1068 lines
40 KiB
Markdown
1068 lines
40 KiB
Markdown
# Network Club Commission System - Implementation Progress
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## 📊 Overall Status
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**Project**: CMS Microservice - Network & Club System
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**Architecture**: Clean Architecture (Domain → Application → Infrastructure → WebApi/Protobuf)
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**Last Updated**: 2024-11-29
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**Current Phase**: Phase 4 Background Worker Enhanced (Transaction + Idempotency + Reset)
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### 🎯 Completion Statistics
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- ✅ **Fully Completed**: 6.5 phases (65%)
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- 🟡 **Partially Complete**: 1.5 phases (Phase 4: 80%, Phase 10: 40%)
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- ⏸️ **Postponed**: 1 phase (Testing - Phase 7)
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- 🚧 **In Progress**: BackOffice.BFF Integration (external project - 30%)
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- ❌ **Not Started**: 1 phase (Phase 9: Club Shop)
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**Phase Details**:
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- ✅ Phase 1-3, 5-6, 8: **100% Complete**
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- 🟡 Phase 4 (Commission & Worker): **80% Complete** (Core done, Notifications/Alerts TODO)
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- 🟡 Phase 10 (Withdrawal): **40% Complete** (Commands done, External APIs TODO)
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---
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## 📋 Phase-by-Phase Breakdown
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### ✅ Phase 1: Domain Layer (100% Complete)
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**Status**: ✅ Fully Implemented
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**Completion Date**: 2024-11-28
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#### Enums Created (7 files)
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- ✅ `ClubFeatureType` - Member/Trial tiers
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- ✅ `ClubMembershipStatus` - Active/Inactive/Pending/Expired/Cancelled
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- ✅ `NetworkMembershipStatus` - Active/Inactive/Pending/Removed
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- ✅ `NetworkPosition` - Left/Right binary tree positions
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- ✅ `CommissionStatus` - Pending/Processing/Paid/Failed/Cancelled
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- ✅ `PaymentMethod` - Wallet/BankTransfer/OnlinePayment/Cash
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- ✅ `WithdrawalStatus` - Pending/Approved/Rejected/Processing/Completed/Failed
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#### Core Entities (11+ files)
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**Club System**:
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- ✅ `ClubFeature` - Club membership tier definitions
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- ✅ `ClubMembership` - User club membership records
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- ✅ `UserClubFeature` - User-specific club features
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**Network System**:
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- ✅ `NetworkMembership` - Binary tree network structure (Parent-Child)
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- ✅ `NetworkWeeklyBalance` - Weekly user statistics
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- LeftVolume, RightVolume, WeakerLegVolume, LesserLegPoints
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**Commission System**:
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- ✅ `WeeklyCommissionPool` - Global weekly commission pool
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- TotalPoolAmount, TotalBalances, ValuePerBalance
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- ✅ `UserCommissionPayout` - Individual user payouts per week
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- BalancesEarned, TotalAmount, Status, WithdrawalMethod
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**Configuration**:
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- ✅ `SystemConfiguration` - Key-value configuration store with History
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**History/Audit Tables** (4 entities):
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- ✅ `ClubMembershipHistory` - Club membership changes audit
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- ✅ `NetworkMembershipHistory` - Network position changes audit
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- ✅ `CommissionPayoutHistory` - Commission transaction history
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- ✅ `SystemConfigurationHistory` - Configuration change audit
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**Updated Entities**:
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- ✅ `User` - Added: SponsorId, ClubMembershipId, NetworkMembershipId
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- ✅ `UserWallet` - Added: Commission-related balance tracking
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- ✅ `Products` - Added: ClubFeaturePrice, ClubFeatureMonths
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---
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### ✅ Phase 2: Club Membership (100% Complete)
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**Status**: ✅ Fully Implemented
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**Completion Date**: 2024-11-28
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#### Configuration Module
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**Commands**:
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- ✅ `SetConfigurationValueCommand` - Create/update configuration keys
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- Upsert pattern with history tracking
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**Queries**:
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- ✅ `GetAllConfigurationsQuery` - Paginated list with filters (Scope, Key, IsActive)
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- ✅ `GetConfigurationByKeyQuery` - Get single configuration by Scope+Key
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- ✅ `GetConfigurationHistoryQuery` - Audit trail with pagination
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**Key Configurations Seeded** (10 entries):
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1. `club_membership_price` = 1,000,000 Rials
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2. `club_trial_days` = 30 days
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3. `club_member_commission_rate` = 5%
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4. `club_trial_commission_rate` = 3%
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5. `network_max_depth` = 15 levels
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6. `commission_calculation_day` = Sunday (6)
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7. `commission_pool_percentage` = 20%
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8. `commission_payment_threshold` = 100,000 Rials
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9. `withdrawal_min_amount` = 100,000 Rials
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10. `withdrawal_max_amount` = 10,000,000 Rials
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#### Club Membership Module
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**Commands**:
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- ✅ `ActivateClubMembershipCommand` - Activate user's club membership
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- Creates new or reactivates existing membership
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- Records history with Activated action
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- ✅ `DeactivateClubMembershipCommand` - Deactivate membership
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- Sets IsActive = false, records history
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- ✅ `UpdateClubMembershipCommand` - Update membership details
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**Queries**:
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- ✅ `GetClubMembershipStatusQuery` - Get user's current club status
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- ✅ `GetAllClubMembershipsQuery` - Paginated list with filters (Status, UserId, FeatureType)
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- ✅ `GetClubMembershipHistoryQuery` - History with pagination
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**Features**:
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- Automatic trial period calculation
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- Status transition tracking
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- History recording for all changes
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- Integration with SystemConfiguration for rates/prices
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---
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### ✅ Phase 3: Network Binary System (100% Complete)
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**Status**: ✅ Fully Implemented
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**Completion Date**: 2024-11-28
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#### Network Membership Module
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**Commands**:
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- ✅ `JoinNetworkCommand` - Add user to binary tree
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- Parameters: UserId, SponsorId, ParentId, Position (Left/Right)
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- Validates: Parent exists, position is empty, no circular references
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- ✅ `MoveInNetworkCommand` - Relocate user in tree
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- Parameters: UserId, NewParentId, NewPosition
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- **IsDescendant check**: Prevents moving parent under child (circular dependency)
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- Validates: New position is empty
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- ✅ `RemoveFromNetworkCommand` - Remove user from tree
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- Validates: User has no children (must remove/move children first)
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- Soft delete: Sets NetworkParentId = null
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**Queries**:
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- ✅ `GetNetworkTreeQuery` - Retrieve binary tree structure
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- Parameters: RootUserId, MaxDepth (1-10, default: 3)
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- Recursive tree traversal with depth limit
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- Returns nested DTO structure (LeftChild, RightChild)
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- ✅ `GetUserNetworkPositionQuery` - Get user's position and immediate network
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- Returns: Parent info, Children counts (Left/Right), Total network size
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- ✅ `GetNetworkMembershipHistoryQuery` - Position change history with pagination
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**Business Rules Implemented**:
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- ✅ Binary tree constraints (max 2 children per node: Left + Right)
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- ✅ Position validation (no duplicate Left/Right under same parent)
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- ✅ Orphan node prevention (cannot remove users with children)
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- ✅ Circular dependency detection (IsDescendant recursive check)
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- ✅ Sponsor vs Parent distinction:
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- **Sponsor**: User who referred (for referral bonuses)
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- **Parent**: Direct upline in binary tree (for binary commission)
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- ✅ Root node identification (NetworkParentId = null)
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**Features**:
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- Recursive tree traversal with configurable depth
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- Depth-limited tree queries (performance optimization)
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- Position conflict detection
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- Complete history tracking (Join/Move/Remove actions)
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- Sponsor relationship tracking (independent of tree structure)
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---
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### ✅ Phase 4: Commission Calculation & Background Worker (100% Complete) 🆕
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**Status**: ✅ Fully Implemented
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**Completion Date**: 2024-11-29 (Worker just completed today!)
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#### Commission Commands
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**Weekly Calculation**:
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- ✅ `CalculateWeeklyBalancesCommand` - Calculate user balances
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- Parameters: WeekNumber (YYYY-Www format), ForceRecalculate (bool)
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- **Algorithm**: Recursive binary tree traversal
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- `CalculateLegBalances(UserId, Position)` counts all descendants
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- Formula: Balance = 1 (child) + childLeftLeg + childRightLeg
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- Calculates:
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* LeftVolume = Total users in left leg
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* RightVolume = Total users in right leg
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* WeakerLegVolume = MIN(Left, Right)
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* LesserLegPoints = WeakerLegVolume (MLM Binary Plan)
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- Stores in `NetworkWeeklyBalance` table (Upsert if ForceRecalculate)
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**Commission Pool**:
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- ✅ `CalculateWeeklyCommissionPoolCommand` - Calculate global pool
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- Parameters: WeekNumber, ForceRecalculate
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- **Prerequisite**: CalculateWeeklyBalances must run first
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- Aggregation:
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* TotalPoolAmount = SUM(WeeklyPoolContribution) from all users
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* TotalBalances = SUM(LesserLegPoints) from all users
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* ValuePerBalance = TotalPoolAmount ÷ TotalBalances (Rial per point)
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- Applies club membership commission rates (member: 5%, trial: 3%)
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- Stores in `WeeklyCommissionPool` table
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**Payout Processing**:
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- ✅ `ProcessUserPayoutsCommand` - Distribute commissions
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- Parameters: WeekNumber, ForceReprocess
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- **Prerequisite**: CalculateWeeklyCommissionPool must run first
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- For each user with `LesserLegPoints > 0`:
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* TotalAmount = User's LesserLegPoints × ValuePerBalance
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* Creates `UserCommissionPayout` record (Status = Pending)
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* Records in `CommissionPayoutHistory` (Action = Created)
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- Idempotent: ForceReprocess allows recalculation
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**Withdrawal System**:
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- ✅ `RequestWithdrawalCommand` - User withdrawal request
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- Parameters: PayoutId, WithdrawalMethod (Cash/Diamond), IbanNumber (for Cash)
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- Validations:
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* Payout must be in Paid status
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* IBAN format: `^IR\d{24}$` (for Cash method)
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- Updates: Status → WithdrawRequested
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- History: Action = WithdrawRequested
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- ✅ `ProcessWithdrawalCommand` - Admin approval/rejection
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- Parameters: PayoutId, IsApproved, AdminNotes
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- **If Approved**:
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* Status → Withdrawn
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* **If Diamond**: Add TotalAmount to `UserWallet.DiscountBalance` (instant)
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* **If Cash**: External bank transfer (uses stored IBAN)
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* History: Action = Withdrawn
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- **If Rejected**:
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* Status → Paid (revert)
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* Clear: WithdrawalMethod, IbanNumber
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* History: Action = Cancelled
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#### Background Worker (NEW - JUST IMPLEMENTED) 🔥
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**File**: `CMSMicroservice.Infrastructure/BackgroundJobs/WeeklyNetworkCommissionWorker.cs` (195 lines)
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**Architecture**:
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- ✅ Inherits from `BackgroundService` (ASP.NET Core IHostedService pattern)
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- ✅ Registered in DI: `services.AddHostedService<WeeklyNetworkCommissionWorker>()`
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**Scheduling**:
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- ✅ **Runs every Sunday at 23:59**
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- ✅ Timer-based execution with dynamic next-run calculation
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- ✅ `GetNextSunday()` method:
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- Calculates days until next Sunday
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- Adds 23 hours 59 minutes to reach end of day
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- Handles edge case: If today is Sunday before 23:59, schedules for today
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- ✅ Timer period: 7 days (1 week)
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**Execution Flow** (3-Step Process):
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```csharp
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protected override async Task ExecuteAsync(CancellationToken stoppingToken)
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{
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// Step 1: Calculate delay until next Sunday 23:59
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var delay = GetDelayUntilNextSunday();
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// Step 2: Create Timer with weekly period
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_timer = new Timer(
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callback: async _ => await ExecuteWeeklyCalculationAsync(),
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state: null,
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dueTime: delay,
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period: TimeSpan.FromDays(7)
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);
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}
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private async Task ExecuteWeeklyCalculationAsync()
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{
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var weekNumber = GetWeekNumber(DateTime.UtcNow); // Format: YYYY-Www
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var executionId = Guid.NewGuid();
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_logger.LogInformation($"[{executionId}] Starting weekly calculation for {weekNumber}");
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try
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{
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// Step 1: Calculate user balances (Left/Right leg volumes)
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await _mediator.Send(new CalculateWeeklyBalancesCommand
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{
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WeekNumber = weekNumber,
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ForceRecalculate = false
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});
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// Step 2: Calculate global commission pool
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await _mediator.Send(new CalculateWeeklyCommissionPoolCommand
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{
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WeekNumber = weekNumber,
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ForceRecalculate = false
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});
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// Step 3: Distribute commissions to users
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await _mediator.Send(new ProcessUserPayoutsCommand
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{
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WeekNumber = weekNumber,
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ForceReprocess = false
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});
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_logger.LogInformation($"[{executionId}] Completed successfully");
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, $"[{executionId}] Failed: {ex.Message}");
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// TODO: Send alert to monitoring system (Sentry, Slack, Email)
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}
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}
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```
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**Week Number Calculation** (ISO 8601):
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- ✅ Format: `YYYY-Www` (e.g., `2025-W48`)
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- ✅ Uses `Calendar.GetWeekOfYear()`:
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- Rule: `FirstFourDayWeek` (ISO 8601 standard)
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- FirstDayOfWeek: Monday
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- ✅ Handles year transitions correctly
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**Logging**:
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- ✅ Execution ID tracking (Guid for correlation)
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- ✅ Step-by-step progress logging
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- ✅ Error logging with exception details
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- ✅ Structured logging with context:
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- `[ExecutionId] Starting weekly calculation for 2025-W48`
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- `[ExecutionId] Step 1/3: Calculating balances...`
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- `[ExecutionId] Step 2/3: Calculating pool...`
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- `[ExecutionId] Step 3/3: Processing payouts...`
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- `[ExecutionId] Completed successfully in 15.3s`
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**Error Handling**:
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- ✅ Try-catch wraps entire 3-step process
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- ✅ Logs exception with full stack trace
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- ✅ TODO markers for production enhancements:
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- ⚠️ Add transaction scope for atomic execution
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- ⚠️ Integrate monitoring alerts (Sentry, Slack, Email)
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- ⚠️ Add retry logic with exponential backoff
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- ⚠️ Implement circuit breaker for external dependencies
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**Features**:
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- ✅ MediatR command orchestration (loosely coupled)
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- ✅ Idempotency support (ForceRecalculate/ForceReprocess flags)
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- ✅ Graceful shutdown handling (CancellationToken)
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- ✅ Timer disposal on stop
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- ✅ UTC timezone consistency
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**Production Readiness Status**:
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1. ✅ **Transaction Scope**: ✅ IMPLEMENTED - Wraps 3 commands in `TransactionScope` for atomicity (30min timeout)
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2. ✅ **Idempotency Check**: ✅ IMPLEMENTED - Checks `WeeklyCommissionPool.IsCalculated` before execution
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3. ✅ **Step 5 (Reset Balances)**: ✅ IMPLEMENTED - Marks `NetworkWeeklyBalance.IsExpired = true` after payout
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4. ⚠️ **Notification System**: ⚠️ TODO - Send Email/SMS to users with payout details (integration required)
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5. ⚠️ **Monitoring Alerts**: ⚠️ TODO - Integrate with Sentry/Slack/Email for failure alerts
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6. ⚠️ **Retry Logic**: ⚠️ TODO - Add exponential backoff retry on failure
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7. ⚠️ **Health Check**: ⚠️ TODO - Add health check endpoint for Worker status monitoring
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8. ⚠️ **Manual Trigger**: ⚠️ TODO - Admin endpoint to trigger calculation on-demand
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9. ⚠️ **Distributed Lock**: ⚠️ TODO - Use Redis lock for multi-instance deployments
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#### Commission Queries
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- ✅ `GetUserWeeklyBalancesQuery` - User's weekly balance history
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- Filters: UserId, WeekNumber, OnlyActive (non-expired)
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- Returns: LeftLegBalances, RightLegBalances, TotalBalances, WeeklyPoolContribution
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- Pagination + Sorting (default: -WeekNumber)
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- ✅ `GetUserCommissionPayoutsQuery` - User's payout history
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- Filters: UserId, Status, WeekNumber
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- Returns: BalancesEarned, ValuePerBalance, TotalAmount, Status, WithdrawalMethod
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- Pagination + Sorting
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- ✅ `GetCommissionPayoutHistoryQuery` - Global payout history
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- Filters: PayoutId, UserId, WeekNumber
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- Returns: AmountBefore/After, OldStatus/NewStatus, Action, PerformedBy, Reason
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- Complete audit trail
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**Validators**:
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- ✅ Week number format validation (YYYY-Www with regex)
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- ✅ Amount validations for withdrawals (min/max from Configuration)
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- ✅ IBAN validation for Cash withdrawals
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- ✅ Business rule validations (status transitions, prerequisites)
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---
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### ✅ Phase 5: Protobuf gRPC Services (100% Complete)
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**Status**: ✅ Fully Implemented
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**Completion Date**: 2024-11-29
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#### Protobuf Definitions (4 .proto files)
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**Location**: `CMSMicroservice.Protobuf/Protos/`
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1. **configuration.proto**:
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- Service: `ConfigurationService`
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- RPCs: 4 endpoints
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* `SetConfigurationValue` - Create/Update
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* `GetAllConfigurations` - Paginated list
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* `GetConfigurationByKey` - Single config
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* `GetConfigurationHistory` - Audit trail
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- HTTP annotations for REST-style access
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2. **clubmembership.proto**:
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- Service: `ClubMembershipService`
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- RPCs: 6 endpoints
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* `ActivateClubMembership`
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* `DeactivateClubMembership`
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* `UpdateClubMembership`
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* `GetClubMembershipStatus`
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* `GetAllClubMemberships` (paginated)
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* `GetClubMembershipHistory` (paginated)
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3. **networkmembership.proto**:
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- Service: `NetworkMembershipService`
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- RPCs: 6 endpoints
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* `JoinNetwork`
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* `MoveInNetwork`
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* `RemoveFromNetwork`
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* `GetNetworkTree` (recursive tree structure)
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* `GetUserNetworkPosition`
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* `GetNetworkMembershipHistory`
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4. **commission.proto**:
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- Service: `CommissionService`
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- RPCs: 8 endpoints
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* `CalculateWeeklyBalances` (manual trigger)
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* `CalculateWeeklyCommissionPool`
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* `ProcessUserPayouts`
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* `RequestWithdrawal`
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* `ProcessWithdrawal` (Admin)
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* `GetUserWeeklyBalances`
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* `GetUserCommissionPayouts`
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* `GetCommissionPayoutHistory`
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**Total RPC Endpoints**: **26**
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#### gRPC Service Implementations (4 files)
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**Location**: `CMSMicroservice.Infrastructure/Services/`
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1. ✅ `ConfigurationService.cs` - Implements ConfigurationService (4 RPCs)
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- AutoMapper for DTO mapping
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- MediatR command/query dispatching
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2. ✅ `ClubMembershipService.cs` - Implements ClubMembershipService (6 RPCs)
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- Standard CQRS pattern
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3. ✅ `NetworkMembershipService.cs` - Implements NetworkMembershipService (6 RPCs)
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- Tree structure mapping
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4. ✅ `CommissionService.cs` - Implements CommissionService (8 RPCs)
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- Largest service (commission workflow)
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**Features**:
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- AutoMapper for DTO mapping
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- MediatR for command/query dispatching
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- Standardized error handling (gRPC status codes)
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- Logging with ILogger
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- Request validation via FluentValidation
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**Registered in DI**:
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- ✅ All services mapped in `ConfigureGrpcServices.cs`
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- ✅ Auto-registration via reflection:
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```csharp
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var grpcServices = Assembly.GetExecutingAssembly()
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.GetTypes()
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.Where(t => t.Name.EndsWith("Service") && t.BaseType?.Name.EndsWith("ContractBase") == true);
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```
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---
|
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|
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### ✅ Phase 6: History & Configuration System (100% Complete)
|
||
|
||
**Status**: ✅ Fully Implemented (entities created in Phase 1)
|
||
**Completion Date**: 2024-11-28
|
||
|
||
#### History Tracking
|
||
|
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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
|