chirpnest/job.go
2019-07-31 14:36:53 +08:00

636 lines
17 KiB
Go

package main
import (
"archive/zip"
"bytes"
"encoding/json"
"fmt"
"io/ioutil"
"log"
"net/http"
"strconv"
"strings"
"time"
tb "gopkg.in/tucnak/telebot.v2"
)
func createJob(jobTypeID int32, priority int32, userID64 int64, schedule time.Time, payload []byte) (int64, error) {
stmt, err := db.Prepare(`INSERT INTO obj (obj_type_id, obj_sub_type_id)
VALUES (? , ?);`)
logOnError(err, "createJob : prepare insert obj")
if err != nil {
return 0, err
}
defer stmt.Close()
res, err := stmt.Exec(objTypeJob, jobTypeID)
s := fmt.Sprintf("createJob, insert obj(%d, %d)", objTypeJob, jobTypeID)
logOnError(err, s)
if err != nil {
return 0, err
}
objId, err := res.LastInsertId()
logOnError(err, "createJob : get last insert Id")
if err != nil {
return 0, err
}
stmt, err = db.Prepare(`INSERT INTO obj_job (obj_id, priority, user_id, status, seq_nr, schedule, is_done, in_work, inserted, pulled, started, ended, payload)
VALUES (?, ?, ?, ?, NULL, ?, 0, 0, ?, NULL, NULL, NULL, ?);`)
logOnError(err, "createJob : prepare insert obj_job")
if err != nil {
return 0, err
}
defer stmt.Close()
_, err = stmt.Exec(objId, priority, userID64, objJobStatusNew, schedule.UTC(), time.Now().UTC(), payload)
logOnError(err, "createJob : insert obj_job")
if err != nil {
return 0, err
}
return objId, nil
}
func setJobDone(jobId int64) error {
stmt, err := db.Prepare(`UPDATE obj_job j SET j.is_done = 1, j.in_work = 0, j.ended = ? WHERE j.obj_id = ?;`)
logOnError(err, "setJobDone : prepare update obj_job")
if err != nil {
return err
}
defer stmt.Close()
_, err = stmt.Exec(time.Now().UTC(), jobId)
s := fmt.Sprintf("setJobDone, update obj_job(%d)", jobId)
logOnError(err, s)
if err != nil {
return err
}
return nil
}
func setJobStart(jobId int64) error {
stmt, err := db.Prepare(`UPDATE obj_job j SET j.started = coalesce(j.started, ?) WHERE j.obj_id = ?;`)
logOnError(err, "setJobStart : prepare update obj_job")
if err != nil {
return err
}
defer stmt.Close()
_, err = stmt.Exec(time.Now().UTC(), jobId)
s := fmt.Sprintf("setJobStart, update obj_job(%d)", jobId)
logOnError(err, s)
if err != nil {
return err
}
return nil
}
func rescheduleJob(jobID64 int64, status int32, schedule time.Time) error {
stmt, err := db.Prepare(`UPDATE obj_job j SET j.is_done = 0, j.in_work = 0, j.schedule = ?, j.status = ? WHERE j.obj_id = ?;`)
logOnError(err, "rescheduleJob : prepare update obj_job")
if err != nil {
return err
}
defer stmt.Close()
_, err = stmt.Exec(schedule.UTC(), status, jobID64)
s := fmt.Sprintf("rescheduleJob, update obj_job(%d)", jobID64)
logOnError(err, s)
if err != nil {
return err
}
return nil
}
func loadCurrentJobs() ([]Job, error) {
var (
objId int64
jobTypeId int32
userID64 int64
status int32
payload []byte
jobs []Job
)
t := time.Now().UTC()
r := RndInt64()
_, err := db.Exec("UPDATE obj_job j SET j.pulled = ?, j.in_work = 1, j.seq_nr = ? WHERE j.is_done = 0 AND j.in_work = 0 AND j.schedule <= ? ORDER BY j.priority ASC, j.obj_id ASC LIMIT ?;", t, r, t, SQLJobSliceSize)
logOnError(err, "loadCurrentJobs : update intial rows")
stmt, err := db.Prepare("SELECT o.id, o.obj_sub_type_id, j.status, j.user_id, j.payload FROM obj_job j, obj o WHERE j.obj_id = o.id AND j.is_done = 0 AND j.in_work = 1 AND j.seq_nr = ? ORDER BY j.priority ASC, j.obj_id ASC;")
logOnError(err, "loadCurrentJobs : prepare select statement")
rows, err := stmt.Query(r)
// rows, err := stmt.Query(time.Now())
logOnError(err, "loadCurrentJobs : query select statement")
for rows.Next() {
err = rows.Scan(&objId, &jobTypeId, &status, &userID64, &payload)
logOnError(err, "loadCurrentJobs : scan query rows")
job := Job{
ID64: objId,
JobTypeID: jobTypeId,
Status: status,
UserID64: userID64,
Payload: payload,
}
jobs = append(jobs, job)
}
err = rows.Err()
logOnError(err, "loadCurrentJobs : scan end rows")
rows.Close()
err = stmt.Close()
logOnError(err, "loadCurrentJobs : close select statement")
return jobs, nil
}
func jobRescan(j Job) {
var p JobPayloadRescanMsg
err := setJobStart(j.ID64)
logOnError(err, "jobRescan : setJobStart")
err = json.Unmarshal(j.Payload, &p)
logOnError(err, "jobRescan : Unmarshal payload")
start := time.Now()
milestone := time.Now()
ids := getSQLListID64(p.Query)
if len(ids) > 1 {
txt := fmt.Sprintf("Rescanning %d messages.", len(ids))
m := TGCommand{
Type: commandReplyMsg,
Text: txt,
FromMsgID64: p.MsgID64,
FromChatID64: p.ChatID64,
}
TGCmdQueue <- m
i := 0
for _, id := range ids {
SQLMsgIdentifyQueue <- id
i = i + 1
if time.Now().After(milestone.Add(1 * time.Minute)) {
//txt := fmt.Sprintf("Rescanned %d/%d messages.", i, len(ids))
m = TGCommand{
Type: commandReplyMsg,
Text: fmt.Sprintf("Rescanned %d/%d messages.", i, len(ids)),
FromMsgID64: p.MsgID64,
FromChatID64: p.ChatID64,
}
TGCmdQueue <- m
milestone = time.Now()
}
}
r := JobPayloadSetDone{
JobID64: j.ID64,
MsgID64: p.MsgID64,
ChatID64: p.ChatID64,
Text: fmt.Sprintf("%d messages processed in %s.", len(ids), time.Since(start)),
}
b, _ := json.Marshal(r)
_, err := createJob(objSubTypeJobSetJobDone, objJobPriorityRescanAllMsg, j.UserID64, time.Now().UTC(), b)
logOnError(err, "jobRescan : createJob(objSubTypeJobSetJobDone)")
} else if len(ids) == 1 {
SQLMsgIdentifyQueue <- ids[0]
err = setJobDone(j.ID64)
logOnError(err, "jobRescan : setJobDone(1)")
if p.MsgID64 != 0 || p.ChatID64 != 0 {
m := TGCommand{
Type: commandReplyMsg,
Text: "One message processed.",
FromMsgID64: p.MsgID64,
FromChatID64: p.ChatID64,
}
TGCmdQueue <- m
}
} else {
err = setJobDone(j.ID64)
logOnError(err, "jobRescan : setJobDone(0)")
if p.MsgID64 != 0 || p.ChatID64 != 0 {
m := TGCommand{
Type: commandReplyMsg,
Text: "No message processed.",
FromMsgID64: p.MsgID64,
FromChatID64: p.ChatID64,
}
TGCmdQueue <- m
}
}
return
}
func jobSetDone(j Job) {
var r JobPayloadSetDone
err := setJobStart(j.ID64)
logOnError(err, "jobSetDone : setJobStart")
err = json.Unmarshal(j.Payload, &r)
logOnError(err, "jobSetDone : Unmarshal payload")
err = setJobDone(r.JobID64)
logOnError(err, "jobSetDone : setJobDone(child)")
err = setJobDone(j.ID64)
logOnError(err, "jobSetDone : setJobDone")
m := TGCommand{
Type: commandReplyMsg,
Text: r.Text,
FromMsgID64: r.MsgID64,
FromChatID64: r.ChatID64,
}
TGCmdQueue <- m
return
}
func jobPillage(j Job) {
var r JobPayloadPillage
err := setJobStart(j.ID64)
logOnError(err, "jobPillage : setJobStart")
err = json.Unmarshal(j.Payload, &r)
logOnError(err, "jobPillage : Unmarshal payload")
// check if we have a acknoledgment of go or a timeout within 3m30 of the PillageInc from the Job
ids := getSQLListID64(` select ox.id
from obj ox
,obj_msg omx
,obj op
,obj_msg omp
,obj_job oj
where oj.obj_id = ` + strconv.FormatInt(j.ID64, 10) + `
and omx.user_id = oj.user_id
and omx.sender_user_id = ` + strconv.Itoa(userID64ChtWrsBot) + `
and omx.obj_id = ox.id
and ox.obj_sub_type_id in (` + strconv.Itoa(objSubTypeMessagePillageGo) +
`, ` + strconv.Itoa(objSubTypeMessagePillageTimeout) +
`, ` + strconv.Itoa(objSubTypeMessagePillageLoss) +
`, ` + strconv.Itoa(objSubTypeMessagePillageWin) + `)
and op.id = ` + strconv.FormatInt(r.ObjID64, 10) + `
and omp.obj_id = op.id
and omx.date between omp.date and addtime(omp.date, '0 0:3:30.000000')
order by case ox.obj_sub_type_id when ` + strconv.Itoa(objSubTypeMessagePillageWin) + ` then 0
when ` + strconv.Itoa(objSubTypeMessagePillageLoss) + ` then 1
when ` + strconv.Itoa(objSubTypeMessagePillageTimeout) + ` then 2
when ` + strconv.Itoa(objSubTypeMessagePillageGo) + ` then 3
else 4 end asc
limit 1;`)
if len(ids) > 1 { // issue there ?
s := TGCommand{
Type: commandSendMsg,
Text: fmt.Sprintf("More than one outcome for pillage #%d", r.ObjID64),
ToUserID64: j.UserID64,
}
TGCmdQueue <- s
} else if len(ids) == 1 { // we've got a match, job is done whether we prevented the pillage or not
m, err := getObjMsg(ids[0])
logOnError(err, "jobPillage : getMsg(objSubTypeMessagePillageGo, objSubTypeMessagePillageTimeout)")
if err == nil {
if m.Date.Add(60 * time.Second).After(time.Now().UTC()) {
msgTypeID64, err := getObjSubTypeId(ids[0])
logOnError(err, "jobPillage : getObjSubTypeId")
if err == nil {
if msgTypeID64 == objSubTypeMessagePillageGo {
s := TGCommand{
Type: commandSendMsg,
Text: fmt.Sprintf("We avoided a pillage (%s)", m.Date.Format(time.RFC3339)),
ToUserID64: j.UserID64,
}
TGCmdQueue <- s
} else if msgTypeID64 == objSubTypeMessagePillageWin {
s := TGCommand{
Type: commandSendMsg,
Text: fmt.Sprintf("We avoided a pillage (%s))", m.Date.Format(time.RFC3339)),
ToUserID64: j.UserID64,
}
TGCmdQueue <- s
} else if msgTypeID64 == objSubTypeMessagePillageLoss {
s := TGCommand{
Type: commandSendMsg,
Text: fmt.Sprintf("We got pillaged (%s)", m.Date.Format(time.RFC3339)),
ToUserID64: j.UserID64,
}
TGCmdQueue <- s
} else if msgTypeID64 == objSubTypeMessagePillageTimeout {
s := TGCommand{
Type: commandSendMsg,
Text: fmt.Sprintf("We got pillaged (%s)", m.Date.Format(time.RFC3339)),
ToUserID64: j.UserID64,
}
TGCmdQueue <- s
} else {
s := TGCommand{
Type: commandSendMsg,
Text: fmt.Sprintf("We don't know what happened (%s)", m.Date.Format(time.RFC3339)),
ToUserID64: j.UserID64,
}
TGCmdQueue <- s
}
}
}
}
err = setJobDone(j.ID64)
logOnError(err, "jobSetDone : setJobDone")
return
}
// is the job outdated now ?
if time.Now().After(r.Date.Add(time.Minute*3 + time.Second*30)) {
s := TGCommand{
Type: commandSendMsg,
Text: fmt.Sprintf("Pillage interception expired"),
ToUserID64: j.UserID64,
}
TGCmdQueue <- s
return
}
s := TGCommand{
Type: commandSendMsg,
Text: fmt.Sprintf("No outcome for the pillage yet"),
ToUserID64: j.UserID64,
}
TGCmdQueue <- s
//no outcome yet, have we sent a "/go" in the last 30 sec ?
ids = getSQLListID64(` select ox.id
from obj ox
,obj_msg omx
,obj_job oj
where oj.obj_id = ` + strconv.FormatInt(j.ID64, 10) + `
and omx.user_id = oj.user_id
and omx.sender_user_id = oj.user_id
and omx.obj_id = ox.id
and ox.obj_sub_type_id =` + strconv.Itoa(objSubTypeMessageGo) + `
and omx.date between addtime(oj.schedule, '-30') and oj.schedule;`)
if len(ids) > 0 { // we did, so we reschedule the job to check the outcome and wait
m, err := getObjMsg(ids[0])
logOnError(err, "jobPillage : getMsg(objSubTypeMessageGo)")
if err == nil {
s := TGCommand{
Type: commandSendMsg,
Text: fmt.Sprintf("We started intercepting the pillage (%s)", m.Date.Format(time.RFC3339)),
ToUserID64: j.UserID64,
}
TGCmdQueue <- s
}
err = rescheduleJob(j.ID64, j.Status+1, time.Now().Add(30*time.Second).UTC())
logOnError(err, "jobPillage : rescheduleJob(objSubTypeMessageGo)")
} else { //no /go in the last 30 sec so we go ahead, send one and reschedule to check again in 25sec
clientSendCWMsg(j.UserID64, "/go")
err = rescheduleJob(j.ID64, j.Status+1, time.Now().Add(30*time.Second).UTC())
logOnError(err, "jobPillage : rescheduleJob")
}
return
}
func jobMsgRefresh(j Job) {
var p JobPayloadMsgRefresh
// identify whether the message has been properly refreshed ? create new job ? reschedule same job ?
err := setJobStart(j.ID64)
logOnError(err, "jobMsgRefresh : setJobStart")
err = json.Unmarshal(j.Payload, &p)
logOnError(err, "jobMsgRefresh : Unmarshal payload")
m, err := getObjMsg(p.ObjID64)
if err != nil && strings.Compare(err.Error(), `sql: no rows in result set`) == 0 {
err = setJobDone(j.ID64)
logOnError(err, "joMsgClient : setJobDone")
return
} else {
logOnError(err, "jobMsgRefresh : getObjMsg")
err = setJobDone(j.ID64)
logOnError(err, "joMsgClient : setJobDone")
return
}
err = delObj(p.ObjID64)
logOnError(err, "jobMsgRefresh : delObj")
clientRefreshCWMsg(m.UserID64, m.ChatID64, m.ID64)
err = setJobDone(j.ID64)
logOnError(err, "joMsgClient : setJobDone")
return
}
func jobMsgClient(j Job) {
var p JobPayloadMsgClient
err := setJobStart(j.ID64)
logOnError(err, "jobMsgClient : setJobStart")
err = json.Unmarshal(j.Payload, &p)
logOnError(err, "jobMsgClient : Unmarshal payload")
if err == nil {
clientSendCWMsg(j.UserID64, p.Text)
m := TGCommand{
Type: commandReplyMsg,
Text: "Message sent.",
FromMsgID64: p.MsgID64,
FromChatID64: p.ChatID64,
}
TGCmdQueue <- m
}
err = setJobDone(j.ID64)
logOnError(err, "joMsgClient : setJobDone")
return
}
func jobBackupExport(j Job) {
var p JobPayloadBackupExport
err := setJobStart(j.ID64)
logOnError(err, "jobBackupExport : setJobStart")
err = json.Unmarshal(j.Payload, &p)
logOnError(err, "jobBackupExport : Unmarshal payload")
bkp := DataBackup{}
start := time.Now()
milestone := time.Now()
s := new([]ChatWarsMessage)
msgs := *s
ids := getSQLListID64(`SELECT om.obj_id id FROM obj_msg om;`)
txt := fmt.Sprintf("Backing up %d messages.", len(ids))
m := TGCommand{
Type: commandReplyMsg,
Text: txt,
FromMsgID64: p.MsgID64,
FromChatID64: p.ChatID64,
}
TGCmdQueue <- m
i := 0
for _, id := range ids {
msg, err := getObjMsg(id)
logOnError(err, "jobBackupExport : getMsg")
if err == nil {
msgs = append(msgs, *msg)
}
i = i + 1
if time.Now().After(milestone.Add(1 * time.Minute)) {
txt := fmt.Sprintf("Exported %d/%d messages.", i, len(ids))
m = TGCommand{
Type: commandReplyMsg,
Text: txt,
FromMsgID64: p.MsgID64,
FromChatID64: p.ChatID64,
}
TGCmdQueue <- m
milestone = time.Now()
}
}
bkp.Messages = msgs
b, err := json.Marshal(bkp)
logOnError(err, "jobBackupExport : Marshal")
m = TGCommand{
Type: commandReplyMsg,
Text: `Compressing archive`,
FromMsgID64: p.MsgID64,
FromChatID64: p.ChatID64,
}
TGCmdQueue <- m
zbuf := new(bytes.Buffer)
zw := zip.NewWriter(zbuf)
zf, err := zw.Create(`backup.json`)
logOnError(err, "jobBackupExport : Create")
_, err = zf.Write(b)
logOnError(err, "jobBackupExport : Write")
err = zw.Close()
logOnError(err, "jobBackupExport : Close")
d := tb.Document{}
d.File = tb.FromReader(bytes.NewReader(zbuf.Bytes()))
d.FileName = fmt.Sprintf("%s.backup.zip", start.Format("20060102150405"))
d.Caption = d.FileName
d.MIME = `application/zip`
m = TGCommand{
Type: commandReplyMsg,
Text: `Export done.`,
FromMsgID64: p.MsgID64,
FromChatID64: p.ChatID64,
}
TGCmdQueue <- m
m = TGCommand{
Type: commandSendDocument,
Document: d,
ToChatID64: p.ChatID64,
}
TGCmdQueue <- m
err = setJobDone(j.ID64)
logOnError(err, "jobBackupExport : setJobDone")
return
}
func jobBackupImport(j Job) {
var p JobPayloadBackupImport
err := setJobStart(j.ID64)
logOnError(err, "jobBackupImport : setJobStart")
err = json.Unmarshal(j.Payload, &p)
logOnError(err, "jobBackupImport : Unmarshal payload")
resp, err := http.Get(p.URL)
logOnError(err, "jobBackupImport : Get")
defer resp.Body.Close()
buf := new(bytes.Buffer)
buf.ReadFrom(resp.Body)
m := TGCommand{
Type: commandReplyMsg,
Text: "File downloaded.",
FromMsgID64: p.MsgID64,
FromChatID64: p.ChatID64,
}
TGCmdQueue <- m
z := buf.Bytes()
r := bytes.NewReader(z)
zr, err := zip.NewReader(r, int64(len(z)))
for _, f := range zr.File {
if strings.Compare(f.Name, "backup.json") == 0 {
rc, err := f.Open()
logOnError(err, "jobBackupImport : Open")
if err != nil {
return
}
data, err := ioutil.ReadAll(rc)
logOnError(err, "jobBackupImport : ReadAll")
if err != nil {
return
}
log.Printf("jobBackupImport : %d uncompressed bytes.\n", len(data))
rc.Close()
bkp := DataBackup{}
err = json.Unmarshal(data, &bkp)
logOnError(err, "jobBackupImport : Unmarshal")
if err != nil {
return
}
for _, msg := range bkp.Messages {
MQCWMsgQueue <- msg
}
m := TGCommand{
Type: commandReplyMsg,
Text: "Backup restored.",
FromMsgID64: p.MsgID64,
FromChatID64: p.ChatID64,
}
TGCmdQueue <- m
err = setJobDone(j.ID64)
logOnError(err, "jobBackupImport : setJobDone")
return
}
}
m = TGCommand{
Type: commandReplyMsg,
Text: "Not backup file found in archive.",
FromMsgID64: p.MsgID64,
FromChatID64: p.ChatID64,
}
TGCmdQueue <- m
err = setJobDone(j.ID64)
logOnError(err, "jobBackupImport : setJobDone")
return
}