vikunja-api/pkg/models/namespace.go

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// Vikunja is a to-do list application to facilitate your life.
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// Copyright 2018-2020 Vikunja and contributors. All rights reserved.
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//
// 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.
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//
// 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.
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//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package models
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import (
"sort"
"time"
"code.vikunja.io/api/pkg/metrics"
"code.vikunja.io/api/pkg/user"
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"code.vikunja.io/web"
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"github.com/imdario/mergo"
"xorm.io/builder"
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)
// Namespace holds informations about a namespace
type Namespace struct {
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// The unique, numeric id of this namespace.
ID int64 `xorm:"bigint autoincr not null unique pk" json:"id" param:"namespace"`
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// The name of this namespace.
Title string `xorm:"varchar(250) not null" json:"title" valid:"required,runelength(1|250)" minLength:"1" maxLength:"250"`
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// The description of the namespace
Description string `xorm:"longtext null" json:"description"`
OwnerID int64 `xorm:"bigint not null INDEX" json:"-"`
// The hex color of this namespace
HexColor string `xorm:"varchar(6) null" json:"hex_color" valid:"runelength(0|6)" maxLength:"6"`
// Whether or not a namespace is archived.
IsArchived bool `xorm:"not null default false" json:"is_archived" query:"is_archived"`
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// The user who owns this namespace
Owner *user.User `xorm:"-" json:"owner" valid:"-"`
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// A timestamp when this namespace was created. You cannot change this value.
Created time.Time `xorm:"created not null" json:"created"`
// A timestamp when this namespace was last updated. You cannot change this value.
Updated time.Time `xorm:"updated not null" json:"updated"`
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web.CRUDable `xorm:"-" json:"-"`
web.Rights `xorm:"-" json:"-"`
}
// SharedListsPseudoNamespace is a pseudo namespace used to hold shared lists
var SharedListsPseudoNamespace = Namespace{
ID: -1,
Title: "Shared Lists",
Description: "Lists of other users shared with you via teams or directly.",
Created: time.Now(),
Updated: time.Now(),
}
// FavoritesPseudoNamespace is a pseudo namespace used to hold favorited lists and tasks
var FavoritesPseudoNamespace = Namespace{
ID: -2,
Title: "Favorites",
Description: "Favorite lists and tasks.",
Created: time.Now(),
Updated: time.Now(),
}
// SavedFiltersPseudoNamespace is a pseudo namespace used to hold saved filters
var SavedFiltersPseudoNamespace = Namespace{
ID: -3,
Title: "Filters",
Description: "Saved filters.",
Created: time.Now(),
Updated: time.Now(),
}
// TableName makes beautiful table names
func (Namespace) TableName() string {
return "namespaces"
}
// GetSimpleByID gets a namespace without things like the owner, it more or less only checks if it exists.
func (n *Namespace) GetSimpleByID() (err error) {
if n.ID == 0 {
return ErrNamespaceDoesNotExist{ID: n.ID}
}
// Get the namesapce with shared lists
if n.ID == -1 {
*n = SharedListsPseudoNamespace
return
}
if n.ID == FavoritesPseudoNamespace.ID {
*n = FavoritesPseudoNamespace
return
}
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namespaceFromDB := &Namespace{}
exists, err := x.Where("id = ?", n.ID).Get(namespaceFromDB)
if err != nil {
return
}
if !exists {
return ErrNamespaceDoesNotExist{ID: n.ID}
}
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// We don't want to override the provided user struct because this would break updating, so we have to merge it
if err := mergo.Merge(namespaceFromDB, n, mergo.WithOverride); err != nil {
return err
}
*n = *namespaceFromDB
return
}
// GetNamespaceByID returns a namespace object by its ID
func GetNamespaceByID(id int64) (namespace Namespace, err error) {
namespace = Namespace{ID: id}
err = namespace.GetSimpleByID()
if err != nil {
return
}
// Get the namespace Owner
namespace.Owner, err = user.GetUserByID(namespace.OwnerID)
return
}
// CheckIsArchived returns an ErrNamespaceIsArchived if the namepace is archived.
func (n *Namespace) CheckIsArchived() error {
exists, err := x.
Where("id = ? AND is_archived = true", n.ID).
Exist(&Namespace{})
if err != nil {
return err
}
if exists {
return ErrNamespaceIsArchived{NamespaceID: n.ID}
}
return nil
}
// ReadOne gets one namespace
// @Summary Gets one namespace
// @Description Returns a namespace by its ID.
// @tags namespace
// @Accept json
// @Produce json
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// @Security JWTKeyAuth
// @Param id path int true "Namespace ID"
// @Success 200 {object} models.Namespace "The Namespace"
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// @Failure 403 {object} web.HTTPError "The user does not have access to that namespace."
// @Failure 500 {object} models.Message "Internal error"
// @Router /namespaces/{id} [get]
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func (n *Namespace) ReadOne() (err error) {
*n, err = GetNamespaceByID(n.ID)
return
}
// NamespaceWithLists represents a namespace with list meta informations
type NamespaceWithLists struct {
Namespace `xorm:"extends"`
Lists []*List `xorm:"-" json:"lists"`
}
// ReadAll gets all namespaces a user has access to
// @Summary Get all namespaces a user has access to
// @Description Returns all namespaces a user has access to.
// @tags namespace
// @Accept json
// @Produce json
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// @Param page query int false "The page number. Used for pagination. If not provided, the first page of results is returned."
// @Param per_page query int false "The maximum number of items per page. Note this parameter is limited by the configured maximum of items per page."
// @Param s query string false "Search namespaces by name."
// @Param is_archived query bool false "If true, also returns all archived namespaces."
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// @Security JWTKeyAuth
// @Success 200 {array} models.NamespaceWithLists "The Namespaces."
// @Failure 500 {object} models.Message "Internal error"
// @Router /namespaces [get]
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func (n *Namespace) ReadAll(a web.Auth, search string, page int, perPage int) (result interface{}, resultCount int, numberOfTotalItems int64, err error) {
if _, is := a.(*LinkSharing); is {
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return nil, 0, 0, ErrGenericForbidden{}
}
// This map will hold all namespaces and their lists. The key is usually the id of the namespace.
// We're using a map here because it makes a few things like adding lists or removing pseudo namespaces easier.
namespaces := make(map[int64]*NamespaceWithLists)
//////////////////////////////
// Lists with their namespaces
doer, err := user.GetFromAuth(a)
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if err != nil {
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return nil, 0, 0, err
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}
// Adding a 1=1 condition by default here because xorm always needs a condition and cannot handle nil conditions
var isArchivedCond builder.Cond = builder.Eq{"1": 1}
if !n.IsArchived {
isArchivedCond = builder.And(
builder.Eq{"namespaces.is_archived": false},
)
}
limit, start := getLimitFromPageIndex(page, perPage)
query := x.Select("namespaces.*").
Table("namespaces").
Join("LEFT", "team_namespaces", "namespaces.id = team_namespaces.namespace_id").
Join("LEFT", "team_members", "team_members.team_id = team_namespaces.team_id").
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Join("LEFT", "users_namespace", "users_namespace.namespace_id = namespaces.id").
Where("team_members.user_id = ?", doer.ID).
Or("namespaces.owner_id = ?", doer.ID).
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Or("users_namespace.user_id = ?", doer.ID).
GroupBy("namespaces.id").
Where("namespaces.title LIKE ?", "%"+search+"%").
Where(isArchivedCond)
if limit > 0 {
query = query.Limit(limit, start)
}
err = query.Find(&namespaces)
if err != nil {
return nil, 0, 0, err
}
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// Make a list of namespace ids
var namespaceids []int64
var userIDs []int64
for _, nsp := range namespaces {
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namespaceids = append(namespaceids, nsp.ID)
userIDs = append(userIDs, nsp.OwnerID)
}
// Get all owners
userMap := make(map[int64]*user.User)
err = x.In("id", userIDs).Find(&userMap)
if err != nil {
return nil, 0, 0, err
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}
// Get all lists
lists := []*List{}
listQuery := x.
In("namespace_id", namespaceids)
if !n.IsArchived {
listQuery.And("is_archived = false")
}
err = listQuery.Find(&lists)
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if err != nil {
return nil, 0, 0, err
}
numberOfTotalItems, err = x.
Table("namespaces").
Join("LEFT", "team_namespaces", "namespaces.id = team_namespaces.namespace_id").
Join("LEFT", "team_members", "team_members.team_id = team_namespaces.team_id").
Join("LEFT", "users_namespace", "users_namespace.namespace_id = namespaces.id").
Where("team_members.user_id = ?", doer.ID).
Or("namespaces.owner_id = ?", doer.ID).
Or("users_namespace.user_id = ?", doer.ID).
And("namespaces.is_archived = false").
GroupBy("namespaces.id").
Where("namespaces.title LIKE ?", "%"+search+"%").
Count(&NamespaceWithLists{})
if err != nil {
return nil, 0, 0, err
}
///////////////
// Shared Lists
// Create our pseudo namespace to hold the shared lists
sharedListsPseudonamespace := SharedListsPseudoNamespace
sharedListsPseudonamespace.Owner = doer
namespaces[sharedListsPseudonamespace.ID] = &NamespaceWithLists{
sharedListsPseudonamespace,
[]*List{},
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}
// Get all lists individually shared with our user (not via a namespace)
individualLists := []*List{}
iListQuery := x.Select("l.*").
Table("list").
Alias("l").
Join("LEFT", []string{"team_list", "tl"}, "l.id = tl.list_id").
Join("LEFT", []string{"team_members", "tm"}, "tm.team_id = tl.team_id").
Join("LEFT", []string{"users_list", "ul"}, "ul.list_id = l.id").
Where("tm.user_id = ?", doer.ID).
Or("ul.user_id = ?", doer.ID).
GroupBy("l.id")
if !n.IsArchived {
iListQuery.And("l.is_archived = false")
}
err = iListQuery.Find(&individualLists)
if err != nil {
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return nil, 0, 0, err
}
// Make the namespace -1 so we now later which one it was
// + Append it to all lists we already have
for _, l := range individualLists {
l.NamespaceID = -1
lists = append(lists, l)
}
// Remove the sharedListsPseudonamespace if we don't have any shared lists
if len(individualLists) == 0 {
delete(namespaces, sharedListsPseudonamespace.ID)
}
// More details for the lists
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err = AddListDetails(lists)
if err != nil {
return nil, 0, 0, err
}
/////////////////
// Favorite lists
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// Create our pseudo namespace with favorite lists
pseudoFavoriteNamespace := FavoritesPseudoNamespace
pseudoFavoriteNamespace.Owner = doer
namespaces[pseudoFavoriteNamespace.ID] = &NamespaceWithLists{
Namespace: pseudoFavoriteNamespace,
Lists: []*List{{}},
}
*namespaces[pseudoFavoriteNamespace.ID].Lists[0] = FavoritesPseudoList // Copying the list to be able to modify it later
for _, list := range lists {
if list.IsFavorite {
namespaces[pseudoFavoriteNamespace.ID].Lists = append(namespaces[pseudoFavoriteNamespace.ID].Lists, list)
}
namespaces[list.NamespaceID].Lists = append(namespaces[list.NamespaceID].Lists, list)
}
// Check if we have any favorites or favorited lists and remove the favorites namespace from the list if not
var favoriteCount int64
favoriteCount, err = x.
Join("INNER", "list", "tasks.list_id = list.id").
Join("INNER", "namespaces", "list.namespace_id = namespaces.id").
Where(builder.And(builder.Eq{"tasks.is_favorite": true}, builder.In("namespaces.id", namespaceids))).
Count(&Task{})
if err != nil {
return nil, 0, 0, err
}
// If we don't have any favorites in the favorites pseudo list, remove that pseudo list from the namespace
if favoriteCount == 0 {
for in, l := range namespaces[pseudoFavoriteNamespace.ID].Lists {
if l.ID == FavoritesPseudoList.ID {
namespaces[pseudoFavoriteNamespace.ID].Lists = append(namespaces[pseudoFavoriteNamespace.ID].Lists[:in], namespaces[pseudoFavoriteNamespace.ID].Lists[in+1:]...)
break
}
}
}
// If we don't have any favorites in the namespace, remove it
if len(namespaces[pseudoFavoriteNamespace.ID].Lists) == 0 {
delete(namespaces, pseudoFavoriteNamespace.ID)
}
/////////////////
// Saved Filters
savedFilters, err := getSavedFiltersForUser(a)
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if err != nil {
return nil, 0, 0, err
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}
if len(savedFilters) > 0 {
savedFiltersPseudoNamespace := SavedFiltersPseudoNamespace
savedFiltersPseudoNamespace.Owner = doer
namespaces[savedFiltersPseudoNamespace.ID] = &NamespaceWithLists{
Namespace: savedFiltersPseudoNamespace,
Lists: make([]*List, 0, len(savedFilters)),
}
for _, filter := range savedFilters {
namespaces[savedFiltersPseudoNamespace.ID].Lists = append(namespaces[savedFiltersPseudoNamespace.ID].Lists, &List{
ID: getListIDFromSavedFilterID(filter.ID),
Title: filter.Title,
Description: filter.Description,
Created: filter.Created,
Updated: filter.Updated,
Owner: doer,
})
}
}
//////////////////////
// Put it all together (and sort it)
all := make([]*NamespaceWithLists, 0, len(namespaces))
for _, n := range namespaces {
n.Owner = userMap[n.OwnerID]
all = append(all, n)
}
sort.Slice(all, func(i, j int) bool {
return all[i].ID < all[j].ID
})
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return all, len(all), numberOfTotalItems, nil
}
// Create implements the creation method via the interface
// @Summary Creates a new namespace
// @Description Creates a new namespace.
// @tags namespace
// @Accept json
// @Produce json
// @Security JWTKeyAuth
// @Param namespace body models.Namespace true "The namespace you want to create."
// @Success 200 {object} models.Namespace "The created namespace."
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// @Failure 400 {object} web.HTTPError "Invalid namespace object provided."
// @Failure 403 {object} web.HTTPError "The user does not have access to the namespace"
// @Failure 500 {object} models.Message "Internal error"
// @Router /namespaces [put]
func (n *Namespace) Create(a web.Auth) (err error) {
// Check if we have at least a name
if n.Title == "" {
return ErrNamespaceNameCannotBeEmpty{NamespaceID: 0, UserID: a.GetID()}
}
n.ID = 0 // This would otherwise prevent the creation of new lists after one was created
// Check if the User exists
n.Owner, err = user.GetUserByID(a.GetID())
if err != nil {
return
}
n.OwnerID = n.Owner.ID
// Insert
if _, err = x.Insert(n); err != nil {
return err
}
metrics.UpdateCount(1, metrics.NamespaceCountKey)
return
}
// CreateNewNamespaceForUser creates a new namespace for a user. To prevent import cycles, we can't do that
// directly in the user.Create function.
func CreateNewNamespaceForUser(user *user.User) (err error) {
newN := &Namespace{
Title: user.Username,
Description: user.Username + "'s namespace.",
}
return newN.Create(user)
}
// Delete deletes a namespace
// @Summary Deletes a namespace
// @Description Delets a namespace
// @tags namespace
// @Produce json
// @Security JWTKeyAuth
// @Param id path int true "Namespace ID"
// @Success 200 {object} models.Message "The namespace was successfully deleted."
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// @Failure 400 {object} web.HTTPError "Invalid namespace object provided."
// @Failure 403 {object} web.HTTPError "The user does not have access to the namespace"
// @Failure 500 {object} models.Message "Internal error"
// @Router /namespaces/{id} [delete]
func (n *Namespace) Delete() (err error) {
// Check if the namespace exists
_, err = GetNamespaceByID(n.ID)
if err != nil {
return
}
// Delete the namespace
_, err = x.ID(n.ID).Delete(&Namespace{})
if err != nil {
return
}
// Delete all lists with their tasks
lists, err := GetListsByNamespaceID(n.ID, &user.User{})
if err != nil {
return
}
var listIDs []int64
// We need to do that for here because we need the list ids to delete two times:
// 1) to delete the lists itself
// 2) to delete the list tasks
for _, l := range lists {
listIDs = append(listIDs, l.ID)
}
// Delete tasks
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_, err = x.In("list_id", listIDs).Delete(&Task{})
if err != nil {
return
}
// Delete the lists
_, err = x.In("id", listIDs).Delete(&List{})
if err != nil {
return
}
metrics.UpdateCount(-1, metrics.NamespaceCountKey)
return
}
// Update implements the update method via the interface
// @Summary Updates a namespace
// @Description Updates a namespace.
// @tags namespace
// @Accept json
// @Produce json
// @Security JWTKeyAuth
// @Param id path int true "Namespace ID"
// @Param namespace body models.Namespace true "The namespace with updated values you want to update."
// @Success 200 {object} models.Namespace "The updated namespace."
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// @Failure 400 {object} web.HTTPError "Invalid namespace object provided."
// @Failure 403 {object} web.HTTPError "The user does not have access to the namespace"
// @Failure 500 {object} models.Message "Internal error"
// @Router /namespace/{id} [post]
func (n *Namespace) Update() (err error) {
// Check if we have at least a name
if n.Title == "" {
return ErrNamespaceNameCannotBeEmpty{NamespaceID: n.ID}
}
// Check if the namespace exists
currentNamespace, err := GetNamespaceByID(n.ID)
if err != nil {
return
}
// Check if the namespace is archived and the update is not un-archiving it
if currentNamespace.IsArchived && n.IsArchived {
return ErrNamespaceIsArchived{NamespaceID: n.ID}
}
// Check if the (new) owner exists
if n.Owner != nil {
n.OwnerID = n.Owner.ID
if currentNamespace.OwnerID != n.OwnerID {
n.Owner, err = user.GetUserByID(n.OwnerID)
if err != nil {
return
}
}
}
// We need to specify the cols we want to update here to be able to un-archive lists
colsToUpdate := []string{
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"title",
"is_archived",
"hex_color",
}
if n.Description != "" {
colsToUpdate = append(colsToUpdate, "description")
}
// Do the actual update
_, err = x.
ID(currentNamespace.ID).
Cols(colsToUpdate...).
Update(n)
return
}