func (*GroupsController) preCheckUser(ctx *gin.Context, paramJSON *paramUserJSON) (models.Group, error) {
usernameExists := models.IsUsernameExists(paramJSON.Username)
group := models.Group{}
if !usernameExists {
e := errors.New("username " + paramJSON.Username + " does not exist")
ctx.AbortWithError(http.StatusInternalServerError, e)
return group, e
}
errfinding := group.FindByName(paramJSON.Groupname)
if errfinding != nil {
ctx.AbortWithError(http.StatusInternalServerError, errfinding)
return group, errfinding
}
if utils.IsTatAdmin(ctx) { // if Tat admin, ok
return group, nil
}
user, err := PreCheckUser(ctx)
if err != nil {
return models.Group{}, err
}
if !group.IsUserAdmin(&user) {
e := fmt.Errorf("user %s is not admin on group %s", user.Username, group.Name)
ctx.AbortWithError(http.StatusInternalServerError, e)
return models.Group{}, e
}
return group, nil
}