api/pkg/models/label.go

227 lines
7.0 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"
"time"
)
// Label represents a label
type Label struct {
// The unique, numeric id of this label.
ID int64 `xorm:"int(11) autoincr not null unique pk" json:"id" param:"label"`
// The title of the lable. You'll see this one on tasks associated with it.
Title string `xorm:"varchar(250) not null" json:"title" valid:"runelength(3|250)" minLength:"3" maxLength:"250"`
// The label description.
Description string `xorm:"longtext null" json:"description"`
// The color this label has
HexColor string `xorm:"varchar(6) null" json:"hex_color" valid:"runelength(0|6)" maxLength:"6"`
CreatedByID int64 `xorm:"int(11) not null" json:"-"`
// The user who created this label
CreatedBy *User `xorm:"-" json:"created_by"`
// A unix timestamp when this label was created. You cannot change this value.
Created int64 `xorm:"created not null" json:"created"`
// A unix timestamp when this label was last updated. You cannot change this value.
Updated int64 `xorm:"updated not null" json:"updated"`
web.CRUDable `xorm:"-" json:"-"`
web.Rights `xorm:"-" json:"-"`
}
// TableName makes a pretty table name
func (Label) TableName() string {
return "labels"
}
// Create creates a new label
// @Summary Create a label
// @Description Creates a new label.
// @tags labels
// @Accept json
// @Produce json
// @Security JWTKeyAuth
// @Param label body models.Label true "The label object"
// @Success 200 {object} models.Label "The created label object."
// @Failure 400 {object} code.vikunja.io/web.HTTPError "Invalid label object provided."
// @Failure 500 {object} models.Message "Internal error"
// @Router /labels [put]
func (l *Label) Create(a web.Auth) (err error) {
u, err := getUserWithError(a)
if err != nil {
return
}
l.CreatedBy = u
l.CreatedByID = u.ID
_, err = x.Insert(l)
return
}
// Update updates a label
// @Summary Update a label
// @Description Update an existing label. The user needs to be the creator of the label to be able to do this.
// @tags labels
// @Accept json
// @Produce json
// @Security JWTKeyAuth
// @Param id path int true "Label ID"
// @Param label body models.Label true "The label object"
// @Success 200 {object} models.Label "The created label object."
// @Failure 400 {object} code.vikunja.io/web.HTTPError "Invalid label object provided."
// @Failure 403 {object} code.vikunja.io/web.HTTPError "Not allowed to update the label."
// @Failure 404 {object} code.vikunja.io/web.HTTPError "Label not found."
// @Failure 500 {object} models.Message "Internal error"
// @Router /labels/{id} [put]
func (l *Label) Update() (err error) {
_, err = x.ID(l.ID).Update(l)
if err != nil {
return
}
err = l.ReadOne()
return
}
// Delete deletes a label
// @Summary Delete a label
// @Description Delete an existing label. The user needs to be the creator of the label to be able to do this.
// @tags labels
// @Accept json
// @Produce json
// @Security JWTKeyAuth
// @Param id path int true "Label ID"
// @Success 200 {object} models.Label "The label was successfully deleted."
// @Failure 403 {object} code.vikunja.io/web.HTTPError "Not allowed to delete the label."
// @Failure 404 {object} code.vikunja.io/web.HTTPError "Label not found."
// @Failure 500 {object} models.Message "Internal error"
// @Router /labels/{id} [delete]
func (l *Label) Delete() (err error) {
_, err = x.ID(l.ID).Delete(&Label{})
return err
}
// ReadAll gets all labels a user can use
// @Summary Get all labels a user has access to
// @Description Returns all labels which are either created by the user or associated with a task the user has at least read-access to.
// @tags labels
// @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 labels by label text."
// @Security JWTKeyAuth
// @Success 200 {array} models.Label "The labels"
// @Failure 500 {object} models.Message "Internal error"
// @Router /labels [get]
func (l *Label) ReadAll(a web.Auth, search string, page int, perPage int) (ls interface{}, resultCount int, numberOfEntries int64, err error) {
if _, is := a.(*LinkSharing); is {
return nil, 0, 0, ErrGenericForbidden{}
}
u := &User{ID: a.GetID()}
// Get all tasks
taskIDs, err := getUserTaskIDs(u)
if err != nil {
return nil, 0, 0, err
}
return getLabelsByTaskIDs(&LabelByTaskIDsOptions{
Search: search,
User: u,
TaskIDs: taskIDs,
Page: page,
PerPage: perPage,
GetUnusedLabels: true,
GroupByLabelIDsOnly: true,
})
}
// ReadOne gets one label
// @Summary Gets one label
// @Description Returns one label by its ID.
// @tags labels
// @Accept json
// @Produce json
// @Param id path int true "Label ID"
// @Security JWTKeyAuth
// @Success 200 {object} models.Label "The label"
// @Failure 403 {object} code.vikunja.io/web.HTTPError "The user does not have access to the label"
// @Failure 404 {object} code.vikunja.io/web.HTTPError "Label not found"
// @Failure 500 {object} models.Message "Internal error"
// @Router /labels/{id} [get]
func (l *Label) ReadOne() (err error) {
label, err := getLabelByIDSimple(l.ID)
if err != nil {
return err
}
*l = *label
user, err := GetUserByID(l.CreatedByID)
if err != nil {
return err
}
l.CreatedBy = user
return
}
func getLabelByIDSimple(labelID int64) (*Label, error) {
label := Label{}
exists, err := x.ID(labelID).Get(&label)
if err != nil {
return &label, err
}
if !exists {
return &Label{}, ErrLabelDoesNotExist{labelID}
}
return &label, err
}
// Helper method to get all task ids a user has
func getUserTaskIDs(u *User) (taskIDs []int64, err error) {
// Get all lists
lists, _, _, err := getRawListsForUser("", u, -1, 0)
if err != nil {
return nil, err
}
tasks, _, _, err := getRawTasksForLists(lists, &taskOptions{
startDate: time.Unix(0, 0),
endDate: time.Unix(0, 0),
sortby: SortTasksByUnsorted,
page: -1,
perPage: 0,
})
if err != nil {
return nil, err
}
// make a slice of task ids
for _, t := range tasks {
taskIDs = append(taskIDs, t.ID)
}
return
}