domogeek/vendor/github.com/dolanor/caldav-go/icalendar/components/calendar.go

88 lines
2.4 KiB
Go

package components
import (
"fmt"
"github.com/dolanor/caldav-go/icalendar/values"
"github.com/dolanor/caldav-go/utils"
"time"
)
type Calendar struct {
// specifies the identifier corresponding to the highest version number or the minimum and maximum
// range of the iCalendar specification that is required in order to interpret the iCalendar object.
Version string `ical:",2.0"`
// specifies the identifier for the product that created the iCalendar object
ProductId string `ical:"prodid,-//dolanor/caldav-go//NONSGML v1.0.0//EN"`
// specifies the text value that uniquely identifies the "VTIMEZONE" calendar component.
TimeZoneId string `ical:"tzid,omitempty"`
// defines the iCalendar object method associated with the calendar object.
Method values.Method `ical:",omitempty"`
// defines the calendar scale used for the calendar information specified in the iCalendar object.
CalScale values.CalScale `ical:",omitempty"`
// defines the different timezones used by the various components nested within
TimeZones []*TimeZone `ical:",omitempty"`
// unique events to be stored together in the icalendar file
Events []*Event `ical:",omitempty"`
}
func (c *Calendar) UseTimeZone(location *time.Location) *TimeZone {
tz := NewDynamicTimeZone(location)
c.TimeZones = append(c.TimeZones, tz)
c.TimeZoneId = tz.Id
return tz
}
func (c *Calendar) UsingTimeZone() bool {
return len(c.TimeZoneId) > 0
}
func (c *Calendar) UsingGlobalTimeZone() bool {
return c.UsingTimeZone() && c.TimeZoneId[0] == '/'
}
func (c *Calendar) ValidateICalValue() error {
for i, e := range c.Events {
if e == nil {
continue // skip nil events
}
if err := e.ValidateICalValue(); err != nil {
msg := fmt.Sprintf("event %d failed validation", i)
return utils.NewError(c.ValidateICalValue, msg, c, err)
}
if e.DateStart == nil && c.Method == "" {
msg := fmt.Sprintf("no value for method and no start date defined on event %d", i)
return utils.NewError(c.ValidateICalValue, msg, c, nil)
}
}
if c.UsingTimeZone() && !c.UsingGlobalTimeZone() {
for i, t := range c.TimeZones {
if t == nil || t.Id != c.TimeZoneId {
msg := fmt.Sprintf("timezone ID does not match timezone %d", i)
return utils.NewError(c.ValidateICalValue, msg, c, nil)
}
}
}
return nil
}
func NewCalendar(events ...*Event) *Calendar {
cal := new(Calendar)
cal.Events = events
return cal
}