138 lines
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Go
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2019-06-03 09:32:43 +00:00
package arn
import (
"errors"
"fmt"
"reflect"
"github.com/aerogo/aero"
"github.com/aerogo/api"
)
// Force interface implementations
var (
_ Joinable = (*Group)(nil)
_ Publishable = (*Group)(nil)
_ PostParent = (*Group)(nil)
_ fmt.Stringer = (*Group)(nil)
_ api.Newable = (*Group)(nil)
_ api.Editable = (*Group)(nil)
_ api.Deletable = (*Group)(nil)
)
// Actions
func init() {
API.RegisterActions("Group", []*api.Action{
// Publish
PublishAction(),
// Unpublish
UnpublishAction(),
// Join
JoinAction(),
// Leave
LeaveAction(),
})
}
// Create ...
func (group *Group) Create(ctx aero.Context) error {
user := GetUserFromContext(ctx)
if user == nil {
return errors.New("Not logged in")
}
if !user.IsPro() {
return errors.New("Not available for normal users during the BETA phase")
}
group.ID = GenerateID("Group")
group.Created = DateTimeUTC()
group.CreatedBy = user.ID
group.Edited = group.Created
group.EditedBy = group.CreatedBy
group.Members = []*GroupMember{
{
UserID: user.ID,
Role: "founder",
Joined: group.Created,
},
}
// Write log entry
logEntry := NewEditLogEntry(user.ID, "create", "Group", group.ID, "", "", "")
logEntry.Save()
return group.Unpublish()
}
// Edit creates an edit log entry.
func (group *Group) Edit(ctx aero.Context, key string, value reflect.Value, newValue reflect.Value) (consumed bool, err error) {
return edit(group, ctx, key, value, newValue)
}
// OnAppend saves a log entry.
func (group *Group) OnAppend(ctx aero.Context, key string, index int, obj interface{}) {
onAppend(group, ctx, key, index, obj)
}
// OnRemove saves a log entry.
func (group *Group) OnRemove(ctx aero.Context, key string, index int, obj interface{}) {
onRemove(group, ctx, key, index, obj)
}
// Delete deletes the object from the database.
func (group *Group) Delete() error {
if group.IsDraft {
draftIndex := group.Creator().DraftIndex()
draftIndex.GroupID = ""
draftIndex.Save()
}
// Delete image files
group.DeleteImages()
// Delete group
DB.Delete("Group", group.ID)
return nil
}
// DeleteInContext deletes the amv in the given context.
func (group *Group) DeleteInContext(ctx aero.Context) error {
user := GetUserFromContext(ctx)
// Write log entry
logEntry := NewEditLogEntry(user.ID, "delete", "Group", group.ID, "", fmt.Sprint(group), "")
logEntry.Save()
return group.Delete()
}
// Authorize returns an error if the given API POST request is not authorized.
func (group *Group) Authorize(ctx aero.Context, action string) error {
user := GetUserFromContext(ctx)
if user == nil {
return errors.New("Not logged in")
}
if action == "edit" && group.CreatedBy != user.ID {
return errors.New("Can't edit groups from other people")
}
if action == "join" && group.Restricted {
return errors.New("Can't join restricted groups")
}
return nil
}
// Save saves the group in the database.
func (group *Group) Save() {
DB.Set("Group", group.ID, group)
}