vikunja-api/pkg/models/list_tasks_create_update.go

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// 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/api/pkg/metrics"
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"code.vikunja.io/web"
"github.com/imdario/mergo"
)
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// Create is the implementation to create a list task
// @Summary Create a task
// @Description Inserts a task into a list.
// @tags task
// @Accept json
// @Produce json
// @Security ApiKeyAuth
// @Param id path int true "List ID"
// @Param task body models.ListTask true "The task object"
// @Success 200 {object} models.ListTask "The created task object."
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// @Failure 400 {object} code.vikunja.io/web.HTTPError "Invalid task object provided."
// @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} [put]
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func (t *ListTask) Create(a web.Auth) (err error) {
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doer, err := getUserWithError(a)
if err != nil {
return err
}
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t.ID = 0
// Check if we have at least a text
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if t.Text == "" {
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return ErrListTaskCannotBeEmpty{}
}
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// Check if the list exists
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l := &List{ID: t.ListID}
if err = l.GetSimpleByID(); err != nil {
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return
}
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u, err := GetUserByID(doer.ID)
if err != nil {
return err
}
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t.CreatedByID = u.ID
t.CreatedBy = u
if _, err = x.Insert(t); err != nil {
return err
}
// Update the assignees
if err := t.updateTaskAssignees(t.Assignees); err != nil {
return err
}
metrics.UpdateCount(1, metrics.TaskCountKey)
return
}
// Update updates a list task
// @Summary Update a task
// @Description Updates a task. This includes marking it as done.
// @tags task
// @Accept json
// @Produce json
// @Security ApiKeyAuth
// @Param id path int true "Task ID"
// @Param task body models.ListTask true "The task object"
// @Success 200 {object} models.ListTask "The updated task object."
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// @Failure 400 {object} code.vikunja.io/web.HTTPError "Invalid task object provided."
// @Failure 403 {object} code.vikunja.io/web.HTTPError "The user does not have access to the task (aka its list)"
// @Failure 500 {object} models.Message "Internal error"
// @Router /tasks/{id} [post]
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func (t *ListTask) Update() (err error) {
// Check if the task exists
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ot, err := GetListTaskByID(t.ID)
if err != nil {
return
}
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// When a repeating task is marked as done, we update all deadlines and reminders and set it as undone
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updateDone(&ot, t)
// Update the assignees
if err := ot.updateTaskAssignees(t.Assignees); err != nil {
return err
}
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// For whatever reason, xorm dont detect if done is updated, so we need to update this every time by hand
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// Which is why we merge the actual task struct with the one we got from the
// The user struct overrides values in the actual one.
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if err := mergo.Merge(&ot, t, mergo.WithOverride); err != nil {
return err
}
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// And because a false is considered to be a null value, we need to explicitly check that case here.
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if t.Done == false {
ot.Done = false
}
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_, err = x.ID(t.ID).
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Cols("text",
"description",
"done",
"due_date_unix",
"reminders_unix",
"repeat_after",
"parent_task_id",
"priority",
"start_date_unix",
"end_date_unix").
Update(ot)
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*t = ot
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return
}
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func updateDone(oldTask *ListTask, newTask *ListTask) {
if !oldTask.Done && newTask.Done && oldTask.RepeatAfter > 0 {
oldTask.DueDateUnix = oldTask.DueDateUnix + oldTask.RepeatAfter // assuming we'll save the old task (merged)
for in, r := range oldTask.RemindersUnix {
oldTask.RemindersUnix[in] = r + oldTask.RepeatAfter
}
newTask.Done = false
}
}
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// Create a bunch of task assignees
func (t *ListTask) updateTaskAssignees(assignees []*User) (err error) {
// Get old assignees to delete
var found bool
var assigneesToDelete []int64
for _, oldAssignee := range t.Assignees {
found = false
for _, newAssignee := range assignees {
if newAssignee.ID == oldAssignee.ID {
found = true // If a new assignee is already in the list with old assignees
break
}
}
// Put all assignees which are only on the old list to the trash
if !found {
assigneesToDelete = append(assigneesToDelete, oldAssignee.ID)
}
}
// Delete all assignees not passed
if len(assigneesToDelete) > 0 {
_, err = x.In("user_id", assigneesToDelete).
And("task_id = ?", t.ID).
Delete(ListTaskAssginee{})
if err != nil {
return err
}
}
// Get the list to perform later checks
list := List{ID: t.ListID}
err = list.ReadOne()
if err != nil {
return
}
// Loop through our users and add them
AddNewAssignee:
for _, u := range assignees {
// Check if the user is already assigned and assign him only if not
for _, oldAssignee := range t.Assignees {
if oldAssignee.ID == u.ID {
// continue outer loop
continue AddNewAssignee
}
}
// Check if the user exists and has access to the list
newAssignee, err := GetUserByID(u.ID)
if err != nil {
return err
}
if !list.CanRead(&newAssignee) {
return ErrUserDoesNotHaveAccessToList{list.ID, u.ID}
}
_, err = x.Insert(ListTaskAssginee{
TaskID: t.ID,
UserID: u.ID,
})
if err != nil {
return err
}
}
return
}