// Delete deletes a topic from database
func Delete(topic *tat.Topic, u *tat.User) error {
log.Debugf("Delete: Clean topics cache for user %s", u.Username)
if topic.Collection != "" {
err := store.Tat().CTopics.Update(
bson.M{"_id": topic.ID},
bson.M{"$set": bson.M{"description": topic.Description + " TODEL"}})
if err != nil {
log.Errorf("Error while update description before delete topic %s err:%s", topic.Topic, err)
}
store.Tat().Session.SetMode(mgo.Strong, true)
defer store.Tat().Session.SetMode(mgo.SecondaryPreferred, true)
if err := store.Tat().Session.DB(store.DatabaseName).C(topic.Collection).DropCollection(); err != nil {
return fmt.Errorf("Error while drop collection for topic %s err: %s", topic.Topic, err)
}
}
if err := store.Tat().CTopics.Remove(bson.M{"_id": topic.ID}); err != nil {
return fmt.Errorf("Error while remove topic from topics collection: %s", err)
}
cache.CleanAllTopicsLists()
return nil
}
// RemoveRwUser removes a read write user from topic
func RemoveRwUser(topic *tat.Topic, admin string, username string, recursive bool) error {
err := actionOnSet(topic, "$pull", "rwUsers", username, admin, recursive, "remove from rw")
cache.CleanAllTopicsLists()
return err
}
// AddAdminUser add a read write user to topic
func AddAdminUser(topic *tat.Topic, admin string, username string, recursive bool) error {
err := actionOnSet(topic, "$addToSet", "adminUsers", username, admin, recursive, "add to admin")
cache.CleanAllTopicsLists()
return err
}
// Insert creates a new topic. User is read write on topic
func Insert(topic *tat.Topic, u *tat.User) error {
if err := CheckAndFixName(topic); err != nil {
return err
}
isParentRootTopic, parentTopic, err := getParentTopic(topic)
if !isParentRootTopic {
if err != nil {
return tat.NewError(http.StatusNotFound, "Parent Topic not found %s", topic.Topic)
}
// If user create a Topic in /Private/username, no check or RW to create
if !strings.HasPrefix(topic.Topic, "/Private/"+u.Username) {
// check if user can create topic in /topic
hasRW := IsUserAdmin(parentTopic, u)
if !hasRW {
return tat.NewError(http.StatusUnauthorized, "No RW access to parent topic %s", parentTopic.Topic)
}
}
} else if !u.IsAdmin { // no parent topic, check admin
return tat.NewError(http.StatusUnauthorized, "No write access to create parent topic %s", topic.Topic)
}
if _, err = FindByTopic(topic.Topic, true, false, false, nil); err == nil {
return tat.NewError(http.StatusConflict, "Topic Already Exists : %s", topic.Topic)
}
topic.ID = bson.NewObjectId().Hex()
topic.DateCreation = time.Now().Unix()
topic.MaxLength = tat.DefaultMessageMaxSize // topic MaxLenth messages
topic.CanForceDate = false
topic.IsAutoComputeLabels = true
topic.IsAutoComputeTags = true
topic.Collection = "messages" + topic.ID
if !isParentRootTopic {
topic.ROGroups = parentTopic.ROGroups
topic.RWGroups = parentTopic.RWGroups
topic.ROUsers = parentTopic.ROUsers
topic.RWUsers = parentTopic.RWUsers
topic.AdminUsers = parentTopic.AdminUsers
topic.AdminGroups = parentTopic.AdminGroups
topic.MaxLength = parentTopic.MaxLength
topic.CanForceDate = parentTopic.CanForceDate
// topic.CanUpdateMsg can be set by user.createTopics for new users
// with CanUpdateMsg=true
if !topic.CanUpdateMsg {
topic.CanUpdateMsg = parentTopic.CanUpdateMsg
}
// topic.CanDeleteMsg can be set by user.createTopics for new users
// with CanDeleteMsg=true
if !topic.CanDeleteMsg {
topic.CanDeleteMsg = parentTopic.CanDeleteMsg
}
topic.CanUpdateAllMsg = parentTopic.CanUpdateAllMsg
topic.CanDeleteAllMsg = parentTopic.CanDeleteAllMsg
topic.AdminCanUpdateAllMsg = parentTopic.AdminCanUpdateAllMsg
topic.AdminCanDeleteAllMsg = parentTopic.AdminCanDeleteAllMsg
topic.IsAutoComputeTags = parentTopic.IsAutoComputeTags
topic.IsAutoComputeLabels = parentTopic.IsAutoComputeLabels
topic.Parameters = parentTopic.Parameters
}
if err = store.Tat().CTopics.Insert(topic); err != nil {
log.Errorf("Error while inserting new topic %s", err)
}
if errC := store.Tat().Session.DB(store.DatabaseName).C(topic.Collection).Create(&mgo.CollectionInfo{ForceIdIndex: true}); errC != nil {
log.Errorf("Error while create new collection %s", topic.Collection)
}
store.EnsureIndexesMessages(topic.Collection)
h := fmt.Sprintf("create a new topic :%s", topic.Topic)
err = addToHistory(topic, bson.M{"_id": topic.ID}, u.Username, h)
if err != nil {
log.Errorf("Error while inserting history for new topic %s", err)
}
log.Debugf("Insert: Clean topics cache for user %s", u.Username)
cache.CleanAllTopicsLists()
return AddRwUser(topic, u.Username, u.Username, false)
}