1 files changed, 101 insertions, 0 deletions
diff --git a/bridge/core/export.go b/bridge/core/export.go
new file mode 100644
index 00000000..080ced80
--- /dev/null
+++ b/bridge/core/export.go
@@ -0,0 +1,101 @@
+package core
+
+import "fmt"
+
+type ExportEvent int
+
+const (
+	_ ExportEvent = iota
+	ExportEventBug
+	ExportEventComment
+	ExportEventCommentEdition
+	ExportEventStatusChange
+	ExportEventTitleEdition
+	ExportEventLabelChange
+	ExportEventNothing
+)
+
+type ExportResult struct {
+	Err    error
+	Event  ExportEvent
+	ID     string
+	Reason string
+}
+
+func (er ExportResult) String() string {
+	switch er.Event {
+	case ExportEventBug:
+		return "new issue"
+	case ExportEventComment:
+		return "new comment"
+	case ExportEventCommentEdition:
+		return "updated comment"
+	case ExportEventStatusChange:
+		return "changed status"
+	case ExportEventTitleEdition:
+		return "changed title"
+	case ExportEventLabelChange:
+		return "changed label"
+	case ExportEventNothing:
+		return fmt.Sprintf("no event: %v", er.Reason)
+	default:
+		panic("unknown export result")
+	}
+}
+
+func NewExportError(err error, reason string) ExportResult {
+	return ExportResult{
+		Err:    err,
+		Reason: reason,
+	}
+}
+
+func NewExportNothing(id string, reason string) ExportResult {
+	return ExportResult{
+		ID:     id,
+		Reason: reason,
+		Event:  ExportEventNothing,
+	}
+}
+
+func NewExportBug(id string) ExportResult {
+	return ExportResult{
+		ID:    id,
+		Event: ExportEventBug,
+	}
+}
+
+func NewExportComment(id string) ExportResult {
+	return ExportResult{
+		ID:    id,
+		Event: ExportEventComment,
+	}
+}
+
+func NewExportCommentEdition(id string) ExportResult {
+	return ExportResult{
+		ID:    id,
+		Event: ExportEventCommentEdition,
+	}
+}
+
+func NewExportStatusChange(id string) ExportResult {
+	return ExportResult{
+		ID:    id,
+		Event: ExportEventStatusChange,
+	}
+}
+
+func NewExportLabelChange(id string) ExportResult {
+	return ExportResult{
+		ID:    id,
+		Event: ExportEventLabelChange,
+	}
+}
+
+func NewExportTitleEdition(id string) ExportResult {
+	return ExportResult{
+		ID:    id,
+		Event: ExportEventTitleEdition,
+	}
+}