Fetch Activity events

management/server/activity/event.go

@@ -0,0 +1,85 @@
+package activity
+
+import "time"
+
+const (
+	// DeviceEvent describes an event that happened of a device (e.g, connected/disconnected)
+	DeviceEvent Type = "device"
+	// ManagementEvent describes an event that happened on a Management service (e.g., user added)
+	ManagementEvent Type = "management"
+)
+
+const (
+	AddPeerByUserOperation Operation = iota
+	AddPeerWithKeyOperation
+	UserJoinedOperation
+)
+
+const (
+	AddPeerByUserOperationMessage  string = "Add new peer"
+	AddPeerWithKeyOperationMessage string = AddPeerByUserOperationMessage
+	UserJoinedOperationMessage     string = "New user joined"
+)
+
+// MessageForOperation returns a string message for an Operation
+func MessageForOperation(op Operation) string {
+	switch op {
+	case AddPeerByUserOperation:
+		return AddPeerByUserOperationMessage
+	case AddPeerWithKeyOperation:
+		return AddPeerWithKeyOperationMessage
+	case UserJoinedOperation:
+		return UserJoinedOperationMessage
+	default:
+		return "UNKNOWN_OPERATION"
+	}
+}
+
+// Type of the Event
+type Type string
+
+// Operation is an action that triggered an Event
+type Operation int
+
+// Store provides an interface to store or stream events.
+type Store interface {
+	// Save an event in the store
+	Save(event *Event) (*Event, error)
+	// Get returns "limit" number of events from the "offset" index ordered descending or ascending by a timestamp
+	Get(accountID string, offset, limit int, descending bool) ([]*Event, error)
+	// Close the sink flushing events if necessary
+	Close() error
+}
+
+// Event represents a network/system activity event.
+type Event struct {
+	// Timestamp of the event
+	Timestamp time.Time
+	// Operation that was performed during the event
+	Operation string
+	// OperationCode that was performed during the event
+	OperationCode Operation
+	// ID of the event (can be empty, meaning that it wasn't yet generated)
+	ID uint64
+	// Type of the event
+	Type Type
+	// ModifierID is the ID of an object that modifies a Target
+	ModifierID string
+	// TargetID is the ID of an object that a Modifier modifies
+	TargetID string
+	// AccountID where event happened
+	AccountID string
+}
+
+// Copy the event
+func (e *Event) Copy() *Event {
+	return &Event{
+		Timestamp:  e.Timestamp,
+		Operation:  e.Operation,
+		ID:         e.ID,
+		Type:       e.Type,
+		ModifierID: e.ModifierID,
+		TargetID:   e.TargetID,
+		AccountID:  e.AccountID,
+	}
+}