today dashboard: activity_events, ListTodayView with events timeline, frontend TodayDashboard separated from sidebar

internal/core/activity/activity.go

@@ -0,0 +1,116 @@
+package activity
+
+import (
+	"time"
+
+	"verstak/internal/core/storage"
+	"verstak/internal/core/util"
+)
+
+// Event types.
+const (
+	TypeNoteCreated  = "note_created"
+	TypeNoteUpdated  = "note_updated"
+	TypeFileAdded    = "file_added"
+	TypeFileDeleted  = "file_deleted"
+	TypeFileRenamed  = "file_renamed"
+	TypeFileCopied   = "file_copied"
+	TypeFileMoved    = "file_moved"
+	TypeFolderAdded  = "folder_added"
+	TypeFolderDeleted = "folder_deleted"
+	TypeFolderRenamed = "folder_renamed"
+	TypeNodeCreated  = "node_created"
+	TypeNodeUpdated  = "node_updated"
+)
+
+// Event represents an activity event.
+type Event struct {
+	ID        string `json:"id"`
+	NodeID    string `json:"node_id"`
+	ParentID  string `json:"parent_id,omitempty"`
+	EventType string `json:"event_type"`
+	Title     string `json:"title"`
+	Metadata  string `json:"metadata"`
+	CreatedAt string `json:"created_at"`
+}
+
+// Service records and queries activity events.
+type Service struct {
+	db *storage.DB
+}
+
+func NewService(db *storage.DB) *Service {
+	return &Service{db: db}
+}
+
+// Record inserts a new activity event.
+func (s *Service) Record(nodeID, parentID, eventType, title, metadata string) error {
+	id := util.UUID7()
+	now := time.Now().UTC().Format(time.RFC3339)
+	if metadata == "" {
+		metadata = "{}"
+	}
+	if parentID != "" {
+		_, err := s.db.Exec(
+			`INSERT INTO activity_events(id,node_id,parent_id,event_type,title,metadata,created_at)
+			 VALUES(?,?,?,?,?,?,?)`,
+			id, nodeID, parentID, eventType, title, metadata, now)
+		return err
+	}
+	_, err := s.db.Exec(
+		`INSERT INTO activity_events(id,node_id,event_type,title,metadata,created_at)
+		 VALUES(?,?,?,?,?,?)`,
+		id, nodeID, eventType, title, metadata, now)
+	return err
+}
+
+// todayBoundaries returns the current local day in UTC.
+// TodayBoundaries returns the current local day in UTC as RFC3339 strings.
+func TodayBoundaries() (string, string) {
+	now := time.Now()
+	y, m, d := now.Date()
+	start := time.Date(y, m, d, 0, 0, 0, 0, now.Location())
+	end := start.Add(24 * time.Hour)
+	return start.UTC().Format(time.RFC3339), end.UTC().Format(time.RFC3339)
+}
+
+// ListTodayEvents returns all activity events from today.
+func (s *Service) ListTodayEvents() ([]Event, error) {
+	start, end := TodayBoundaries()
+	rows, err := s.db.Query(
+		`SELECT id,node_id,COALESCE(parent_id,''),event_type,title,metadata,created_at
+		 FROM activity_events
+		 WHERE created_at >= ? AND created_at < ?
+		 ORDER BY created_at DESC`, start, end)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var events []Event
+	for rows.Next() {
+		var e Event
+		if err := rows.Scan(&e.ID, &e.NodeID, &e.ParentID, &e.EventType, &e.Title, &e.Metadata, &e.CreatedAt); err != nil {
+			return nil, err
+		}
+		events = append(events, e)
+	}
+	return events, rows.Err()
+}
+
+// ListTodayEventsByParent returns activity events grouped by parent node.
+func (s *Service) ListTodayEventsByParent() (map[string][]Event, error) {
+	events, err := s.ListTodayEvents()
+	if err != nil {
+		return nil, err
+	}
+	grouped := make(map[string][]Event, 8)
+	for _, e := range events {
+		pid := e.ParentID
+		if pid == "" {
+			pid = e.NodeID
+		}
+		grouped[pid] = append(grouped[pid], e)
+	}
+	return grouped, nil
+}
+