Fix 5xx on document type order

Signed-off-by: Bryan Frimin <bryan@getprobo.com>

pkg/coredata/document.go

@@ -47,6 +47,8 @@ func (p Document) CursorKey(orderBy DocumentOrderField) page.CursorKey {
 		return page.NewCursorKey(p.ID, p.CreatedAt)
 	case DocumentOrderFieldTitle:
 		return page.NewCursorKey(p.ID, p.Title)
+	case DocumentOrderFieldDocumentType:
+		return page.NewCursorKey(p.ID, p.DocumentType)
 	}
 
 	panic(fmt.Sprintf("unsupported order by: %s", orderBy))

pkg/coredata/document_order_field.go

@@ -19,8 +19,9 @@ type (
 )
 
 const (
-	DocumentOrderFieldCreatedAt DocumentOrderField = "CREATED_AT"
-	DocumentOrderFieldTitle     DocumentOrderField = "TITLE"
+	DocumentOrderFieldCreatedAt    DocumentOrderField = "CREATED_AT"
+	DocumentOrderFieldTitle        DocumentOrderField = "TITLE"
+	DocumentOrderFieldDocumentType DocumentOrderField = "DOCUMENT_TYPE"
 )
 
 func (p DocumentOrderField) Column() string {