- Replace map[string]interface{} with map[string]any in UpdateCarrierMetrics
- Replace interface{} with any for GeneratedAt field in PricingEffectiveness struct
- Replace loop-based empty string checks with slices.Contains in ValidateConditions
- Replace range loop index initialization with range-only syntax in calculateAPIPerformance
- Add slices import for standard library slice utilities
- Add revenue calculation in GetRevenueAnalytics with active subscription base price aggregation
- Add date range filtering for revenue analytics with StartDate and EndDate support
- Add per-plan revenue, subscription count, and average revenue calculations
- Add error handling with partial result fallback for revenue queries
- Replace mock resource performance with event-based performance
- Replace neutral 50.0 score with MCC-to-region mapping logic in calculateRegionScore
- Add mccToRegion function mapping MCC first digit to region codes (EU, NA, AS, OC, AF, SA)
- Add sameRegionGroup function grouping regions into EMEA, AMER, and APAC clusters
- Add 90.0 score for exact MCC region match, 70.0 for same region group, 30.0 for distant regions
- Add MCC range documentation for Europe (2xx), North America (3xx
- Move CreateRule, GetRule, UpdateRule, DeleteRule, ListRules, CalculatePrice, and ApplyRules to pricing_service_crud.go
- Remove duplicate struct and constructor comments from pricing_service.go
- Replace hardcoded discount values in extractDiscountValue with actual rule Actions field parsing
- Add AdjustmentType-based discount calculation for Percentage, Fixed, Multiply, and Override
- Replace TODO comments with context.WithValue calls injecting tenant_id in ProcessBilling
- Add tenant context injection in ConvertAmount for tenant-specific exchange rates
- Add tenant context injection in GetBillingHistory for repository-level filtering
- Add tenant context injection in CalculateTotalBilling for scoped calculations
- Update comments to reflect context-based isolation strategy
- Replace mock logging with actual database persistence in UpdateCarrierMetrics
- Add carrier record timestamp update with updated_at field
- Add carrier_metrics table insertion with JSON-serialized metrics data
- Add metricsRecord struct with CarrierID, MetricsData, and RecordedAt fields
- Add zero-division protection for success rate calculation
- Update logging to use structured fields with WithField
- Add ProcessRefund implementation with negative billing entry for refunds and transaction ID fallback
- Add GetBillingAnalytics implementation with date range filtering, billing summary calculation, and transaction history
- Add default 30-day date range for analytics with RFC3339 date parsing for custom ranges
- Replace NotImplemented responses with full BillingService integration
- Add updateCarrierWeights implementation with regional and plan-based weight adjustments in carrier_methods.go
- Add calculateRegionalWeightAdjustment helper with usage-based weight scaling and clamping
- Add calculatePlanWeightAdjustment helper with plan usage analysis and adjustment limits
- Add calculateConversionRate helper in pricing_integration.go using discount statistics and active rule ratios
- Add TenantRateLimiter with plan-based rate limits for Free, Basic, Pro, and Enterprise tiers
- Add RateLimit struct with RequestsPerMinute, RequestsPerHour, RequestsPerDay, and BurstSize fields
- Add TenantUsageTracker with sliding window counters for minute, hour, and day tracking
- Add SlidingWindowCounter with Allow and Count methods for time-based request tracking
- Add AllowRequest method with multi-tier rate limit
- Add GenerateRuleID function using nanosecond timestamp
- Add GetCurrentTime helper returning current time
- Add GenerateEventID function with "evt_" prefix and 16-character random string
- Add GenerateRandomString function with alphanumeric charset
- Replace getCurrentTime() calls with id.GetCurrentTime() in pricing_integration.go and pricing_service.go
- Replace generateRuleID() with id.GenerateRuleID() in pricing rule creation
- Replace generateEventID() with id.GenerateEventID() in tenant middleware
- Remove local helper functions: generateRuleID, getCurrentTime, generateEventID, generateRandomString, getCurrentTimestamp
- Remove unused time package imports
- Extract generateHistoryAnalytics helper in selection_handler_methods.go
- Extract generateRecommendations helper in selection_handler_selection.go
- Extract parsePositiveInt helper in rateplan_handlers_analytics.go
- Replace hardcoded URL path with action parameter in ES2Service.sendActivationRequest
- Add TODO comments for wrapCurrencyService and updateCarrierWeights pending implementations
- Fix struct field alignment and formatting in carrier_methods.go
- Add GormPricingRepository with CreateRule, GetRule, UpdateRule, DeleteRule, ListRules, CountRules methods
- Add GetActiveRules, GetRulesByType methods for retrieving active pricing rules by tenant and type
- Add TenantScopedDB wrapper with automatic tenant filtering for tenant-aware database operations
- Implement TenantScopedTransaction with tenant context propagation and automatic filtering
- Move parseAPIRequestEvents, buildResourcePerformance, parseErrorEvents, parseSlowQueryEvents from tenant_analytics_mock.go to tenant_analytics.go
- Update buildUsageByType to fetch usage statistics from repository instead of using mock data
- Add calculateResourceUsageAnalytics helper to calculate analytics from usage records
- Update buildUsageTrends to use repository data with buildUsageTrendData helper
- Update buildUsagePeaks to use repository data with buildUsagePeakData helper
- Add PricingHandler with CreateRule, GetRule, UpdateRule, DeleteRule, ListRules methods
- Add CalculatePrice endpoint for price calculation based on active rules
- Add ApplyRules endpoint for applying specific pricing rules to context
- Add GetAnalytics endpoint for retrieving pricing analytics by tenant
- Add RegisterRoutes method to register pricing routes under /pricing group
- Implement GetTenantDashboard with usage stats, metrics, recent events, and quota status
- Implement GetUsageAnalytics with usage by type, trends, and peaks
- Implement GetPerformanceAnalytics with API performance, resource performance, errors, and slow queries
- Extract helper methods to tenant_analytics_mock.go: parseTimeRange, parseAPIRequestEvent, parseErrorEvent, parseSlowQueryEvent, calculateAPIPerformance, build
- Update BillingSummary.Breakdown field type from map[string]interface{} to map[string]any
- Update Transaction.Metadata field type from map[string]interface{} to map[string]any
- Update RatePlanCurrencyIntegrator subscription and billing metadata to use map[string]any
- Update handler request/response types to use map[string]any (CreateRatePlanRequest, UpdateRatePlanRequest,
- Update RatePlanCurrencyIntegrator to use billingService.ConvertAmount with CurrencyConversionRequest struct instead of exchangeService
- Remove calculateOverageCost method from rateplan_methods.go (moved or deprecated)
- Rename tenant variable to newTenant in CreateTenant to avoid shadowing
- Extract tenant user methods from tenant_user.go to new tenant_user_methods.go file
- Move GormTenantRepository implementation from repository package to tenant package
- Move TenantResourceValidator from repository to tenant package
- Update tenant_aware_repository.go to import tenant package for Tenant and TenantStatusActive types
- Remove duplicate tenant model definitions and helper methods from repository package
- Update ValidateTenant to use tenant.Tenant and tenant.TenantStatusActive types
- Change TenantIntegrationManager.tenantService from Service interface to *services.TenantServiceImpl concrete type
- Change TenantResourceQuotaChecker.tenantService from Service interface to *services.TenantServiceImpl
- Change TenantEventLogger.tenantService from Service interface to *services.TenantServiceImpl
- Update TenantAwareServices fields to use tenant package types (TenantContext, TenantConfig)
- Add TenantAwareCurrencyRepository wrapper with tenant isolation for all currency repository methods
- Add NewTenantAwareCurrencyRepository and WithTenant methods for tenant context management
- Add TenantIntegrationManager with GetTenantAwareServices for tenant validation and configuration
- Add TenantAwareServices struct with tenant context, config, and currency service fields
- Add TenantResource
- Move tenant_aware_repository.go from internal/tenant to internal/repository package
- Move repository.go to tenant_repository.go in internal/repository package
- Add tenant package import for type references in tenant_repository.go
- Update filter type references to use tenant package prefix (TenantFilter, TenantUserFilter, TenantUsageFilter)
- Update return type for GetUsageStats to use tenant.TenantUsageStats
- Add CheckQuota method with quota limit validation, unlimited quota support (-1), and quota exceeded event logging
- Add GetUsageStats with resource breakdown, quota status calculation, warning/critical thresholds, and active user counting
- Add UpdateUsage with automatic usage record creation and existing record updates
- Add GetQuotaStatus, GetTenantConfig, UpdateTenantConfig, Get
- Add GormTenantRepository struct with GORM database field
- Add CreateTenant, GetTenant, GetTenantByDomain, UpdateTenant, DeleteTenant methods with context support
- Add ListTenants and CountTenants with filtering by ID, name, domain, status, plan, sorting, and pagination
- Add CreateTenantUser, GetTenantUser, UpdateTenantUser, DeleteTenantUser methods for user management
- Add ListTenantUsers and
- Add TenantMiddleware struct with tenant service and logger fields
- Add ExtractTenantFromHeader and ExtractTenantFromAPIKey methods for tenant identification from headers, subdomains, and API keys
- Add RequireTenant middleware with header and API key extraction fallback and tenant access validation
- Add RequireTenantRole middleware with role-based access control for multiple required roles
- Add Repository interface with tenant CRUD, user management, API keys, usage tracking, config, and event operations
- Add Service interface with tenant management, user operations, API key handling, quota checking, config management, authentication, and analytics methods
- Add Middleware interface with request extraction, access validation, context injection, rate limiting, and resource isolation
- Add TenantAwareCurrencyRepository wrapper with tenant isolation for all currency repository methods
- Add NewTenantAwareCurrencyRepository and WithTenant methods for tenant context management
- Add TenantIntegrationManager with GetTenantAwareServices for tenant validation and configuration
- Add TenantAwareServices struct with tenant context, config, and currency service fields
- Add TenantResourceQuotaChecker
- Add TenantFilter with ID, name, domain, status, plan, pagination, and sorting fields
- Add CreateTenantRequest, UpdateTenantRequest with plan, limits, settings, and metadata support
- Add TenantUserFilter, CreateTenantUserRequest, UpdateTenantUserRequest with role and status management
- Add CreateAPIKeyRequest, UpdateAPIKeyRequest with permissions, rate limits, and expiration support
- Add TenantUs
- Add TenantAnalyticsService struct with repository, metrics collector, event publisher, and logger fields
- Add GetTenantDashboard with usage stats, metrics, recent events, and quota status aggregation
- Add GetTenantMetrics with active users, request tracking, error rate calculation, response time analysis, and health score computation
- Add GetUsageAnalytics with time range filtering, resource type breakdown
- Update CurrencyHandler.exchangeService field from *currency.ExchangeRateService to currency.ExchangeRateService interface
- Update NewCurrencyHandler parameter from *currency.ExchangeRateService to currency.ExchangeRateService interface
- Update RatePlanHandler.service field from *rateplan.Service to rateplan.Service interface
- Update NewRatePlanHandler parameter from *rateplan.Service to rateplan.Service interface
- Update Service struct to use repository.Repository interface
- Update all method signatures to use repository package types (RatePlan, RatePlanSubscription, RatePlanUsage, etc.)
- Update filter and request types to use repository package (RatePlanFilter, SubscriptionFilter, CalculateCostRequest, etc.)
- Update status constants to use repository package (SubscriptionStatusActive, PlanStatusActive, DiscountTypePercentage, DiscountTypeFixed)
- Rename internal/service to internal/services in carrier-connector
- Update service imports in selection_integration.go and smdp_integration.go
- Move currency repository files from internal/currency to internal/repository
- Move rate plan repository files from internal/rateplan to internal/repository
- Update package declarations and imports for currency domain types
- Add currency package imports
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