Fix inserting task structure with related tasks (#142)

Fix typo

Fix creating related tasks

Add better logging

Fix inserting task structure with related tasks

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/api/pulls/142

pkg/modules/migration/create_from_structure_test.go

@@ -0,0 +1,80 @@
+// Vikunja is a todo-list application to facilitate your life.
+// Copyright 2018-2020 Vikunja and contributors. All rights reserved.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package migration
+
+import (
+	"code.vikunja.io/api/pkg/db"
+	"code.vikunja.io/api/pkg/files"
+	"code.vikunja.io/api/pkg/models"
+	"code.vikunja.io/api/pkg/user"
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestInsertFromStructure(t *testing.T) {
+	u := &user.User{
+		ID: 1,
+	}
+	t.Run("normal", func(t *testing.T) {
+		db.LoadAndAssertFixtures(t)
+		testStructure := []*models.NamespaceWithLists{
+			{
+				Namespace: models.Namespace{
+					Name:        "Test1",
+					Description: "Lorem Ipsum",
+				},
+				Lists: []*models.List{
+					{
+						Title:       "Testlist1",
+						Description: "Something",
+						Tasks: []*models.Task{
+							{
+								Text:        "Task1",
+								Description: "Lorem",
+							},
+							{
+								Text: "Task with related tasks",
+								RelatedTasks: map[models.RelationKind][]*models.Task{
+									models.RelationKindSubtask: {
+										{
+											Text:        "Related to task with related task",
+											Description: "As subtask",
+										},
+									},
+								},
+							},
+							{
+								Text: "Task with attachments",
+								Attachments: []*models.TaskAttachment{
+									{
+										File: &files.File{
+											Name:        "testfile",
+											Size:        4,
+											FileContent: []byte{1, 2, 3, 4},
+										},
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+		}
+		err := InsertFromStructure(testStructure, u)
+		assert.NoError(t, err)
+	})
+}