feat: add inbox capture workflow

backend/internal/inbox/service.go

@@ -0,0 +1,100 @@
+package inbox
+
+import (
+	"errors"
+
+	"gorm.io/gorm"
+	"senlinai-agent/backend/internal/domain"
+)
+
+type CaptureInput struct {
+	ProjectID  uint
+	UserID     uint
+	SourceType string
+	Title      string
+	Body       string
+}
+
+type Suggestion struct {
+	Kind  string `json:"kind"`
+	Title string `json:"title"`
+	Body  string `json:"body"`
+}
+
+type Analyzer interface {
+	Analyze(item domain.InboxItem, userID uint) ([]Suggestion, error)
+}
+
+type StaticAnalyzer struct {
+	Suggestions []Suggestion
+}
+
+func (a StaticAnalyzer) Analyze(item domain.InboxItem, userID uint) ([]Suggestion, error) {
+	return a.Suggestions, nil
+}
+
+type Service struct {
+	db       *gorm.DB
+	analyzer Analyzer
+}
+
+func NewService(database *gorm.DB, analyzer Analyzer) *Service {
+	return &Service{db: database, analyzer: analyzer}
+}
+
+func (s *Service) Capture(input CaptureInput) (*domain.InboxItem, error) {
+	if input.ProjectID == 0 || input.UserID == 0 {
+		return nil, errors.New("project and user are required")
+	}
+	if input.SourceType == "" {
+		return nil, errors.New("source type is required")
+	}
+	item := &domain.InboxItem{
+		ProjectID:  input.ProjectID,
+		CreatedBy:  input.UserID,
+		SourceType: input.SourceType,
+		Title:      input.Title,
+		Body:       input.Body,
+		Status:     "open",
+	}
+	return item, s.db.Create(item).Error
+}
+
+func (s *Service) Analyze(itemID uint, userID uint) ([]Suggestion, error) {
+	var item domain.InboxItem
+	if err := s.db.First(&item, itemID).Error; err != nil {
+		return nil, err
+	}
+	if s.analyzer == nil {
+		return []Suggestion{}, nil
+	}
+	return s.analyzer.Analyze(item, userID)
+}
+
+func (s *Service) Confirm(itemID uint, selected []Suggestion) error {
+	return s.db.Transaction(func(tx *gorm.DB) error {
+		var item domain.InboxItem
+		if err := tx.First(&item, itemID).Error; err != nil {
+			return err
+		}
+		for _, suggestion := range selected {
+			switch suggestion.Kind {
+			case "task":
+				if err := tx.Create(&domain.Task{ProjectID: item.ProjectID, CreatedBy: item.CreatedBy, Title: suggestion.Title, Description: suggestion.Body}).Error; err != nil {
+					return err
+				}
+			case "note":
+				if err := tx.Create(&domain.Note{ProjectID: item.ProjectID, CreatedBy: item.CreatedBy, Title: suggestion.Title, Markdown: suggestion.Body}).Error; err != nil {
+					return err
+				}
+			case "source":
+				if err := tx.Create(&domain.Source{ProjectID: item.ProjectID, CreatedBy: item.CreatedBy, Kind: "link", Title: suggestion.Title, ContentText: suggestion.Body}).Error; err != nil {
+					return err
+				}
+			default:
+				return errors.New("unsupported suggestion kind")
+			}
+		}
+		return tx.Model(&item).Update("status", "processed").Error
+	})
+}