vikunja-api/pkg/modules/migration/create_from_structure.go

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// 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 (
"bytes"
"code.vikunja.io/api/pkg/models"
"code.vikunja.io/api/pkg/user"
"io/ioutil"
)
// InsertFromStructure takes a fully nested Vikunja data structure and a user and then creates everything for this user
// (Namespaces, tasks, etc. Even attachments and relations.)
func InsertFromStructure(str []*models.NamespaceWithLists, user *user.User) (err error) {
// Create all namespaces
for _, n := range str {
err = n.Create(user)
if err != nil {
return
}
// Create all lists
for _, l := range n.Lists {
// The tasks slice is going to be reset during the creation of the list so we rescue it here to be able
// to still loop over the tasks aftere the list was created.
tasks := l.Tasks
l.NamespaceID = n.ID
err = l.Create(user)
if err != nil {
return
}
// Create all tasks
for _, t := range tasks {
t.ListID = l.ID
err = t.Create(user)
if err != nil {
return
}
// Create all relation for each task
for kind, tasks := range t.RelatedTasks {
// First create the related tasks if they does not exist
for _, rt := range tasks {
if rt.ID == 0 {
err = rt.Create(user)
if err != nil {
return
}
}
// Then create the relation
taskRel := &models.TaskRelation{
TaskID: rt.ID,
OtherTaskID: t.ID,
RelationKind: kind,
}
err = taskRel.Create(user)
if err != nil {
return
}
}
}
// Create all attachments for each task
for _, a := range t.Attachments {
// Check if we have a file to create
if len(a.File.FileContent) > 0 {
a.TaskID = t.ID
fr := ioutil.NopCloser(bytes.NewReader(a.File.FileContent))
err = a.NewAttachment(fr, a.File.Name, a.File.Size, user)
if err != nil {
return
}
}
}
}
}
}
return nil
}