// preCheckGroup checks if group exists and is admin on topic
func (t *TopicsController) preCheckGroup(ctx *gin.Context, paramJSON *tat.ParamTopicGroupJSON) (*tat.Topic, error) {
if groupExists := groupDB.IsGroupnameExists(paramJSON.Groupname); !groupExists {
return nil, tat.NewError(http.StatusNotFound, "groupname %s does not exist", paramJSON.Groupname)
}
return t.preCheckUserAdminOnTopic(ctx, paramJSON.Topic)
}
// 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)
}