vikunja-api/pkg/routes/caldav/parsing.go

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// Vikunja is a todo-list application to facilitate your life.
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// Copyright 2018-2020 Vikunja and contributors. All rights reserved.
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//
// 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.
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//
// 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.
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//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package caldav
import (
"code.vikunja.io/api/pkg/caldav"
"code.vikunja.io/api/pkg/log"
"code.vikunja.io/api/pkg/models"
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"github.com/laurent22/ical-go"
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"strconv"
"time"
)
func getCaldavTodosForTasks(list *models.List) string {
// Make caldav todos from Vikunja todos
var caldavtodos []*caldav.Todo
for _, t := range list.Tasks {
durationString := t.EndDateUnix - t.StartDateUnix
duration, _ := time.ParseDuration(strconv.FormatInt(durationString, 10) + `s`)
caldavtodos = append(caldavtodos, &caldav.Todo{
TimestampUnix: t.Updated,
UID: t.UID,
Summary: t.Text,
Description: t.Description,
CompletedUnix: t.DoneAtUnix,
// Organizer: &t.CreatedBy, // Disabled until we figure out how this works
Priority: t.Priority,
StartUnix: t.StartDateUnix,
EndUnix: t.EndDateUnix,
CreatedUnix: t.Created,
UpdatedUnix: t.Updated,
DueDateUnix: t.DueDateUnix,
Duration: duration,
})
}
caldavConfig := &caldav.Config{
Name: list.Title,
ProdID: "Vikunja Todo App",
}
return caldav.ParseTodos(caldavConfig, caldavtodos)
}
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func parseTaskFromVTODO(content string) (vTask *models.Task, err error) {
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parsed, err := ical.ParseCalendar(content)
if err != nil {
return nil, err
}
// We put the task details in a map to be able to handle them more easily
task := make(map[string]string)
for _, c := range parsed.Children {
if c.Name == "VTODO" {
for _, entry := range c.Children {
task[entry.Name] = entry.Value
}
// Breaking, to only process the first task
break
}
}
// Parse the UID
var priority int64
if _, ok := task["PRIORITY"]; ok {
priority, err = strconv.ParseInt(task["PRIORITY"], 10, 64)
if err != nil {
return nil, err
}
}
// Parse the enddate
duration, _ := time.ParseDuration(task["DURATION"])
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vTask = &models.Task{
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UID: task["UID"],
Text: task["SUMMARY"],
Description: task["DESCRIPTION"],
Priority: priority,
DueDateUnix: caldavTimeToUnixTimestamp(task["DUE"]),
Updated: caldavTimeToUnixTimestamp(task["DTSTAMP"]),
StartDateUnix: caldavTimeToUnixTimestamp(task["DTSTART"]),
DoneAtUnix: caldavTimeToUnixTimestamp(task["COMPLETED"]),
}
if task["STATUS"] == "COMPLETED" {
vTask.Done = true
}
if duration > 0 && vTask.StartDateUnix > 0 {
vTask.EndDateUnix = vTask.StartDateUnix + int64(duration.Seconds())
}
return
}
func caldavTimeToUnixTimestamp(tstring string) int64 {
if tstring == "" {
return 0
}
t, err := time.Parse(caldav.DateFormat, tstring)
if err != nil {
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log.Warningf("Error while parsing caldav time %s to unix time: %s", tstring, err)
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return 0
}
return t.Unix()
}