155 lines
3.5 KiB
Go

package arn
import (
"errors"
"fmt"
"reflect"
"strings"
"github.com/aerogo/aero"
"github.com/aerogo/api"
)
// Force interface implementations
var (
_ Publishable = (*SoundTrack)(nil)
_ Likeable = (*SoundTrack)(nil)
_ LikeEventReceiver = (*SoundTrack)(nil)
_ PostParent = (*SoundTrack)(nil)
_ fmt.Stringer = (*SoundTrack)(nil)
_ api.Newable = (*SoundTrack)(nil)
_ api.Editable = (*SoundTrack)(nil)
_ api.Deletable = (*SoundTrack)(nil)
_ api.ArrayEventListener = (*SoundTrack)(nil)
)
// Actions
func init() {
API.RegisterActions("SoundTrack", []*api.Action{
// Publish
PublishAction(),
// Unpublish
UnpublishAction(),
// Like
LikeAction(),
// Unlike
UnlikeAction(),
})
}
// Create sets the data for a new track with data we received from the API request.
func (track *SoundTrack) Create(ctx aero.Context) error {
user := GetUserFromContext(ctx)
if user == nil {
return errors.New("Not logged in")
}
track.ID = GenerateID("SoundTrack")
track.Created = DateTimeUTC()
track.CreatedBy = user.ID
// Write log entry
logEntry := NewEditLogEntry(user.ID, "create", "SoundTrack", track.ID, "", "", "")
logEntry.Save()
return track.Unpublish()
}
// Edit updates the external media object.
func (track *SoundTrack) Edit(ctx aero.Context, key string, value reflect.Value, newValue reflect.Value) (bool, error) {
user := GetUserFromContext(ctx)
// Write log entry
logEntry := NewEditLogEntry(user.ID, "edit", "SoundTrack", track.ID, key, fmt.Sprint(value.Interface()), fmt.Sprint(newValue.Interface()))
logEntry.Save()
// Verify service name
if strings.HasPrefix(key, "Media[") && strings.HasSuffix(key, ".Service") {
newService := newValue.String()
found := false
for _, option := range DataLists["media-services"] {
if option.Label == newService {
found = true
break
}
}
if !found {
return true, errors.New("Invalid service name")
}
value.SetString(newService)
return true, nil
}
return false, nil
}
// OnAppend saves a log entry.
func (track *SoundTrack) OnAppend(ctx aero.Context, key string, index int, obj interface{}) {
onAppend(track, ctx, key, index, obj)
}
// OnRemove saves a log entry.
func (track *SoundTrack) OnRemove(ctx aero.Context, key string, index int, obj interface{}) {
onRemove(track, ctx, key, index, obj)
}
// DeleteInContext deletes the track in the given context.
func (track *SoundTrack) DeleteInContext(ctx aero.Context) error {
user := GetUserFromContext(ctx)
// Write log entry
logEntry := NewEditLogEntry(user.ID, "delete", "SoundTrack", track.ID, "", fmt.Sprint(track), "")
logEntry.Save()
return track.Delete()
}
// Delete deletes the object from the database.
func (track *SoundTrack) Delete() error {
if track.IsDraft {
draftIndex := track.Creator().DraftIndex()
draftIndex.SoundTrackID = ""
draftIndex.Save()
}
for _, post := range track.Posts() {
err := post.Delete()
if err != nil {
return err
}
}
DB.Delete("SoundTrack", track.ID)
return nil
}
// Authorize returns an error if the given API POST request is not authorized.
func (track *SoundTrack) Authorize(ctx aero.Context, action string) error {
user := GetUserFromContext(ctx)
if user == nil {
return errors.New("Not logged in")
}
if action == "delete" {
if user.Role != "editor" && user.Role != "admin" {
return errors.New("Insufficient permissions")
}
}
return nil
}
// Save saves the soundtrack object in the database.
func (track *SoundTrack) Save() {
DB.Set("SoundTrack", track.ID, track)
}