# IGNY8 Multi-Tenancy Documentation

**Last Updated:** December 9, 2024

## 📚 Documentation Structure

This directory contains comprehensive documentation for the IGNY8 multi-tenancy system. All scattered documentation has been consolidated into organized, maintainable files.

### Core Documentation Files

#### 1. **TENANCY-CHANGE-LOG.md** (334 lines)
Complete changelog of all changes made during the current session and last 2 git commits.

**Contents:**
- Recent Session Changes (Dec 9, 2024)
  - JWT token generation fixes
  - Payment modal amount display fixes
  - Payment approval workflow automation
  - Site creation permission fixes
- Git Commit History
  - Commit 4d13a570: Payment methods restructuring
  - Commit 72d0b6b0: Tenancy fixes and improvements

**Use this for:** Understanding what changed, when, and why.

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#### 2. **TENANCY-IMPLEMENTATION-GUIDE.md** (1,584 lines)
Complete technical implementation documentation without code snippets.

**Contents:**
- Section 1: Architecture Overview
- Section 2: Core Data Models (9 models explained)
- Section 3: Authentication System
- Section 4: Payment Processing Workflows
- Section 5: Multi-Currency System
- Section 6: Site & Sector Management
- Section 7: Credit System
- Section 8: Admin Workflows
- Section 9: API Endpoints Summary
- Section 10: Security & Permissions

**Use this for:** Understanding how the system is implemented, business logic, function purposes, and technical architecture.

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#### 3. **TENANCY-DATA-FLOW.md** (1,426 lines)
Visual data flow diagrams for all critical workflows.

**Contents:**
- Flow 1: Free Trial Signup
- Flow 2: Paid Signup
- Flow 3: Payment Confirmation
- Flow 4: Payment Approval (Admin)
- Flow 5: Site Creation
- Flow 6: Sector Selection
- Flow 7: Credit Allocation
- Flow 8: Currency Conversion
- Flow 9: Authentication (Login/Register/Refresh)
- Flow 10: Complete End-to-End User Journey

**Use this for:** Understanding workflow sequences, decision trees, state transitions, and user journeys.

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## 🎯 Quick Navigation

### For New Developers
Start with:
1. **TENANCY-IMPLEMENTATION-GUIDE.md** - Section 1 (Architecture Overview)
2. **TENANCY-DATA-FLOW.md** - Flow 10 (Complete Journey)
3. **TENANCY-IMPLEMENTATION-GUIDE.md** - Section 2 (Core Models)

### For Bug Fixes
Check:
1. **TENANCY-CHANGE-LOG.md** - See recent changes
2. **TENANCY-IMPLEMENTATION-GUIDE.md** - Find relevant section
3. **TENANCY-DATA-FLOW.md** - Understand expected flow

### For Feature Development
Reference:
1. **TENANCY-DATA-FLOW.md** - Understand existing workflows
2. **TENANCY-IMPLEMENTATION-GUIDE.md** - Review related systems
3. **TENANCY-CHANGE-LOG.md** - Check for recent related changes

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## 🔍 Key Concepts Quick Reference

### Account Status States
- `pending_payment` - Paid plan, awaiting payment approval
- `trial` - Free trial active
- `active` - Paid and approved
- `suspended` - Payment issues or policy violation
- `cancelled` - User requested cancellation
- `expired` - Subscription ended

### Subscription Status States
- `incomplete` - Created but payment pending
- `active` - Currently active
- `past_due` - Payment failed
- `cancelled` - User cancelled
- `expired` - Period ended without renewal

### Payment Status States
- `pending_approval` - Manual payment submitted, needs admin review
- `succeeded` - Payment approved and processed
- `failed` - Payment failed or rejected
- `refunded` - Payment refunded to user

### User Roles (Hierarchical)
1. `developer` - Full system access
2. `owner` - Account owner, full account access
3. `admin` - Administrative access
4. `editor` - Can create/edit content
5. `viewer` - Read-only access
6. `system_bot` - Automated processes

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## 🛠️ Common Tasks

### How to Add a New Payment Method
See: **TENANCY-IMPLEMENTATION-GUIDE.md** → Section 4.1 (Payment Methods Configuration)

### How to Change Plan Pricing
See: **TENANCY-IMPLEMENTATION-GUIDE.md** → Section 2.2 (Plan Model)

### How to Add a New Currency
See: **TENANCY-IMPLEMENTATION-GUIDE.md** → Section 5.1 (Currency Configuration)

### How to Approve Manual Payments
See: **TENANCY-DATA-FLOW.md** → Flow 4 (Payment Approval)

### How Credits Work
See: **TENANCY-IMPLEMENTATION-GUIDE.md** → Section 7 (Credit System)

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## 📊 System Metrics

### Database Models
- **9 Core Models** documented
- **15+ Supporting Models** in use
- **Account-based isolation** on all tenant data

### API Endpoints
- **15+ REST endpoints** documented
- **JWT authentication** on all protected routes
- **Multi-currency support** for 8 countries

### Payment Methods
- **15+ payment methods** configured
- **8 countries** supported
- **Manual approval workflow** implemented

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## 🚀 Recent Improvements (Dec 9, 2024)

### 1. Authentication Fixed
**Problem:** Users logged out immediately after signup  
**Solution:** Generate JWT tokens in RegisterView  
**Impact:** Seamless signup-to-login experience

### 2. Payment Modal Fixed
**Problem:** Amount showing PKR 0.00  
**Solution:** API returns both `total` and `total_amount` fields  
**Impact:** Correct amounts displayed to users

### 3. Payment Approval Automated
**Problem:** Admin approval didn't activate accounts  
**Solution:** Enhanced save_model() with full workflow  
**Impact:** One-click approval activates everything

### 4. Site Creation Fixed
**Problem:** Permission errors and domain validation failures  
**Solution:** Fixed permission class instantiation and domain validator  
**Impact:** Users can create sites without errors

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## 📝 Documentation Standards

### Established Patterns
- **No code snippets** - Focus on business logic and function names
- **Chunked sections** - 300-400 lines per section for readability
- **Tables for data** - Structured information in tables
- **Visual flows** - ASCII diagrams for workflows
- **Clear hierarchy** - Numbered sections with clear headings

### Maintenance Guidelines
- **Update TENANCY-CHANGE-LOG.md** after every significant change
- **Update flow diagrams** when workflows change
- **Update implementation guide** when new features added
- **Keep README.md** current with navigation links

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## 🗂️ Archived Documentation

Old documentation files have been removed. Historical reference available in git history:
- `IMPLEMENTATION-PLAN-SIGNUP-TO-PAYMENT-WORKFLOW.md` (Replaced)
- `TENANCY-WORKFLOW-DOCUMENTATION.md` (Replaced)
- `CRITICAL-GAPS-SIGNUP-TO-SITE-WORKFLOW.md` (Addressed in new docs)
- `in-progress/` folder contents (Consolidated)

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## 📧 Questions or Issues?

For questions about:
- **Architecture** → See TENANCY-IMPLEMENTATION-GUIDE.md Section 1
- **Workflows** → See TENANCY-DATA-FLOW.md
- **Recent Changes** → See TENANCY-CHANGE-LOG.md
- **API Usage** → See TENANCY-IMPLEMENTATION-GUIDE.md Section 9

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**Total Documentation:** 3,344 lines across 4 files  
**Coverage:** Complete multi-tenancy system from signup to content generation  
**Maintenance:** Active, updated with every significant change