forked from qor5/admin
/
job.go
423 lines (354 loc) · 8.32 KB
/
job.go
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package worker
import (
"context"
"encoding/json"
"errors"
"fmt"
"log"
"net/http"
"reflect"
"strings"
"time"
"github.com/anshiii/playground-admin/presets"
vx "github.com/qor5/ui/vuetifyx"
"github.com/qor5/web"
"github.com/qor5/x/i18n"
. "github.com/theplant/htmlgo"
"gorm.io/gorm"
)
//go:generate moq -pkg mock -out mock/qor_job.go . QorJobInterface
type JobBuilder struct {
b *Builder
name string
r interface{}
rmb *presets.ModelBuilder
h JobHandler
contextHandler func(*web.EventContext) map[string]interface{} //optional
global bool
}
func newJob(b *Builder, name string) *JobBuilder {
if b == nil {
panic("builder is nil")
}
if strings.TrimSpace(name) == "" {
panic("name is empty")
}
return &JobBuilder{
b: b,
name: name,
global: true,
}
}
type JobHandler func(context.Context, QorJobInterface) error
// r should be ptr to struct
func (jb *JobBuilder) Resource(r interface{}) *JobBuilder {
{
v := reflect.TypeOf(r)
if v.Kind() != reflect.Ptr {
panic("resource is not ptr to struct")
}
if v.Elem().Kind() != reflect.Struct {
panic("resource is not ptr to struct")
}
}
jb.r = r
jb.rmb = jb.b.jpb.Model(r)
if _, ok := r.(Scheduler); ok {
jb.rmb.Editing().Field("ScheduleTime").ComponentFunc(func(obj interface{}, field *presets.FieldContext, ctx *web.EventContext) HTMLComponent {
msgr := i18n.MustGetModuleMessages(ctx.R, I18nWorkerKey, Messages_en_US).(*Messages)
t := obj.(Scheduler).GetScheduleTime()
var v string
if t != nil {
v = t.Local().Format("2006-01-02 15:04")
}
return vx.VXDateTimePicker().FieldName(field.Name).Label(msgr.ScheduleTime).
Value(v).
TimePickerProps(vx.TimePickerProps{
Format: "24hr",
Scrollable: true,
}).
ClearText(msgr.DateTimePickerClearText).OkText(msgr.DateTimePickerOkText)
}).SetterFunc(func(obj interface{}, field *presets.FieldContext, ctx *web.EventContext) (err error) {
v := ctx.R.Form.Get(field.Name)
if v == "" {
return nil
}
t, err := time.ParseInLocation("2006-01-02 15:04", v, time.Local)
if err != nil {
return err
}
obj.(Scheduler).SetScheduleTime(&t)
return nil
})
}
return jb
}
func (jb *JobBuilder) GetResourceBuilder() *presets.ModelBuilder {
return jb.rmb
}
func (jb *JobBuilder) Handler(h JobHandler) *JobBuilder {
jb.h = h
return jb
}
func (jb *JobBuilder) ContextHandler(handler func(*web.EventContext) map[string]interface{}) *JobBuilder {
jb.contextHandler = handler
return jb
}
func (jb *JobBuilder) newResourceObject() interface{} {
if jb.r == nil {
return nil
}
return reflect.New(reflect.TypeOf(jb.r).Elem()).Interface()
}
func (jb *JobBuilder) unmarshalForm(ctx *web.EventContext) (args interface{}, vErr web.ValidationErrors) {
args = jb.newResourceObject()
if args != nil {
vErr = jb.rmb.Editing().RunSetterFunc(ctx, false, args)
}
return args, vErr
}
func (jb *JobBuilder) parseArgs(in string) (args interface{}, err error) {
if jb.r == nil {
return nil, nil
}
args = jb.newResourceObject()
err = json.Unmarshal([]byte(in), args)
if err != nil {
return nil, err
}
return args, nil
}
func getModelQorJobInstance(db *gorm.DB, qorJobID uint) (*QorJobInstance, error) {
var insts []*QorJobInstance
err := db.Where("qor_job_id = ?", qorJobID).
Order("created_at desc").
Limit(1).
Find(&insts).
Error
if err != nil {
return nil, err
}
if len(insts) == 0 {
return nil, errors.New("no qor job instance")
}
return insts[0], nil
}
func (jb *JobBuilder) getJobInstance(qorJobID uint) (*QorJobInstance, error) {
inst, err := getModelQorJobInstance(jb.b.db, qorJobID)
if err != nil {
return nil, err
}
inst.jb = jb
return inst, nil
}
func (jb *JobBuilder) newJobInstance(
r *http.Request,
qorJobID uint,
qorJobName string,
args interface{},
context interface{},
) (*QorJobInstance, error) {
var mArgs string
if v, ok := args.(string); ok {
mArgs = v
} else {
bArgs, err := json.Marshal(args)
if err != nil {
return nil, err
}
mArgs = string(bArgs)
}
var ctx string
if v, ok := context.(string); ok {
ctx = v
} else {
bArgs, err := json.Marshal(context)
if err != nil {
return nil, err
}
ctx = string(bArgs)
}
inst := QorJobInstance{
QorJobID: qorJobID,
Args: mArgs,
Context: ctx,
Job: qorJobName,
Status: JobStatusNew,
}
if jb.b.getCurrentUserIDFunc != nil {
inst.Operator = jb.b.getCurrentUserIDFunc(r)
}
err := jb.b.db.Create(&inst).Error
if err != nil {
return nil, err
}
return jb.getJobInstance(qorJobID)
}
type QueJobInterface interface {
QorJobInterface
GetStatus() string
FetchAndSetStatus() (string, error)
SetStatus(string) error
StartRefresh()
StopRefresh()
GetHandler() JobHandler
}
type JobInfo struct {
JobID string
JobName string
Operator string
Argument interface{}
Context map[string]interface{}
}
// for job handler
type QorJobInterface interface {
GetJobInfo() (*JobInfo, error)
SetProgress(uint) error
SetProgressText(string) error
AddLog(string) error
AddLogf(format string, a ...interface{}) error
}
var _ QueJobInterface = (*QorJobInstance)(nil)
func (job *QorJobInstance) GetJobInfo() (ji *JobInfo, err error) {
arg, err := job.getArgument()
if err != nil {
return
}
context, err := job.getContext()
if err != nil {
return
}
return &JobInfo{
JobID: fmt.Sprint(job.QorJobID),
JobName: job.Job,
Operator: job.Operator,
Argument: arg,
Context: context,
}, nil
}
func (job *QorJobInstance) GetStatus() string {
return job.Status
}
func (job *QorJobInstance) FetchAndSetStatus() (string, error) {
var status string
{
db, err := job.jb.b.db.DB()
if err != nil {
return job.Status, err
}
err = db.QueryRow("select status from qor_job_instances where id = $1", job.ID).Scan(&status)
if err != nil {
return job.Status, err
}
if status == "" {
return job.Status, errors.New("failed to fetch qor_job_instance status")
}
}
if job.Status != status {
err := job.SetStatus(status)
if err != nil {
return job.Status, err
}
}
return job.Status, nil
}
func (job *QorJobInstance) SetStatus(status string) error {
job.mutex.Lock()
defer job.mutex.Unlock()
job.Status = status
if status == JobStatusDone {
job.Progress = 100
}
if job.shouldCallSave() {
return job.callSave()
}
return nil
}
func (job *QorJobInstance) SetProgress(progress uint) error {
job.mutex.Lock()
defer job.mutex.Unlock()
if progress > 100 {
progress = 100
}
job.Progress = progress
if job.shouldCallSave() {
return job.callSave()
}
return nil
}
func (job *QorJobInstance) SetProgressText(s string) error {
job.mutex.Lock()
defer job.mutex.Unlock()
job.ProgressText = s
if job.shouldCallSave() {
return job.callSave()
}
return nil
}
func (job *QorJobInstance) AddLog(log string) error {
if err := job.jb.b.db.Create(&QorJobLog{
QorJobInstanceID: job.ID,
Log: log,
}).Error; err != nil {
return err
}
return nil
}
func (job *QorJobInstance) AddLogf(format string, a ...interface{}) error {
return job.AddLog(fmt.Sprintf(format, a...))
}
func (job *QorJobInstance) StartRefresh() {
job.mutex.Lock()
defer job.mutex.Unlock()
if !job.inRefresh {
job.inRefresh = true
job.stopRefresh = false
go func() {
job.refresh()
}()
}
}
func (job *QorJobInstance) StopRefresh() {
job.mutex.Lock()
defer job.mutex.Unlock()
err := job.callSave()
if err != nil {
log.Println(err)
}
job.stopRefresh = true
}
func (job *QorJobInstance) GetHandler() JobHandler {
return job.jb.h
}
func (job *QorJobInstance) getArgument() (interface{}, error) {
return job.jb.parseArgs(job.Args)
}
func (job *QorJobInstance) getContext() (map[string]interface{}, error) {
var context = make(map[string]interface{})
err := json.Unmarshal([]byte(job.Context), &context)
return context, err
}
func (job *QorJobInstance) shouldCallSave() bool {
return !job.inRefresh || job.stopRefresh
}
func (job *QorJobInstance) callSave() error {
err := job.jb.b.setStatus(job.QorJobID, job.Status)
if err != nil {
return err
}
return job.jb.b.db.Save(job).Error
}
func (job *QorJobInstance) refresh() {
job.mutex.Lock()
defer job.mutex.Unlock()
err := job.callSave()
if err != nil {
log.Println(err)
}
if job.stopRefresh {
job.inRefresh = false
job.stopRefresh = false
} else {
time.AfterFunc(5*time.Second, job.refresh)
}
}