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// Vikunja is a todo-list application to facilitate your life.
// Copyright 2018 Vikunja and contributors. All rights reserved.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package models
// Create creates a new list <-> user relation
// @Summary Add a user to a list
// @Description Gives a user access to a list.
// @tags sharing
// @Accept json
// @Produce json
// @Security ApiKeyAuth
// @Param id path int true "List ID"
// @Param list body models.ListUser true "The user you want to add to the list."
// @Success 200 {object} models.ListUser "The created user<->list relation."
// @Failure 400 {object} models.HTTPError "Invalid user list object provided."
// @Failure 404 {object} models.HTTPError "The user does not exist."
// @Failure 403 {object} models.HTTPError "The user does not have access to the list"
// @Failure 500 {object} models.Message "Internal error"
// @Router /lists/{id}/users [put]
func (ul *ListUser) Create(u *User) (err error) {
// Check if the right is valid
if err := ul.Right.isValid(); err != nil {
return err
}
// Check if the list exists
l := &List{ID: ul.ListID}
if err = l.GetSimpleByID(); err != nil {
return
}
// Check if the user exists
if _, err = GetUserByID(ul.UserID); err != nil {
return err
}
// Check if the user already has access or is owner of that list
// We explicitly DONT check for teams here
if l.OwnerID == ul.UserID {
return ErrUserAlreadyHasAccess{UserID: ul.UserID, ListID: ul.ListID}
}
exist, err := x.Where("list_id = ? AND user_id = ?", ul.ListID, ul.UserID).Get(&ListUser{})
if err != nil {
return
}
if exist {
return ErrUserAlreadyHasAccess{UserID: ul.UserID, ListID: ul.ListID}
}
// Insert user <-> list relation
_, err = x.Insert(ul)
return
}