planner/item/event.go

115 lines
2.2 KiB
Go

package item
import (
"encoding/json"
"fmt"
"time"
"github.com/google/go-cmp/cmp"
)
type EventBody struct {
Title string `json:"title"`
Date Date `json:"date"`
Time Time `json:"time"`
Duration time.Duration `json:"duration"`
}
func (e EventBody) MarshalJSON() ([]byte, error) {
type Alias EventBody
return json.Marshal(&struct {
Duration string `json:"duration"`
*Alias
}{
Duration: e.Duration.String(),
Alias: (*Alias)(&e),
})
}
func (e *EventBody) UnmarshalJSON(data []byte) error {
type Alias EventBody
aux := &struct {
Duration string `json:"duration"`
*Alias
}{
Alias: (*Alias)(e),
}
if err := json.Unmarshal(data, &aux); err != nil {
return err
}
var err error
if e.Duration, err = time.ParseDuration(aux.Duration); err != nil {
return err
}
return nil
}
type Event struct {
ID string `json:"id"`
Recurrer Recurrer `json:"recurrer"`
RecurNext Date `json:"recurNext"`
EventBody
}
func NewEvent(i Item) (Event, error) {
if i.Kind != KindEvent {
return Event{}, fmt.Errorf("item is not an event")
}
var e Event
if err := json.Unmarshal([]byte(i.Body), &e); err != nil {
return Event{}, fmt.Errorf("could not unmarshal item body: %v", err)
}
e.ID = i.ID
e.Recurrer = i.Recurrer
e.RecurNext = i.RecurNext
return e, nil
}
// func (e Event) Item() (Item, error) {
// body, err := json.Marshal(EventBody{
// Title: e.Title,
// Start: e.Start,
// Duration: e.Duration,
// })
// if err != nil {
// return Item{}, fmt.Errorf("could not marshal event to json")
// }
// return Item{
// ID: e.ID,
// Kind: KindEvent,
// Recurrer: e.Recurrer,
// RecurNext: e.RecurNext,
// Body: string(body),
// }, nil
// }
// func (e Event) Valid() bool {
// if e.Title == "" {
// return false
// }
// if e.Start.IsZero() || e.Start.Year() < 2024 {
// return false
// }
// if e.Duration.Seconds() < 1 {
// return false
// }
// // if e.Recurrer != nil && !e.Recurrer.Valid() {
// // return false
// // }
// return true
// }
func EventDiff(a, b Event) string {
aJSON, _ := json.Marshal(a)
bJSON, _ := json.Marshal(b)
return cmp.Diff(string(aJSON), string(bJSON))
}