1 files changed, 98 insertions, 0 deletions
diff --git a/bridge/gitlab/import_notes.go b/bridge/gitlab/import_notes.go
new file mode 100644
index 00000000..85da3158
--- /dev/null
+++ b/bridge/gitlab/import_notes.go
@@ -0,0 +1,98 @@
+package gitlab
+
+import (
+	"strings"
+
+	"github.com/xanzy/go-gitlab"
+)
+
+type NoteType int
+
+const (
+	_ NoteType = iota
+	NOTE_COMMENT
+	NOTE_TITLE_CHANGED
+	NOTE_DESCRIPTION_CHANGED
+	NOTE_CLOSED
+	NOTE_REOPENED
+	NOTE_LOCKED
+	NOTE_UNLOCKED
+	NOTE_CHANGED_DUEDATE
+	NOTE_REMOVED_DUEDATE
+	NOTE_ASSIGNED
+	NOTE_UNASSIGNED
+	NOTE_CHANGED_MILESTONE
+	NOTE_REMOVED_MILESTONE
+	NOTE_UNKNOWN
+)
+
+// GetNoteType parse a note system and body and return the note type and it content
+func GetNoteType(n *gitlab.Note) (NoteType, string) {
+	// when a note is a comment system is set to false
+	// when a note is a different event system is set to true
+	// because Gitlab
+	if !n.System {
+		return NOTE_COMMENT, n.Body
+	}
+
+	if n.Body == "closed" {
+		return NOTE_CLOSED, ""
+	}
+
+	if n.Body == "reopened" {
+		return NOTE_REOPENED, ""
+	}
+
+	if n.Body == "changed the description" {
+		return NOTE_DESCRIPTION_CHANGED, ""
+	}
+
+	if n.Body == "locked this issue" {
+		return NOTE_LOCKED, ""
+	}
+
+	if n.Body == "unlocked this issue" {
+		return NOTE_UNLOCKED, ""
+	}
+
+	if strings.HasPrefix(n.Body, "changed title from") {
+		return NOTE_TITLE_CHANGED, getNewTitle(n.Body)
+	}
+
+	if strings.HasPrefix(n.Body, "changed due date to") {
+		return NOTE_CHANGED_DUEDATE, ""
+	}
+
+	if n.Body == "removed due date" {
+		return NOTE_REMOVED_DUEDATE, ""
+	}
+
+	if strings.HasPrefix(n.Body, "assigned to @") {
+		return NOTE_ASSIGNED, ""
+	}
+
+	if strings.HasPrefix(n.Body, "unassigned @") {
+		return NOTE_UNASSIGNED, ""
+	}
+
+	if strings.HasPrefix(n.Body, "changed milestone to %") {
+		return NOTE_CHANGED_MILESTONE, ""
+	}
+
+	if strings.HasPrefix(n.Body, "removed milestone") {
+		return NOTE_REMOVED_MILESTONE, ""
+	}
+
+	return NOTE_UNKNOWN, ""
+}
+
+// getNewTitle parses body diff given by gitlab api and return it final form
+// examples: "changed title from **fourth issue** to **fourth issue{+ changed+}**"
+//           "changed title from **fourth issue{- changed-}** to **fourth issue**"
+// because Gitlab
+func getNewTitle(diff string) string {
+	newTitle := strings.Split(diff, "** to **")[1]
+	newTitle = strings.Replace(newTitle, "{+", "", -1)
+	newTitle = strings.Replace(newTitle, "+}", "", -1)
+	return strings.TrimSuffix(newTitle, "**")
+}