133 lines
3.4 KiB
Go
133 lines
3.4 KiB
Go
// Vikunja is a to-do list application to facilitate your life.
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// Copyright 2018-2021 Vikunja and contributors. All rights reserved.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public Licensee as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public Licensee for more details.
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//
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// You should have received a copy of the GNU Affero General Public Licensee
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package caldav
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import (
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"strconv"
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"strings"
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"time"
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"code.vikunja.io/api/pkg/caldav"
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"code.vikunja.io/api/pkg/log"
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"code.vikunja.io/api/pkg/models"
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"github.com/laurent22/ical-go"
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)
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func getCaldavTodosForTasks(list *models.List, listTasks []*models.Task) string {
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// Make caldav todos from Vikunja todos
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var caldavtodos []*caldav.Todo
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for _, t := range listTasks {
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duration := t.EndDate.Sub(t.StartDate)
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caldavtodos = append(caldavtodos, &caldav.Todo{
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Timestamp: t.Updated,
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UID: t.UID,
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Summary: t.Title,
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Description: t.Description,
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Completed: t.DoneAt,
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// Organizer: &t.CreatedBy, // Disabled until we figure out how this works
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Priority: t.Priority,
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Start: t.StartDate,
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End: t.EndDate,
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Created: t.Created,
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Updated: t.Updated,
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DueDate: t.DueDate,
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Duration: duration,
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})
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}
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caldavConfig := &caldav.Config{
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Name: list.Title,
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ProdID: "Vikunja Todo App",
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}
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return caldav.ParseTodos(caldavConfig, caldavtodos)
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}
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func parseTaskFromVTODO(content string) (vTask *models.Task, err error) {
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parsed, err := ical.ParseCalendar(content)
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if err != nil {
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return nil, err
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}
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// We put the task details in a map to be able to handle them more easily
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task := make(map[string]string)
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for _, c := range parsed.Children {
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if c.Name == "VTODO" {
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for _, entry := range c.Children {
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task[entry.Name] = entry.Value
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}
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// Breaking, to only process the first task
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break
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}
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}
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// Parse the UID
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var priority int64
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if _, ok := task["PRIORITY"]; ok {
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priority, err = strconv.ParseInt(task["PRIORITY"], 10, 64)
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if err != nil {
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return nil, err
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}
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}
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// Parse the enddate
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duration, _ := time.ParseDuration(task["DURATION"])
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vTask = &models.Task{
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UID: task["UID"],
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Title: task["SUMMARY"],
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Description: task["DESCRIPTION"],
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Priority: priority,
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DueDate: caldavTimeToTimestamp(task["DUE"]),
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Updated: caldavTimeToTimestamp(task["DTSTAMP"]),
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StartDate: caldavTimeToTimestamp(task["DTSTART"]),
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DoneAt: caldavTimeToTimestamp(task["COMPLETED"]),
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}
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if task["STATUS"] == "COMPLETED" {
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vTask.Done = true
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}
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if duration > 0 && !vTask.StartDate.IsZero() {
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vTask.EndDate = vTask.StartDate.Add(duration)
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}
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return
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}
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// https://tools.ietf.org/html/rfc5545#section-3.3.5
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func caldavTimeToTimestamp(tstring string) time.Time {
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if tstring == "" {
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return time.Time{}
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}
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format := caldav.DateFormat
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if strings.HasSuffix(tstring, "Z") {
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format = `20060102T150405Z`
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}
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t, err := time.Parse(format, tstring)
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if err != nil {
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log.Warningf("Error while parsing caldav time %s to TimeStamp: %s", tstring, err)
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return time.Time{}
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}
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return t
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}
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