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Rewrite Tracks application in Golang
This commit introduces a complete rewrite of the Tracks GTD application in Go (Golang), providing a modern, performant alternative to the Ruby on Rails implementation. ## Architecture & Technology Stack - Language: Go 1.21+ - Web Framework: Gin - ORM: GORM with SQLite/MySQL/PostgreSQL support - Authentication: JWT with bcrypt password hashing - Clean Architecture: Separated models, services, handlers, and middleware ## Implemented Features ### Core Models - User: Authentication and user management - Context: GTD contexts (@home, @work, etc.) - Project: Project grouping and tracking - Todo: Task management with state machine (active, completed, deferred, pending) - Tag: Flexible tagging system with polymorphic associations - Dependency: Todo dependencies with circular dependency detection - Preference: User preferences and settings - Note: Project notes - Attachment: File attachment support (model only) - RecurringTodo: Recurring task template (model only) ### API Endpoints **Authentication:** - POST /api/auth/login - User login - POST /api/auth/register - User registration - POST /api/auth/logout - User logout - GET /api/me - Get current user **Todos:** - GET /api/todos - List todos with filtering - POST /api/todos - Create todo - GET /api/todos/:id - Get todo details - PUT /api/todos/:id - Update todo - DELETE /api/todos/:id - Delete todo - POST /api/todos/:id/complete - Mark as completed - POST /api/todos/:id/activate - Mark as active - POST /api/todos/:id/defer - Defer to future date - POST /api/todos/:id/dependencies - Add dependency - DELETE /api/todos/:id/dependencies/:successor_id - Remove dependency **Projects:** - GET /api/projects - List projects - POST /api/projects - Create project - GET /api/projects/:id - Get project details - PUT /api/projects/:id - Update project - DELETE /api/projects/:id - Delete project - POST /api/projects/:id/complete - Complete project - POST /api/projects/:id/activate - Activate project - POST /api/projects/:id/hide - Hide project - POST /api/projects/:id/review - Mark as reviewed - GET /api/projects/:id/stats - Get project statistics **Contexts:** - GET /api/contexts - List contexts - POST /api/contexts - Create context - GET /api/contexts/:id - Get context details - PUT /api/contexts/:id - Update context - DELETE /api/contexts/:id - Delete context - POST /api/contexts/:id/hide - Hide context - POST /api/contexts/:id/activate - Activate context - POST /api/contexts/:id/close - Close context - GET /api/contexts/:id/stats - Get context statistics ### Business Logic **Todo State Management:** - Active: Ready to work on - Completed: Finished tasks - Deferred: Future actions (show_from date) - Pending: Blocked by dependencies **Dependency Management:** - Create blocking relationships between todos - Automatic state transitions when blocking todos complete - Circular dependency detection - Automatic unblocking when prerequisites complete **Tag System:** - Polymorphic tagging for todos and recurring todos - Automatic tag creation on first use - Tag cloud support **Project & Context Tracking:** - State management (active, hidden, closed/completed) - Statistics and health indicators - Review tracking for projects ### Infrastructure **Configuration:** - Environment-based configuration - Support for SQLite, MySQL, and PostgreSQL - Configurable JWT secrets and token expiry - Flexible server settings **Database:** - GORM for ORM - Automatic migrations - Connection pooling - Multi-database support **Authentication & Security:** - JWT-based authentication - Bcrypt password hashing - Secure cookie support - Token refresh mechanism **Docker Support:** - Multi-stage Dockerfile for optimized builds - Docker Compose with PostgreSQL - Volume mounting for data persistence - Production-ready configuration ## Project Structure ``` cmd/tracks/ # Application entry point internal/ config/ # Configuration management database/ # Database setup and migrations handlers/ # HTTP request handlers middleware/ # Authentication middleware models/ # Database models services/ # Business logic layer ``` ## Documentation - README_GOLANG.md: Comprehensive documentation - .env.example: Configuration template - API documentation included in README - Code comments for complex logic ## Future Work The following features from the original Rails app are not yet implemented: - Recurring todo instantiation logic - Email integration (Mailgun/CloudMailin) - Advanced statistics and analytics - Import/Export functionality (CSV, YAML, XML) - File upload handling for attachments - Mobile views - RSS/Atom feeds - iCalendar export ## Benefits Over Rails Version - Performance: Compiled binary, lower resource usage - Deployment: Single binary, no runtime dependencies - Type Safety: Compile-time type checking - Concurrency: Better handling of concurrent requests - Memory: Lower memory footprint - Portability: Easy cross-platform compilation ## Testing The code structure supports testing, though tests are not yet implemented. Future work includes adding unit and integration tests.
This commit is contained in:
Claude
parent
6613d33f10
commit
f0eb4bdef5
29 changed files with 4100 additions and 104 deletions
220
internal/services/context_service.go
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internal/services/context_service.go
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package services
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import (
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"errors"
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"fmt"
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"github.com/TracksApp/tracks/internal/database"
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"github.com/TracksApp/tracks/internal/models"
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"gorm.io/gorm"
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)
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// ContextService handles context business logic
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type ContextService struct{}
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// NewContextService creates a new ContextService
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func NewContextService() *ContextService {
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return &ContextService{}
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}
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// CreateContextRequest represents a context creation request
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type CreateContextRequest struct {
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Name string `json:"name" binding:"required"`
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}
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// UpdateContextRequest represents a context update request
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type UpdateContextRequest struct {
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Name *string `json:"name"`
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Position *int `json:"position"`
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State *string `json:"state"`
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}
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// GetContexts returns all contexts for a user
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func (s *ContextService) GetContexts(userID uint, state models.ContextState) ([]models.Context, error) {
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var contexts []models.Context
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query := database.DB.Where("user_id = ?", userID)
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if state != "" {
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query = query.Where("state = ?", state)
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}
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if err := query.
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Order("position ASC, name ASC").
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Find(&contexts).Error; err != nil {
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return nil, err
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}
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return contexts, nil
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}
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// GetContext returns a single context by ID
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func (s *ContextService) GetContext(userID, contextID uint) (*models.Context, error) {
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var context models.Context
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if err := database.DB.
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Where("id = ? AND user_id = ?", contextID, userID).
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First(&context).Error; err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, fmt.Errorf("context not found")
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}
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return nil, err
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}
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return &context, nil
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}
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// CreateContext creates a new context
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func (s *ContextService) CreateContext(userID uint, req CreateContextRequest) (*models.Context, error) {
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context := models.Context{
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UserID: userID,
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Name: req.Name,
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State: models.ContextStateActive,
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}
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if err := database.DB.Create(&context).Error; err != nil {
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return nil, err
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}
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return s.GetContext(userID, context.ID)
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}
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// UpdateContext updates a context
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func (s *ContextService) UpdateContext(userID, contextID uint, req UpdateContextRequest) (*models.Context, error) {
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context, err := s.GetContext(userID, contextID)
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if err != nil {
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return nil, err
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}
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if req.Name != nil {
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context.Name = *req.Name
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}
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if req.Position != nil {
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context.Position = *req.Position
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}
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if req.State != nil {
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context.State = models.ContextState(*req.State)
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}
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if err := database.DB.Save(&context).Error; err != nil {
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return nil, err
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}
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return s.GetContext(userID, contextID)
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}
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// DeleteContext deletes a context
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func (s *ContextService) DeleteContext(userID, contextID uint) error {
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context, err := s.GetContext(userID, contextID)
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if err != nil {
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return err
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}
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// Check if context has active todos
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var activeTodoCount int64
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database.DB.Model(&models.Todo{}).
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Where("context_id = ? AND state = ?", contextID, models.TodoStateActive).
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Count(&activeTodoCount)
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if activeTodoCount > 0 {
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return fmt.Errorf("cannot delete context with active todos")
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}
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return database.DB.Delete(&context).Error
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}
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// HideContext marks a context as hidden
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func (s *ContextService) HideContext(userID, contextID uint) (*models.Context, error) {
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context, err := s.GetContext(userID, contextID)
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if err != nil {
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return nil, err
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}
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context.Hide()
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if err := database.DB.Save(&context).Error; err != nil {
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return nil, err
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}
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return s.GetContext(userID, contextID)
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}
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// ActivateContext marks a context as active
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func (s *ContextService) ActivateContext(userID, contextID uint) (*models.Context, error) {
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context, err := s.GetContext(userID, contextID)
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if err != nil {
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return nil, err
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}
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context.Activate()
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if err := database.DB.Save(&context).Error; err != nil {
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return nil, err
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}
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return s.GetContext(userID, contextID)
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}
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// CloseContext marks a context as closed
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func (s *ContextService) CloseContext(userID, contextID uint) (*models.Context, error) {
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context, err := s.GetContext(userID, contextID)
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if err != nil {
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return nil, err
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}
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// Check if context has active todos
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var activeTodoCount int64
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database.DB.Model(&models.Todo{}).
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Where("context_id = ? AND state = ?", contextID, models.TodoStateActive).
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Count(&activeTodoCount)
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if activeTodoCount > 0 {
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return nil, fmt.Errorf("cannot close context with active todos")
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}
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context.Close()
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if err := database.DB.Save(&context).Error; err != nil {
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return nil, err
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}
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return s.GetContext(userID, contextID)
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}
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// GetContextStats returns statistics for a context
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func (s *ContextService) GetContextStats(userID, contextID uint) (map[string]interface{}, error) {
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context, err := s.GetContext(userID, contextID)
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if err != nil {
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return nil, err
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}
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stats := make(map[string]interface{})
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// Count todos by state
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var activeTodos, completedTodos, deferredTodos, pendingTodos int64
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database.DB.Model(&models.Todo{}).
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Where("context_id = ? AND state = ?", contextID, models.TodoStateActive).
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Count(&activeTodos)
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database.DB.Model(&models.Todo{}).
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Where("context_id = ? AND state = ?", contextID, models.TodoStateCompleted).
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Count(&completedTodos)
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database.DB.Model(&models.Todo{}).
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Where("context_id = ? AND state = ?", contextID, models.TodoStateDeferred).
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Count(&deferredTodos)
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database.DB.Model(&models.Todo{}).
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Where("context_id = ? AND state = ?", contextID, models.TodoStatePending).
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Count(&pendingTodos)
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stats["context"] = context
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stats["active_todos"] = activeTodos
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stats["completed_todos"] = completedTodos
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stats["deferred_todos"] = deferredTodos
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stats["pending_todos"] = pendingTodos
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stats["total_todos"] = activeTodos + completedTodos + deferredTodos + pendingTodos
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return stats, nil
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}
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