
Export Diary ❌ Missing Not implemented PDF/CSV export
Diary Analytics ⚠️ Limited Basic charts No insights
Reminder to Log ⚠️ Limited Basic notification Not smart

Dependencies:
- Database storage
- Chart generation

Issues:
- No device integration (wearables)
- No AI-driven insights
- No export functionality
- Limited analytics

8.3 Screening Questionnaires

Feature Status Implementation Notes
Get Questionnaires ✅ Complete Multiple types PHQ-9, GAD-7, etc.
Submit Answers ✅ Complete Score calculation Risk assessment
View Results ✅ Complete Scores + interpretation Provider recommendations
Screening History ✅ Complete Track progress Over time
Multiple Assessments ✅ Complete Depression, anxiety Various tools
Auto-Scoring ✅ Complete Algorithm-based Immediate results
Provider Recommendations ✅ Complete Based on scores Severity-based
Re-screening Reminders ❌ Missing Not implemented Feature gap
Export Results ❌ Missing Not implemented PDF export

Dependencies:
- Questionnaire database
- Scoring algorithms

Issues:
- No re-screening reminders
- Limited questionnaire types
- No export functionality


9. Administrative Features

Feature Status Implementation Notes
Provider Profile Review ✅ Complete Manual approval Admin dashboard
Approve Provider ✅ Complete Status change Email notification
Reject Provider ✅ Complete Reason required Email notification
Suspend User ✅ Complete Account lock Temporary/permanent
Unsuspend User ✅ Complete Reactivate account Notification sent
Delete User (GDPR) 🔶 Partial Data anonymization 30-day retention
Search Users ✅ Complete Multi-criteria Advanced filters
View User Details ✅ Complete Complete profile Admin view
Content Moderation ✅ Complete Review reports Flag/remove
Financial Management ✅ Complete Payout approval Manual process
View Transactions ✅ Complete Transaction log All payments
Process Refunds ✅ Complete Manual refund Admin override
Dashboard Analytics ✅ Complete Key metrics Real-time
User Growth Report ✅ Complete Registration trends Charts
Revenue Report ✅ Complete Financial summary Period-based
Generate Custom Reports ✅ Complete PDF/Excel Configurable
System Settings ✅ Complete Configuration Platform fees, policies
Promotion Code Management ✅ Complete CRUD operations Usage tracking
Announcement System ❌ Missing Not implemented Feature gap
Feature Flags ❌ Missing Not implemented No A/B testing
Audit Logs ⚠️ Limited Basic logging Not comprehensive

Dependencies:
- Reporting engine
- Excel/PDF generation
- Email service

Issues:
- Manual processes (payout approval, refunds)
- No audit trail for all actions
- No feature flag system
- No announcement/broadcast system


10. Content Management

Feature Status Implementation Notes
Create Blog Post ✅ Complete Rich text editor Draft/publish
Edit Blog Post ✅ Complete Version control Revision history
Delete Blog Post ✅ Complete Soft delete Archive
Publish/Unpublish ✅ Complete Status toggle Scheduled publishing
Category Management ✅ Complete Hierarchical Multiple categories
Tag Management ✅ Complete Tagging system Search optimization
SEO Settings ✅ Complete Meta tags Per page
Page Management ✅ Complete Static pages About, Terms, Privacy
Media Library 🔶 Partial File upload Limited organization
Content Scheduling ⚠️ Limited Basic No advanced scheduling
Multi-language Content ❌ Missing Not implemented Feature gap
Content Analytics ❌ Missing Not implemented No page views

Dependencies:
- File storage
- SEO tools

Issues:
- No multi-language support
- Limited media library organization
- No content analytics (page views, engagement)


11. Catalogue & Master Data

Feature Status Implementation Notes
Countries List ✅ Complete Predefined API endpoint
Cities List ✅ Complete By country Filterable
Specializations List ✅ Complete Medical specialties Provider categories
Sub-Specializations ✅ Complete Nested categories Hierarchical
Languages List ✅ Complete Supported languages Multi-language
Time Zones ✅ Complete Global time zones UTC offsets
Service Categories ✅ Complete Therapy types Predefined
Insurance Providers ⚠️ Limited Manual list Not comprehensive
Education Types ✅ Complete Degrees Doctorate, Masters, etc.
Currency List ✅ Complete Supported currencies Exchange rates not included

Dependencies:
- Master data database tables
- Periodic updates

Issues:
- No automatic currency conversion
- Insurance provider list not comprehensive
- Static data (no admin CRUD for some)


12. Referral System

Feature Status Implementation Notes
Create Referral ✅ Complete Provider-to-provider Client consent required
Accept Referral ✅ Complete Receiving provider Notification sent
Decline Referral ✅ Complete Reason optional Notification sent
Referral History ✅ Complete Sent & received Status tracking
Referral Notes ✅ Complete Transfer information Private to providers
Client Notification ✅ Complete Inform client Transparency
Referral Analytics ❌ Missing Not implemented Feature gap
Referral Network ❌ Missing Not implemented No provider connections

Dependencies:
- Notification service
- Provider network

Issues:
- No referral analytics
- No provider network visualization
- Limited collaboration features


13. Group Sessions

Feature Status Implementation Notes
Create Group Session 🔶 Partial Basic implementation Controller exists
Enroll Clients 🔶 Partial Manual enrollment Limited automation
Session Capacity 🔶 Partial Max participants Not well tested
Group Chat ❌ Missing Not implemented Feature gap
Group Video Call ❌ Missing Not implemented VideoSDK limitation
Session Materials ❌ Missing Not implemented No shared resources
Group Analytics ❌ Missing Not implemented No metrics

Dependencies:
- Video conferencing (multi-party)
- Chat system
- Scheduling

Issues:
- Incomplete implementation
- No multi-party video support
- No group chat
- Limited testing


14. Conference & Events

Feature Status Implementation Notes
Create Event ✅ Complete Professional events CME credits
Edit Event ✅ Complete Before start date Full editing
Event Registration ✅ Complete Provider enrollment Capacity limits
Event Cancellation ✅ Complete Refund support Email notification
Event Reminders ✅ Complete Before event Automated
Event Materials 🔶 Partial File attachments Limited organization
Certificate Generation ❌ Missing Not implemented CME certificates
Event Analytics ❌ Missing Not implemented Attendance tracking

Dependencies:
- Email service
- File storage
- Payment processing (if paid events)

Issues:
- No certificate generation
- No attendance tracking
- No event analytics


Feature Dependencies

Database Dependencies

PsyterDatabase (Main)

Used by:
- User management
- Service provider profiles
- Messaging
- Notifications
- Prescriptions
- Homework
- Client diary
- Admin functions
- Content management
- Catalogue data
- Referral system

SchedulingDatabase (Separate)

Used by:
- Appointment booking
- Provider availability
- Time slot management
- Schedule blocking

⚠️ Concern: Two separate databases can lead to:
- Data consistency issues
- Distributed transaction complexity
- Difficult to maintain referential integrity

External Service Dependencies

1. Firebase Cloud Messaging

Used by:
- Push notifications (all types)
- Topic-based messaging
- Device token management

Critical: Yes - Core communication feature

2. VideoSDK

Used by:
- Video call room creation
- Recording management
- Meeting details

Critical: Yes - Core consultation feature

3. SmartRouting Payment Gateway

Used by:
- Credit card processing
- Payment verification
- Refund processing

Critical: Yes - Revenue-critical

4. SMS Gateway

Used by:
- OTP delivery
- Appointment reminders
- Notifications (if SMS enabled)

Critical: Yes - Authentication depends on it

5. SMTP Server

Used by:
- Email notifications
- Verification emails
- Password reset
- Receipts/invoices

Critical: Yes - Multiple features depend on it

6. File Storage (FTP/Azure Blob)

Used by:
- Profile pictures
- Document uploads
- Chat attachments
- Prescription PDFs

Critical: Yes - Many features require file storage


Feature Completeness Analysis

Fully Complete Features (90-100%)

User Authentication - OAuth 2.0, social login, password management
Provider Profiles - Comprehensive profile management
Payment Processing - Multiple payment methods, refunds
Messaging - Real-time chat with media support
Prescriptions - E-prescription with safety checks
Homework - Assignment system with feedback
Admin Dashboard - Provider approval, analytics
Catalogue - Master data management

Partially Complete Features (50-89%)

🔶 Appointment Booking - Works but missing waitlist, recurring
🔶 Notifications - Good coverage but templates hardcoded
🔶 Client Diary - Basic functionality, needs enhancement
🔶 Video Integration - Backend support only, limited control
🔶 Content Management - Basic CMS, needs multi-language
🔶 Group Sessions - Skeleton implementation

Incomplete/Missing Features (<50%)

Two-Factor Authentication - Not implemented (security gap)
Message Search - Not available
End-to-End Encryption - Privacy concern
Installment Payments - Not supported
Insurance Claims - Not integrated
Recurring Appointments - Not available
Wearable Device Integration - No support
AI-Driven Insights - Not implemented
Multi-language Content - Not supported
Calendar Integration - No Google/Outlook sync


Technical Debt & Limitations

Known Limitations

1. Authentication

  • MD5 Password Hashing - Deprecated, insecure
  • No 2FA - Security vulnerability
  • ROPC OAuth Flow - Not recommended for mobile apps
  • 30-Day Token Expiration - Too long for sensitive data

2. Database Architecture

  • Two Separate Databases - Consistency challenges
  • No Transaction Management - Between databases
  • Stored Procedure Dependency - Hard to version control
  • No Caching Layer - Performance impact

3. API Design

  • No API Versioning - Breaking changes risk
  • Inconsistent Naming - RPC vs REST mixed
  • Large Controllers - Some >2000 LOC
  • No Rate Limiting - DDoS vulnerability

4. File Handling

  • 100MB Upload Limit - May be too large/small depending on use
  • No Chunked Upload - Memory intensive
  • No CDN Integration - Slow global access
  • Limited File Types - Some formats not supported

5. Real-Time Features

  • Polling-Based Updates - Inefficient
  • No WebSocket in API - Relies on NodeServer
  • Limited Presence - Basic online/offline only

6. Testing

  • No Unit Tests - Quality risk
  • No Integration Tests - Regression risk
  • No API Tests - Manual testing only
  • No Load Tests - Unknown scalability limits

7. Monitoring

  • Basic Logging - No structured logging
  • No APM - No performance monitoring
  • No Alerting - Issues discovered reactively
  • Limited Error Tracking - Basic log files only

Feature Gaps by Priority

HIGH Priority (Business Impact)

  1. Two-Factor Authentication - Security requirement
  2. Recurring Appointments - User convenience
  3. Calendar Integration - Google/Outlook sync
  4. Installment Payments - Revenue opportunity
  5. Insurance Claims - Market expansion
  6. API Versioning - Stability for clients
  7. Rate Limiting - Security/stability
  8. Automated Testing - Quality assurance

MEDIUM Priority (Enhancement)

  1. Message Search - User convenience
  2. End-to-End Encryption - Privacy enhancement
  3. Wearable Integration - Health data
  4. AI Insights - Value-added feature
  5. Multi-language Content - Global reach
  6. Prescription Refills - User convenience
  7. Meeting Analytics - Quality monitoring
  8. Audit Logging - Compliance

LOW Priority (Nice to Have)

  1. Message Reactions - Engagement
  2. Video Messages - Communication option
  3. Group Chat - Collaboration
  4. Certificate Generation - Events feature
  5. Prescription Gifting - Edge case
  6. Content Analytics - Marketing insight

Recommendations

Immediate Actions (0-3 Months)

  1. Security Fixes
    - Implement 2FA for all account types
    - Migrate from MD5 to PBKDF2/bcrypt password hashing
    - Add rate limiting middleware
    - Implement API key authentication for mobile apps

  2. API Stability
    - Implement API versioning (/v1/, /v2/)
    - Add input validation attributes to all DTOs
    - Standardize error responses
    - Document all endpoints with Swagger

  3. Testing Infrastructure
    - Create unit test project
    - Write tests for critical paths (auth, payment, booking)
    - Add integration tests
    - Setup CI/CD with automated testing

Short-term (3-6 Months)

  1. Feature Completion
    - Implement recurring appointments
    - Add prescription refill management
    - Implement message search
    - Add calendar integration (Google, Outlook)

  2. Performance
    - Implement Redis caching layer
    - Optimize database queries
    - Add response compression
    - Implement background job processing (Hangfire)

  3. Monitoring
    - Integrate Application Insights
    - Add structured logging (Serilog)
    - Setup alerts for critical errors
    - Implement health check endpoints

Medium-term (6-12 Months)

  1. Framework Upgrade
    - Plan migration to .NET 8
    - Migrate to Entity Framework Core
    - Implement dependency injection properly
    - Modernize authentication (IdentityServer)

  2. Architecture
    - Consolidate databases or implement distributed transactions
    - Extract service layer from controllers
    - Implement CQRS pattern for complex domains
    - Add message queue (Azure Service Bus)

  3. Advanced Features
    - AI-driven insights for client data
    - Wearable device integration
    - Insurance claims processing
    - Installment payment support

Long-term (12+ Months)

  1. Microservices
    - Split into domain services
    - Implement API Gateway
    - Setup service mesh
    - Container orchestration (Kubernetes)

  2. Global Scale
    - Multi-region deployment
    - CDN integration
    - Currency conversion service
    - Multi-language CMS

  3. Innovation
    - Machine learning for provider matching
    - Predictive analytics for client outcomes
    - Voice-based interaction
    - AR/VR therapy sessions


Summary

The Psyter API provides comprehensive functionality for a mental health telemedicine platform. While core features are well-implemented, there are significant opportunities for improvement in security, testing, performance, and advanced features.

Overall Completeness: 75%

Strengths:
- ✅ Comprehensive user management
- ✅ Robust payment processing
- ✅ Complete booking system
- ✅ Good administrative tools

Gaps:
- ❌ Security vulnerabilities (MD5, no 2FA)
- ❌ No automated testing
- ❌ Missing advanced features (recurring appointments, insurance)
- ❌ Performance optimization needed

Priority Focus:
1. Security hardening
2. Automated testing
3. API versioning and stability
4. Feature completion (recurring appointments, 2FA)
5. Performance optimization


Document Version: 1.0
Last Updated: November 7, 2025
Next Review: February 2026