Use a method call to move the swimlane server side

server/publications/swimlanes.js

@@ -0,0 +1,52 @@
+Meteor.methods({
+  moveSwimlane(swimlaneId, toBoardId) {
+    check(swimlaneId, String);
+    check(toBoardId, String);
+
+    const swimlane = Swimlanes.findOne(swimlaneId);
+    const board = Boards.findOne(toBoardId);
+
+    if (swimlane && board) {
+      swimlane.lists().forEach(list => {
+        const boardList = Lists.findOne({
+          boardId: toBoardId,
+          title: list.title,
+          archived: false,
+        });
+
+        let toListId;
+        if (boardList) {
+          toListId = boardList._id;
+        } else {
+          toListId = Lists.insert({
+            title: list.title,
+            boardId: toBoardId,
+            type: list.type,
+            archived: false,
+            wipLimit: list.wipLimit,
+          });
+        }
+
+        Cards.find({
+          listId: list._id,
+          swimlaneId,
+        }).forEach(card => {
+          card.move(toBoardId, swimlaneId, toListId);
+        });
+      });
+
+      Swimlanes.update(swimlaneId, {
+        $set: {
+          boardId: toBoardId,
+        },
+      });
+
+      // make sure there is a default swimlane
+      this.board().getDefaultSwimline();
+
+      return true;
+    }
+
+    return false;
+  },
+});