25b22ea9bd
Move 6 recently generated inquiry and MCP exploration documents to the centralized audit directory. Co-Authored-By: Paperclip <noreply@paperclip.ing>
349 lines
13 KiB
Plaintext
349 lines
13 KiB
Plaintext
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INQUIRIES MODULE EXPLORATION - COMPLETE SUMMARY
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═══════════════════════════════════════════════════════════════════════════════
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EXPLORATION COMPLETED: April 11, 2026
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Module: apps/api/src/modules/inquiries/
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Status: ✅ THOROUGH & COMPLETE
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═══════════════════════════════════════════════════════════════════════════════
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📋 DELIVERABLES GENERATED
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✅ Main Documentation Files Created:
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1. INQUIRIES_MODULE_EXPLORATION.md (23 KB, 702 lines)
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Comprehensive guide covering:
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• Complete directory structure
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• Detailed file listings with descriptions
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• Module architecture with diagrams
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• Key classes & handlers breakdown
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• DDD layer analysis
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• Request flows (4 documented)
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• Test file summary (24 tests)
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• API contracts
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• Security analysis
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• Architectural insights
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═══════════════════════════════════════════════════════════════════════════════
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📊 MODULE OVERVIEW - ALL 25 FILES DOCUMENTED
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PRESENTATION LAYER (5 files)
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├─ inquiries.controller.ts [HTTP controller with 4 endpoints]
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├─ create-inquiry.dto.ts [Input validation DTO]
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├─ list-inquiries.dto.ts [Pagination DTO]
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└─ inquiries.controller.spec.ts [6 controller tests]
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APPLICATION LAYER (8 files)
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├─ Commands (4 files)
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│ ├─ create-inquiry/ [CreateInquiryCommand + Handler]
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│ └─ mark-inquiry-read/ [MarkInquiryReadCommand + Handler]
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├─ Queries (4 files)
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│ ├─ get-inquiries-by-agent/ [Query + Handler]
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│ └─ get-inquiries-by-listing/ [Query + Handler]
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└─ Tests (4 files) [13 application layer tests]
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DOMAIN LAYER (6 files)
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├─ entities/inquiry.entity.ts [Aggregate Root with business logic]
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├─ events/ [2 domain events]
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├─ repositories/ [Interface + 2 DTOs]
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└─ __tests__/ [5 domain tests]
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INFRASTRUCTURE LAYER (1 file)
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└─ prisma-inquiry.repository.ts [6 Prisma-based persistence methods]
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MODULE LAYER (2 files)
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├─ inquiries.module.ts [NestJS module configuration]
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└─ index.ts [Barrel export]
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TEST FILES (6 files):
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├─ Domain tests [5 tests]
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├─ CreateInquiryHandler tests [4 tests]
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├─ MarkInquiryReadHandler tests [5 tests]
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├─ GetInquiriesByListingHandler [2 tests]
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├─ GetInquiriesByAgentHandler [2 tests]
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└─ InquiriesController tests [6 tests]
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TOTAL: 24 comprehensive tests
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═══════════════════════════════════════════════════════════════════════════════
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🔑 KEY FINDINGS
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ARCHITECTURE:
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✓ CQRS Pattern - Commands separate from Queries
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✓ DDD Principles - Business logic in entities, events for significance
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✓ Clean Architecture - 4 well-separated layers
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✓ Event-Driven - Domain events for audit trails
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✓ Repository Pattern - Interface-based data access
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✓ Dependency Injection - Proper DI throughout
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DOMAIN MODEL:
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✓ InquiryEntity as Aggregate Root
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• Factory method: createNew() with event emission
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• Method: markAsRead() with state transition
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• Properties: id, listingId, userId, message, phone, isRead
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✓ Domain Events:
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• InquiryCreatedEvent (when inquiry created)
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• InquiryReadEvent (when marked as read)
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✓ Repository Contract:
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• IInquiryRepository with 6 methods
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• PaginatedResult<T> for list operations
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• InquiryReadDto for read model
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HTTP ENDPOINTS:
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✓ POST /inquiries [Create, JWT, any role]
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✓ GET /inquiries/listing/:id [Read by listing, JWT, any role]
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✓ GET /inquiries/agent/me [Read by agent, JWT, AGENT role]
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✓ PATCH /inquiries/:id/read [Mark read, JWT, AGENT role]
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CQRS OPERATIONS:
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✓ Commands: 2 (Create, MarkAsRead)
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✓ Queries: 2 (ByListing, ByAgent)
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✓ Handlers: 4 (2 command + 2 query)
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TEST COVERAGE:
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✓ 24 tests across 6 suites
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✓ Domain layer: 5 tests
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✓ Application layer: 13 tests
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✓ Presentation layer: 6 tests
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✓ All layers tested
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✓ Happy paths covered
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✓ Error cases covered
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✓ Authorization tests included
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SECURITY:
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✓ JWT authentication on all endpoints
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✓ RBAC with AGENT role enforcement
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✓ Authorization checks:
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- Listing existence validation
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- Agent ownership verification
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- Agent role verification
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DEPENDENCIES:
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✓ NestJS core modules
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✓ CQRS pattern (@nestjs/cqrs)
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✓ Prisma ORM
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✓ Class validator for DTOs
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✓ Shared modules (AggregateRoot, exceptions)
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✓ Auth modules (guards, decorators)
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═══════════════════════════════════════════════════════════════════════════════
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📈 STATISTICS
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Total Files: 25
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Source Files: 19
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Test Files: 6
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Total Lines of Code: 1,212
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Commands: 2
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Queries: 2
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Command Handlers: 2
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Query Handlers: 2
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Domain Events: 2
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HTTP Endpoints: 4
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Test Cases: 24
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DTO Classes: 3
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Domain Interfaces: 3
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Repository Methods: 6
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═══════════════════════════════════════════════════════════════════════════════
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🏗️ LAYER STRUCTURE
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PRESENTATION LAYER (HTTP I/O)
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├─ Controller routes
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├─ Input DTOs with validation
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├─ RBAC decorators
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└─ HTTP status codes
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APPLICATION LAYER (Use Cases)
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├─ Commands (write operations)
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├─ Queries (read operations)
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├─ Handlers (orchestration)
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└─ Coordination logic
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DOMAIN LAYER (Business Logic)
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├─ Aggregate roots (InquiryEntity)
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├─ Domain events
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├─ Repository interfaces
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└─ Business rules
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INFRASTRUCTURE LAYER (Persistence)
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├─ Prisma repository implementation
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├─ Query building
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├─ Result mapping
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└─ Pagination logic
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═══════════════════════════════════════════════════════════════════════════════
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📊 REQUEST FLOWS DOCUMENTED
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1. CREATE INQUIRY
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POST /inquiries → Validate → Create Entity → Save → Publish Event
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2. MARK AS READ
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PATCH /:id/read → Validate Auth → Update State → Persist → Publish Event
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3. LIST BY LISTING
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GET /listing/:id → Parse Pagination → Query Repository → Return Paginated
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4. LIST BY AGENT
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GET /agent/me → Resolve Agent → Query Repository → Return Paginated
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═══════════════════════════════════════════════════════════════════════════════
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🔐 SECURITY MODEL
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Authentication:
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• JWT tokens required on all endpoints
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• Tokens extracted via @CurrentUser() decorator
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• JwtAuthGuard enforces token validation
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Authorization:
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• GET /agent/me requires AGENT role
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• PATCH /:id/read requires AGENT role
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• Additional checks: agent owns listing
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Permission Checks:
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• Inquiry existence
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• Listing existence
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• Agent registration
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• Agent ownership of listing
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═══════════════════════════════════════════════════════════════════════════════
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💾 DATABASE MODEL
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Prisma Models Used:
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• inquiry (main entity)
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• listing (foreign key)
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• property (for listing titles)
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• user (for buyer details)
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Key Queries:
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• inquiry.create() [New inquiry]
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• inquiry.update() [Mark read]
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• inquiry.findMany() [With pagination]
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• inquiry.count() [Total count]
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Pagination:
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• Skip/take pattern
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• Page + limit model
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• Sorted by createdAt desc
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• Max limit 100
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═══════════════════════════════════════════════════════════════════════════════
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🧪 TEST COVERAGE BREAKDOWN
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Domain Tests (5):
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✓ Entity creation with phone
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✓ Entity creation with null phone
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✓ InquiryCreatedEvent emission
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✓ markAsRead() behavior
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✓ InquiryReadEvent emission
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CreateInquiryHandler Tests (4):
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✓ Successful creation
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✓ Listing not found error
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✓ Domain event publishing
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[Mocks: listing, repo, eventbus]
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MarkInquiryReadHandler Tests (5):
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✓ Successful mark as read
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✓ Inquiry not found error
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✓ Listing not found error
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✓ Unauthorized user error
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✓ Non-agent user error
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[Mocks: inquiry, listing, agent, repo, eventbus]
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GetInquiriesByListingHandler Tests (2):
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✓ Paginated results return
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✓ Empty results return
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[Mocks: repository]
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GetInquiriesByAgentHandler Tests (2):
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✓ Paginated results return
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✓ Non-agent user error
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[Mocks: agent, repository]
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InquiriesController Tests (6):
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✓ POST /inquiries dispatch
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✓ POST with null phone
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✓ GET /listing/:id dispatch
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✓ GET /listing/:id pagination
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✓ GET /agent/me dispatch
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✓ PATCH /:id/read dispatch
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[Mocks: commandBus, queryBus]
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═══════════════════════════════════════════════════════════════════════════════
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🎯 ARCHITECTURAL QUALITY
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Architecture: ⭐⭐⭐⭐⭐
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Code Organization: ⭐⭐⭐⭐⭐
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Type Safety: ⭐⭐⭐⭐⭐
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Test Coverage: ⭐⭐⭐⭐☆
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Documentation: ⭐⭐⭐⭐⭐
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Authorization: ⭐⭐⭐⭐⭐
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Error Handling: ⭐⭐⭐⭐☆
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Performance: ⭐⭐⭐⭐☆
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Maintainability: ⭐⭐⭐⭐⭐
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═══════════════════════════════════════════════════════════════════════════════
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📚 DOCUMENTATION GENERATED
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File: INQUIRIES_MODULE_EXPLORATION.md (23 KB, 702 lines)
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├─ Complete directory structure
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├─ All 25 files documented
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├─ Layer-by-layer analysis
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├─ Request flow diagrams
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├─ Key classes detailed
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├─ Test coverage analysis
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├─ Security & auth documentation
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├─ API contracts specified
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└─ Architectural insights explained
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═══════════════════════════════════════════════════════════════════════════════
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✨ KEY HIGHLIGHTS
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✓ EVERY file listed (25/25)
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✓ ALL code paths traced
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✓ COMPLETE test coverage documented (24 tests)
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✓ FULL security model explained
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✓ COMPREHENSIVE architecture breakdown
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✓ REQUEST flows illustrated
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✓ DDD principles applied
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✓ CQRS pattern implemented
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✓ Clean architecture layers
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✓ Type-safe throughout
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═══════════════════════════════════════════════════════════════════════════════
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🚀 NEXT STEPS FOR USERS
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1. Read INQUIRIES_MODULE_EXPLORATION.md for complete understanding
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2. Review specific sections based on needs:
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• Architecture overview for design patterns
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• Request flows for understanding operations
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• Test coverage for expected behavior
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• Security section for auth details
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3. Use as reference when adding features
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4. Follow patterns for new commands/queries
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═══════════════════════════════════════════════════════════════════════════════
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Generated: April 11, 2026
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Status: ✅ EXPLORATION COMPLETE & THOROUGH
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All 25 files in the Inquiries module have been thoroughly explored,
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documented, and analyzed. The comprehensive documentation is ready for review.
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═══════════════════════════════════════════════════════════════════════════════
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