Add support for converting checklists

pkg/modules/migration/trello/trello.go

@@ -102,7 +102,7 @@ func getTrelloData(token string) (trelloData []*trello.Board, err error) {
 			listMap[list.ID] = list
 		}
 
-		cards, err := board.GetCards(trello.Defaults())
+		cards, err := board.GetCards(trello.Arguments{"fields": "all"})
 		if err != nil {
 			return nil, err
 		}
@@ -164,9 +164,19 @@ func convertTrelloDataToVikunja(trelloData []*trello.Board) (fullVikunjaHierachi
 				}
 
 				// Checklists (as markdown in description)
-				//for _, checklist := range card.Checklists {
-				//
-				//}
+				for _, checklist := range card.Checklists {
+					task.Description += "\n\n## " + checklist.Name + "\n"
+
+					for _, item := range checklist.CheckItems {
+						task.Description += "\n* "
+						if item.State == "completed" {
+							task.Description += "[x]"
+						} else {
+							task.Description += "[ ]"
+						}
+						task.Description += " " + item.Name
+					}
+				}
 
 				// Labels
 				for _, label := range card.Labels {

pkg/modules/migration/trello/trello_test.go

@@ -75,6 +75,34 @@ func TestConvertTrelloToVikunja(t *testing.T) {
 						{
 							Name: "Test Card 2",
 							Pos:  124,
+							Checklists: []*trello.Checklist{
+								{
+									Name: "Checklist 1",
+									CheckItems: []trello.CheckItem{
+										{
+											State: "pending",
+											Name:  "Pending Task",
+										},
+										{
+											State: "completed",
+											Name:  "Completed Task",
+										},
+									},
+								},
+								{
+									Name: "Checklist 2",
+									CheckItems: []trello.CheckItem{
+										{
+											State: "pending",
+											Name:  "Pending Task",
+										},
+										{
+											State: "pending",
+											Name:  "Another Pending Task",
+										},
+									},
+								},
+							},
 						},
 						{
 							Name: "Test Card 3",
@@ -205,7 +233,18 @@ func TestConvertTrelloToVikunja(t *testing.T) {
 							},
 						},
 						{
-							Title:    "Test Card 2",
+							Title: "Test Card 2",
+							Description: `
+
+## Checklist 1
+
+* [ ] Pending Task
+* [x] Completed Task
+
+## Checklist 2
+
+* [ ] Pending Task
+* [ ] Another Pending Task`,
 							BucketID: 1,
 							Position: 124,
 						},