api/pkg/routes/api/v1/caldav.go

90 lines
2.7 KiB
Go

// Vikunja is a todo-list application to facilitate your life.
// Copyright 2018 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 v1
import (
"code.vikunja.io/api/pkg/caldav"
"code.vikunja.io/api/pkg/models"
"code.vikunja.io/api/pkg/routes/crud"
"github.com/labstack/echo"
"net/http"
"time"
)
// Caldav returns a caldav-readable format with all tasks
// @Summary CalDAV-readable format with all tasks as calendar events.
// @Description Returns a calDAV-parsable format with all tasks as calendar events. Only returns tasks with a due date. Also creates reminders when the task has one.
// @tags task
// @Produce text/plain
// @Security BasicAuth
// @Success 200 {string} string "The caldav events."
// @Failure 403 {string} string "Unauthorized."
// @Router /tasks/caldav [get]
func Caldav(c echo.Context) error {
// Request basic auth
user, pass, ok := c.Request().BasicAuth()
// Check credentials
creds := &models.UserLogin{
Username: user,
Password: pass,
}
u, err := models.CheckUserCredentials(creds)
if !ok || err != nil {
c.Response().Header().Set("WWW-Authenticate", `Basic realm="Vikunja cal"`)
return c.String(http.StatusUnauthorized, "Unauthorized.")
}
// Get all tasks for that user
tasks, err := models.GetTasksByUser("", &u, -1)
if err != nil {
return crud.HandleHTTPError(err)
}
hour := int64(time.Hour.Seconds())
var caldavTasks []*caldav.Event
for _, t := range tasks {
if t.DueDateUnix != 0 {
event := &caldav.Event{
Summary: t.Text,
Description: t.Description,
UID: "",
TimestampUnix: t.Updated,
StartUnix: t.DueDateUnix,
EndUnix: t.DueDateUnix + hour,
}
if len(t.RemindersUnix) > 0 {
for _, rem := range t.RemindersUnix {
event.Alarms = append(event.Alarms, caldav.Alarm{TimeUnix: rem})
}
}
caldavTasks = append(caldavTasks, event)
}
}
caldavConfig := &caldav.Config{
Name: "Vikunja Calendar for " + u.Username,
ProdID: "Vikunja Todo App",
}
return c.String(http.StatusOK, caldav.ParseEvents(caldavConfig, caldavTasks))
}