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// Copyright 2019 Gitea. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package models
import (
"encoding/json"
"fmt"
migration "code.gitea.io/gitea/modules/migrations/base"
"code.gitea.io/gitea/modules/structs"
"code.gitea.io/gitea/modules/timeutil"
"xorm.io/builder"
)
// Task represents a task
type Task struct {
ID int64
DoerID int64 `xorm:"index"` // operator
Doer *User `xorm:"-"`
OwnerID int64 `xorm:"index"` // repo owner id, when creating, the repoID maybe zero
Owner *User `xorm:"-"`
RepoID int64 `xorm:"index"`
Repo *Repository `xorm:"-"`
Type structs.TaskType
Status structs.TaskStatus `xorm:"index"`
StartTime timeutil.TimeStamp
EndTime timeutil.TimeStamp
PayloadContent string `xorm:"TEXT"`
Errors string `xorm:"TEXT"` // if task failed, saved the error reason
Created timeutil.TimeStamp `xorm:"created"`
}
// LoadRepo loads repository of the task
func (task *Task) LoadRepo() error {
return task.loadRepo(x)
}
func (task *Task) loadRepo(e Engine) error {
if task.Repo != nil {
return nil
}
var repo Repository
has, err := e.ID(task.RepoID).Get(&repo)
if err != nil {
return err
} else if !has {
return ErrRepoNotExist{
ID: task.RepoID,
}
}
task.Repo = &repo
return nil
}
// LoadDoer loads do user
func (task *Task) LoadDoer() error {
if task.Doer != nil {
return nil
}
var doer User
has, err := x.ID(task.DoerID).Get(&doer)
if err != nil {
return err
} else if !has {
return ErrUserNotExist{
UID: task.DoerID,
}
}
task.Doer = &doer
return nil
}
// LoadOwner loads owner user
func (task *Task) LoadOwner() error {
if task.Owner != nil {
return nil
}
var owner User
has, err := x.ID(task.OwnerID).Get(&owner)
if err != nil {
return err
} else if !has {
return ErrUserNotExist{
UID: task.OwnerID,
}
}
task.Owner = &owner
return nil
}
// UpdateCols updates some columns
func (task *Task) UpdateCols(cols ...string) error {
_, err := x.ID(task.ID).Cols(cols...).Update(task)
return err
}
// MigrateConfig returns task config when migrate repository
func (task *Task) MigrateConfig() (*migration.MigrateOptions, error) {
if task.Type == structs.TaskTypeMigrateRepo {
var opts migration.MigrateOptions
err := json.Unmarshal([]byte(task.PayloadContent), &opts)
if err != nil {
return nil, err
}
return &opts, nil
}
return nil, fmt.Errorf("Task type is %s, not Migrate Repo", task.Type.Name())
}
// ErrTaskDoesNotExist represents a "TaskDoesNotExist" kind of error.
type ErrTaskDoesNotExist struct {
ID int64
RepoID int64
Type structs.TaskType
}
// IsErrTaskDoesNotExist checks if an error is a ErrTaskIsNotExist.
func IsErrTaskDoesNotExist(err error) bool {
_, ok := err.(ErrTaskDoesNotExist)
return ok
}
func (err ErrTaskDoesNotExist) Error() string {
return fmt.Sprintf("task is not exist [id: %d, repo_id: %d, type: %d]",
err.ID, err.RepoID, err.Type)
}
// GetMigratingTask returns the migrating task by repo's id
func GetMigratingTask(repoID int64) (*Task, error) {
var task = Task{
RepoID: repoID,
Type: structs.TaskTypeMigrateRepo,
}
has, err := x.Get(&task)
if err != nil {
return nil, err
} else if !has {
return nil, ErrTaskDoesNotExist{0, repoID, task.Type}
}
return &task, nil
}
// GetMigratingTaskByID returns the migrating task by repo's id
func GetMigratingTaskByID(id, doerID int64) (*Task, *migration.MigrateOptions, error) {
var task = Task{
ID: id,
DoerID: doerID,
Type: structs.TaskTypeMigrateRepo,
}
has, err := x.Get(&task)
if err != nil {
return nil, nil, err
} else if !has {
return nil, nil, ErrTaskDoesNotExist{id, 0, task.Type}
}
var opts migration.MigrateOptions
if err := json.Unmarshal([]byte(task.PayloadContent), &opts); err != nil {
return nil, nil, err
}
return &task, &opts, nil
}
// FindTaskOptions find all tasks
type FindTaskOptions struct {
Status int
}
// ToConds generates conditions for database operation.
func (opts FindTaskOptions) ToConds() builder.Cond {
var cond = builder.NewCond()
if opts.Status >= 0 {
cond = cond.And(builder.Eq{"status": opts.Status})
}
return cond
}
// FindTasks find all tasks
func FindTasks(opts FindTaskOptions) ([]*Task, error) {
var tasks = make([]*Task, 0, 10)
err := x.Where(opts.ToConds()).Find(&tasks)
return tasks, err
}
// CreateTask creates a task on database
func CreateTask(task *Task) error {
return createTask(x, task)
}
func createTask(e Engine, task *Task) error {
_, err := e.Insert(task)
return err
}
// FinishMigrateTask updates database when migrate task finished
func FinishMigrateTask(task *Task) error {
task.Status = structs.TaskStatusFinished
task.EndTime = timeutil.TimeStampNow()
sess := x.NewSession()
defer sess.Close()
if err := sess.Begin(); err != nil {
return err
}
if _, err := sess.ID(task.ID).Cols("status", "end_time").Update(task); err != nil {
return err
}
task.Repo.Status = RepositoryReady
if _, err := sess.ID(task.RepoID).Cols("status").Update(task.Repo); err != nil {
return err
}
return sess.Commit()
}
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