hswro-alarm-bot/sender_worker.go

package main

import (
	"html/template"
	"log"
	"sync"
)

type Sender interface {
	Send(msg GenericMessage, tpl *template.Template) error
}

type Sleeper interface {
	Sleep(ch chan<- interface{})
}

type ChatId interface {
	GetTgIds() *[]int64
}

type TgChatId struct {
	tgChatId int64
}

func (self TgChatId) GetTgIds() *[]int64 {
	return &[]int64{self.tgChatId}
}

func Consume(events <-chan GenericMessage) {
	go func() {
		for range events {
		}
	}()
}

func SendToTg(events <-chan GenericMessage, s Sender, wg *sync.WaitGroup, logger *log.Logger, tpl *template.Template) <-chan GenericMessage {
	returnEvents := make(chan GenericMessage)

	go func() {
		wg.Add(1)
		defer wg.Done()
		for e := range events {
			returnEvents <- e
			err := s.Send(e, tpl)
			if err != nil {
				// TODO: handle it better
				panic(err)
			}
		}
		close(returnEvents)
	}()

	return returnEvents
}