feat: add dashboard statistics functionality #55
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- Introduced DashboardStatsRequest DTO for handling dashboard statistics requests. - Implemented PercentageChange, DashboardStats, RecentOrderSummary, and TopProductSummary DTOs for structured data representation. - Enhanced OrderRepository with methods to retrieve total revenue, total orders, recent orders summary, and top products summary by date range. - Updated ProductRepository to include methods for counting total products and low stock products. - Enhanced UserRepository with methods to count total customers and new customers within a date range. - Created DashboardHandler to manage HTTP requests related to dashboard statistics. - Added new routes for dashboard statistics in the API server. - Removed deprecated API client code to streamline the codebase. - Updated TypeScript DTOs to reflect the new dashboard statistics structure.
Dashboard stats
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This pull request introduces a comprehensive backend implementation for dashboard statistics, including business logic, data transfer objects, repository interface extensions, and dependency injection for new dashboard functionality. The most important changes are grouped below.
Dashboard Statistics Feature Implementation
DashboardUseCaseininternal/application/usecase/dashboard_usecase.goto aggregate key dashboard metrics (revenue, orders, customers, products, etc.) for a given time period, including logic for period-over-period comparison.internal/domain/dto/dashboard.gofor dashboard stats requests, responses, and summary types for recent orders and top products.Repository Interface Extensions
OrderRepository,ProductRepository, andUserRepositoryinterfaces to support dashboard statistics queries such as total revenue, total orders, customer counts, new customers, product counts, and low stock products. [1] [2] [3]Dependency Injection and Handler Integration
Documentation
docs/dashboard_api_examples.mddocumenting the new dashboard API endpoint, request/response formats, and error handling.Repository Implementation Adjustments
Other Minor Changes
tygocode generation command. [1] [2]