vikunja-api/pkg/models/list.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 (
"time"
"code.vikunja.io/api/pkg/files"
"code.vikunja.io/api/pkg/metrics"
"code.vikunja.io/api/pkg/user"
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"code.vikunja.io/web"
"xorm.io/builder"
"xorm.io/xorm"
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)
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// List represents a list of tasks
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type List struct {
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// The unique, numeric id of this list.
ID int64 `xorm:"int(11) autoincr not null unique pk" json:"id" param:"list"`
// The title of the list. You'll see this in the namespace overview.
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 list.
Description string `xorm:"longtext null" json:"description"`
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// The unique list short identifier. Used to build task identifiers.
Identifier string `xorm:"varchar(10) null" json:"identifier" valid:"runelength(0|10)" minLength:"0" maxLength:"10"`
// The hex color of this list
HexColor string `xorm:"varchar(6) null" json:"hex_color" valid:"runelength(0|6)" maxLength:"6"`
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OwnerID int64 `xorm:"int(11) INDEX not null" json:"-"`
NamespaceID int64 `xorm:"int(11) INDEX not null" json:"namespace_id" param:"namespace"`
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// The user who created this list.
Owner *user.User `xorm:"-" json:"owner" valid:"-"`
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// An array of tasks which belong to the list.
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// Deprecated: you should use the dedicated task list endpoint because it has support for pagination and filtering
Tasks []*Task `xorm:"-" json:"-"`
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// Only used for migration.
Buckets []*Bucket `xorm:"-" json:"-"`
// Whether or not a list is archived.
IsArchived bool `xorm:"not null default false" json:"is_archived" query:"is_archived"`
// The id of the file this list has set as background
BackgroundFileID int64 `xorm:"null" json:"-"`
// Holds extra information about the background set since some background providers require attribution or similar. If not null, the background can be accessed at /lists/{listID}/background
BackgroundInformation interface{} `xorm:"-" json:"background_information"`
// True if a list is a favorite. Favorite lists show up in a separate namespace.
IsFavorite bool `xorm:"default false" json:"is_favorite"`
// A timestamp when this list was created. You cannot change this value.
Created time.Time `xorm:"created not null" json:"created"`
// A timestamp when this list 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:"-"`
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}
// ListBackgroundType holds a list background type
type ListBackgroundType struct {
Type string
}
// ListBackgroundUpload represents the list upload background type
const ListBackgroundUpload string = "upload"
// FavoritesPseudoList holds all tasks marked as favorites
var FavoritesPseudoList = List{
ID: -1,
Title: "Favorites",
Description: "This list has all tasks marked as favorites.",
NamespaceID: FavoritesPseudoNamespace.ID,
IsFavorite: true,
Created: time.Now(),
Updated: time.Now(),
}
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// GetListsByNamespaceID gets all lists in a namespace
func GetListsByNamespaceID(nID int64, doer *user.User) (lists []*List, err error) {
if nID == -1 {
err = x.Select("l.*").
Table("list").
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").
Join("LEFT", []string{"namespaces", "n"}, "l.namespace_id = n.id").
Where("tm.user_id = ?", doer.ID).
Where("l.is_archived = false").
Where("n.is_archived = false").
Or("ul.user_id = ?", doer.ID).
GroupBy("l.id").
Find(&lists)
} else {
err = x.Select("l.*").
Alias("l").
Join("LEFT", []string{"namespaces", "n"}, "l.namespace_id = n.id").
Where("l.is_archived = false").
Where("n.is_archived = false").
Where("namespace_id = ?", nID).
Find(&lists)
}
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if err != nil {
return nil, err
}
// get more list details
err = AddListDetails(lists)
return lists, err
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}
// 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
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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 lists by title."
// @Param is_archived query bool false "If true, also returns all archived lists."
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// @Security JWTKeyAuth
// @Success 200 {array} models.List "The lists"
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// @Failure 403 {object} web.HTTPError "The user does not have access to the list"
// @Failure 500 {object} models.Message "Internal error"
// @Router /lists [get]
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func (l *List) ReadAll(a web.Auth, search string, page int, perPage int) (result interface{}, resultCount int, totalItems int64, err error) {
// Check if we're dealing with a share auth
shareAuth, ok := a.(*LinkSharing)
if ok {
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list := &List{ID: shareAuth.ListID}
err := list.GetSimpleByID()
if err != nil {
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return nil, 0, 0, err
}
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lists := []*List{list}
err = AddListDetails(lists)
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return lists, 0, 0, err
}
lists, resultCount, totalItems, err := getRawListsForUser(&listOptions{
search: search,
user: &user.User{ID: a.GetID()},
page: page,
perPage: perPage,
isArchived: l.IsArchived,
})
if err != nil {
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return nil, 0, 0, err
}
// Add more list details
err = AddListDetails(lists)
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return lists, resultCount, totalItems, err
}
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// ReadOne gets one list by its ID
// @Summary Gets one list
// @Description Returns a list by its ID.
// @tags list
// @Accept json
// @Produce json
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// @Security JWTKeyAuth
// @Param id path int true "List ID"
// @Success 200 {object} models.List "The list"
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// @Failure 403 {object} web.HTTPError "The user does not have access to the list"
// @Failure 500 {object} models.Message "Internal error"
// @Router /lists/{id} [get]
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func (l *List) ReadOne() (err error) {
if l.ID == FavoritesPseudoList.ID {
// Already "built" the list in CanRead
return nil
}
// Check for saved filters
if getSavedFilterIDFromListID(l.ID) > 0 {
sf, err := getSavedFilterSimpleByID(getSavedFilterIDFromListID(l.ID))
if err != nil {
return err
}
l.Title = sf.Title
l.Description = sf.Description
l.Created = sf.Created
l.Updated = sf.Updated
l.OwnerID = sf.OwnerID
}
// Get list owner
l.Owner, err = user.GetUserByID(l.OwnerID)
if err != nil {
return err
}
// Check if the namespace is archived and set the namespace to archived if it is not already archived individually.
if !l.IsArchived {
err = l.CheckIsArchived()
if err != nil {
if !IsErrNamespaceIsArchived(err) && !IsErrListIsArchived(err) {
return
}
l.IsArchived = true
}
}
// Get any background information if there is one set
if l.BackgroundFileID != 0 {
// Unsplash image
l.BackgroundInformation, err = GetUnsplashPhotoByFileID(l.BackgroundFileID)
if err != nil && !files.IsErrFileIsNotUnsplashFile(err) {
return
}
if err != nil && files.IsErrFileIsNotUnsplashFile(err) {
l.BackgroundInformation = &ListBackgroundType{Type: ListBackgroundUpload}
}
}
return nil
}
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// 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) {
s := x.NewSession()
err = l.getSimpleByID(s)
if err != nil {
_ = s.Rollback()
return err
}
return nil
}
func (l *List) getSimpleByID(s *xorm.Session) (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 := s.Where("id = ?", id).Get(l)
if err != nil {
return
}
if !exists {
return ErrListDoesNotExist{ID: l.ID}
}
return
}
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// GetListSimplByTaskID gets a list by a task id
func GetListSimplByTaskID(taskID int64) (l *List, err error) {
// 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.
var list List
exists, err := x.
Select("list.*").
Table(List{}).
Join("INNER", "tasks", "list.id = tasks.list_id").
Where("tasks.id = ?", taskID).
Get(&list)
if err != nil {
return
}
if !exists {
return &List{}, ErrListDoesNotExist{ID: l.ID}
}
return &list, nil
}
// GetListsByIDs returns a map of lists from a slice with list ids
func GetListsByIDs(listIDs []int64) (lists map[int64]*List, err error) {
lists = make(map[int64]*List, len(listIDs))
err = x.In("id", listIDs).Find(&lists)
return
}
type listOptions struct {
search string
user *user.User
page int
perPage int
isArchived bool
}
// Gets the lists only, without any tasks or so
func getRawListsForUser(opts *listOptions) (lists []*List, resultCount int, totalItems int64, err error) {
fullUser, err := user.GetUserByID(opts.user.ID)
if err != nil {
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return nil, 0, 0, err
}
// 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 !opts.isArchived {
isArchivedCond = builder.And(
builder.Eq{"l.is_archived": false},
builder.Eq{"n.is_archived": false},
)
}
limit, start := getLimitFromPageIndex(opts.page, opts.perPage)
// 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
query := 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(builder.Or(
builder.Eq{"tm.user_id": fullUser.ID},
builder.Eq{"tm2.user_id": fullUser.ID},
builder.Eq{"ul.user_id": fullUser.ID},
builder.Eq{"un.user_id": fullUser.ID},
builder.Eq{"l.owner_id": fullUser.ID},
)).
GroupBy("l.id").
Where("l.title LIKE ?", "%"+opts.search+"%").
Where(isArchivedCond)
if limit > 0 {
query = query.Limit(limit, start)
}
err = query.Find(&lists)
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if err != nil {
return nil, 0, 0, err
}
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totalItems, err = x.
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(builder.Or(
builder.Eq{"tm.user_id": fullUser.ID},
builder.Eq{"tm2.user_id": fullUser.ID},
builder.Eq{"ul.user_id": fullUser.ID},
builder.Eq{"un.user_id": fullUser.ID},
builder.Eq{"l.owner_id": fullUser.ID},
)).
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GroupBy("l.id").
Where("l.title LIKE ?", "%"+opts.search+"%").
Where(isArchivedCond).
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Count(&List{})
return lists, len(lists), totalItems, err
}
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// AddListDetails adds owner user objects and list tasks to all lists in the slice
func AddListDetails(lists []*List) (err error) {
var ownerIDs []int64
for _, l := range lists {
ownerIDs = append(ownerIDs, l.OwnerID)
}
// Get all list owners
owners := map[int64]*user.User{}
err = x.In("id", ownerIDs).Find(&owners)
if err != nil {
return
}
var fileIDs []int64
for _, l := range lists {
if o, exists := owners[l.OwnerID]; exists {
l.Owner = o
}
if l.BackgroundFileID != 0 {
l.BackgroundInformation = &ListBackgroundType{Type: ListBackgroundUpload}
}
fileIDs = append(fileIDs, l.BackgroundFileID)
}
// Unsplash background file info
us := []*UnsplashPhoto{}
err = x.In("file_id", fileIDs).Find(&us)
if err != nil {
return
}
unsplashPhotos := make(map[int64]*UnsplashPhoto, len(us))
for _, u := range us {
unsplashPhotos[u.FileID] = u
}
// Build it all into the lists slice
for _, l := range lists {
// Only override the file info if we have info for unsplash backgrounds
if _, exists := unsplashPhotos[l.BackgroundFileID]; exists {
l.BackgroundInformation = unsplashPhotos[l.BackgroundFileID]
}
}
return
}
// NamespaceList is a meta type to be able to join a list with its namespace
type NamespaceList struct {
List List `xorm:"extends"`
Namespace Namespace `xorm:"extends"`
}
// CheckIsArchived returns an ErrListIsArchived or ErrNamespaceIsArchived if the list or its namespace is archived.
func (l *List) CheckIsArchived() (err error) {
// When creating a new list, we check if the namespace is archived
if l.ID == 0 {
n := &Namespace{ID: l.NamespaceID}
return n.CheckIsArchived()
}
nl := &NamespaceList{}
exists, err := x.
Table("list").
Join("LEFT", "namespaces", "list.namespace_id = namespaces.id").
Where("list.id = ? AND (list.is_archived = true OR namespaces.is_archived = true)", l.ID).
Get(nl)
if err != nil {
return
}
if exists && nl.List.ID != 0 && nl.List.IsArchived {
return ErrListIsArchived{ListID: l.ID}
}
if exists && nl.Namespace.ID != 0 && nl.Namespace.IsArchived {
return ErrNamespaceIsArchived{NamespaceID: nl.Namespace.ID}
}
return nil
}
// CreateOrUpdateList updates a list or creates it if it doesn't exist
func CreateOrUpdateList(list *List) (err error) {
// Check if the namespace exists
if list.NamespaceID != 0 && list.NamespaceID != FavoritesPseudoNamespace.ID {
_, err = GetNamespaceByID(list.NamespaceID)
if err != nil {
return err
}
}
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// Check if the identifier is unique and not empty
if list.Identifier != "" {
exists, err := x.
Where("identifier = ?", list.Identifier).
And("id != ?", list.ID).
Exist(&List{})
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if err != nil {
return err
}
if exists {
return ErrListIdentifierIsNotUnique{Identifier: list.Identifier}
}
}
if list.ID == 0 {
_, err = x.Insert(list)
metrics.UpdateCount(1, metrics.ListCountKey)
} else {
// We need to specify the cols we want to update here to be able to un-archive lists
colsToUpdate := []string{
"title",
"is_archived",
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"identifier",
"hex_color",
"is_favorite",
}
if list.Description != "" {
colsToUpdate = append(colsToUpdate, "description")
}
_, err = x.
ID(list.ID).
Cols(colsToUpdate...).
Update(list)
}
if err != nil {
return
}
err = list.GetSimpleByID()
if err != nil {
return
}
err = list.ReadOne()
return
}
// Update implements the update method of CRUDable
// @Summary Updates a list
// @Description Updates a list. This does not include adding a task (see below).
// @tags list
// @Accept json
// @Produce json
// @Security JWTKeyAuth
// @Param id path int true "List ID"
// @Param list body models.List true "The list with updated values you want to update."
// @Success 200 {object} models.List "The updated list."
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// @Failure 400 {object} web.HTTPError "Invalid list object provided."
// @Failure 403 {object} web.HTTPError "The user does not have access to the list"
// @Failure 500 {object} models.Message "Internal error"
// @Router /lists/{id} [post]
func (l *List) Update() (err error) {
return CreateOrUpdateList(l)
}
func updateListLastUpdated(list *List) (err error) {
s := x.NewSession()
err = updateListLastUpdatedS(s, list)
if err != nil {
_ = s.Rollback()
return err
}
return nil
}
func updateListLastUpdatedS(s *xorm.Session, list *List) error {
_, err := s.ID(list.ID).Cols("updated").Update(list)
return err
}
func updateListByTaskID(taskID int64) (err error) {
// need to get the task to update the list last updated timestamp
task, err := GetTaskByIDSimple(taskID)
if err != nil {
return err
}
return updateListLastUpdated(&List{ID: task.ListID})
}
// Create implements the create method of CRUDable
// @Summary Creates a new list
// @Description Creates a new list in a given namespace. The user needs write-access to the namespace.
// @tags list
// @Accept json
// @Produce json
// @Security JWTKeyAuth
// @Param namespaceID path int true "Namespace ID"
// @Param list body models.List true "The list you want to create."
// @Success 200 {object} models.List "The created list."
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// @Failure 400 {object} web.HTTPError "Invalid list object provided."
// @Failure 403 {object} web.HTTPError "The user does not have access to the list"
// @Failure 500 {object} models.Message "Internal error"
// @Router /namespaces/{namespaceID}/lists [put]
func (l *List) Create(a web.Auth) (err error) {
err = l.CheckIsArchived()
if err != nil {
return err
}
doer, err := user.GetFromAuth(a)
if err != nil {
return err
}
l.OwnerID = doer.ID
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l.Owner = doer
l.ID = 0 // Otherwise only the first time a new list would be created
err = CreateOrUpdateList(l)
if err != nil {
return
}
// Create a new first bucket for this list
b := &Bucket{
ListID: l.ID,
Title: "New Bucket",
}
return b.Create(a)
}
// Delete implements the delete method of CRUDable
// @Summary Deletes a list
// @Description Delets a list
// @tags list
// @Produce json
// @Security JWTKeyAuth
// @Param id path int true "List ID"
// @Success 200 {object} models.Message "The list was successfully deleted."
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// @Failure 400 {object} web.HTTPError "Invalid list object provided."
// @Failure 403 {object} web.HTTPError "The user does not have access to the list"
// @Failure 500 {object} models.Message "Internal error"
// @Router /lists/{id} [delete]
func (l *List) Delete() (err error) {
// Delete the list
_, err = x.ID(l.ID).Delete(&List{})
if err != nil {
return
}
metrics.UpdateCount(-1, metrics.ListCountKey)
// Delete all todotasks on that list
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_, err = x.Where("list_id = ?", l.ID).Delete(&Task{})
return
}
// SetListBackground sets a background file as list background in the db
func SetListBackground(listID int64, background *files.File) (err error) {
l := &List{
ID: listID,
BackgroundFileID: background.ID,
}
_, err = x.
Where("id = ?", l.ID).
Cols("background_file_id").
Update(l)
return
}