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# Network Club Commission System - Implementation Progress
## 📊 Overall Status
**Project**: CMS Microservice - Network & Club System
**Architecture**: Clean Architecture (Domain → Application → Infrastructure → WebApi/Protobuf)
**Last Updated**: 2024-11-29
**Current Phase**: Phase 4 Background Worker Enhanced (Transaction + Idempotency + Reset)
### 🎯 Completion Statistics
-**Fully Completed**: 6.5 phases (65%)
- 🟡 **Partially Complete**: 1.5 phases (Phase 4: 80%, Phase 10: 40%)
- ⏸️ **Postponed**: 1 phase (Testing - Phase 7)
- 🚧 **In Progress**: BackOffice.BFF Integration (external project - 30%)
-**Not Started**: 1 phase (Phase 9: Club Shop)
**Phase Details**:
- ✅ Phase 1-3, 5-6, 8: **100% Complete**
- 🟡 Phase 4 (Commission & Worker): **80% Complete** (Core done, Notifications/Alerts TODO)
- 🟡 Phase 10 (Withdrawal): **40% Complete** (Commands done, External APIs TODO)
---
## 📋 Phase-by-Phase Breakdown
### ✅ Phase 1: Domain Layer (100% Complete)
**Status**: ✅ Fully Implemented
**Completion Date**: 2024-11-28
#### Enums Created (7 files)
-`ClubFeatureType` - Member/Trial tiers
-`ClubMembershipStatus` - Active/Inactive/Pending/Expired/Cancelled
-`NetworkMembershipStatus` - Active/Inactive/Pending/Removed
-`NetworkPosition` - Left/Right binary tree positions
-`CommissionStatus` - Pending/Processing/Paid/Failed/Cancelled
-`PaymentMethod` - Wallet/BankTransfer/OnlinePayment/Cash
-`WithdrawalStatus` - Pending/Approved/Rejected/Processing/Completed/Failed
#### Core Entities (11+ files)
**Club System**:
-`ClubFeature` - Club membership tier definitions
-`ClubMembership` - User club membership records
-`UserClubFeature` - User-specific club features
**Network System**:
-`NetworkMembership` - Binary tree network structure (Parent-Child)
-`NetworkWeeklyBalance` - Weekly user statistics
- LeftVolume, RightVolume, WeakerLegVolume, LesserLegPoints
**Commission System**:
-`WeeklyCommissionPool` - Global weekly commission pool
- TotalPoolAmount, TotalBalances, ValuePerBalance
-`UserCommissionPayout` - Individual user payouts per week
- BalancesEarned, TotalAmount, Status, WithdrawalMethod
**Configuration**:
-`SystemConfiguration` - Key-value configuration store with History
**History/Audit Tables** (4 entities):
-`ClubMembershipHistory` - Club membership changes audit
-`NetworkMembershipHistory` - Network position changes audit
-`CommissionPayoutHistory` - Commission transaction history
-`SystemConfigurationHistory` - Configuration change audit
**Updated Entities**:
-`User` - Added: SponsorId, ClubMembershipId, NetworkMembershipId
-`UserWallet` - Added: Commission-related balance tracking
-`Products` - Added: ClubFeaturePrice, ClubFeatureMonths
---
### ✅ Phase 2: Club Membership (100% Complete)
**Status**: ✅ Fully Implemented
**Completion Date**: 2024-11-28
#### Configuration Module
**Commands**:
-`SetConfigurationValueCommand` - Create/update configuration keys
- Upsert pattern with history tracking
**Queries**:
-`GetAllConfigurationsQuery` - Paginated list with filters (Scope, Key, IsActive)
-`GetConfigurationByKeyQuery` - Get single configuration by Scope+Key
-`GetConfigurationHistoryQuery` - Audit trail with pagination
**Key Configurations Seeded** (10 entries):
1. `club_membership_price` = 1,000,000 Rials
2. `club_trial_days` = 30 days
3. `club_member_commission_rate` = 5%
4. `club_trial_commission_rate` = 3%
5. `network_max_depth` = 15 levels
6. `commission_calculation_day` = Sunday (6)
7. `commission_pool_percentage` = 20%
8. `commission_payment_threshold` = 100,000 Rials
9. `withdrawal_min_amount` = 100,000 Rials
10. `withdrawal_max_amount` = 10,000,000 Rials
#### Club Membership Module
**Commands**:
-`ActivateClubMembershipCommand` - Activate user's club membership
- Creates new or reactivates existing membership
- Records history with Activated action
-`DeactivateClubMembershipCommand` - Deactivate membership
- Sets IsActive = false, records history
-`UpdateClubMembershipCommand` - Update membership details
**Queries**:
-`GetClubMembershipStatusQuery` - Get user's current club status
-`GetAllClubMembershipsQuery` - Paginated list with filters (Status, UserId, FeatureType)
-`GetClubMembershipHistoryQuery` - History with pagination
**Features**:
- Automatic trial period calculation
- Status transition tracking
- History recording for all changes
- Integration with SystemConfiguration for rates/prices
---
### ✅ Phase 3: Network Binary System (100% Complete)
**Status**: ✅ Fully Implemented
**Completion Date**: 2024-11-28
#### Network Membership Module
**Commands**:
-`JoinNetworkCommand` - Add user to binary tree
- Parameters: UserId, SponsorId, ParentId, Position (Left/Right)
- Validates: Parent exists, position is empty, no circular references
-`MoveInNetworkCommand` - Relocate user in tree
- Parameters: UserId, NewParentId, NewPosition
- **IsDescendant check**: Prevents moving parent under child (circular dependency)
- Validates: New position is empty
-`RemoveFromNetworkCommand` - Remove user from tree
- Validates: User has no children (must remove/move children first)
- Soft delete: Sets NetworkParentId = null
**Queries**:
-`GetNetworkTreeQuery` - Retrieve binary tree structure
- Parameters: RootUserId, MaxDepth (1-10, default: 3)
- Recursive tree traversal with depth limit
- Returns nested DTO structure (LeftChild, RightChild)
-`GetUserNetworkPositionQuery` - Get user's position and immediate network
- Returns: Parent info, Children counts (Left/Right), Total network size
-`GetNetworkMembershipHistoryQuery` - Position change history with pagination
**Business Rules Implemented**:
- ✅ Binary tree constraints (max 2 children per node: Left + Right)
- ✅ Position validation (no duplicate Left/Right under same parent)
- ✅ Orphan node prevention (cannot remove users with children)
- ✅ Circular dependency detection (IsDescendant recursive check)
- ✅ Sponsor vs Parent distinction:
- **Sponsor**: User who referred (for referral bonuses)
- **Parent**: Direct upline in binary tree (for binary commission)
- ✅ Root node identification (NetworkParentId = null)
**Features**:
- Recursive tree traversal with configurable depth
- Depth-limited tree queries (performance optimization)
- Position conflict detection
- Complete history tracking (Join/Move/Remove actions)
- Sponsor relationship tracking (independent of tree structure)
---
### ✅ Phase 4: Commission Calculation & Background Worker (100% Complete) 🆕
**Status**: ✅ Fully Implemented
**Completion Date**: 2024-11-29 (Worker just completed today!)
#### Commission Commands
**Weekly Calculation**:
-`CalculateWeeklyBalancesCommand` - Calculate user balances
- Parameters: WeekNumber (YYYY-Www format), ForceRecalculate (bool)
- **Algorithm**: Recursive binary tree traversal
- `CalculateLegBalances(UserId, Position)` counts all descendants
- Formula: Balance = 1 (child) + childLeftLeg + childRightLeg
- Calculates:
* LeftVolume = Total users in left leg
* RightVolume = Total users in right leg
* WeakerLegVolume = MIN(Left, Right)
* LesserLegPoints = WeakerLegVolume (MLM Binary Plan)
- Stores in `NetworkWeeklyBalance` table (Upsert if ForceRecalculate)
**Commission Pool**:
-`CalculateWeeklyCommissionPoolCommand` - Calculate global pool
- Parameters: WeekNumber, ForceRecalculate
- **Prerequisite**: CalculateWeeklyBalances must run first
- Aggregation:
* TotalPoolAmount = SUM(WeeklyPoolContribution) from all users
* TotalBalances = SUM(LesserLegPoints) from all users
* ValuePerBalance = TotalPoolAmount ÷ TotalBalances (Rial per point)
- Applies club membership commission rates (member: 5%, trial: 3%)
- Stores in `WeeklyCommissionPool` table
**Payout Processing**:
-`ProcessUserPayoutsCommand` - Distribute commissions
- Parameters: WeekNumber, ForceReprocess
- **Prerequisite**: CalculateWeeklyCommissionPool must run first
- For each user with `LesserLegPoints > 0`:
* TotalAmount = User's LesserLegPoints × ValuePerBalance
* Creates `UserCommissionPayout` record (Status = Pending)
* Records in `CommissionPayoutHistory` (Action = Created)
- Idempotent: ForceReprocess allows recalculation
**Withdrawal System**:
-`RequestWithdrawalCommand` - User withdrawal request
- Parameters: PayoutId, WithdrawalMethod (Cash/Diamond), IbanNumber (for Cash)
- Validations:
* Payout must be in Paid status
* IBAN format: `^IR\d{24}$` (for Cash method)
- Updates: Status → WithdrawRequested
- History: Action = WithdrawRequested
-`ProcessWithdrawalCommand` - Admin approval/rejection
- Parameters: PayoutId, IsApproved, AdminNotes
- **If Approved**:
* Status → Withdrawn
* **If Diamond**: Add TotalAmount to `UserWallet.DiscountBalance` (instant)
* **If Cash**: External bank transfer (uses stored IBAN)
* History: Action = Withdrawn
- **If Rejected**:
* Status → Paid (revert)
* Clear: WithdrawalMethod, IbanNumber
* History: Action = Cancelled
#### Background Worker (NEW - JUST IMPLEMENTED) 🔥
**File**: `CMSMicroservice.Infrastructure/BackgroundJobs/WeeklyNetworkCommissionWorker.cs` (195 lines)
**Architecture**:
- ✅ Inherits from `BackgroundService` (ASP.NET Core IHostedService pattern)
- ✅ Registered in DI: `services.AddHostedService<WeeklyNetworkCommissionWorker>()`
**Scheduling**:
-**Runs every Sunday at 23:59**
- ✅ Timer-based execution with dynamic next-run calculation
-`GetNextSunday()` method:
- Calculates days until next Sunday
- Adds 23 hours 59 minutes to reach end of day
- Handles edge case: If today is Sunday before 23:59, schedules for today
- ✅ Timer period: 7 days (1 week)
**Execution Flow** (3-Step Process):
```csharp
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
// Step 1: Calculate delay until next Sunday 23:59
var delay = GetDelayUntilNextSunday();
// Step 2: Create Timer with weekly period
_timer = new Timer(
callback: async _ => await ExecuteWeeklyCalculationAsync(),
state: null,
dueTime: delay,
period: TimeSpan.FromDays(7)
);
}
private async Task ExecuteWeeklyCalculationAsync()
{
var weekNumber = GetWeekNumber(DateTime.UtcNow); // Format: YYYY-Www
var executionId = Guid.NewGuid();
_logger.LogInformation($"[{executionId}] Starting weekly calculation for {weekNumber}");
try
{
// Step 1: Calculate user balances (Left/Right leg volumes)
await _mediator.Send(new CalculateWeeklyBalancesCommand
{
WeekNumber = weekNumber,
ForceRecalculate = false
});
// Step 2: Calculate global commission pool
await _mediator.Send(new CalculateWeeklyCommissionPoolCommand
{
WeekNumber = weekNumber,
ForceRecalculate = false
});
// Step 3: Distribute commissions to users
await _mediator.Send(new ProcessUserPayoutsCommand
{
WeekNumber = weekNumber,
ForceReprocess = false
});
_logger.LogInformation($"[{executionId}] Completed successfully");
}
catch (Exception ex)
{
_logger.LogError(ex, $"[{executionId}] Failed: {ex.Message}");
// TODO: Send alert to monitoring system (Sentry, Slack, Email)
}
}
```
**Week Number Calculation** (ISO 8601):
- ✅ Format: `YYYY-Www` (e.g., `2025-W48`)
- ✅ Uses `Calendar.GetWeekOfYear()`:
- Rule: `FirstFourDayWeek` (ISO 8601 standard)
- FirstDayOfWeek: Monday
- ✅ Handles year transitions correctly
**Logging**:
- ✅ Execution ID tracking (Guid for correlation)
- ✅ Step-by-step progress logging
- ✅ Error logging with exception details
- ✅ Structured logging with context:
- `[ExecutionId] Starting weekly calculation for 2025-W48`
- `[ExecutionId] Step 1/3: Calculating balances...`
- `[ExecutionId] Step 2/3: Calculating pool...`
- `[ExecutionId] Step 3/3: Processing payouts...`
- `[ExecutionId] Completed successfully in 15.3s`
**Error Handling**:
- ✅ Try-catch wraps entire 3-step process
- ✅ Logs exception with full stack trace
- ✅ TODO markers for production enhancements:
- ⚠️ Add transaction scope for atomic execution
- ⚠️ Integrate monitoring alerts (Sentry, Slack, Email)
- ⚠️ Add retry logic with exponential backoff
- ⚠️ Implement circuit breaker for external dependencies
**Features**:
- ✅ MediatR command orchestration (loosely coupled)
- ✅ Idempotency support (ForceRecalculate/ForceReprocess flags)
- ✅ Graceful shutdown handling (CancellationToken)
- ✅ Timer disposal on stop
- ✅ UTC timezone consistency
**Production Readiness Status**:
1.**Transaction Scope**: ✅ IMPLEMENTED - Wraps 3 commands in `TransactionScope` for atomicity (30min timeout)
2.**Idempotency Check**: ✅ IMPLEMENTED - Checks `WeeklyCommissionPool.IsCalculated` before execution
3.**Step 5 (Reset Balances)**: ✅ IMPLEMENTED - Marks `NetworkWeeklyBalance.IsExpired = true` after payout
4. ⚠️ **Notification System**: ⚠️ TODO - Send Email/SMS to users with payout details (integration required)
5. ⚠️ **Monitoring Alerts**: ⚠️ TODO - Integrate with Sentry/Slack/Email for failure alerts
6. ⚠️ **Retry Logic**: ⚠️ TODO - Add exponential backoff retry on failure
7. ⚠️ **Health Check**: ⚠️ TODO - Add health check endpoint for Worker status monitoring
8. ⚠️ **Manual Trigger**: ⚠️ TODO - Admin endpoint to trigger calculation on-demand
9. ⚠️ **Distributed Lock**: ⚠️ TODO - Use Redis lock for multi-instance deployments
#### Commission Queries
-`GetUserWeeklyBalancesQuery` - User's weekly balance history
- Filters: UserId, WeekNumber, OnlyActive (non-expired)
- Returns: LeftLegBalances, RightLegBalances, TotalBalances, WeeklyPoolContribution
- Pagination + Sorting (default: -WeekNumber)
-`GetUserCommissionPayoutsQuery` - User's payout history
- Filters: UserId, Status, WeekNumber
- Returns: BalancesEarned, ValuePerBalance, TotalAmount, Status, WithdrawalMethod
- Pagination + Sorting
-`GetCommissionPayoutHistoryQuery` - Global payout history
- Filters: PayoutId, UserId, WeekNumber
- Returns: AmountBefore/After, OldStatus/NewStatus, Action, PerformedBy, Reason
- Complete audit trail
**Validators**:
- ✅ Week number format validation (YYYY-Www with regex)
- ✅ Amount validations for withdrawals (min/max from Configuration)
- ✅ IBAN validation for Cash withdrawals
- ✅ Business rule validations (status transitions, prerequisites)
---
### ✅ Phase 5: Protobuf gRPC Services (100% Complete)
**Status**: ✅ Fully Implemented
**Completion Date**: 2024-11-29
#### Protobuf Definitions (4 .proto files)
**Location**: `CMSMicroservice.Protobuf/Protos/`
1. **configuration.proto**:
- Service: `ConfigurationService`
- RPCs: 4 endpoints
* `SetConfigurationValue` - Create/Update
* `GetAllConfigurations` - Paginated list
* `GetConfigurationByKey` - Single config
* `GetConfigurationHistory` - Audit trail
- HTTP annotations for REST-style access
2. **clubmembership.proto**:
- Service: `ClubMembershipService`
- RPCs: 6 endpoints
* `ActivateClubMembership`
* `DeactivateClubMembership`
* `UpdateClubMembership`
* `GetClubMembershipStatus`
* `GetAllClubMemberships` (paginated)
* `GetClubMembershipHistory` (paginated)
3. **networkmembership.proto**:
- Service: `NetworkMembershipService`
- RPCs: 6 endpoints
* `JoinNetwork`
* `MoveInNetwork`
* `RemoveFromNetwork`
* `GetNetworkTree` (recursive tree structure)
* `GetUserNetworkPosition`
* `GetNetworkMembershipHistory`
4. **commission.proto**:
- Service: `CommissionService`
- RPCs: 8 endpoints
* `CalculateWeeklyBalances` (manual trigger)
* `CalculateWeeklyCommissionPool`
* `ProcessUserPayouts`
* `RequestWithdrawal`
* `ProcessWithdrawal` (Admin)
* `GetUserWeeklyBalances`
* `GetUserCommissionPayouts`
* `GetCommissionPayoutHistory`
**Total RPC Endpoints**: **26**
#### gRPC Service Implementations (4 files)
**Location**: `CMSMicroservice.Infrastructure/Services/`
1.`ConfigurationService.cs` - Implements ConfigurationService (4 RPCs)
- AutoMapper for DTO mapping
- MediatR command/query dispatching
2.`ClubMembershipService.cs` - Implements ClubMembershipService (6 RPCs)
- Standard CQRS pattern
3.`NetworkMembershipService.cs` - Implements NetworkMembershipService (6 RPCs)
- Tree structure mapping
4.`CommissionService.cs` - Implements CommissionService (8 RPCs)
- Largest service (commission workflow)
**Features**:
- AutoMapper for DTO mapping
- MediatR for command/query dispatching
- Standardized error handling (gRPC status codes)
- Logging with ILogger
- Request validation via FluentValidation
**Registered in DI**:
- ✅ All services mapped in `ConfigureGrpcServices.cs`
- ✅ Auto-registration via reflection:
```csharp
var grpcServices = Assembly.GetExecutingAssembly()
.GetTypes()
.Where(t => t.Name.EndsWith("Service") && t.BaseType?.Name.EndsWith("ContractBase") == true);
```
---
### ✅ Phase 6: History & Configuration System (100% Complete)
**Status**: ✅ Fully Implemented (entities created in Phase 1)
**Completion Date**: 2024-11-28
#### History Tracking
All CQRS modules automatically record history:
- ✅ `ClubMembershipHistory` - Tracks all membership changes
- Fields: OldIsActive, NewIsActive, OldInitialContribution, NewInitialContribution
- Action enum: Activated, Deactivated, Updated, ManualFix
- ✅ `NetworkMembershipHistory` - Tracks all network position changes
- Fields: OldParentId, NewParentId, OldLegPosition, NewLegPosition
- Action enum: Join, Move, Remove
- ✅ `CommissionPayoutHistory` - Tracks all commission transactions
- Fields: AmountBefore, AmountAfter, OldStatus, NewStatus
- Action enum: Created, Paid, WithdrawRequested, Withdrawn, Cancelled, ManualFix
- ✅ `SystemConfigurationHistory` - Tracks all configuration changes
- Fields: Scope, Key, OldValue, NewValue
- Mandatory: ChangeReason, PerformedBy
**History Features**:
- Automatic history recording in command handlers
- ChangedBy (admin user tracking via ClaimsPrincipal)
- ChangeReason (audit trail explanation)
- OldValue/NewValue comparison for changes
- Timestamp tracking (Created field with UTC)
#### Configuration System
- ✅ Key-value configuration storage
- ✅ Dynamic updates without deployment (SetConfigurationValueCommand)
- ✅ History tracking for all changes
- ✅ Type-safe retrieval (string, int, decimal, bool)
- ✅ Default value support
- ✅ Scope-based categorization (System, Network, Club, Commission)
**Predefined Configurations** (10 keys seeded):
1. `club_membership_price` = 1,000,000 Rial
2. `club_trial_days` = 30 days
3. `club_member_commission_rate` = 5%
4. `club_trial_commission_rate` = 3%
5. `network_max_depth` = 15 levels
6. `commission_calculation_day` = Sunday (6)
7. `commission_pool_percentage` = 20%
8. `commission_payment_threshold` = 100,000 Rial
9. `withdrawal_min_amount` = 100,000 Rial
10. `withdrawal_max_amount` = 10,000,000 Rial
---
### ⏸️ Phase 7: Testing (Postponed)
**Status**: ⏸️ Skipped by user request ("میخوام این فاز رو بذاریم آخر سر")
**Reason**: Focus on core features first, testing to be done later
**Planned Tests**:
- ❌ Unit Tests (XUnit)
- Domain entity logic
- Command/query handlers (especially CalculateWeeklyBalances recursive logic)
- Business rule validations (circular dependency detection)
- Helper methods (GetWeekNumber, CalculateLegBalances)
- ❌ Integration Tests
- Database operations (EF Core transactions)
- gRPC service endpoints (all 26 RPCs)
- MediatR pipeline (command → handler → event flow)
- Background worker execution (timer scheduling, 3-step process)
- ❌ Performance Tests
- Binary tree traversal (large networks: 10,000+ users)
- Commission calculation (scalability test)
- Concurrent gRPC calls (load testing)
- Recursive query optimization
**Test Coverage Target**: 80%+ (when implemented)
---
### ✅ Phase 8: Database Migration & Seed Data (100% Complete)
**Status**: ✅ Fully Implemented
**Completion Date**: 2024-11-29
#### Migration: `20251129002222_AddNetworkClubSystemV2`
**Tables Created** (11 new tables):
- ✅ `ClubFeatures` (3 columns)
- ✅ `ClubMemberships` (7 columns + navigation)
- ✅ `UserClubFeatures` (6 columns + navigation)
- ✅ `NetworkMemberships` (8 columns + navigation)
- ✅ `NetworkWeeklyBalances` (8 columns + FK)
- ✅ `WeeklyCommissionPools` (6 columns)
- ✅ `UserCommissionPayouts` (9 columns + FK)
- ✅ `SystemConfigurations` (7 columns)
- ✅ `ClubMembershipHistory` (9 columns + FK)
- ✅ `NetworkMembershipHistory` (11 columns + FK)
- ✅ `CommissionPayoutHistory` (9 columns + FK)
- ✅ `SystemConfigurationHistory` (9 columns + FK)
**Tables Updated** (3 existing tables):
- ✅ `Users` - Added: SponsorId, ClubMembershipId, NetworkMembershipId, LegPosition
- ✅ `UserWallets` - Added: Commission-related columns
- ✅ `Products` - Added: ClubFeaturePrice, ClubFeatureMonths
**Indexes**:
- ✅ Composite indexes on (UserId, WeekNumber) for performance
- ✅ Unique index on WeeklyCommissionPool.WeekNumber
- ✅ Foreign key indexes
- ✅ Status column indexes for filtering
**Constraints**:
- ✅ Binary tree constraints (max 2 children per parent)
- ✅ Position uniqueness (ParentId + LegPosition composite unique)
- ✅ Configuration key uniqueness (Scope + Key composite unique)
- ✅ Foreign keys with appropriate DELETE behavior:
- User → NetworkParent: NO ACTION (prevent cascade delete)
- History tables: CASCADE (delete history with parent)
#### Seed Data
**SystemConfigurations** (10 rows):
```csharp
club_membership_price = 1000000
club_trial_days = 30
club_member_commission_rate = 5
club_trial_commission_rate = 3
network_max_depth = 15
commission_calculation_day = 6 (Sunday)
commission_pool_percentage = 20
commission_payment_threshold = 100000
withdrawal_min_amount = 100000
withdrawal_max_amount = 10000000
```
**Migration Applied**:
```bash
cd /home/masoud/Apps/project/FourSat/CMS/src
dotnet ef database update
# Result: Migration 20251129002222_AddNetworkClubSystemV2 applied successfully
```
---
### ❌ Phase 9: Club Shop & Product Integration (Not Started)
**Status**: ❌ Not Started (0%)
**Priority**: Low (can be implemented anytime)
**Planned Features**:
- ❌ Club membership purchase flow
- Product catalog for club memberships
- Shopping cart integration
- Order creation for club membership
- Payment gateway integration
- ❌ Automatic club activation on purchase
- Order completion webhook
- Automatic `ActivateClubMembershipCommand` execution
- Email/SMS notification to user
- ❌ Club membership renewal
- Expiry date detection
- Renewal reminders (30 days before, 7 days before)
- Auto-renewal option
- ❌ Package/Bundle support
- Multi-month packages (3/6/12 months with discounts)
- Discount pricing tiers
- Upgrade/downgrade paths
**Integration Points**:
- Products table (ClubFeaturePrice, ClubFeatureMonths fields already added)
- UserOrder table (order tracking)
- Payment gateway (existing infrastructure)
- Club membership CQRS module (reuse existing commands)
---
### 🟡 Phase 10: Withdrawal & Settlement (Partially Complete - 40%)
**Status**: 🟡 Commands Exist, External Integration Pending
#### ✅ Completed Components (40%)
**Commands** (in Phase 4):
- ✅ `RequestWithdrawalCommand` - User withdrawal request
- Validates payout status, IBAN format for Cash method
- Updates status to WithdrawRequested
- ✅ `ProcessWithdrawalCommand` - Admin approval/rejection
- Approval: Adds to UserWallet.DiscountBalance (Diamond) or processes IBAN transfer (Cash)
- Rejection: Reverts status to Paid
**Database**:
- ✅ UserCommissionPayout table with withdrawal tracking
- ✅ CommissionPayoutHistory table for audit trail
#### ⚠️ Pending External Integrations (60% - TODO)
**Payment Gateway API** (Not Started):
- ❌ Daya API integration (or alternative gateway)
- ❌ Bank transfer automation (IBAN to IBAN transfer)
- ❌ Transaction status webhooks
- ❌ Settlement report generation
**Admin Panel** (Not Started):
- ❌ Withdrawal approval UI (BackOffice dashboard)
- ❌ Bulk approval functionality
- ❌ Settlement batch processing
- ❌ Transaction monitoring dashboard
**Notifications** (Not Started):
- ❌ Email notification on withdrawal request
- ❌ SMS notification on approval/rejection
- ❌ User dashboard withdrawal history
**Financial Reports** (Not Started):
- ❌ Weekly commission report
- ❌ Withdrawal report by status
- ❌ User balance reconciliation
- ❌ Tax reporting (if required)
---
## 🔄 External Integration: BackOffice.BFF Gateway
**Status**: 🚧 In Progress (30%)
**Purpose**: Expose CMS services to Admin Dashboard (BackOffice frontend)
### Completed Components
#### Protobuf Client Projects (✅ 100%)
**Location**: `BackOffice.BFF/src/Protobufs/`
1. ✅ `BackOffice.BFF.Common.Protobuf` - Common messages/enums
2. ✅ `BackOffice.BFF.Configuration.Protobuf` - Configuration client
3. ✅ `BackOffice.BFF.ClubMembership.Protobuf` - Club membership client
4. ✅ `BackOffice.BFF.NetworkMembership.Protobuf` - Network client
5. ✅ `BackOffice.BFF.Commission.Protobuf` - Commission client
**Build Status**: ✅ All projects built successfully (0 errors)
### Pending Components
#### Infrastructure Layer (❌ 0%)
**Planned Files** (not created yet):
- ❌ `ConfigurationGrpcClient.cs` - Wrapper for Configuration service
- ❌ `ClubMembershipGrpcClient.cs` - Wrapper for ClubMembership service
- ❌ `NetworkMembershipGrpcClient.cs` - Wrapper for NetworkMembership service
- ❌ `CommissionGrpcClient.cs` - Wrapper for Commission service
**Features**:
- Retry policies (Polly library)
- Circuit breaker pattern
- Timeout handling
- Error mapping (gRPC → HTTP status codes)
- Logging and telemetry
#### Application Layer (❌ 0%)
**Planned**:
- ❌ CQRS handlers for BFF (map gRPC calls to REST)
- ❌ DTOs for REST API responses
- ❌ Mapping profiles (AutoMapper)
#### WebApi Layer (❌ 0%)
**Planned REST Controllers**:
- ❌ `ConfigurationController` - Configuration management
- ❌ `ClubMembershipController` - Club membership operations
- ❌ `NetworkMembershipController` - Network management
- ❌ `CommissionController` - Commission reporting
#### Configuration (❌ 0%)
**Planned**:
- ❌ gRPC channel configuration in `appsettings.json`
- ❌ CMS service URL mapping
- ❌ Authentication setup (JWT forwarding from BackOffice to CMS)
---
## 📦 Project Structure Summary
```
CMS/
├── docs/
│ ├── implementation-progress.md ✅ (THIS FILE)
│ ├── network-club-commission-system-v1.1.md ✅ (System design)
│ └── model.ndm2 ✅ (Database diagram - Navicat format)
├── src/
│ ├── CMSMicroservice.Domain/ ✅ (Phase 1)
│ │ ├── Entities/
│ │ │ ├── Club/ (3 entities)
│ │ │ ├── Network/ (2 entities: NetworkMembership, NetworkWeeklyBalance)
│ │ │ ├── Commission/ (2 entities: WeeklyCommissionPool, UserCommissionPayout)
│ │ │ ├── Configuration/ (1 entity: SystemConfiguration)
│ │ │ └── History/ (4 entities: Club, Network, Commission, Configuration)
│ │ └── Enums/ (7 enums)
│ ├── CMSMicroservice.Application/ ✅ (Phases 2-4)
│ │ ├── ConfigurationCQ/ (Phase 2: 2 Commands + 3 Queries)
│ │ ├── ClubMembershipCQ/ (Phase 2: 3 Commands + 3 Queries)
│ │ ├── NetworkMembershipCQ/ (Phase 3: 3 Commands + 3 Queries)
│ │ └── CommissionCQ/ (Phase 4: 5 Commands + 4 Queries)
│ ├── CMSMicroservice.Infrastructure/ ✅ (Phases 4-5)
│ │ ├── BackgroundJobs/
│ │ │ └── WeeklyNetworkCommissionWorker.cs ✅ (Phase 4 - NEW!)
│ │ ├── Services/ (Phase 5 - gRPC implementations: 4 services)
│ │ └── Persistence/
│ │ ├── Configurations/ (EF Core entity configs: 14 files)
│ │ └── Migrations/ (Phase 8: 20251129002222_AddNetworkClubSystemV2)
│ ├── CMSMicroservice.Protobuf/ ✅ (Phase 5)
│ │ └── Protos/ (4 .proto files: configuration, clubmembership, networkmembership, commission)
│ └── CMSMicroservice.WebApi/ ✅ (Phase 8)
│ └── Program.cs (gRPC service registration)
└── README.md
```
---
## 🎯 Next Steps & Priorities
### Immediate (High Priority)
1. **Continue BackOffice.BFF Integration**:
- [ ] Create gRPC client services in Infrastructure layer
* Files: ConfigurationClient.cs, ClubMembershipClient.cs, NetworkMembershipClient.cs, CommissionClient.cs
* Pattern: Wrapper classes around generated gRPC clients
- [ ] Implement Application layer handlers
* CQRS commands/queries that call gRPC clients
- [ ] Create REST controllers in WebApi
* RESTful endpoints for BackOffice frontend
- [ ] Configure gRPC channels in appsettings
* Service discovery, retry policies, timeouts
- [ ] Test end-to-end flow (Admin → BFF → CMS)
### Short-term (Medium Priority)
2. **Background Worker Enhancement** - **80% Complete**:
- [x] ✅ Add transaction scope for atomic operations
* DONE: TransactionScope wraps all 3 steps (30min timeout)
- [x] ✅ Add idempotency check
* DONE: Checks WeeklyCommissionPool.IsCalculated before execution
- [x] ✅ Implement Step 5 (Reset Balances)
* DONE: Marks NetworkWeeklyBalance.IsExpired = true after payout
- [ ] ⚠️ Integrate monitoring/alerting (Sentry, Slack, Email)
* TODO: Send real-time alerts on Worker failures with execution ID
- [ ] ⚠️ Add notification system
* TODO: Send Email/SMS to users about commission payouts
- [ ] ⚠️ Add retry logic with exponential backoff
* TODO: Retry failed executions (3 attempts: 1min, 5min, 15min)
- [ ] ⚠️ Add health check endpoint for Worker status
* TODO: Show last run time, next run time, execution status
- [ ] ⚠️ Implement manual trigger endpoint (for testing)
* TODO: Admin-only endpoint to force calculation on-demand
3. **Admin Panel UI (BackOffice)**:
- [ ] Withdrawal approval UI
* List pending withdrawals with user info
* Approve/Reject actions with reason input
- [ ] Commission report dashboard
* Weekly pool statistics
* User payout history with filters
- [ ] Network tree visualization
* Interactive binary tree viewer
* User details on hover
- [ ] Configuration management UI
* Edit system configurations
* View change history
### Long-term (Low Priority)
4. **Phase 7: Testing**:
- [ ] Unit tests for all handlers (80%+ coverage)
- [ ] Integration tests for gRPC services
- [ ] Background worker tests (timer, execution, error handling)
5. **Phase 9: Club Shop**:
- [ ] Club membership purchase flow
- [ ] Auto-activation on payment completion
- [ ] Renewal reminders
6. **Phase 10: Payment Integration**:
- [ ] Daya API integration (or alternative gateway)
- [ ] Bank transfer automation
- [ ] Financial reports (weekly commission, withdrawal reports)
---
## 📈 Metrics & Statistics
### Code Statistics (Approximate)
- **Total Files Created**: 150+ (Domain + Application + Infrastructure + Protobuf + Worker)
- **Total Lines of Code**: ~12,000 lines (excluding generated gRPC code)
- **Entities**: 11 core + 4 history + 3 updated = 18 total
- **Commands**: 15+ (across all CQRS modules)
- **Queries**: 15+ (across all CQRS modules)
- **gRPC Services**: 4 services, 26 RPC endpoints
- **Background Jobs**: 1 (WeeklyNetworkCommissionWorker - 195 lines)
### Database Statistics
- **New Tables**: 11 (+ 4 history tables = 15 total)
- **Updated Tables**: 3 (Users, UserWallets, Products)
- **Total Tables**: 18 (network/club system)
- **Indexes**: 15+ (performance optimization)
- **Foreign Keys**: 20+ (relational integrity)
- **Seed Data**: 10 SystemConfiguration records
### Build Status
- ✅ **Build**: Success (0 errors, 344 warnings - nullable references only in legacy code)
- ✅ **Migration**: Applied successfully (20251129002222_AddNetworkClubSystemV2)
- ✅ **Seed Data**: 10 SystemConfiguration records inserted
- ✅ **gRPC Services**: Registered and running (26 endpoints)
- ✅ **Background Worker**: Registered and scheduled (Sunday 23:59)
---
## 🏗️ Architecture Overview
### Clean Architecture Layers
```
┌─────────────────────────────────────────┐
│ CMSMicroservice.WebApi │ ← REST API (existing controllers)
└─────────────────────────────────────────┘
┌─────────────────────────────────────────┐
│ CMSMicroservice.Protobuf │ ← gRPC Services (Phase 5) - 26 RPCs
└─────────────────────────────────────────┘
┌─────────────────────────────────────────┐
│ CMSMicroservice.Infrastructure │ ← Data Access, gRPC Impl, Worker
│ - EF Core DbContext │
│ - gRPC Service Implementations │
│ - Background Jobs (Worker) 🆕 │
│ - Configurations (14 files) │
└─────────────────────────────────────────┘
┌─────────────────────────────────────────┐
│ CMSMicroservice.Application │ ← CQRS (Phases 2-4)
│ - Commands & Handlers (15+) │
│ - Queries & Handlers (15+) │
│ - FluentValidation (30+ validators) │
│ - MediatR Pipeline │
└─────────────────────────────────────────┘
┌─────────────────────────────────────────┐
│ CMSMicroservice.Domain │ ← Entities, Enums (Phase 1)
│ - Entities (18 total) │
│ - Enums (7 enums) │
│ - Domain Events │
└─────────────────────────────────────────┘
```
### Technology Stack
- **Framework**: .NET 9.0
- **ORM**: Entity Framework Core 9.0
- **Database**: SQL Server
- **gRPC**: Grpc.AspNetCore
- **CQRS**: MediatR 12.x
- **Validation**: FluentValidation 11.x
- **Mapping**: AutoMapper 12.x
- **Background Jobs**: IHostedService (ASP.NET Core built-in)
- **Logging**: ILogger (Microsoft.Extensions.Logging)
- **Serialization**: System.Text.Json
---
## 📝 Notes & Decisions
### Design Decisions
1. **Binary Tree Implementation**:
- **Sponsor vs Parent distinction**:
* Sponsor = Referrer (User who brought you in - for referral bonuses)
* Parent = Direct upline in binary tree (for binary commission calculation)
- Position stored as enum (Left/Right)
- Tree integrity maintained on user removal (cannot remove users with children)
- Circular dependency prevention (IsDescendant recursive check)
2. **Commission Calculation**:
- **ISO 8601 week numbering** (Monday-based, FirstFourDayWeek rule)
- **Lesser leg (weaker side) determines points** (MLM Binary Plan)
- Club membership affects commission rate:
* Member: 5% commission
* Trial: 3% commission
- **Background Worker runs Sunday 23:59**:
* Allows all weekly orders/activities to complete
* Calculates Monday-Sunday week (ISO 8601)
- **3-step process** (atomic with future TransactionScope):
1. Calculate user balances (Left/Right leg volumes)
2. Calculate global pool (TotalPoolAmount ÷ TotalBalances)
3. Distribute payouts (user points × ValuePerBalance)
3. **History Tracking**:
- **Separate history tables** (not soft delete)
* Allows querying without filtering IsDeleted
* Immutable audit trail
- **OldValue/NewValue for configuration changes**
* Track before/after state
- **ChangedBy for admin audit**
* User ID from ClaimsPrincipal
- **Mandatory ChangeReason field**
* Enforce audit trail explanation
4. **Configuration System**:
- **Key-value store for flexibility**
* No code deployment for config changes
- **Type-safe retrieval methods**
* GetInt, GetDecimal, GetBool extensions
- **Scope-based categorization**
* System, Network, Club, Commission
- **History tracking for all changes**
* Complete audit trail
5. **Background Worker**:
- **Timer-based vs Cron**:
* Chose Timer for simplicity (no external dependencies)
* Cron would require Hangfire/Quartz
- **Sunday 23:59 execution**:
* Allows full week of data
* Non-business hours (lower server load)
- **MediatR orchestration**:
* Loosely coupled (commands can be called independently)
* Testable (mock IMediatorobject)
- **Idempotency**:
* ForceRecalculate/ForceReprocess flags
* Prevents duplicate processing
### Known Limitations
1. **Background Worker** - **Partially Complete (80%)**:
- ✅ Transaction scope implemented (TransactionScope with 30min timeout)
- ✅ Idempotency check implemented (checks `IsCalculated` before execution)
- ✅ Step 5 (Reset Balances) implemented (marks `IsExpired = true`)
- ✅ Enhanced logging with execution ID and duration tracking
- ⚠️ **No notification system** (only TODO comments)
* Problem: Users don't receive Email/SMS about commission payouts
* TODO: Integrate with notification service (e.g., SendGrid, Twilio)
- ⚠️ **No monitoring/alerting** (only logs to console)
* Problem: No real-time alerts on Worker failures
* TODO: Integrate Sentry/Slack/Email alerts
- ⚠️ **No retry logic** on failure
* Problem: Worker fails completely on first error
* TODO: Add exponential backoff retry (e.g., 3 retries with 1min, 5min, 15min delays)
- ⚠️ **Manual trigger not implemented**
* Problem: Cannot test or re-run calculations manually
* TODO: Admin endpoint for on-demand calculation
- ⚠️ **No distributed lock**
* Problem: Multiple instances could run simultaneously in scaled deployments
* TODO: Redis lock for multi-instance deployments
2. **Testing**:
- ❌ No unit tests yet (Phase 7 postponed)
- ❌ Integration tests not implemented
- ❌ Performance tests not implemented
3. **Performance**:
- ⚠️ No caching implemented
* Recursive tree traversal recalculates every time
* TODO: Cache binary tree structure (Redis)
- ⚠️ No pagination optimization for large trees
* GetNetworkTree could timeout with deep/wide trees
* Current: MaxDepth limit (1-10)
* TODO: Lazy loading, partial tree queries
4. **Security**:
- ⚠️ JWT validation not fully tested
- ⚠️ Role-based access control needs verification
* Admin-only endpoints (ProcessWithdrawal, SetConfiguration)
* TODO: Add [Authorize(Roles = "Admin")] attributes
---
## 🔗 Related Documentation
- **System Design**: [network-club-commission-system-v1.1.md](./network-club-commission-system-v1.1.md) - Complete system specifications (Business rules, formulas, workflows)
- **Database Model**: [model.ndm2](./model.ndm2) - ER diagram (Navicat Data Modeler format)
- **CMS Business Logic**: [cms-data-and-business.md](./cms-data-and-business.md) - Original business rules (Persian)
- **BackOffice README**: [../../BackOffice/README.md](../../BackOffice/README.md) - Admin dashboard documentation
- **BackOffice.BFF README**: [../../BackOffice.BFF/README.md](../../BackOffice.BFF/README.md) - BFF gateway documentation
---
## 📞 Contact & Support
**Developer**: Masoud (GitHub Copilot assisted)
**Last Updated**: 2024-11-29
**Repository**: FourSat (local workspace)
**Phase**: 7/10 Completed (Background Worker JUST COMPLETED - Phase 4)
---
**Legend**:
- ✅ = Completed
- 🚧 = In Progress
- ⏸️ = Postponed
- ❌ = Not Started
- 🟡 = Partially Complete
- 🆕 = Newly completed today
- ⚠️ = Warning/Limitation/TODO