// Vikunja is a todo-list application to facilitate your life. // Copyright 2018-2020 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 . package models import ( "code.vikunja.io/api/pkg/metrics" "code.vikunja.io/api/pkg/user" "code.vikunja.io/web" "github.com/imdario/mergo" "time" ) // Namespace holds informations about a namespace type Namespace struct { // The unique, numeric id of this namespace. ID int64 `xorm:"int(11) autoincr not null unique pk" json:"id" param:"namespace"` // The name of this namespace. Name string `xorm:"varchar(250) not null" json:"name" valid:"required,runelength(5|250)" minLength:"5" maxLength:"250"` // The description of the namespace Description string `xorm:"longtext null" json:"description"` OwnerID int64 `xorm:"int(11) not null INDEX" json:"-"` // The user who owns this namespace Owner *user.User `xorm:"-" json:"owner" valid:"-"` // A unix timestamp when this namespace was created. You cannot change this value. Created int64 `xorm:"created not null" json:"created"` // A unix timestamp when this namespace was last updated. You cannot change this value. Updated int64 `xorm:"updated not null" json:"updated"` web.CRUDable `xorm:"-" json:"-"` web.Rights `xorm:"-" json:"-"` } // PseudoNamespace is a pseudo namespace used to hold shared lists var PseudoNamespace = Namespace{ ID: -1, Name: "Shared Lists", Description: "Lists of other users shared with you via teams or directly.", Created: time.Now().Unix(), Updated: time.Now().Unix(), } // 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 = PseudoNamespace return } namespaceFromDB := &Namespace{} exists, err := x.Where("id = ?", n.ID).Get(namespaceFromDB) if err != nil { return } if !exists { return ErrNamespaceDoesNotExist{ID: n.ID} } // 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 } // ReadOne gets one namespace // @Summary Gets one namespace // @Description Returns a namespace by its ID. // @tags namespace // @Accept json // @Produce json // @Security JWTKeyAuth // @Param id path int true "Namespace ID" // @Success 200 {object} models.Namespace "The Namespace" // @Failure 403 {object} code.vikunja.io/web.HTTPError "The user does not have access to that namespace." // @Failure 500 {object} models.Message "Internal error" // @Router /namespaces/{id} [get] func (n *Namespace) ReadOne() (err error) { // Get the namespace Owner n.Owner, err = user.GetUserByID(n.OwnerID) 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 // @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." // @Security JWTKeyAuth // @Success 200 {array} models.NamespaceWithLists "The Namespaces." // @Failure 500 {object} models.Message "Internal error" // @Router /namespaces [get] 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 { return nil, 0, 0, ErrGenericForbidden{} } doer, err := user.GetFromAuth(a) if err != nil { return nil, 0, 0, err } all := []*NamespaceWithLists{} // Create our pseudo-namespace to hold the shared lists // We want this one at the beginning, which is why we create it here pseudonamespace := PseudoNamespace pseudonamespace.Owner = doer all = append(all, &NamespaceWithLists{ pseudonamespace, []*List{}, }) err = 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"). 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). GroupBy("namespaces.id"). Limit(getLimitFromPageIndex(page, perPage)). Where("namespaces.name LIKE ?", "%"+search+"%"). Find(&all) if err != nil { return all, 0, 0, err } // Get all users users := []*user.User{} err = x.Select("users.*"). 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"). Join("INNER", "users", "users.id = namespaces.owner_id"). Where("team_members.user_id = ?", doer.ID). Or("namespaces.owner_id = ?", doer.ID). Or("users_namespace.user_id = ?", doer.ID). GroupBy("users.id"). Find(&users) if err != nil { return all, 0, 0, err } // Make a list of namespace ids var namespaceids []int64 for _, nsp := range all { namespaceids = append(namespaceids, nsp.ID) } // Get all lists lists := []*List{} err = x. In("namespace_id", namespaceids). Find(&lists) if err != nil { return all, 0, 0, err } // Get all lists individually shared with our user (not via a namespace) individualLists := []*List{} err = 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"). Find(&individualLists) if err != nil { 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 pseudonamespace if we don't have any shared lists if len(individualLists) == 0 { all = append(all[:0], all[1:]...) } // More details for the lists err = AddListDetails(lists) if err != nil { return nil, 0, 0, err } // Put objects in our namespace list // TODO: Refactor this to use maps for better efficiency for i, n := range all { // Users for _, u := range users { if n.OwnerID == u.ID { all[i].Owner = u break } } // List infos for _, l := range lists { if n.ID == l.NamespaceID { all[i].Lists = append(all[i].Lists, l) } } } 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). GroupBy("namespaces.id"). Where("namespaces.name LIKE ?", "%"+search+"%"). Count(&NamespaceWithLists{}) if err != nil { return all, 0, 0, err } 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." // @Failure 400 {object} code.vikunja.io/web.HTTPError "Invalid namespace object provided." // @Failure 403 {object} code.vikunja.io/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.Name == "" { 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 } // 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." // @Failure 400 {object} code.vikunja.io/web.HTTPError "Invalid namespace object provided." // @Failure 403 {object} code.vikunja.io/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 _, 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." // @Failure 400 {object} code.vikunja.io/web.HTTPError "Invalid namespace object provided." // @Failure 403 {object} code.vikunja.io/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.Name == "" { return ErrNamespaceNameCannotBeEmpty{NamespaceID: n.ID} } // Check if the namespace exists currentNamespace, err := GetNamespaceByID(n.ID) if err != nil { return } // Check if the (new) owner exists n.OwnerID = n.Owner.ID if currentNamespace.OwnerID != n.OwnerID { n.Owner, err = user.GetUserByID(n.OwnerID) if err != nil { return } } // Do the actual update _, err = x.ID(currentNamespace.ID).Update(n) return }