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https://github.com/go-vikunja/vikunja.git
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kolaente
814f164e33
Indexes come from an atomic counter increment instead of MAX(index)+1, so retired indexes are never reused. Client-supplied indexes are ignored; import and duplication keep presets above the old high-water mark. Moving a task records its old address as an alias; the task row is read under a row lock so concurrent moves serialize. Task bucket inserts are chunked since whole batches now go through one create.
58 lines
2.4 KiB
Go
58 lines
2.4 KiB
Go
// Vikunja is a to-do list application to facilitate your life.
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// Copyright 2018-present Vikunja and contributors. All rights reserved.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package models
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import (
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"code.vikunja.io/api/pkg/web"
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"xorm.io/xorm"
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)
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// MaxTasksPerBulkCreation is the maximum number of tasks one bulk creation request may contain.
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const MaxTasksPerBulkCreation = 100
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// BulkTaskCreation is a helper struct to create multiple tasks in one project at once.
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type BulkTaskCreation struct {
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ProjectID int64 `json:"-"`
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// The maxItems tag cannot reference MaxTasksPerBulkCreation; TestBulkTaskCreation_TaskLimitTag pins them together.
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Tasks []*Task `json:"tasks" minItems:"1" maxItems:"100" doc:"The tasks to create. Each entry accepts the same fields as the single-task create endpoint. Creation is atomic: if one task is invalid, none are created."`
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web.CRUDable `xorm:"-" json:"-"`
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web.Permissions `xorm:"-" json:"-"`
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}
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// CanCreate checks if a user may create tasks in the project — one write check covers the whole batch since all tasks land in the same project.
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func (btc *BulkTaskCreation) CanCreate(s *xorm.Session, a web.Auth) (bool, error) {
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p := &Project{ID: btc.ProjectID}
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return p.CanWrite(s, a)
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}
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// Create creates all tasks of the batch in one transaction — an invalid task rolls back everything and the error names its index.
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func (btc *BulkTaskCreation) Create(s *xorm.Session, a web.Auth) (err error) {
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if len(btc.Tasks) == 0 || len(btc.Tasks) > MaxTasksPerBulkCreation {
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return ErrInvalidBulkTaskCreationCount{Count: len(btc.Tasks)}
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}
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for i, t := range btc.Tasks {
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if t == nil {
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return ErrInvalidTaskInBulkCreation{Index: i, Err: ErrTaskCannotBeEmpty{}}
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}
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t.Position = 0
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}
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return createTasks(s, btc.ProjectID, btc.Tasks, a, true, true, false)
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}
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