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worker.go
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worker.go
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package main
import (
"context"
"fmt"
"log"
"time"
"github.com/iwataka/mybot/core"
"github.com/iwataka/mybot/data"
"github.com/iwataka/mybot/models"
"github.com/iwataka/mybot/runner"
"github.com/iwataka/mybot/utils"
"github.com/iwataka/mybot/worker"
)
type workerMessageLogger struct {
workerID string
logger *log.Logger
errLogger *log.Logger
}
func (h workerMessageLogger) Handle(out interface{}) {
switch out.(type) {
case error:
h.errLogger.Printf("Worker[%s]: %#v\n", h.workerID, out)
case worker.WorkerStatus:
h.logger.Printf("Worker %s: %s\n", out, h.workerID)
case fmt.Stringer:
h.logger.Printf("Worker[%s]: %s\n", h.workerID, out)
}
}
func activateWorkerAndStart(
w models.Worker,
whandler worker.WorkerManagerOutHandler,
bufSize int,
layers ...worker.WorkerChannelLayer,
) *worker.WorkerManager {
wm := worker.NewWorkerManager(w, bufSize, layers...)
go wm.HandleOutput(whandler)
wm.Send(worker.StartSignal)
return wm
}
type twitterDMWorker struct {
twitterAPI *core.TwitterAPI
id string
listener *core.TwitterDMListener
}
func newTwitterDMWorker(twitterAPI *core.TwitterAPI, id string) *twitterDMWorker {
return &twitterDMWorker{twitterAPI, id, nil}
}
func (w *twitterDMWorker) Start(ctx context.Context, outChan chan<- interface{}) error {
if err := runner.TwitterAPIIsAvailable(w.twitterAPI); err != nil {
return utils.WithStack(err)
}
var err error
w.listener, err = w.twitterAPI.ListenMyself(nil)
if err != nil {
return utils.WithStack(err)
}
defer w.listener.Stop()
if err := w.listener.Listen(ctx, outChan); err != nil {
return utils.WithStack(err)
}
return nil
}
func (w *twitterDMWorker) Name() string {
return fmt.Sprintf("%s Twitter DM Worker", w.id)
}
type twitterUserWorker struct {
twitterAPI *core.TwitterAPI
slackAPI *core.SlackAPI
visionAPI core.VisionMatcher
languageAPI core.LanguageMatcher
cache data.Cache
id string
listener *core.TwitterUserListener
}
func newTwitterUserWorker(
twitterAPI *core.TwitterAPI,
slackAPI *core.SlackAPI,
visionAPI core.VisionMatcher,
languageAPI core.LanguageMatcher,
cache data.Cache,
id string,
) *twitterUserWorker {
return &twitterUserWorker{twitterAPI, slackAPI, visionAPI, languageAPI, cache, id, nil}
}
func (w *twitterUserWorker) Start(ctx context.Context, outChan chan<- interface{}) error {
if err := runner.TwitterAPIIsAvailable(w.twitterAPI); err != nil {
return utils.WithStack(err)
}
var err error
w.listener, err = w.twitterAPI.ListenUsers(nil, w.visionAPI, w.languageAPI, w.slackAPI, w.cache)
if err != nil {
return utils.WithStack(err)
}
defer w.listener.Stop()
if err := w.listener.Listen(ctx, outChan); err != nil {
return utils.WithStack(err)
}
return nil
}
func (w *twitterUserWorker) Name() string {
return fmt.Sprintf("%s Twitter User Worker", w.id)
}
type twitterPeriodicWorker struct {
runner runner.BatchRunner
cache utils.Savable
config core.Config
id string
}
func newTwitterPeriodicWorker(
runner runner.BatchRunner,
cache utils.Savable,
config core.Config,
id string,
) *twitterPeriodicWorker {
return &twitterPeriodicWorker{runner, cache, config, id}
}
func (w *twitterPeriodicWorker) Start(ctx context.Context, outChan chan<- interface{}) error {
if err := w.runner.IsAvailable(); err != nil {
return utils.WithStack(err)
}
d, err := time.ParseDuration(w.config.GetPollingDuration())
if err != nil {
return utils.WithStack(err)
}
ticker := time.NewTicker(d)
for {
select {
case <-ticker.C:
outChan <- core.NewReceivedEvent(core.TwitterEventType, "periodic", nil)
processedTweets, processedActions, err := w.runner.Run()
if err != nil {
return utils.WithStack(err)
}
for i := 0; i < len(processedTweets); i++ {
outChan <- core.NewActionEvent(processedActions[i], processedTweets[i])
}
if err := w.cache.Save(); err != nil {
return utils.WithStack(err)
}
case <-ctx.Done():
return nil
}
}
}
func (w *twitterPeriodicWorker) Name() string {
return fmt.Sprintf("%s Twitter Periodic Worker", w.id)
}
type slackWorker struct {
slackAPI *core.SlackAPI
twitterAPI *core.TwitterAPI
visionAPI core.VisionMatcher
languageAPI core.LanguageMatcher
id string
listener *core.SlackListener
}
func newSlackWorker(
slackAPI *core.SlackAPI,
twitterAPI *core.TwitterAPI,
visionAPI core.VisionMatcher,
languageAPI core.LanguageMatcher,
id string,
) *slackWorker {
return &slackWorker{slackAPI, twitterAPI, visionAPI, languageAPI, id, nil}
}
func (w *slackWorker) Start(ctx context.Context, outChan chan<- interface{}) error {
if w.slackAPI == nil {
return fmt.Errorf("Slack API is nil")
}
if !w.slackAPI.Enabled() {
return fmt.Errorf("Slack API is disabled")
}
w.listener = w.slackAPI.Listen(w.visionAPI, w.languageAPI, w.twitterAPI)
if err := w.listener.Start(ctx, outChan); err != nil {
return utils.WithStack(err)
}
return nil
}
func (w *slackWorker) Name() string {
return fmt.Sprintf("%s Slack Worker", w.id)
}