feat: add project workspace service

backend/internal/projects/handlers.go

@@ -0,0 +1,62 @@
+package projects
+
+import (
+	"net/http"
+	"strconv"
+
+	"github.com/gin-gonic/gin"
+)
+
+type Handler struct {
+	service *Service
+}
+
+func NewHandler(service *Service) *Handler {
+	return &Handler{service: service}
+}
+
+func (h *Handler) Register(router gin.IRouter) {
+	router.POST("/projects", h.createProject)
+	router.GET("/projects", h.listProjects)
+	router.GET("/projects/:id/dashboard", h.dashboard)
+}
+
+func (h *Handler) createProject(c *gin.Context) {
+	var input struct {
+		Name        string `json:"name"`
+		Description string `json:"description"`
+	}
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid request"})
+		return
+	}
+	project, err := h.service.CreateProject(1, input.Name, input.Description)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+	c.JSON(http.StatusCreated, project)
+}
+
+func (h *Handler) listProjects(c *gin.Context) {
+	projects, err := h.service.ListProjects(1)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to list projects"})
+		return
+	}
+	c.JSON(http.StatusOK, projects)
+}
+
+func (h *Handler) dashboard(c *gin.Context) {
+	projectID, err := strconv.ParseUint(c.Param("id"), 10, 64)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid project id"})
+		return
+	}
+	dashboard, err := h.service.Dashboard(uint(projectID))
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to load dashboard"})
+		return
+	}
+	c.JSON(http.StatusOK, dashboard)
+}

backend/internal/projects/service.go

@@ -0,0 +1,72 @@
+package projects
+
+import (
+	"errors"
+	"strings"
+
+	"gorm.io/gorm"
+	"senlinai-agent/backend/internal/domain"
+)
+
+type Service struct {
+	db *gorm.DB
+}
+
+type Dashboard struct {
+	ProjectID          uint  `json:"project_id"`
+	PendingInboxCount  int64 `json:"pending_inbox_count"`
+	OpenTaskCount      int64 `json:"open_task_count"`
+	RecentNoteCount    int64 `json:"recent_note_count"`
+	RecentSessionCount int64 `json:"recent_session_count"`
+}
+
+func NewService(database *gorm.DB) *Service {
+	return &Service{db: database}
+}
+
+func (s *Service) CreateProject(ownerID uint, name string, description string) (*domain.Project, error) {
+	name = strings.TrimSpace(name)
+	if name == "" {
+		return nil, errors.New("project name is required")
+	}
+	project := &domain.Project{OwnerID: ownerID, Name: name, Description: description}
+	return project, s.db.Create(project).Error
+}
+
+func (s *Service) ListProjects(ownerID uint) ([]domain.Project, error) {
+	var projects []domain.Project
+	err := s.db.Where("owner_id = ?", ownerID).Order("updated_at desc").Find(&projects).Error
+	return projects, err
+}
+
+func (s *Service) CreateTag(projectID uint, name string) (*domain.Tag, error) {
+	name = strings.TrimSpace(name)
+	if name == "" {
+		return nil, errors.New("tag name is required")
+	}
+	tag := &domain.Tag{ProjectID: projectID, Name: name}
+	return tag, s.db.Create(tag).Error
+}
+
+func (s *Service) ListTags(projectID uint) ([]domain.Tag, error) {
+	var tags []domain.Tag
+	err := s.db.Where("project_id = ?", projectID).Order("name asc").Find(&tags).Error
+	return tags, err
+}
+
+func (s *Service) Dashboard(projectID uint) (Dashboard, error) {
+	dashboard := Dashboard{ProjectID: projectID}
+	if err := s.db.Model(&domain.InboxItem{}).Where("project_id = ? AND status = ?", projectID, "open").Count(&dashboard.PendingInboxCount).Error; err != nil {
+		return dashboard, err
+	}
+	if err := s.db.Model(&domain.Task{}).Where("project_id = ? AND status <> ?", projectID, "done").Count(&dashboard.OpenTaskCount).Error; err != nil {
+		return dashboard, err
+	}
+	if err := s.db.Model(&domain.Note{}).Where("project_id = ?", projectID).Count(&dashboard.RecentNoteCount).Error; err != nil {
+		return dashboard, err
+	}
+	if err := s.db.Model(&domain.AISession{}).Where("project_id = ?", projectID).Count(&dashboard.RecentSessionCount).Error; err != nil {
+		return dashboard, err
+	}
+	return dashboard, nil
+}

backend/internal/projects/service_test.go

@@ -0,0 +1,57 @@
+package projects
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/glebarez/sqlite"
+	"github.com/stretchr/testify/require"
+	"gorm.io/gorm"
+	"senlinai-agent/backend/internal/domain"
+)
+
+func TestProjectTagsAreScopedToProject(t *testing.T) {
+	database := newTestDB(t)
+	service := NewService(database)
+	first, err := service.CreateProject(1, "Alpha", "")
+	require.NoError(t, err)
+	second, err := service.CreateProject(1, "Beta", "")
+	require.NoError(t, err)
+
+	_, err = service.CreateTag(first.ID, "重要")
+	require.NoError(t, err)
+	_, err = service.CreateTag(second.ID, "重要")
+	require.NoError(t, err)
+
+	firstTags, err := service.ListTags(first.ID)
+	require.NoError(t, err)
+	require.Len(t, firstTags, 1)
+	require.Equal(t, first.ID, firstTags[0].ProjectID)
+}
+
+func TestDashboardCountsOnlyRequestedProject(t *testing.T) {
+	database := newTestDB(t)
+	service := NewService(database)
+	first, err := service.CreateProject(1, "Alpha", "")
+	require.NoError(t, err)
+	second, err := service.CreateProject(1, "Beta", "")
+	require.NoError(t, err)
+	require.NoError(t, database.Create(&domain.InboxItem{ProjectID: first.ID, CreatedBy: 1, SourceType: "text", Status: "open"}).Error)
+	require.NoError(t, database.Create(&domain.InboxItem{ProjectID: second.ID, CreatedBy: 1, SourceType: "text", Status: "open"}).Error)
+	require.NoError(t, database.Create(&domain.Task{ProjectID: first.ID, CreatedBy: 1, Title: "A", Status: "open"}).Error)
+	require.NoError(t, database.Create(&domain.Task{ProjectID: second.ID, CreatedBy: 1, Title: "B", Status: "open"}).Error)
+
+	dashboard, err := service.Dashboard(first.ID)
+
+	require.NoError(t, err)
+	require.Equal(t, int64(1), dashboard.PendingInboxCount)
+	require.Equal(t, int64(1), dashboard.OpenTaskCount)
+}
+
+func newTestDB(t *testing.T) *gorm.DB {
+	t.Helper()
+	database, err := gorm.Open(sqlite.Open(fmt.Sprintf("file:%s?mode=memory&cache=shared", t.Name())), &gorm.Config{})
+	require.NoError(t, err)
+	require.NoError(t, domain.AutoMigrate(database))
+	return database
+}