server/cmd/commands/list_tasks.go

package commands

import (
	"context"
	"fmt"
	"strings"

	"github.com/iomodo/staff/tm"
	"github.com/spf13/cobra"
)

var listTasksCmd = &cobra.Command{
	Use:   "list-tasks",
	Short: "List all tasks",
	Long: `List all tasks with optional filtering by status, priority, or assignee.

Examples:
  staff list-tasks
  staff list-tasks --status todo
  staff list-tasks --priority high
  staff list-tasks --assignee backend-engineer`,
	RunE: runListTasks,
}

var (
	filterStatus   string
	filterPriority string
	filterAssignee string
	pageSize       int = 20
	pageNum        int = 0
)

func init() {
	listTasksCmd.Flags().StringVar(&filterStatus, "status", "", "Filter by status (todo, in_progress, completed, archived)")
	listTasksCmd.Flags().StringVar(&filterPriority, "priority", "", "Filter by priority (low, medium, high)")
	listTasksCmd.Flags().StringVar(&filterAssignee, "assignee", "", "Filter by assignee")
	listTasksCmd.Flags().IntVar(&pageSize, "page-size", 20, "Number of tasks per page")
	listTasksCmd.Flags().IntVar(&pageNum, "page", 0, "Page number (0-based)")
}

func runListTasks(cmd *cobra.Command, args []string) error {
	// Build filter
	filter := &tm.TaskFilter{}
	
	if filterStatus != "" {
		status := tm.TaskStatus(filterStatus)
		filter.Status = &status
	}
	
	if filterPriority != "" {
		priority := tm.TaskPriority(filterPriority)
		filter.Priority = &priority
	}

	// Get tasks
	taskList, err := taskManager.ListTasks(context.Background(), filter, pageNum, pageSize)
	if err != nil {
		return fmt.Errorf("failed to list tasks: %w", err)
	}

	// Filter by assignee if specified (not in TaskFilter interface yet)
	var filteredTasks []*tm.Task
	if filterAssignee != "" {
		for _, task := range taskList.Tasks {
			if task.Assignee == filterAssignee {
				filteredTasks = append(filteredTasks, task)
			}
		}
	} else {
		filteredTasks = taskList.Tasks
	}

	// Display results
	if len(filteredTasks) == 0 {
		fmt.Println("No tasks found")
		return nil
	}

	fmt.Printf("Found %d tasks (page %d/%d)\n\n", len(filteredTasks), pageNum+1, (taskList.TotalCount+pageSize-1)/pageSize)

	// Display tasks in table format
	fmt.Printf("%-20s %-10s %-10s %-15s %-50s\n", "ID", "Status", "Priority", "Assignee", "Title")
	fmt.Printf("%s\n", strings.Repeat("-", 110))

	for _, task := range filteredTasks {
		assignee := task.Assignee
		if assignee == "" {
			assignee = "unassigned"
		}
		
		title := task.Title
		if len(title) > 47 {
			title = title[:47] + "..."
		}

		fmt.Printf("%-20s %-10s %-10s %-15s %-50s\n", 
			task.ID, 
			string(task.Status), 
			string(task.Priority), 
			assignee, 
			title)
	}

	if taskList.HasMore {
		fmt.Printf("\nUse --page %d to see more tasks\n", pageNum+1)
	}

	return nil
}