vikunja-api/pkg/models/list.go
2018-12-02 00:49:30 +00:00

202 lines
6 KiB
Go

// 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
import (
"code.vikunja.io/web"
)
// List represents a list of tasks
type List struct {
ID int64 `xorm:"int(11) autoincr not null unique pk" json:"id" param:"list"`
Title string `xorm:"varchar(250)" json:"title" valid:"required,runelength(3|250)"`
Description string `xorm:"varchar(1000)" json:"description" valid:"runelength(0|1000)"`
OwnerID int64 `xorm:"int(11) INDEX" json:"-"`
NamespaceID int64 `xorm:"int(11) INDEX" json:"-" param:"namespace"`
Owner User `xorm:"-" json:"owner" valid:"-"`
Tasks []*ListTask `xorm:"-" json:"tasks"`
Created int64 `xorm:"created" json:"created"`
Updated int64 `xorm:"updated" json:"updated"`
web.CRUDable `xorm:"-" json:"-"`
web.Rights `xorm:"-" json:"-"`
}
// GetListsByNamespaceID gets all lists in a namespace
func GetListsByNamespaceID(nID int64) (lists []*List, err error) {
err = x.Where("namespace_id = ?", nID).Find(&lists)
return lists, err
}
// ReadAll gets all lists a user has access to
// @Summary Get all lists a user has access to
// @Description Returns all lists a user has access to.
// @tags list
// @Accept json
// @Produce json
// @Param p query int false "The page number. Used for pagination. If not provided, the first page of results is returned."
// @Param s query string false "Search lists by title."
// @Security ApiKeyAuth
// @Success 200 {array} models.List "The lists"
// @Failure 403 {object} code.vikunja.io/web.HTTPError "The user does not have access to the list"
// @Failure 500 {object} models.Message "Internal error"
// @Router /lists [get]
func (l *List) ReadAll(search string, a web.Auth, page int) (interface{}, error) {
u, err := getUserWithError(a)
if err != nil {
return nil, err
}
lists, err := getRawListsForUser(search, u, page)
if err != nil {
return nil, err
}
// Add more list details
AddListDetails(lists)
return lists, err
}
// ReadOne gets one list by its ID
// @Summary Gets one list
// @Description Returns a list by its ID.
// @tags list
// @Accept json
// @Produce json
// @Security ApiKeyAuth
// @Param id path int true "List ID"
// @Success 200 {object} models.List "The list"
// @Failure 403 {object} code.vikunja.io/web.HTTPError "The user does not have access to the list"
// @Failure 500 {object} models.Message "Internal error"
// @Router /lists/{id} [get]
func (l *List) ReadOne() (err error) {
err = l.GetSimpleByID()
if err != nil {
return err
}
// Get list tasks
l.Tasks, err = GetTasksByListID(l.ID)
if err != nil {
return err
}
// Get list owner
l.Owner, err = GetUserByID(l.OwnerID)
return
}
// GetSimpleByID gets a list with only the basic items, aka no tasks or user objects. Returns an error if the list does not exist.
func (l *List) GetSimpleByID() (err error) {
if l.ID < 1 {
return ErrListDoesNotExist{ID: l.ID}
}
// We need to re-init our list object, because otherwise xorm creates a "where for every item in that list object,
// leading to not finding anything if the id is good, but for example the title is different.
id := l.ID
*l = List{}
exists, err := x.Where("id = ?", id).Get(l)
if err != nil {
return
}
if !exists {
return ErrListDoesNotExist{ID: l.ID}
}
return
}
// Gets the lists only, without any tasks or so
func getRawListsForUser(search string, u *User, page int) (lists []*List, err error) {
fullUser, err := GetUserByID(u.ID)
if err != nil {
return lists, err
}
// Gets all Lists where the user is either owner or in a team which has access to the list
// Or in a team which has namespace read access
err = x.Select("l.*").
Table("list").
Alias("l").
Join("INNER", []string{"namespaces", "n"}, "l.namespace_id = n.id").
Join("LEFT", []string{"team_namespaces", "tn"}, "tn.namespace_id = n.id").
Join("LEFT", []string{"team_members", "tm"}, "tm.team_id = tn.team_id").
Join("LEFT", []string{"team_list", "tl"}, "l.id = tl.list_id").
Join("LEFT", []string{"team_members", "tm2"}, "tm2.team_id = tl.team_id").
Join("LEFT", []string{"users_list", "ul"}, "ul.list_id = l.id").
Join("LEFT", []string{"users_namespace", "un"}, "un.namespace_id = l.namespace_id").
Where("tm.user_id = ?", fullUser.ID).
Or("tm2.user_id = ?", fullUser.ID).
Or("l.owner_id = ?", fullUser.ID).
Or("ul.user_id = ?", fullUser.ID).
Or("un.user_id = ?", fullUser.ID).
GroupBy("l.id").
Limit(getLimitFromPageIndex(page)).
Where("l.title LIKE ?", "%"+search+"%").
Find(&lists)
return lists, err
}
// AddListDetails adds owner user objects and list tasks to all lists in the slice
func AddListDetails(lists []*List) (err error) {
var listIDs []int64
var ownerIDs []int64
for _, l := range lists {
listIDs = append(listIDs, l.ID)
ownerIDs = append(ownerIDs, l.OwnerID)
}
// Get all tasks
ts := []*ListTask{}
err = x.In("list_id", listIDs).Find(&ts)
if err != nil {
return
}
// Get all list owners
owners := []*User{}
err = x.In("id", ownerIDs).Find(&owners)
if err != nil {
return
}
// Build it all into the lists slice
for in, list := range lists {
// Owner
for _, owner := range owners {
if list.OwnerID == owner.ID {
lists[in].Owner = *owner
break
}
}
// Tasks
for _, task := range ts {
if task.ListID == list.ID {
lists[in].Tasks = append(lists[in].Tasks, task)
}
}
}
return
}